U.S. patent application Ser. No. 17/325,503, filed May 20, 2021, entitled “Camera and Mount” by inventors Celia Law, Chun Long Goh, Peng Lip Goh, Deeder M. Aurongzeb, and Wai Mun Lee, describes exemplary methods and systems and is incorporated by reference in its entirety.
U.S. patent application Ser. No. 17/325,501, filed May 20, 2021, entitled “Camera and Lens Cap” by inventors Celia Law, Chun Long Goh, Peng Lip Goh, Deeder M. Aurongzeb, and Wai Mun Lee, describes exemplary methods and systems and is incorporated by reference in its entirety.
U.S. patent application Ser. No. 17/325,508, filed May 20, 2021, entitled “Cylindrical Camera Thermal Shield” by inventors Peng Lip Goh, Celia Law, and Deeder M. Aurongzeb, describes exemplary methods and systems and is incorporated by reference in its entirety.
U.S. patent application Ser. No. 17/325,518, filed May 20, 2021, entitled “Cylindrical Camera and Integrated Support” by inventors Peng Lip Goh, Celia Law, and Deeder M. Aurongzeb, describes exemplary methods and systems and is incorporated by reference in its entirety.
The present invention relates in general to the field of information handling system peripheral devices, and more particularly to an information handling system camera stand with integrated tilt hinge.
As the value and use of information continues to increase, individuals and businesses seek additional ways to process and store information. One option available to users is information handling systems. An information handling system generally processes, compiles, stores, and/or communicates information or data for business, personal, or other purposes thereby allowing users to take advantage of the value of the information. Because technology and information handling needs and requirements vary between different users or applications, information handling systems may also vary regarding what information is handled, how the information is handled, how much information is processed, stored, or communicated, and how quickly and efficiently the information may be processed, stored, or communicated. The variations in information handling systems allow for information handling systems to be general or configured for a specific user or specific use such as financial transaction processing, airline reservations, enterprise data storage, or global communications. In addition, information handling systems may include a variety of hardware and software components that may be configured to process, store, and communicate information and may include one or more computer systems, data storage systems, and networking systems.
Information handling systems often interact with peripheral devices, such keyboards, mice and cameras. Cameras are typically used to support videoconferences in which visual images captured by cameras are exchanged so that end users can communicate while viewing each other. Typically, videoconferences are performed with cameras that have relatively low resolution. The use of low resolution is driven in part by the amount of bandwidth consumed by communication of video information. In addition, low resolution is driven by the footprint of typical Web cameras, which generally do not have the size to support high quality lenses. For example, cameras integrated in portable information handling systems tend to have a restricted focal length due to the thickness of typical portable information handling system housings. Peripheral Web cameras typically have a larger footprint so that higher quality lenses may be included that capture higher resolution visual images than integrated cameras. Generally, even with larger housing footprints, Web cameras tend to limit resolution to High Definition visual images as Ultra High Definition or 4K cameras have large bandwidth demands.
Recently, enterprises have experienced an increased reliance on videoconferences to interact internally between employees and externally with customers and vendors. Although lower resolution Web cameras are sufficient for many daily uses, in many situations, higher quality video images are desired. For instance, in conferences that involve senior executives or high government officials, higher resolution video images are generally desired. Often, such high level conferences are done from large conferences rooms and involve a number of participants. Generally, high resolution cameras with high quality lenses offer a number of advantages in such scenarios. One advantage is that greater focal length will allow one camera to provide high quality video images at different ranges through zoom functionality. Another advantage is that higher resolution offers greater flexibility for digital zoom, pan and tilt functions, such as by cropping an image to capture a participant with a close-up view. Some videoconference participants have resorted to professional DSLR or equivalent cameras set up as peripheral devices to improve the video conference experience. One difficulty with the use of such specialized and expensive equipment is that setting up a videoconference and using the equipment tends to take a good deal of expertise and extra time compared with conventional Web cameras.
