Speakerphone and conference bridge which request and perform polling operations
Granted: March 10, 2015
Patent Number:
8976712
Disclosed herein are methods, systems, and devices for improved audio, video, and data conferencing. The present invention provides a conferencing system comprising a plurality of endpoints communicating data including audio data and control data according to a communication protocol. A local conference endpoint may control or be controlled by a remote conference endpoint. Data comprising control signals may be exchanged between the local endpoint and remote endpoint via various…
Removing a self image from a continuous presence video image
Granted: March 3, 2015
Patent Number:
8970657
Upon receiving a continuous presence video image, an endpoint of a videoconference may identify its self image and replace the self image with other video data, including an alternate video image from another endpoint or a background color. Embedded markers may be placed in a continuous presence video image corresponding to the endpoint. The embedded markers identify the location of the self image of the endpoint in the continuous presence video image. The embedded markers may be…
Reflective and refractive solutions to providing direct eye contact videoconferencing
Granted: March 3, 2015
Patent Number:
8970655
A videoconferencing unit for enhancing direct eye-contact between participants can include a curved fully reflective mirror to reflect the image of the near end to a camera. The curved mirror can be placed in front of the display screen near a location where images of faces/eyes of far end participants are to appear. In another example, the videoconferencing unit can include a disintegrated camera configuration that provides an air gap between a front lens element and a rear lens…
Conference endpoint instructing conference bridge to dial phone number
Granted: February 24, 2015
Patent Number:
8964604
Disclosed herein are methods, systems, and devices for improved audio, video, and data conferencing. The present invention provides a conferencing system comprising a plurality of endpoints communicating data including audio data and control data according to a communication protocol. A local conference endpoint may control or be controlled by a remote conference endpoint. Data comprising control signals may be exchanged between the local endpoint and remote endpoint via various…
Videoconferencing system using QR codes for interaction
Granted: February 24, 2015
Patent Number:
8963984
Quick Response barcodes (“QR Codes”) are used for videoconferencing between a peripheral device and a videoconferencing system, which can include a conferencing server and/or a videoconferencing unit. Conferencing related QR codes are embedded within video frames and are identified by either a peripheral device or a videoconferencing unit. Once identified, the device or unit acts according to the information provided by the QR code. The QR codes enables the peripheral device,…
Self-capacitance measurement with compensated capacitance
Granted: February 10, 2015
Patent Number:
8952927
In one embodiment, a method includes dividing a first amount of charge between a capacitance of a touch sensor and a compensation capacitor. The division of the first amount of charge results in a first voltage at an input node. The method also includes applying a reference voltage at the input node. The application of the reference voltage at the input node induces a second amount of charge proportional to a difference between the first voltage and the reference voltage on an…
Multi-channel driver equalizer
Granted: February 10, 2015
Patent Number:
8952623
The disclosed multi-channel driver equalizer circuit matches currents in multiple strings of illumination devices at low current levels by using an analog equalizer to sequentially couple the output of a reference amplifier in series with each current source amplifier in a current limit loop of the driver equalizer circuit to correct the offsets of the current source amplifiers, resulting in the matching of string currents on average.
Stylus
Granted: February 3, 2015
Patent Number:
8947404
A stylus may have a flat portion on a movable tip at one end for contact with a flat surface, or a stylus may have movable pins adjustable in response to contact pressure for use with a non-flat surface.
Conference endpoint controlling audio volume of a remote device
Granted: February 3, 2015
Patent Number:
8948059
Disclosed herein are methods, systems, and devices for improved audio, video, and data conferencing. The present invention provides a conferencing system comprising a plurality of endpoints communicating data including audio data and control data according to a communication protocol. A local conference endpoint may control or be controlled by a remote conference endpoint. Data comprising control signals may be exchanged between the local endpoint and remote endpoint via various…
Method and apparatus for combining speakerphone and video conference unit operations
Granted: February 3, 2015
Patent Number:
8947487
A High Speed Serial Bus connecting teleconference devices, such as video conference unit, speakerphone, external loudspeakers or microphones is disclosed. The disclosed embodiments enable the distributing and sharing of controls among the linked devices. They enable incremental upgrades or capacity increases of the teleconference system.
