Consumers routinely shop for and purchase products and services from merchant web sites. Typically, the customer adds one or more items to a shopping cart, and then enters a checkout pipeline of the merchant's site. During the checkout process, the customer typically specifies credit card and shipping information for completing the transaction. The merchant's system then uses the specified information to complete the payment transaction.
Some merchant sites allow or require customers to complete the checkout process using a payment service hosted by a third party payment service provider. When the customer opts to use such a payment service, the merchant site directs or redirects the user's browser to a separate web site operated by the payment service provider. The customer can then log into an existing account with the payment service provider, or can create a new account. After completing the transaction on the payment service provider's site, the customer can return to the merchant's site, if desired.
One benefit of such third party payment services is that they reduce or eliminate the need for the merchant to set up and maintain the infrastructure for collecting payments from Internet users. This benefit can be especially significant for small merchants that do not have the resources needed to set up payment processing systems. Another benefit is that consumers can use a single account with a single entity to make purchases from many different merchants and merchant sites. Thus, consumers need not set up accounts with, or disclose their payment information to, all of the merchants from which they make purchases.
Specific embodiments will now be described with reference to the drawings, which are intended to illustrate and not limit the various features described herein.
Various embodiments of a hosted payment service are disclosed. In some embodiments, a merchant can enable customer use of the payment service by adding a line or sequence of widget code to a web page, such as a shopping cart page, of the merchant's site. Thereafter, a user who is registered with the payment service can invoke the payment service and complete a purchase transaction directly from the merchant site, without navigating or being redirected to a separate payment service site. For example, while viewing a shopping cart page, the user may be able to securely interact with the payment service and complete the purchase transaction via a transaction display object that is incorporated into the shopping cart page. The display of the transaction display object may be enabled by the widget software code added to the page by the merchant. Widget code may additionally or alternatively be added to other types of pages of the merchant site, such as product detail pages, among others, to enable transactions to be completed from such pages.
In some embodiments, the transaction display object prompts the registered customer to enter a secondary authentication input, such as a personal identification number (PIN) or secondary password. The payment service may use this secondary input in combination with a browser cookie to authenticate the customer before completing the transaction. The secondary authentication input may be distinct from the customer's primary authentication information (e.g., username and password) used to log into the customer's payment service account, such that a fraudulent user who obtains it does not obtain log-in access to the customer's account.
Several different computer-implemented processes will now be described for providing a hosted payment service. These processes may be embodied individually or in any combination in a computer system or network of computer systems that implements a hosted payment service.
The hosted payment service system 140 includes one or more servers 142, such as, for example, web servers. The servers are in communication with an account database 144 which stores information relating to customer accounts, merchant accounts, or both. The hosted payment service processes payments from customers associated with purchases from merchants in an efficient and user friendly manner. For example, the hosted payment service can process payments from the customer without having to re-direct the customer from the web site 132 of the merchant to a web site of the hosted payment service.
In certain embodiments, the hosted payment service system 140 generates a code segment adapted to be added to web page coding of a merchant web site 132 of the merchant. The hosted payment service system 140 then communicates the code segment to the merchant over the network 120. The code segment or “widget code” can be configured to add a first control that enables users to invoke the hosted payment service from the merchant web site 132 to purchase items. The first control may be, for example, a checkout button (see 230 in
A user may have an account with the hosted payment service 140. The payment service 140 may store information on the database 144 associated with the customer account such as, for example, customer name, credit card information, billing address information, log-in information, etc.
A server 142 of the hosted payment service system 140 can receive a request from the computing device 112 of a customer user who is registered with the hosted payment service. The request can be generated in response to user selection of the first control as displayed on a web page of the merchant web site. For example, where the first control is a button displayed on the web page of the merchant through the web browser 112 of the customer, the user may click on the button indicating their desire to pay using the payment service. The request can include transaction information for performing a purchase transaction in which payment is collected by the payment service on behalf of the merchant. The transaction information can include any information relating to the transaction. For example, the transaction information can include price information, information relating to the items to be purchased, or both.
The payment service 140 responds to the request by generating and returning web page coding that causes a transaction display object to be displayed on the user computing device within the merchant web page. For example, the web page coding may be communicated over the network 120 to the merchant 130. The transaction display object of certain embodiments includes at least some of the transaction information. For example, the transaction display object may display the item or items that the customer is purchasing, the shipping costs or the sales tax for the purchase. In some embodiments, the transaction display object displays a user identifier, such as the name or username of the customer.