In addition to increased complexity and setup time, another difficulty that can arise with attempts to use high end camera equipment for videoconferences is the security of the video conference. Typically, more expensive camera lenses come with lens covers designed to protect against scratches or other damage to the lenses. However, when used as a Web camera that interfaces with an information handling system, another important consideration is security at the camera so that an unauthorized user does not obtain access to visual images at a location. In many integrated cameras and lower resolution cameras, a shutter is included that slides across the camera lens to prevent unauthorized capture of visual images. Integrated shutters generally are not common in high end cameras due to the larger and more expensive lens structures. Separate lens covers tend to get lost or misplaced and increase the hassle factor of using a high end camera.
Another difficulty that can arise with attempts to use high end camera equipment is that very important video conferences involving enterprise executives and high government officials will often involve multiple speakers at multiple locations. In such situations, technicians may have to relocate cameras around a conference room to accommodate different speakers. Peripheral cameras tend to have a variety of different types of brackets and stands that are not compatible across different vendors or even for a vendor with different camera models. Often, brackets and stands couple to a peripheral camera with a threaded member that couples to threads disposed in an opening of the camera. Even after a peripheral camera is removed from a bracket and coupled to another bracket, the orientation and focus of the camera typically has to be adjusted to capture a desired field of view. Conventional peripheral camera brackets and stands are often time consuming to move and adjust so that technicians have difficulty doing so in a timely manner during an active video conference. Moreover, the technicians can become a distraction to an ongoing video conference as they adjust camera positions and fields of view. In addition, brackets and stands for holding cameras tend to include unsightly hinges for manipulation of camera tilt and pan that detract from a professional appearance generally expected at top level conferences.
Therefore, a need has arisen for a system and method which couples a camera lens cap and/or stand to a camera with magnetic attraction.
In accordance with the present invention, a system and method are provided which substantially reduce the disadvantages and problems associated with previous methods and systems for coupling a lens cap and/or stand to a camera. A camera integrates a magnet in an opening of a bottom surface that accepts a stand member having a ferromagnetic material so that magnetic attraction couples the camera to the stand, such as bracket for coupling to a display and/or a tripod. A lens cap couples to a front face of the camera over a lens by magnetic attraction of one or more magnets integrated in the camera front face and ferromagnetic material integrated in the lens cap.
More specifically, an information handling system processes information with a processor and memory and presents the information as visual images at a peripheral display. For example, the processor executes a videoconferencing application that accepts visual images captured at a peripheral camera for communication through a network. The peripheral camera includes a lens and sensor disposed in a cylindrical housing that directs light to a light sensor for conversion to visual images, such as an Ultra High Definition 4K visual image. The camera cylindrical housing couples to a stand with a magnet disposed in an opening at the bottom surface and ferromagnetic material, such as steel, integrated in a stand member that inserts into the opening. The stand member couples to a bracket that clips over a top surface of the peripheral display and also couples to a tripod that rests on a desktop surface between the peripheral display and an end user participating in the videoconference. Magnets disposed at a front and rear face of the cylindrical housing couple to a lens cap having an integrated ferromagnetic material, such as a steel plate. The lens cap protects the lens when coupled over the front face and provides security against unauthorized video image capture. During use of the camera, the lens cap is removed and magnetically coupled to the rear face for storage. In one example embodiment, sensors disposed in the camera detect the lens cap to manage power at the camera. In another example embodiment, electropermanent magnets are used that have on and off magnetic attraction states to aid in removing the lens cap and stand and to aid in more stable coupling by applying magnetic attraction when placement of the stand member and/or lens cap is detected in proximity to ferromagnetic material.
The present invention provides a number of important technical advantages. One example of an important technical advantage is that a cylindrical camera housing configured to hold high a quality lens and UHD sensor is securely coupled to a stand with magnetic attraction. The stand extends a stand member into an opening at the bottom of the cylindrical housing and holds the stand member in place with magnetic attraction to allow rapid and simple selection of different types of stands, such as display bracket or a tripod. Another example of an advantage is that a lens cap fits over a lens of the camera through magnetic attraction, such as with a magnet disposed at the camera front face and a ferromagnetic plate integrated in the lens cap. The degree of magnetic attraction may be adjusted, such as by changing the magnetic state of an electropermanent magnet, to provide more gradual coupling and release of the stand member and lens cap. Camera security may be enhanced by tying power application at the camera to sense presence of the lens cap at the front face. In one embodiment, a logo on the lens cap couples with an upright orientation based upon magnetic pole orientation of magnets in the lens cap and the camera. In another embodiment, a camera tilt hinge is integrated in stand to provide tilt functionality with the tilt hinge out of sight.
