Patent Grant
9407685
This invention relates to systems and methods for registering devices at remote sites, and more particularly, this invention relates to systems and methods for automatically registering devices at remote sites. The remote sites may be accessed by a user to control the registered devices.
Much of today's technology involves the use of equipment that is controlled from a remote location. Typically, before such equipment can be used, the equipment must first be registered at a remote location.
For example, cellular phones must be registered with a cellular phone service provider before being used. Users may purchase cellular phones from stores, but unless the phones are activated by the cellular service provider, they are useless. The activation involves the user or a retailer providing particular information about the user and his or her cellular phone to a cellular service provider. Users typically register cellular phones by calling the service provider and providing registration information using a separate telephone or by submitting to the service provider electronic forms (e.g., using a modem-to-modem connection). In either case, the probability for error is high given the human interaction involved. Furthermore, much time must be expended in these procedures.
It is therefore an object of the present invention to provide improved systems and methods for remotely registering devices.
This and other objects of the invention are accomplished in accordance with the principles of the present invention by providing an automatic registration system having monitoring modules that communicate with remote sites. Devices at one or more locations may interface with the monitoring modules.
One or more monitoring modules and their associated interfaced devices may be referred to herein as “installations.” Devices may include, for example, video cameras, still cameras, motion sensors, audible detectors, any suitable household appliances, or any other suitable device. Monitoring modules may be stand-alone devices, software applications, any suitable combination of software and hardware, or any other suitable architecture. Monitoring modules may communicate with one or more remote sites via a suitable communications network using any suitable communications protocol. The monitoring modules and remote sites may use a registration protocol to transmit registration information. The registration information may get stored in a database at the remote site. The registration protocol may be a subset of the communications protocol used between the monitoring modules and the remote sites.
An installation, any of its components, or both may be associated with a particular user account. The account holder may be any suitable entity, such as, for example, a person, a corporate entity, a family, a governmental entity, any suitable organization, or any other suitable entity capable of maintaining an account.
Association of an installation, installation elements, or both with corresponding user accounts may take place at the remote site. The remote site may make the association using any suitable database construct that may serve to cross-reference the installation, installation elements, or both with user accounts. For example, any suitable relational database schema with suitable keys may be used.
Monitoring modules may be assigned or may generate a globally unique monitoring module identification, corresponding password, model identification code, and transaction identification for use during the registration process. The monitoring module may automatically detect any devices that are interfaced with it. The monitoring module may obtain from the device any necessary or useful data in registering the devices as well as itself. The identification information and device information may be communicated to the remote site via the communications network.
Remote sites may include any suitable computer-based server or combination of servers such as, for example, web servers and database servers. Monitoring modules at installations may exchange registration protocol messages with remote sites using any protocol suitable to the chosen communications network. In an Internet-based approach, for example, installations and remote sites may exchange registration messages using HTTP (which may be processed by the web server at the remote site) over TCP/IP (e.g., IP version 6, IP version 4, etc.) over a communications network. Servers such as a web server and a database server, may interact through the use of API functions.
The remote sites may validate received registration protocol messages. Where the registration messages contain no errors, or where errors are correctable by the remote site, the registration information contained therein may be stored in a database in the database server. A confirmation message may be communicated from the remote site to the installation that may include either an ACK code that denotes successful completion of the registration process or a NAK code that may denote an unsuccessful registration attempt.
Devices may be automatically detected by a monitoring module. Automatic detection may be implemented using any suitable approach. For example, the monitoring module may communicate a handshake signal to all of its interface ports. If the monitoring module receives a response, then a device may be detected at the port from which the response was received. In another suitable approach, a particular pin of the interface port may be used to denote whether power is being sent through the port (i.e., to power a device). If the value of the pin is high, for example, the monitoring module may deduce that a device is coupled to the monitoring module at that port. In another suitable approach, a user may proactively have the monitoring module detect a particular device. For example, the user may press a button on the device that may cause the device to send a communication to the monitoring module, thus alerting the monitoring module of the device's presence.
In one suitable embodiment of the present invention, virtual representations of devices may be registered. Virtual representation may be made up of resources, which may be, in turn, made up of components. Components may be used to indicate the state of a corresponding physical device component. Components may be used to change the state of a corresponding physical device component. Virtual representations of devices may be accessed by users who are authorized to access the virtual representations. These users may be those users that are associated with the user account with which the corresponding devices (of the virtual representations) are also associated.
New devices or monitoring modules may be added to a registered installation and automatically detected and registered by a new object discovery process. New object discovery may be conducted by registered monitoring modules, the remote site, or by any other suitable element of the automatic registration system. The new object discovery may be conducted on a continuous basis or on a periodic basis. If desired, the new object discovery need not be automatic, but may be instantiated by the user (e.g., through simple software or hardware manipulation).
