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…
Capacitive touch sensors
Granted: January 20, 2015
Patent Number:
8937611
A touch data set is acquired via signals from each sensing node in a capacitive sensor array having a plurality of sensing nodes. Touch presence and location on the capacitive sensor array is determined from the touch data set. In subsequent sampling periods while presence of a touch continues to be detected, touch data sets may be acquired from respective subsets of the sensing nodes, each subset being located at and adjacent to the touch location determined in the preceding sampling…
Systems and methods for communication with a smart power meter over optical fiber
Granted: January 13, 2015
Patent Number:
8933816
A system and method for facilitating smart power meter monitoring are provided. The system for facilitating smart power meter monitoring includes a standards-based frame detector, a CDR, at least one 8b/10 encoder/decoder and data links to receive input signals and transmit output signals. The system provides for the conversion of incoming SerDes signals, like those that may be transmitted from an optical module, into UART signals that can be communicated to the smart power meter…
Conference endpoint controlling functions of a remote device
Granted: January 13, 2015
Patent Number:
8934382
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…
Conference endpoint instructing a remote device to establish a new connection
Granted: January 13, 2015
Patent Number:
8934381
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…
Pulse- or frame-based communication using active stylus
Granted: January 13, 2015
Patent Number:
8933899
In one embodiment, a method includes receiving sensor data from one or more sensors in or on a stylus, the stylus including one or more electrodes and one or more computer-readable non-transitory storage media embodying logic for wirelessly transmitting signals to a device through a touch sensor of the device. The method includes generating a carrier signal and modulating the carrier signal to communicate the sensor data and wirelessly transmitting from the stylus to the device the…
Circuitry for current regulated, externally controlled LED driving
Granted: January 13, 2015
Patent Number:
8933640
A current driver circuit for regulating a light emitting diode (LED) is disclosed. An example driver circuit uses one input node of the driver circuit for controlling both maximum brightness and dimming of an LED coupled to an output node of the driver circuit. The driver circuit supplies a reference voltage (VREF) to its input node. A microcontroller is coupled through a resistor or other resistive component to the input node of the driver circuit and provides the input current, where…
Semiconductor package
Granted: January 13, 2015
Patent Number:
8933552
In one embodiment, a semiconductor package comprising a metal base coupled to one or more pins, a semiconductor body having a top side and a bottom side, the top side comprising an integrated circuit and one or more metal surfaces for coupling the integrated circuit to the one more pins with one or more bonding wires, the bottom side non-positively coupled to the metal base, a disk having a top area and a base area, the base area coupled to the top side of the semiconductor body and at…
Pulse width modulation based controller
Granted: January 6, 2015
Patent Number:
8928301
A control circuit adjusts the duty cycle of a PWM control signal. An analog processing component within the control circuit receives an analog feedback input signal and compares it to an analog reference signal to generate a pre-processed signal. A sigma-delta modulator within the analog processing component generates a quantized signal based on the pre-processed signal. A digital processing component stores a value. The controller then adjusts the duty cycle of the PWM signal to…
Differential sensing for capacitive touch sensors
Granted: January 6, 2015
Patent Number:
8928624
A first signal from a first sense line of a touch sensor is received. A second signal from a second of the touch sensor is received. The first signal is inverted. The inverted first signal and the second signal are summed to produce a differential signal. The differential signal is output to a touch sensor controller.
Pulse width modulation controller architectures
Granted: January 6, 2015
Patent Number:
8929110
Systems, apparatuses, and techniques for pulse width modulation (PWM) are described. A described system includes a circuit that contains an inductor and a transistor that controls current through the inductor based on a PWM signal to produce an output; and a controller to provide the PWM signal, which includes PWM cycles that include on-durations and off-durations. The controller can receive a first signal indicating an input voltage that is applied to the inductor, receive a second…
Transmitting-receiving apparatus
Granted: January 6, 2015
Patent Number:
8929264
In one embodiment, receiving a first radio frequency (RF) signal from a first node, generating a first digital data set by decoding the first received RF signal, determining whether a first address in the first digital data set is associated with at least one of a first radio network or a second radio network by comparing the first address to a first set of addresses associated with the first radio network and a second set of addresses associated with the second radio network, appending…
Method and apparatus for coordinating a wireless PAN network and a wireless LAN network
Granted: January 6, 2015
Patent Number:
8929350
A personal area network (PAN) devices use a wireless medium shared with a wireless local area network (WLAN). WLAN devices communicate using WLAN protocols and PAN devices communicate using PAN protocols, allowing for lower power transmissions over the wireless medium relative to transmissions over the WLAN. A PAN coordinator device obtains access to the wireless medium for the PAN devices by signalling a reservation of the medium by the PAN coordinator device, such that the other…
Method and system for improving establishing of a multimedia session
Granted: December 30, 2014
Patent Number:
8924464
Multimedia communication systems and methods are disclosed. An exemplary system comprises a server adapted to communicate with two or more multimedia endpoints; and a MCU adapted to communicate with the at least one server and the multimedia endpoints, wherein the server contains a module for instructing the multimedia endpoints to call a dial number for the MCU to establish a multimedia conference in response to a requested list of multimedia endpoints received from one of the…
Portable devices as videoconferencing peripherals
Granted: November 25, 2014
Patent Number:
8896651
A videoconferencing system has a videoconferencing unit that use portable devices as peripherals for the system. The portable devices obtain near-end audio and send the audio to the videoconferencing unit via a wireless connection. In turn, the videoconferencing unit sends the near-end audio from the loudest portable device along with near-end video to the far-end. The portable devices can control the videoconferencing unit and can initially establish the videoconference by connecting…
Method and system for transferring a conference between a mobile communication device and a conferencing terminal
Granted: November 11, 2014
Patent Number:
8885811
A conferencing system for an enterprise is disclosed. The conferencing system includes a management apparatus for managing conferencing resources in a premises. The management apparatus includes a communications link for communicating with a proximity announcing system, which indicates whether a portable communications device is near a conferencing device within the premises. The management apparatus can transmit a message to a proximate portable communication device indicating that a…
Speakerphone transmitting control information embedded in audio information through a conference bridge
Granted: November 11, 2014
Patent Number:
8885523
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 system for composing video images from a plurality of endpoints
Granted: November 11, 2014
Patent Number:
8885015
The present application discloses a method and apparatus for a multipoint video conferencing system that can offer a wide variety of layouts and the ability to support a large number of conferees. A received stream of NALs from a plurality of endpoints can be processed by an exemplary NAL Processor Module (NPM) and be arranged into a stream of NALs that are referred to in this disclosure as organized NALs (ONALs). Two or more streams of compressed video organized into ONALs can be…
Appearance matching for videoconferencing
Granted: November 11, 2014
Patent Number:
8885014
Methods and systems for presenting video images generated by multiple endpoints in a videoconference such that the displayed images have consistent appearance, for example consistent brightness levels are disclosed. Sampling methods and algorithms are used to calculate an appropriate amount of correction for each video image and the images are adjusted accordingly. Brightness correction may implement one or more brightness sampling and analyzing logical modules (BSAM) and one or more…
System and method for controlling videoconference with touch screen interface
Granted: October 28, 2014
Patent Number:
8872879
A videoconferencing system includes a touch screen display device and a videoconferencing unit. The display device displays video data for the videoconference and generates touch data based on user selections relative to the touch screen. The videoconferencing unit is operatively coupled to the touch screen device by a video connection and a data interface connection, for example. The unit establishes and conducts a videoconference with one or more endpoints via a network. The unit sends…