The present invention may be better understood, and its numerous objects, features and advantages made apparent to those skilled in the art by referencing the accompanying drawings. The use of the same reference number throughout the several figures designates a like or similar element.
A camera in a cylindrical shaped housing interfaces with an information handling system to support videoconferencing and couples a bracket, a tripod and/or a lens cap with magnetic attraction. For purposes of this disclosure, an information handling system may include any instrumentality or aggregate of instrumentalities operable to compute, classify, process, transmit, receive, retrieve, originate, switch, store, display, manifest, detect, record, reproduce, handle, or utilize any form of information, intelligence, or data for business, scientific, control, or other purposes. For example, an information handling system may be a personal computer, a network storage device, or any other suitable device and may vary in size, shape, performance, functionality, and price. The information handling system may include random access memory (RAM), one or more processing resources such as a central processing unit (CPU) or hardware or software control logic, ROM, and/or other types of nonvolatile memory. Additional components of the information handling system may include one or more disk drives, one or more network ports for communicating with external devices as well as various input and output (I/O) devices, such as a keyboard, a mouse, and a video display. The information handling system may also include one or more buses operable to transmit communications between the various hardware components.
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GPU 20 interfaces through a display port 32 and display cable 42 with a display 34 that presents information as visual images, such as by scanning pixel values to a display panel having rows and columns of pixels. In the example embodiment, a first peripheral camera 36 is illustrated in two different positions relative to display 34. A bracket 38 couples camera 36 to an upper side of display 34 to capture visual images of an end user viewing display 34. A second peripheral camera 36 rests on a tripod 40 to capture visual images of an end user viewing the display from a location in between the end user and the display. Multiple viewing locations for camera 36 provides an end user with increased flexibility regarding the quality of a visual image captured by camera 34. As is described below in greater detail, camera 36 may selectively detach and attach from each of bracket 38 and tripod 40. Camera 36 captures visual images and communicates the visual images through a USB cable 30 and to a USB port 28 for use by information handling system 10, such as to support a videoconference. In the example embodiment, a camera manager 26, such as driver of operating system 24, provides a camera interface 27 for presentation at display 34 to manage camera settings and present visual images captured by camera 36.
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In the example embodiment, a sensor 90 disposed near ferromagnetic material 86 of the stand member, rear face and front face detects proximity of the permanent magnet 88 to report the proximity to processing resource 50. For example, sensor 90 is a Hall sensor or a magnetic switch. In one example embodiment, processing resource 50 applies detection of magnet proximity to switch the electropermanent magnet from a low to a high magnetic attraction. For example, attraction of the permanent magnet 88 to ferromagnetic material 86 of lens cap 82 indicates placement of the lens cap on the front face of the camera. By switching the electropermanent magnet to high magnetic attraction after placement of the lens cap, such as with a one second delay, a secure magnetic coupling of lens cap 82 is accomplished without an undue slapping force because the higher magnetic state is not turned on until lens cap 82 is in proximity. A similar controlled magnetic coupling is accomplished at the stand member.
Sensing of magnet proximity may also help with camera security and with removal of lens cap 82 when an end user is preparing the camera for use. For instance, while sensor 90 senses that lens cap 82 covers the camera lens, the camera may disable image capture for improved security. When the lens cap is removed, the user may receive a displayed message regarding camera security as the camera is placed to an on state. Alternatively, when lens cap 82 is in place and an end user powers the camera on, the electropermanent magnet may be flipped to a low magnetic state so that the end user can remove the lens cap with less forces, thereby avoiding prying that might damage the camera. An end user may be given an option to control the electropermanent magnet state from a camera user interface, such as by selection of a disassembly state that puts the stand member electropermanent magnet in a low magnetic state. In one embodiment, the camera may flip all electropermanent magnets to a high state as part of a power down. Alternatively, sensor 90 may include a magnetic switch that temporarily applies power when a proximate magnet is detected so that a high magnetic attraction state may be commanded.
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Although the present invention has been described in detail, it should be understood that various changes, substitutions and alterations can be made hereto without departing from the spirit and scope of the invention as defined by the appended claims.
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