Installation 12 and remote site 14 may communicate using any suitable communications. Communications may include, for example, commands, requests, messages, remote procedure calls (e.g., using a proxy-stub pair), or any other suitable client-server or peer-to-peer communication. Communications may also involve, for example, complex communications between application constructs running on installation 12 and remote site 14. Objects running on the client and server may, for example, communicate using an Object Request Broker (ORB). Transmitted information may, for example, be encapsulated as COM objects or Javabeans and persisted to files that are transmitted over a remote access link. In another suitable approach, access communications may include hypertext markup language (HTML) formatted markup language documents (e.g., web pages), that are exchanged between installation 12 and remote site 14 via ISP 23 and communications link 16. For example, communications may consist of a series of HTTP posts and responses in which the parameters for the transmissions may be sent as name/value pairs in the normal post method. In order to achieve the result of transmitting multiple commands in a single command string, numbered commands may be parsed out and executed at remote site 14. Remote site 14 may be responsible for parsing the command string into individual commands and executing each of those commands. In order to achieve this task of parsing the commands, remote site 14 may utilize a script language and interpreter such as Personal Home Page Tools (PHP) which is embedded within a Web page along with its Hypertext Markup Language (HTML). For example, before a page is sent to the requesting user, the Web server may call PHP to interpret and perform the operations called for. Other similar technologies may also be utilized such as JavaScript, Microsoft's VBScript, or any other applicable script interpreter. If desired, any other suitable client-server or peer-to-peer based approach may be used.
Installation 12 may be operated by a local user. Installation 12 may include one or more nodes. For purposes of illustration,
In one embodiment of the present invention, user node 18 may include a client device 22 that may be connected to communications network 16. In Internet-based approaches, such as, for example, as in the embodiment shown in
Client device 22 may communicate with ISP 23 or directly with communications network 16 using any suitable communications link. For example, the link may include a telephone dial-up link, digital subscriber lines (DSL), a cable modem link (e.g., a data over cable service interface specification (DOCSIS)), a satellite link, a computer network link (e.g., Ethernet link, T1 line, etc.) or any other suitable communications link or combination of communications links.
Remote site 14 may include one or more servers such as, for example, web server 46 and database server 48. Database server 48 may maintain database 58. In other suitable approaches, such as non-Internet based approaches, remote site 14 may include an application server and any other suitable server or combination of servers. As herein used, the term “server” is not limited to a distinct piece of computing hardware or storage hardware, but may also be a software application or a combination of hardware and software. For example, one computer may have software that enables the computer to act as both a web server and as a database server.
In some suitable approaches, remote site 14 may provide displays or display definitions to client device 22. In the Internet-based approach of
Software applications interfacing installation 12 with remote site 14 may be created using any suitable platform and/or software development tools. For example, Java 2 Enterprise Edition, Javabeans, component object model (COM) based technologies (e.g., ActiveX, object linking and embedding (OLE), etc.), Javascript, Visual Basic, C, C++, scripting languages, or any combination of these or other suitable development tools may be used in creating the software interface between installation 12 and remote site 14 (e.g., web-page interface). Any combination of these or other suitable development tools may be used in preparing any other software modules or applications for use in any other suitable facet of the present invention.
Remote site 14 may function as the master controller of the system shown in system 10. In addition, users may access the system shown in system 10 via any computer, monitoring module, or remote user access device linked to communications network 16. Remote user access devices (such as remote user access device 17 in
Monitoring modules 28 may serve as an interface between remote site 14 and at least one connected device 32. Monitoring modules 28 may, be any suitable hardware, software, or a combination thereof and may be included at any point within the system. For example, monitoring module 28 may be a software application running on client device 22 or a separate piece of hardware that may be connected to client device 22 (as shown at node 18) or partially implemented as software on client device 22 and a separate piece of hardware. In some embodiments, monitoring module 28 may be a stand-alone appliance (as shown at node 20) connected to communications network 16, operating separately and independently from client device 22. Each monitoring module may be shipped with a model identification code, or with the capacity to generate such a code, that may serve to identify each particular monitoring module's model type.
One or more monitoring modules may be installed at one or more locations. Monitoring modules may be installed by the user (or any other suitable person) by, for example, connecting the modules to client device 22 that may communicate with remote site 14 over communications network 16. The connection between the monitoring module and the client access device and between devices and the monitoring module may be in the form of a universal serial bus (USB) connection, parallel port connection, serial connection (e.g., RS-232), Firewire connection, any combination of these, or any other suitable type of connection. If desired, monitoring modules may be given the capability (e.g., processing hardware, communications equipment, etc.) to communicate, via communications network 16, without the use of a client access device. Monitoring modules may link attached devices or appliances (e.g., sensors, cameras, microwaves, refrigerators, etc.) with remote site 14 via communications network 16. One or more monitoring modules 28 may provide data from attached devices and appliances to remote site 14 via communications network 16. The term “device,” as defined herein, shall include any suitable device or appliance.
At least one device 32 may be interfaced with and controlled by each monitoring module 28. Connections between monitoring module 28 and the various devices 32 may be hardwired or wireless (e.g., using Bluetooth technology). Devices 32 may encompass any suitable device capable of being controlled or mediated by an external controller. Such devices may include, but are not limited to, a camera 34, a radio 36, a smoke or fire detector 38, a contact sensor 40, and a light switch 41. Although not illustrated, other suitable devices may include, for example, various audio input and output devices, various visual displays, washers/driers, microwave ovens, cooking ranges, car alarms, plant watering devices, sprinkler, thermostats, carbon monoxide sensors, humidistats, rain gauges, video cassette recorders, radio tuners, or any other suitable device and the like.