Line spacing in mesh designs for touch sensors
Granted: February 3, 2015
Patent Number:
8947391
In one embodiment, an apparatus includes a touch sensor that includes a mesh of conductive material configured to extend across a display that includes multiple pixels that each include sub-pixels and dead space. The mesh includes multiple first and second lines of conductive material. The first lines are substantially parallel to each other, and the second lines are substantially parallel to each other. Each of the sub-pixels includes a color element separated from adjacent sub-pixels…
Line spacing in mesh designs for touch sensors
Granted: February 3, 2015
Patent Number:
8947390
In one embodiment, an apparatus includes a touch sensor that includes a mesh of conductive material configured to extend across a display that includes multiple pixels that each include sub-pixels. The mesh includes multiple first and second lines of conductive material. The first lines are substantially parallel to each other, and the second lines are substantially parallel to each other. Each of the pixels has a first pixel pitch (PPx) along a first axis and a second pixel pitch (PPy)…
Inductive charging for active stylus
Granted: February 3, 2015
Patent Number:
8947379
In one embodiment, a stylus includes one or more electrodes and one or more computer-readable non-transitory storage media embodying logic for transmitting signals wirelessly to a device through a touch sensor of the device. The stylus also includes inductive-charging components in or on the stylus for charging or powering the stylus with electromagnetic radiation from inductive-charging components in or on the device. The inductive-charging components in or on the stylus may also charge…
Capacitive coupling of bond pads
Granted: February 3, 2015
Patent Number:
8947105
In one embodiment, a system includes a touch sensor comprising a first set of electrodes and a first set of bond pads electrically coupled to the first set of electrodes. The system also includes a second set of bond pads capacitively coupled to the first set of bond pads. Each bond pad of the second set of bond pads is coincident with a bond pad of the first set of bond pads. The system also includes a circuit electrically coupled to the second set of bond pads such that signals may be…
Two-layer sensor stack
Granted: February 3, 2015
Patent Number:
8946574
In one embodiment, an method apparatus includes an optically clear adhesive (OCA) layer between a cover sheet and a substrate. The substrate has drive or sense electrodes of a touch sensor disposed on a first surface and a second surface of the substrate. The first surface is opposite the second surface and the drive or sense electrodes are made of a conductive mesh of conductive material including metal.
Line spacing in mesh designs for touch sensors
Granted: February 3, 2015
Patent Number:
8943903
In one embodiment, an apparatus includes a touch sensor that includes a mesh of conductive material configured to extend across a display that includes multiple pixels that each include sub-pixels. The mesh includes multiple first and second lines of conductive material. The first lines are substantially parallel to each other, and the second lines are substantially parallel to each other. Each of the pixels has a first pixel pitch (PPx) along a first axis and a second pixel pitch (PPy)…
Complex adhesive boundaries for touch sensors
Granted: January 27, 2015
Patent Number:
8941014
In one embodiment, an apparatus includes a cover panel. The apparatus also includes a first optically clear adhesive (OCA) layer coupled to the cover panel. The apparatus also includes a substrate coupled to the first OCA layer. The substrate has drive or sense electrodes of a touch sensor disposed on a first side. The substrate also has a first connection pad region. The first connection pad region includes a first outer zone, a second outer zone, and a first connection pad zone. The…
Battery management and protection system using a module in a sleepwalking mode to monitor operational characteristics of a battery
Granted: January 27, 2015
Patent Number:
8943335
A battery management and protection system can include various features to improve safety-critical and other functions. Among the features that can be included in some implementations are automatic loading of safety or other parameters during start-up of the system; a centralized timekeeper and an event system that can trigger actions in the system independently of a central processing unit; use of the same modules for both automatically-controlled safety-related measurements and…
Operations using direct memory access
Granted: January 27, 2015
Patent Number:
8943238
A system includes a serial interface, a peripheral device coupled to the serial interface, non-volatile memory, and a DMA controller including multiple linked channels. The various channels can be configured in different modes to facilitate the DMA controller performing various operations, such as data transfer, with respect to the non-volatile memory or the peripheral device.
Circuit, use, and method for controlling a receiver circuit
Granted: January 27, 2015
Patent Number:
8942324
A circuit, use, and method for controlling a receiver circuit is provided, wherein a complex baseband signal is generated from a received signal, a phase difference between a phase of the complex baseband signal and a phase precalculated from previous sampled values is determined, the phase difference is compared with a first threshold, a number is determined by counting the exceedances of the first threshold by the phase difference, a number of the counted exceedances is compared with a…