The customer's browser thus loads the transaction display object coding from a source (namely the payment service 140) that is separate from the source 130 of the base component (e.g., HTML document) of the merchant web page. Although retrieved from separate sources, the transaction display object in some embodiments becomes part of, and is displayed in the same browser window as, the merchant web page. As discussed below, this may be accomplished using an iFrame html element and/or using an overlay display object.
The transaction display object can include a second control that is selectable by the user such that the user can complete the purchase transaction without navigating away from the web page. For example, the user may not be re-directed to another web page, such as the web page of the payment service, in order to complete the purchase transaction. In certain embodiments, for example, the user can complete the transaction using the payment service by interacting with a single web browser window displaying a single web page of the merchant site. As discussed herein, the web page of the merchant may include display elements, such as, for example, overlay display objects (which may also be referred to as “pop-overs”) which become visible to the user during the purchasing process. The web page of the merchant may include a nested portion which can be served by a server of the payment service, as discussed herein.
The second control may include one or more buttons which the user can click to complete the purchase transaction, for example. Embodiments of the first control, the second control and the transaction display object are described in greater detail herein, with respect to
Although described with respect to the embodiment of
Various control features may also be included on the merchant web page. For example, the button 220 allows a user to continue shopping and select more items to add to the shopping basket and the button 222 allows a user to remove one or more items from their shopping basket 210. Button 224 allows the user to proceed with checkout without using the hosted payment service system 140. For example, the button 224 may allow the user to checkout using a different payment service, or using the merchant's own payment process (if any).
A first control 230 allows the user to invoke the payment service from the merchant web site to purchase the items 212 in the shopping basket 210. When the user selects this control 230, a request is received by the payment service 140. The payment service 140 determines whether the user is a recognized user. For example, a user may be recognized if the user has an account and a currently valid browser session with the payment service. The payment service may determine whether the user is recognized by processing a user authentication object received from the computing device 110 of the user. The user authentication object can be based on a first authentication input.
In certain embodiments, the user authentication object may include a parcel of text such as, for example, an “HTTP cookie” (which can also referred to as a “Web cookie”) and the first authentication input may include login information input by a user into a web site of the payment service 140. A user may have a valid session, for example, if the user has previously logged into the payment service using the same computer and browser (e.g., with a valid user name and password). The valid session can be detected through the use of a cookie. For example, a server of the payment service can cause a cookie to be sent to the customer's web browser 112. The cookie can then be sent back unchanged to the server by the customer's web browser each time the web browser accesses the server. In this way, the cookie allows the payment service to authenticate users, recognize users, or both.
Although described with respect to the embodiment of
In certain embodiments, a different authentication object may be used. For example, the payment service may send the first authentication object (e.g., a cookie) to the user's browser 112 even if the user does not input a first authentication input (e.g., a user name and password). In other embodiments, the first authentication input includes only a username and not a password. The authentication object may include multiple cookies and the cookies may be served by multiple servers of the payment service 140.
As indicated by the user's name icon 232 displayed on the first control 230, the payment service has recognized the user, who is named “Charlie Claxton” in the illustrated example, according to one of the recognition processes described herein. In this example, the user has also previously enabled “express checkout” and has previously input the one or more pre-defined default account settings. When the recognized user requests to pay using the payment service by clicking on the first control 230, the payment service responds to the request by generating and returning web page coding that causes a transaction display object 260 to be displayed on the user computing device 110 within the merchant shopping basket page, as illustrated by the example screen display 201 of
The transaction display object 260 can be defined by web page coding that is embedded in the web page coding of the shopping cart page and may sometimes be referred to as a widget. In some embodiments, the web page coding may be embedded in another page of the merchant, such as, for example, a product detail page. The widget code may be downloaded from the merchant web site and enable the browser to load the transaction display object 260 from the hosted payment service, for example. The transaction display object 260 may be generated by widget code, such as JavaScript code, that is downloaded and executed by the web browser 112 of the customer. According to some embodiments, the widget code may be written in a different programming language, such as DHTML, Adobe Flash, or various scripting languages.
In some embodiments, the web page coding is generated and returned based at least in part on the processing of the user authentication object. For example, as illustrated by
With further reference to
As illustrated by
The transaction display object 260 can include one or more buttons 267, 268 selectable by the user such that the user can complete the purchase transaction using the payment service without navigating away from the merchant web page. In addition, the one or more buttons 267, 268 may allow the user to complete the purchase transaction using the payment service without having to enter login information, purchase information, or both, because they are a recognized user.