One or more notification devices, such as pager 43, may also be incorporated into the system. As illustrated in
System 10 provides users with opportunities to remotely control and monitor devices 32 using remote user access devices 17 via communications network 16. In the example of
In another suitable approach, users may access installation 12 using remote user access devices 17 without the use of remote site 14. For example, remote user access devices 17 may be used to communicate with monitoring modules 28 of installation 12 via communication network 16 and ISP 23. If desired, two-way communications may be implemented using this approach. Remote user access device may access installation 12 using, for example, special IP addresses assigned to a particular monitoring module, node, installation, or any other suitable element of the installation. The use of IP addresses is merely illustrative. Any other suitable addressing may be used to allow access to an installation from a remote used access device.
Devices 32 may be programmed at the installation in terms of how they respond to certain events (e.g., what does the camera do when the contact sensor is triggered?). Alternatively, devices 32 may be programmed from a remote location using remote user access device 17, for example. The programming may be stored in devices 32, monitoring modules 28, or at remote site 14.
The following examples of the uses of illustrative devices will illustrate the operation of the present invention. For example, contact sensor 40 of
As another example, system 10 may allow a user located at one node 18 to control a device at a second node 20. The user may contact web server 46 via, for example, Internet browser 26 of node 18 in order to access a database entry for light switch 41 of node 20. A virtual representation of the light switch 41 may be made available to the user by web server 46 and may be manipulated by the user to remotely change the state of light switch 41 and the connected lamp 42. For example, the system may allow the user to change the state of lamp 42 from being “off” to being “on” by, for example, manipulating the virtual light switch from web server 46 and a corresponding command would be placed in the queue of waiting commands on the server component.
Periodically, the controlling module or monitor 28 may poll remote site 14 looking for waiting commands, such as the change state command of light switch 41. Thereafter, the command may be transmitted to monitoring device 28 that would instruct the light switch-to change from the “off” state to the “on” state, thus turning on lamp 46. This change in state of lamp 46 may be viewed by an appropriately positioned camera, such as camera 34, which would be used to visually monitor the remote location 20 to determine whether the command had been completed successfully. If the command had not been successfully completed, then an error message may be communicated to the user, using for example, the means specified by the user's notification preferences or through any other suitable means of communicating information to the user. This is merely an illustrative approach for detecting a change is state of a device. In another suitable approach, lamp 46 may be in two-way communications with a corresponding device driver. The device driver may query the lamp to determine whether it was on after executing a “turn on” command. Any such suitable approach may be used for detecting a state in change of a device.
Referring now to
In one suitable embodiment, monitoring module 28 may be software made up of multiple dynamically loaded objects, or device descriptors 49, that may allow remote site 14 to interface with the devices 32. The dynamically loaded device descriptors 49 may act as device drivers for devices 32, translating, in both directions, monitoring, command, and control data exchanged between monitoring module 28 and remote site 14 via communications network 16. Each device descriptor 49 may also translate the signals received from monitoring module 28 into the specific electrical signals that are required to communicate with (both input and output) and control its associated device 32. Device descriptor 49 may be provided for each specific device 32 when, for example, different devices 32 have different interfaces and require specific sets of electrical signals for their monitor and control.
Device descriptors 49 may include, for example, a manufacturer identification, product identification, and driver version number to allow a device to be referenced correctly. Once a new device 32 has been detected and is to be integrated into the system, monitoring module 28 may reference, download, and run the appropriate drivers for the new device.
After loading a new descriptor 49, monitoring module 28 may communicate with remote site 14 to determine whether device 32 has been previously catalogued. Monitoring module 28 may, for example, determine if a general description and a default state of device 32 exists at the remote site. When a device 32 has been catalogued, then, for example, static parameters, such as the manufacturer name, may be communicated from monitoring module 28 to remote site 14 and the default state of device 32 may exist at remote site 14. When a device 32 is not already catalogued, device 32 may communicate its default state and static parameters to monitoring module 28 that may, in turn, communicate the default state and static parameters to remote site 14. The communication from monitoring module 28 to remote site 14 may be done using name/value pairs using, for example, the normal HTTP post method discussed hereinbefore. For example, a template document may be a static parameter of device 32.
In another approach, virtual representations may be stored on, for example, web server 46. Remote site 14 may use changes in device states to change the virtual representations of the devices with which the changed states are associated. A virtual representation of a device, as previously described, may be either a text-based, symbol-based, or image-based representation of an actual device 32 from the installation as it appears to a user who accesses the remote site from a location remote to the installation using any suitable remote user access device. For example, if the device is a light switch, the corresponding virtual representation may be an indicator icon that may be either green or red. If the indicator icon is green, that may denote that the actual light switch is in the “on” position. If the indicator is red, that may denote that the light switch is in the “off” position. If, during a heartbeat operation, remote site 14 is informed that the state of the light switch changes from “on” to “off,” then the virtual representation of the light switch may change from being green to being red.
User interface 58 may include at least one resource. In the example of
Each resource 60, 62, 64 may include one or more display components. For example, the recording setting resource 60 includes a display component 70 and a series of pushbuttons 72, 74, 76, 78 which a user may use to activate the VCR's fast forward, reverse, play, and stop functions, respectively. The channel selecting resource 62 may include the display component 70 and a pair of pushbuttons 82 that users may use to activate up channel and down channel functions of the VCR. The power selecting resource 64 may include a toggle switch 80 that user may use to activate the VCR's power on and power off commands, and an LED indicator 81 that may indicate the power condition of the VCR.
Other suitable display components may include toggle buttons, radio buttons, absolute sliders, proportional sliders, edit fields, labels, images, video clips, streaming video, streaming audio, multiselect list, time fields, date fields, N-directional components, N-state buttons, N-state selectors (where N may be any suitable integer), trees, tables, graphs, charts, drawing pads, streaming audio, banners, or any other suitable display components. Display components may act as status indicators. If desired, display components allow users to toggle settings or otherwise manipulate devices 32. For example toggle buttons may serve as indicators, showing, for example, whether a device is in the “on” position or in the “off” position. Toggle buttons may allow users to change the state of a device, by, for example, turning a device on or off Sliders may act as indicators by showing, for example, the percentage complete of a particular process a device may be performing (e.g., baking a cake), and may allow users to change the state of a device (e.g., changing the thermostat temperature). Edit fields may allow users to change textual representations of suitable elements (e.g., naming a television show to be recorded by the show's name). Video, audio, images, or any other suitable media-based components may act as indicators showing what the devices are sensing (e.g., images may be sensed by cameras, streaming video may be sensed by camcorders, audio clips may be sensed by audio recorders, etc.). Date and time fields may act as indicators, by, for example, displaying what date and time a VCR is set to start recording. Date and time fields may allow users to set the date and time a VCR may start recording. Multiselect lists may act as indicators by, for example, listing all sound sensors that are detecting noise in the house. Multiselect lists may also be used, for example, to select some of a number of available sensors to turn on.
A virtual representation of each device 32, 32a, 32b, 32c, 32d may be stored as a record 94, 94a, 94b, 94c, 94d in the database of database server 48 of remote site 14. Each record may contain an entry for each resource and its associated components which make up the device. For example, record 94 for VCR device 32 may contain an entry 90, 91, 92 for each resource 60, 62, and 64, respectively, and an entry 90a, 90b, 90c, 90d, 91a, 91b, 92a, and 92b for each component 70, 72, 72, 74, 80, 81, and 82, respectively. In addition, a web page 47 may be generated by web server 46 by extracting the associated record for that device from database server 48 and creating a graphical, textual, tactile, aural, or other similar modality user interface representation of that device that the user may access via, for example, Internet browser 26.
One of the functions that monitoring module 28 may serve is to persist the state of devices 32. This may be done, for example, to allow the real-time states of devices 32 to be stored, to communicate to remote site 14, or to allow for easy recovery from a system crash.
The stored state of devices 32 may also be used for maintaining a synchronized relationship between an installation 12 and remote site 14. In one possible embodiment of the present invention, remote site 14 and installation 12 may use polling and heartbeat mechanisms in order to synchronize state information between remote site 14 and installation 12. Polling may refer to a process whereby monitoring module 28 obtains commands from remote site 14. The commands may reside, for example, in command queue 51. Commands may be accumulated at command queue 51 as a result of any suitable action by the user, by remote site 14, or by both. For example, a user may use a remote user access device to issue a command or a request to remote site 14 to cause a change in state of one of devices 32 (e.g., to turn a lamp on). Remote site 14 may post the change in state command to a command queue 51.
Monitoring module 28 may communicate a request for pending commands to remote site 14. This request may be communicated periodically as part of the polling process. In response to the monitoring module's request, remote site 14 may provide one or more pending commands from command queue 51, and may notify monitoring module 28 of the number of remaining pending commands in command queue 51. Monitoring module 28 may then again communicate a request for pending commands. Remote site 14 may return more of the pending commands from command queue 51. This process may continue until command queue 51 at remote site 14 is empty.
Remote site 14 may provide commands to monitoring module 28 using any suitable algorithm. For example, remote site 14 may return commands using first-come, first-serve, round robin, first-in, first-out, weighted prioritization, or any other suitable algorithm. Remote site 14 may also proactively inform monitoring module 28 that commands are waiting in queue 51. Monitoring module 28 may then poll remote site 14 and retrieve commands from remote site 14 until the queue is empty.