At the checkout stage depicted by
Referring again to
In other embodiments, the control mechanisms for each transaction detail may be different. For example, a drop-down menu may be used instead of the bubble-type menu 283 to change the shipping option details 282. In various embodiments, one or more additional transaction details are displayed on, or are controllable through, the transaction display object 260, or one or more of the transaction details displayed on or controllable in the embodiment of
In certain cases, users may want to review the details related to the transaction and be able to make adjustments before their order is placed and payment is processed. Accordingly, users may benefit from using quick checkout method using the “review order” button 267 as illustrated by
In certain embodiments, the secondary authentication input can be used for multiple checkout sessions without being reset. The secondary authentication input may be characterized as persistent, for example. Accordingly, the user can manage one secondary authentication input and will not be burdened with having to remember different secondary authentication inputs for different checkout sessions. The combination of the first authentication object and the secondary authentication input can provide security benefits to the user. For example, as described above the first authentication object, which may be a cookie, can be provided to a user after they login to the payment service providing a first authentication input. The first authentication object can be described as providing a first layer of security because purchases through the payment service can only be made from the browser that received the cookie. As such, even if a party had access to the secondary authentication input, they would not be able to make purchases unless they did so through the browser of the user which had access to the cookie.
The user may have one or more default shipping addresses associated with their payment service account. Moreover, in certain embodiments, the default shipping addresses and other information associated with the account (e.g., credit card information) is editable by a user only if they log in directly to the web site of the payment service. As such, even if an entity had access to both the browser of the user with the first authentication object (e.g., a cookie) and the secondary authentication input (e.g., a secondary PIN), the entity would only be able to ship items to the shipping addresses associated with the account. In certain cases, this may deter fraudulent purchases, providing another layer of security. For example, it may be difficult for the entity attempting to fraudulently purchase the item using the user's account to collect the item at the user-defined shipping addresses.
In addition, the secondary authentication input provides another layer of security because it can prevent fraudulent purchases by those who have access to the user's browser but do not know the user's secondary authentication input. For example, this may be useful where a computer is shared by multiple family members or employees. User's may be concerned that entering login information into a third-party web site may increase the risk of their login information being intercepted. As such, users may not want to enter their hosted payment service login information into the web page of the user. The secondary authentication input can address these concerns while providing additional security because the secondary authentication input is not associated with the user's payment service login information. Moreover, in certain embodiments the first authentication object (e.g., the cookie), the secondary authentication input (e.g., a secondary PIN), or both, are sent to the payment service via the nested portion of the merchant's web page (e.g., through the iFrame element) and are therefore not accessible to the merchant or other parties. This can, for example, prevent “simulated” fraudulent purchases by the merchant acting on behalf of the customer. Some embodiments may include other types of web coding which keep the first authentication object and/or the secondary authentication input from being exposed to and/or accessible to the merchant or other parties. For example, in one embodiment, Flash objects may be used instead of, or in addition to, iFrame elements. In other embodiments, the first authentication object, the secondary authentication input, or both, may not be sent through the nested portion of the web page and may be exposed to and/or accessible by the merchant. In one embodiment, for example, the customer does not input the secondary authentication object into the iFrame object directly and the merchant collects the secondary authentication input from the customer and passes it to the payment service (e.g., through the iFrame element).
Those of skill in the art will recognize from the disclosure herein that certain alternative configurations are possible for the secondary authentication input. For example, in certain embodiments, the secondary authentication input may be some other type of input such as a voice recognition input or biometric identification input (e.g., a fingerprint). In some embodiments, the secondary authentication input is reset before each login session by the payment service. For example, in one embodiment, the payment service 240 generates a unique secondary authentication each time the user attempts to use the payment service and sends the secondary authentication to the user (e.g., via an e-mail, or via a Short Message Service text message). In some embodiments, the secondary authentication input is associated with the user's payment service login information. For example, the secondary authentication input may include be the user's primary payment service username, but a different password.
The authentication processes described herein may be used in any situation in which authentication of a user of a hosted service is desired. For example, the hosted service may authenticate users who are existing subscribers to a service of a merchant. In one embodiment, for example, the merchant is a provider of video content or audio content, and the hosted service authenticates subscriber users so that they can view the video content or listen to the audio content on a web page of a merchant or another web page. In one embodiment, for example, a media widget that plays audio and/or video can be embedded in a web page which plays songs that are purchased by the user.