Whereas polling process 50 is used by remote site 14 to effect state changes in devices 32 via monitoring module 28, monitoring module 28 may use heartbeat process 52 to update device state information at remote site 14. A heartbeat may be a periodic communication from monitoring module 28 to remote site 14 containing updated state information for devices 32 associated with monitoring module 28. In one suitable heartbeat process 52, monitoring module 28 may send a communication to remote site 14 in response to a change in state of a device 32, a synchronization of a device 32 with remote site 14, a triggered alert event, or in response to any other suitable event. In such a heartbeat operation 52, all data intended to be transmitted to remote site 14 may be transmitted to remote site 14 via communications network 16. Remote site 14 may transmit an acknowledgment of receipt and successful processing of the data back to monitoring module 28.
Remote site 14 may direct monitoring module 28 to make changes in its own state by, for example, posting commands to data store 51. For example, remote site 14 may post commands that set or modify the polling 50 or heartbeat 52 time intervals. Upon reaching the end of the current polling interval, monitoring module 28 may send a communication to remote site 14, requesting any queued commands. Monitoring module 28 may continue to poll, using a preselected communication scheme, until the queue of commands waiting for monitoring module 28 is empty. Each command received from the queue may be acted upon when the command is received and any associated state changes are effected. Remote site 14 may transmit an acknowledgment of receipt and successful processing of the data back to monitoring module 28.
If desired, remote site 14 may send unsolicited communications to monitoring module 28. Remote site 14 may send communications to, for example, set or update the heartbeat or polling time, or to cause monitoring module 28 to issue a command to update a component of a device. Remote site 14 may send unsolicited communications to monitoring module 28 for any other suitable purpose.
In addition to maintaining the polling and heartbeat operations and exchanging communications for events, data, and commands 54 with remote site 14, monitoring module 28 may also take care of many network level activities 56. These activities may include, but are not limited to verifying passwords, dialing up an ISP, if necessary, periodically uploading accounting/billing information, and performing security measures. Any other suitable network level activities may be performed by monitoring module 28.
The present invention may provide a registration process. The registration process may be used to allow the registration of new users, monitoring modules, and available devices at remote site 14. Using information from the registration process, remote site 14 may provide the registered user with access to the functionalities of the registered monitoring module and registered devices. Users may access the functionalities of the modules and devices via communications network 16.
A user or users of installation 12 may open an account with remote site 14 to use services offered by remote site 14. For example, the user or users of installation 12 may open an account with remote site 14 by accessing web server 46 of remote site 14 via, for example, web browser 26. If desired, accounts may be opened using any other suitable approach, such as, for example, using a telephone, or mailing in a physical contract. Information provided for the purposes of opening an account with remote site 14 may be stored in database server 48.
In one suitable embodiment of the present invention, users may be required to create accounts before installations, monitoring modules, devices, components, virtual representations, or other elements of the system that are associated with a particular user or entity may be registered with remote site 14. Subsequent access to the registered installations may be granted only to the user account holder or to those that the user account holder has permitted access.
Once the registration process is completed, the user account holder and those entities that the user account holder permits access to, may access the registered installations at step 310.
Monitoring modules 28 may also register with remote site 14. Information regarding monitoring modules 28, such as model identification, attached devices, etc. may also be stored in database server 48. Once a monitoring module is registered, it may register its attached devices with remote site 14. Information associated with devices, such as device names, may be stored in database server 48 and made available to the user. Each device 32 may communicate with monitoring modules 28 and export its customized interface to database server 48. If the interface is not customized, a default interface may be used.
The registration process of the present invention may require user interaction locally, remotely, or both. For example, the system may prompt users to enter registration information on a web site that is resident on web server 46. The system may, for example, require users to set or adjust system settings using set-up software running locally on user access device 22. The set-up information may subsequently be communicated to remote site 14. Any suitable combination of local and remote registration processes may also be used.
The system may provide the user with opportunities to set names or identifiers for monitoring modules and/or connected devices.
If desired, the system may provide displays instructing users how to connect various devices and how to register them with remote site 14.
Automatic detection of devices may be implemented using any suitable software, hardware, or both that may allow devices coupled to a monitoring module to be automatically detected. The approach employed for implementing automatic detection may depend on whether there is one-way communications between devices 32 and monitoring module 28 (i.e., from devices 32 to monitoring module 28) or whether there is two-way communications.
In one suitable approach monitoring modules may continuously, periodically, or in response to one or more particular events, attempt to handshake with devices. This is illustrated by
If devices are daisy-chained, the handshake may be passed on from one device to another in the chain. Responses from the daisy-chained devices may be returned from one device to the next until the responses reach the monitoring module.
The use of handshakes is merely an illustrative approach for the automatic detection of devices. Any other suitable approach may be used. For example, a monitoring module may check its ports to determine whether any data streams are coming into the ports. For example, in the case where the device is a video camera, a constant video feed may be communicated from the video camera to the monitoring module. If there is a data stream coming in, then the monitoring module may acknowledge that a device is coupled to that port.