In certain embodiments, a user who has express checkout enabled and is a recognized user is re-directed to the web site of the payment service when they indicate that they would like to complete their transaction using the express checkout feature of the payment service (e.g., by selecting the first control 230). However, the user does not have to enter their log-in information in order to complete the purchase transaction. This may be the experience presented to a user who does not have a web browser capable of running embodiments of the web page coding described herein. For example, it may be the experience presented to a user who does not have a browser with JavaScript enabled when the web page coding includes JavaScript portions.
Referring again to
Because the second document is served by the payment service instead of by the merchant web site, there may be a benefit of improved security. For example, the merchant web site will have no control over or access to the nested portion 272 of the merchant web page because it is defined by the second document which is being served by the payment service. As a result, the merchant web site can be prevented from possibly forging a transaction by simulating a selection (e.g., a click) of the one or more buttons 267, 268 and causing a purchase to be processed without the user actually selecting (e.g., clicking) on the one or more buttons 267, 268. Additionally, because the payment service has control over the nested portion and any data communicated through or under the control of the nested portion 272, it can be difficult for the merchant web site to access customer content such as the authentication object (e.g., a cookie) associated with the payment service site described above.
As will be recognized from the disclosure herein, alternative configurations are possible. For example, in some embodiments, the merchant web page is not divided into main and nested portions. For example, the merchant web page can be defined by a single HTML document. In certain embodiments, some other mechanism is used to divide the control of the merchant web page into multiple portions which provides similar security benefits. In some embodiments, the main portion 270, the nested portion 272, or both, are served by more than one HTML document. There may be more than one nested portion 272 in some embodiments. Some embodiments may include other types of web coding instead of, or in addition to, iFrame elements. For example, in one embodiment, Flash objects may be used.
Although described with respect to the illustrated embodiments, alternative configurations will be appreciated from the disclosure provided herein. For example, in some embodiments, the transaction display object 260 does not include an overlay display object. The transaction display object 260 may be integrated into the merchant web page. In other embodiments, the transaction display object 260 is displayed as a web pop-up which is not a part of the merchant web page but instead requires a new browser window to be opened to display the content of the transaction display object 260. A merchant may add the payment widget to other types of pages, such as a product detail page, such that a user could purchase a single item directly from the product's detail page. In certain embodiments, the post-checkout information may be presented in other ways. For example, in one embodiment, the post-checkout information is not part of the transaction display object 260, is presented to the user through the main portion 270 of the merchant web page, or both.
In various embodiments, there are different ways of checking out and different corresponding configurations for the one or more checkout buttons 266. For example, in one embodiment the user may be allowed to checkout using a process which requires the user to enter their payment service login information. There may be more than the two buttons 267, 268 in some embodiments which allow the user to checkout in more than two different ways. In some embodiments, there is only one method of checking out and one corresponding button. For example, in various embodiments, the user can only checkout using the “buy now” button 268 or, alternatively, only the “review order” button 267. In some embodiments, the user may be redirected to the website of the payment service. For example, in one embodiment, if the browser of the user is configured such that it does not accept third-party cookies, the browser may not accept the first authentication object (e.g., a cookie of the payment service) and the user may be redirected to the website of the payment service. For example, the user may be redirected to the website of the payment service after clicking on the checkout button 230 of
For example, the user can review their shipping details 250, order details 252, and payment details 254. A button 251 can allow the user to change their shipping information and a button 255 can allow the user to change their payment method. A button 256 can allow the user to place their order. Once the user has placed their order, the payment service will cause the user to be directed back to the merchant web site where an order summary or thank you page may be presented, such as the thank you page described above with respect to
Once a registered user has logged in to the payment service (e.g., by using the interface illustrated in
As will be appreciated from the disclosure provided herein, in other embodiments, customer recognition may be performed in alternative configurations. For example, in one embodiment, some authentication mechanism other than a cookie is used. In one embodiment, a cookie is used to recognize the user but no login is required. In one embodiment, the user is not re-directed if they are unrecognized. For example, the user may be authenticated (e.g., login to the payment service and receive a cookie) without being redirected from the merchant web page. In one embodiment, the user may be authenticated by interacting with the nested portion 272 of the merchant web page.