In another suitable approach, devices may be configured to periodically, continuously, or upon particular events (e.g., power-up, user pressing a button, or any other suitable event) send a message through their respective connection interfaces, identifying themselves. For example, each device may have a user interface such as a button that a user may need to interact with (e.g., pressing the button) in order for the device to be detected. For example, upon user interaction, the device may send a communication to its corresponding monitoring module. The communication may be any suitable communication that may allow the monitoring module to detect the device. In one suitable embodiment, the communication may include a serial number associated with the device. The serial number may be used by the monitoring module to identify the device in subsequent processes. If desired, this approach may be used with wireless devices (i.e., devices 32 that communicated with monitoring module 28 via a wireless interface such as Bluetooth), while wired devices may be detected using any other suitable method.
Any other suitable approach for the automatic detection of devices may be used. For example, the monitoring module may detect whether electrical current is flowing through device ports as a means of detecting devices (in the case of wired devices). In such an embodiment, the device may change the state of an interface element (e.g., a connection pin) between a high value and a low value depending on whether power is being sent through the port to the device. For example, if a video camera is coupled to the monitoring module, the video camera may be automatically powered by the current from the monitoring module. The flow of current may cause the value of a particular connection pin to change from low to high. The monitoring module may detect the high value of the particular connection pin, thus indicating the presence of a device.
In another suitable approach, the devices and monitoring modules may be configured according to hot-plugging standards (e.g., that make use of IEEE 1394, USB, PCMCIA, or any other interface that accords with hot-plugging standards). Any such suitable approach may be used.
In one suitable embodiment of the present invention, a detected device may communicate a unique string to the monitoring module. The unique string may be used by the monitoring module to detect the device or the unique string may be communicated subsequent to the detection of the device. The unique string may contain a uniform resource identifier (URI), such as, for example, a uniform resource locator (URL). The URI may provide a link to a downloadable object, such as, for example, a remote method invocation (RMI), a common object request broker architecture (CORBA) object, a distributed component object model (DCOM) object, a device driver/device descriptor, or any other suitable downloadable object. The downloadable object may be acquired by monitoring module 28 (using, for example, communication network 16). The downloadable object may be installed at monitoring module 28. The object may be executed and may take responsibility for running the corresponding device, registering parameters, registering events, registering components, or for performing any combination of these or any other suitable functions.
Other information that monitoring module 28 may supply to remote site 14 during the registration process may include information about the type of communications network 16 being used by the client access device to communicate with remote site 14.
The monitoring module may generate a globally unique monitoring module identification and a monitoring module password during the registration process. These are illustrated in
Monitoring module 28 and remote site 14 may communicate using a communications protocol. The communications protocol between monitoring module 28 and remote site 14 (e.g., via communication network 16) may consist of a series of predefined messages, message parameters, and return codes. The registration protocol may be a subset of this communications protocol and may be specific to the registration process used to register monitoring modules and devices with remote site 14.
Registration protocol messages may be initiated by the monitoring module. The monitoring module may, for example, generate a transaction identification for each message. The transaction identification may be an identifier that is unique within a given time window. Registration protocol messages may include, or be accompanied by, the transaction identification, model identification code, monitoring module identification, and monitoring module password. The registration protocol message may include commands and any required command-specific parameters. If desired, any suitable part of the system other than the monitoring module may initiate the communication of registration protocol messages. For example, the user may manually initiate the registration protocol messages using, for example, client device 22.
Remote site 14 may process monitoring module registration messages and return confirmation messages to the monitoring module that initiated or generated the registration messages. The confirmation message may contain the original message's transaction identification, a version identification of the software being used at web server 46, database server 48, or both, and the name or other identification of the command to which the confirmation is responding. If desired, confirmation messages may include any other identification information or other suitable information instead of or in addition to those described.
Confirmation messages may also include an acknowledge character (ACK) to indicate remote site 14 processed the message correctly. When remote site 14 cannot process the message correctly, for whatever reason (e.g., checksum error, invalid command parameter, etc.), confirmation message may include a negative-acknowledge character (NAK) code. The confirmation message may also include an error message that may indicate the reason for the NAK code.
In one suitable approach, remote site 14 may have the ability to recognize certain errors, forms of errors, or both. Remote site 14 may also correct the recognized errors. Instead of returning a NAK code in this situation, remote site 14 may return an ACK code with a notification of the detected error and the fact that it was corrected. Alternatively, remote site 14 may only return an ACK code without the acknowledgment that an error was corrected. Any such suitable response may be used.
If desired, multiple registration protocol or other messages may be sent using only one communication. This may be accomplished using any suitable technique. For example, the messages may be bundled into an extensible markup language (XML) command schema. Remote site 14 may, likewise, respond to the bundled message communication in one XML confirmation schema. Alternatively, remote site 14 may provide individual responses for each command in the original communication.
At step 104, remote site 14 may check the validity of registration messages, of command (or commands) included in the registration messages, or both. Checking message validity may include, for example, checking whether a message has a transaction identification that is unique within the agreed upon time window; checking whether a message includes a unique monitoring module identification and a monitoring module password; and checking whether a message includes a model identification code. If desired, any other suitable technique may be used in checking message validity. Checking message command validity may include, for example, determining whether a command is one that remote site 14 is able to recognize (i.e., is an actual predefined command); and whether a message includes the correct command parameters for the command used. If desired, any other suitable technique may be used in checking message command validity. If desired, remote site 14 may also check for command specific validity. This may involve, among other things, ensuring that any contingent devices have already been registered, checking to make sure a device that is to be registered has not already been registered, and any other suitable validity checks.
If there are no errors, remote site 14 may register the installation, including the monitoring module, devices, resources, components, virtual representations, and any other suitable elements of the installation. If desired, any of the elements may also be registered separately from other elements. Remote site 14 may also associate the registered elements with the corresponding user account. Registering monitoring modules 28 and devices 32 may include, for example, adding the identified monitoring module, devices, user, or any other suitable information contained in the registration message, to a database at remote site 14. Remote site 14 may then generate a confirmation message that includes, in the case of no errors, an ACK. When errors are encountered during the registration process, remote site 14 may return a NAK. At step 106, the confirmation message may be transmitted from remote site 14 to the monitoring module. At step 108, the monitoring module checks the confirmation message. If a NAK is found, then the monitoring module may retransmit the registration message at step 112. If an ACK is found then the registration is deemed to be successful at step 110.
Information regarding registered monitoring modules and registered devices may be stored in the database. Remote site 14 may access the database to retrieve information about the registered monitoring module (or monitoring modules) and registered devices. The system may provide the user with the ability to set preferences for the registered devices, gather information from the registered devices, and control the registered devices. The database may allow for an efficient mechanism by which information about devices may be accessed and provided to the user. An illustrative database schema is shown in
When a user registers with remote site 14, a number of table entries in the database may be created. The user's personal information, billing information, the monitoring module's unique monitoring module identification, the monitoring module password, and any other suitable data may be stored in the database. Entry of the data into the database may be facilitated by using an appropriate database application program interface (API), such as, for example; an API with a data parameter that may create a data cell and store the content of the data parameter in the data cell. Thus, only a single function call may be needed for entering a piece of data into the database. Once a new user is added to the database, the function may return a user identification code or number. This user identification may be used by the system to refer to the user rather than having to use the user's name.
The process for adding entries for monitoring modules and devices in the database may be similar to the process for adding entries for users. That is, using APIs, new table entries may be added in the database. When registering new monitoring modules and devices, only a single function may need to be called by web server 46 to create the appropriate table entries in database 58. The appropriate table entries may be created and the appropriate identification codes or numbers may be returned. If desired, any other suitable technique for adding entries for monitoring modules and devices in the database may be used.
When processing validity checks, web server 46 may query the database to determine whether certain entries are already in existence. For example, when registering a new device, a function may be called by web server 46 that returns a boolean value corresponding to whether or not the device already exists in the database. This querying process may be performed using suitable API's.
Although the illustrated system uses APIs as an interface between database server 48 and web server 46, other suitable technologies may be used. For example, Perl scripts, CGI scripts, Cold Fusion, or any other suitable technologies, or combination thereof, may be used to interface database server 48 with web server 46.
Users may also edit preferences for registered devices. For example, the system may provide users with opportunities to set up special notification preferences for particular devices.
In one suitable embodiment of the present invention, registration of a device 32 may entail the registration of actions and indicators associated with that device. An action may be an action that a user may take with respect to a corresponding device 32 from a remote location using, for example, remote user access device 17. For example, a user accessing a web site using user access device 17 and turning up the brightness level of a video camera at installation 12 may be a suitable action. An indicator may be used to provide information regarding particular feedback from a corresponding device 32. For example, the current frame rate of a video camera may be a suitable indicator.
In another suitable embodiment of the present invention, the registration process may be layered with sub-registration processes for registering users, registering installations associated with their respective users, registering monitoring modules associated with their respective installations (and, in turn, associated with their respective users), registering devices associated with their respective monitoring modules, registering resources associated with their respective devices, registering components associated with their respective resources, and registering virtual representations which are made up of components to provide a virtual device. This is illustrated by step 304 of
The registration process for each of these layers may include registration information being sent from the monitoring module to the remote site, including suitable registration commands and parameters (e.g., addComponent(Resource, monitoringModule, componentType, etc.)). Registration messages for the different layers may be generated using a markup language (e.g., HTML). For example, HTML form post commands with name/value pairs may be used in the registration message. When the registration message is communicated to the remote site, web server 46 may process the registration message by parsing the markup language code. Appropriate entries may be made into database 58 at remote site 14 to catalog the registered elements of an installation.
Each registered element may be assigned a suitable identification code by remote site 14 that may be used to identify at remote site 14 the element within a particular installation. In one suitable approach, monitoring module 28 may assign an identification to an element of installation 12 that is unique only to installation 12 or to monitoring module 28. The identification assigned by monitoring module 28 may or may not be made identical to the identification code assigned by remote site 14. In the approach where the identifications are different, the identification code assigned by remote site 14 may be mapped to the identification assigned by monitoring module 28 (e.g., using appropriate database constructs). When communicating with monitoring module 28 regarding a particular element, remote site 14 may look up the mapped identification assigned by monitoring module 28 and communicate using that identification. In the case where the remote site 14 and monitoring module 28 use the same identification, the identification assigned by remote site 14 may be returned to monitoring module 28. Monitoring module 28 may use the identification in subsequent communications with remote site 14 when referring to the element of installation 12 with which identification is associated.