In certain embodiments, the user will be prompted to decide whether they want to enable the checkout experience described herein in which the user can use the payment service without navigating away from the merchant web page (also referred to herein as “express checkout”). For example, in certain embodiments, if the user does not enable express checkout, they may continue to checkout using the process described above with respect to
At event 1, the merchant 330 requests a code segment from a server of the payment service 340. For example, in one embodiment, the merchant may access a web site of the payment service 340 in which they can select a first control (e.g., the first control 230 including a checkout button, as described above with respect to
In certain embodiments, the process in which the code segment is obtained by the merchant may be different. For example, in certain embodiments, the merchant can be given a sample code segment which they can modify according to their preference and insert into their web page coding. In some embodiments, the merchant obtains a software program (e.g., from the payment service system) which they can install on merchant 330 and use to generate the code segment.
The user accesses the merchant web page 350 including the first control at event 3. The merchant 330 returns the requested merchant web page 350 at event 4 to customer computing device 310 of the user and the web page 350 is displayed in the web browser 312 running on the customer computing device 310. The web page 350 may be defined by an HTML document which includes one or more references related to a first control (e.g., a reference to an image file which graphically represents the first control), one or more references to coding of the payment service 340 (e.g., JavaScript code of the payment service provider 340), or both.
At events 5 and 6 of
The web page coding of certain embodiments includes a reference to an HTML element (e.g., an iFrame) which enables the insertion of a nested portion (e.g., the nested portion 272 described herein) into the merchant web page 650. Because the nested portion can be defined by one or more HTML documents served by the payment service 340, the web browser 350 can communicate directly with the payment service 340 (e.g., without communicating with the merchant 350) when requests are made by the web browser 350 to the payment service servers 342 through the nested portion of the merchant web page 650. For example, a user may request to complete a purchase transaction using a second control (e.g., the “review order” button 267 or the “Buy Now” button 268 of
At events 7 and 8 of
At event 9, in response to user selection of the first control (e.g., a checkout button), transaction information is sent to the payment service 340 from the web browser 350. For example, an HTML form including transaction information may be sent to a server 342 (e.g., one of the checkout servers 345) of the payment service 340. The HTML form may include information including, but not limited to, formatting information for the merchant web site (e.g., title, HTML formatting information), information relating to the merchant (e.g., a merchant ID), shopping cart information, the item(s) the user wants to purchase (e.g., the item or items in the user's shopping cart). A checkout service application 343 running on the checkout server 345 may send the HTML form to an order form processor application 346.
At event 10 in
At event 11 of
At event 13, the user indicates they would like to place their order by, for example, selecting a confirmation button (e.g., the confirmation button 290 of
Those of skill in the art will appreciate that alternative configurations are possible. For example, in other configurations the web page coding may include some other scripting language such as dynamic-HTML or Adobe Flash, instead of, or in addition to, JavaScript. In some embodiments, one or more other components instead of, or in addition to, the image file and web page coding are referenced by the document (e.g., an HTML document) which defines the merchant web page.
The events 1-15 and the various illustrated components of the customer computing device 310, the merchant 330 and the payment service 340 are representative of certain embodiments and are not intended to be limiting. In certain embodiments, one or more of the data flow branches 1-15 may not be included, one or more additional events may be included, or both. Moreover, in certain embodiments, the one or more of the illustrated components of the customer computing device 310, the merchant 330 and the payment service 340 may not be present, one or more additional components may be included, or both. For example, in some embodiments, the order form processor 346 is not a separate component and is implemented on one of the servers 342 of the payment service system.
Part of the data flow operations described with respect to
At block 402, the process 400 generates a code segment adapted to be added to web page coding of a merchant web site of the merchant. At block 404, the process 400 communicates the code segment to the merchant. The code segment of certain embodiments is configured to add a first control that enables users to invoke the payment service from the merchant web site to purchase items. The code segment and first control may be similar to the code segment and first control described herein with respect to
At block 406, the process 400 receives, at a server of the payment service, a request from a computing device of a user who is registered with the payment service. The request can be generated in response to user selection of the first control as displayed on a web page of the merchant web site. The request may include transaction information for performing a purchase transaction in which payment is collected by the payment service on behalf of the merchant. The transaction information can include checkout information (e.g., shopping cart information).
The process responds to the request at block 408 by generating and returning web page coding that causes a transaction display object to be displayed on the user computing device within the web page. The transaction display object can include a second control that is selectable by the user such that the user can complete the purchase transaction without navigating away from the web page. In certain embodiments, the second control includes an instant checkout option. The second control can include at least one additional checkout option. For example, the at least one additional checkout option can allow the user to review and confirm information relating to the transaction before completing the transaction. The at least one additional checkout option can be the quick checkout option described above with respect to
In certain embodiments, the transaction display object is at least partially displayed within an overlay display object. In certain embodiments, as described in greater detail with respect to
The process 400 can further include processing a user authentication object received from the computing device of the user. The user authentication object may be based on a first authentication input and the generating and returning the web page coding at block 408 can be based at least in part on the processing of the user authentication object. The process 400 can further include processing a secondary authentication input which can be input by the user into the transaction display object such that whether the user can complete the electronic transaction using the second control is based at least in part on the processing of the secondary authentication input. In certain embodiments, the secondary authentication input includes a personal identification number. The secondary authentication input can be used for multiple checkout sessions without being reset.
At operational block 502, the process includes receiving information related to an electronic purchase transaction from a user who is registered with the payment service, the electronic purchase transaction to be performed on a web page of a merchant. The web page of the merchant is configured to allow a user to initiate the electronic transaction. The process includes generating and returning web page coding at operational block 504 that causes a transaction display object to be displayed on a user computing device within the web page, the transaction display object includes a control that is selectable by the user such that the user can complete the purchase transaction without navigating away from the web page. At operational block 506, the process includes collecting payment for the electronic purchase transaction on behalf of the merchant.
As described herein, the transaction display object can displayed in an overlay display object in some embodiments. In certain embodiments, and as described herein, the web page includes a main portion defined by a first document and a nested portion defined by a second document, the second document served at least in part by a server of the payment service, the transaction display object displayed at least in part within the nested portion.
The process 500 can further include receiving a user authentication object from the computing device of the user. The user authentication object may be one of the user authentication objects described herein, or another user authentication object. The user authentication object can be based on a first authentication input the processing the electronic transaction based at least in part on the first authentication input. The process 500 can further include receiving a secondary authentication input into the transaction display object and wherein the processing the electronic transaction is based at least in part on the secondary authentication input. As described herein, the secondary authentication input may include a secondary PIN.
Each of the processes and algorithms described above may be embodied in, and fully automated by, code modules executed by one or more computers or computer processors. The code modules may be stored on any type of computer-readable medium or computer storage device. The processes and algorithms may also be implemented partially or wholly in application-specific circuitry. The results of the disclosed processes and process blocks may be stored, persistently or otherwise, in any type of computer storage.
For purposes of illustration, the processes are described primarily in the context of a system that processes payments for purchase transactions from a web page of a merchant web site. As will be apparent, however, the disclosed processes can also be used in other types of systems, and can be used for other purposes or in other contexts. For example, the disclosed processes can be used to provide third party authentication for non-payment related transactions. In certain embodiments, the disclosed processes can be used to authenticate subscribers who are registered with service providers, such as, for example, media service providers. In one embodiment, the disclosed processes can be used to provide processing and authentication of electronic vote tallying or survey information on behalf of another party. Further, the processes may be used to process payments from a web page other than a web page of the merchant from which a purchase is being made. For example, in one embodiment, the processes can be used to allow a user to purchase items from a merchant which are available for purchase (e.g., through advertisements) on another web site, such as a web log (or “blog”). In addition, the disclosed processes can also be implemented in other types of interactive systems that enable users to conduct transactions using documents accessed over a network.
The various features and processes described above may be used independently of one another, or may be combined in various ways. All possible combinations and sub-combinations are intended to fall within the scope of this disclosure. In addition, certain method or process steps may be omitted in some implementations.
Conditional language, such as, among others, “can,” “could,” “might,” or “may,” unless specifically stated otherwise, or otherwise understood within the context as used, is generally intended to convey that certain embodiments include, while other embodiments do not include, certain features, elements and/or steps. Thus, such conditional language is not generally intended to imply that features, elements and/or steps are in any way required for one or more embodiments or that one or more embodiments necessarily include logic for deciding, with or without user input or prompting, whether these features, elements and/or steps are included or are to be performed in any particular embodiment.
Although this disclosure has been described in terms of certain example embodiments and applications, other embodiments and applications that are apparent to those of ordinary skill in the art, including embodiments and applications that do not provide all of the benefits described herein, are also within the scope of this disclosure. The scope of the inventions is defined only by the claims, which are intended to be construed without reference to any definitions that may be explicitly or implicitly included in any of the incorporated-by-reference materials.
This application is a continuation of U.S. application Ser. No. 12/265,554, filed Nov. 5, 2008 which claims the benefit of priority from U.S. Provisional Application No. 61/082,813, filed Jul. 22, 2008, which is incorporated in its entirety by reference herein.
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Number | Date | Country | |
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Number | Date | Country | |
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Parent | 12265554 | Nov 2008 | US |
Child | 15078958 | US |