Virtual representation registration may involve a template document being registered with the remote site. A template document may be a description of the layout of components (i.e., virtual representations of actual device components) that may be used to generate a web page displaying the components. A markup language, such as, for example, HTML may be used to generate a template document. A template tag may be used that may take the form of <component id=XX>, where “id” may be used to designate a particular component. The tag may be followed with code (e.g., HTML code, Javascript, etc.) that may include state information of the particular component, or any other suitable information. When a user accesses a registered virtual representation (of a registered device) via, for example, web page 47, remote site 14 may collect all of the components associated with the device as well as the template document for the virtual representation of the device. Remote site 14 (e.g., web server 46) may generate a web page that may include a collection of code that was cut and pasted from the template document, producing a virtual representation of the device.
Users that access the virtual representation of the device may make any suitable changes to the individual components (e.g., that correspond to state changes of the corresponding device) and those changes may be communicated to monitoring module 28. In one suitable embodiment, the actual state of components may not be altered in database 58 when the changes are issued by suitable users through, for example, browser 26. Rather, upon monitoring module 28 receiving state changes via, for example, packaged commands from queue 51, the commands may be delivered to an appropriate device descriptor 49. Device descriptor 49 may be responsible for communicating a command to remote site 14 for the purpose of updating database 58 with the respective state changes. The communication from device descriptor 49 may confirm the acceptance of the state changes. Changes in display components of device's virtual representation may signal that a corresponding change is or has been performed in physical device 32.
This is merely an illustrative approach of registering a virtual representation. Any other suitable approach may be used. For example, the present invention is not limited to using HTML, but may make use of any suitable markup language or any suitable language, in general, to code registration information. If desired, template documents need not be communicated by monitoring module 28 to remote site 14. Any suitable URI such as, for example, a URL, may be communicated that may direct remote site 14 to a corresponding template document. In another suitable approach, multiple template documents or one or more URIs linked to multiple template documents may be registered in connection with a particular virtual representation. For example, a device's virtual representation may have a main layout for resources, which may each have a template for their respective components.
In one suitable embodiment of the present invention, events may be registered at a remote site. An event may be specific to a particular device. For example, “FIRE!!!” may be a unique event to a fire alarm device, whereas “door motion sensor tripped” may be a unique event to a door motion detector device. Any such suitable events may be associated with their respective suitable devices.
In one suitable embodiment of the present invention, as new devices are added to a registered monitoring module, the monitoring module may automatically (i.e., without any user interaction) detect the presence of the new devices and automatically notify remote site 14 of the presence of the new devices. Remote site 14 may, in turn, add the new devices to the database. In order to determine when and which new devices are added, the monitoring module may conduct object discovery on a continuous basis. If desired, the object discovery may be conducted on a periodic basis. Once new devices are found, the monitoring module may send a registration message to remote site 14 in accordance with the present invention. This process is shown in
In some suitable embodiments of the present invention an installation 12 may be re-registered. For example, in the case where a system crash occurs at an installation 12, or if the hardware, software, or both is upgraded at the installation (or at the remote site), the installation may need to be re-registered Re-registration may be necessary for any suitable reason. The process for re-registration may be substantially similar to the initial registration process for an installation, monitoring modules, resources, components, and virtual representations.
In one suitable approach, remote site 14, remote user access devices 17, or any other suitable remote elements of system 10 may access installation 12 or any of the elements of installation 12 using a special address (e.g., IP address) that is associated with a particular installation 12 or with a particular element of installation 12. The special address may be communicated from the corresponding installation or element of an installation during the registration process.
Thus, systems and methods for the automatic registration of devices are provided. One skilled in the art will appreciate that the present invention can be practiced by other than the described embodiments, which are presented for purposes of illustration and not of limitation, and the present invention is limited only by the claims which follow.
This application is a continuation of U.S. patent application Ser. No. 14/484,135, filed Sep. 11, 2014, which is a continuation of U.S. patent application Ser. No. 14/104,936, filed Dec. 12, 2013, now U.S. Pat. No. 9,118,626, which is a continuation of U.S. patent application Ser. No. 12/853,140, filed Aug. 9, 2010, now U.S. Pat. No. 8,723,664, which is a continuation of U.S. patent application Ser. No. 11/823,870, filed Jun. 27, 2007, now U.S. Pat. No. 7,796,023, which is a continuation of U.S. patent application Ser. No. 11/143,920, filed Jun. 1, 2005, now U.S. Pat. No. 7,250,854, which is a continuation of U.S. patent application Ser. No. 10/664,609, filed Sep. 16, 2003, now U.S. Pat. No. 6,943,681, which is a continuation of U.S. patent application Ser. No. 09/709,688, filed Nov. 10, 2000, now U.S. Pat. No. 6,686,838, which claims the benefit of U.S. Provisional Application No. 60/230,318, filed Sep. 6, 2000, the entire disclosures of which are incorporated by reference herein for all purposes.
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