Abstract: In accordance with aspects of the present invention, a first wireless power enabled device includes a transceiver and control logic. The transceiver includes a plurality of switches coupled in a full-bridge configuration with a resonant tank circuit. The control logic is configured to detect a presence of a second wireless power enabled device, establish a trusted relationship with the second wireless power enabled device, determine an operating mode of the first wireless power enabled device selected from a transmit mode or a receive mode, and drive the plurality of switches to operate the resonant tank circuit in the determined operating mode. The first wireless power enabled device may further include a memory that stores a copy of a first key associated with the first wireless power enabled device and a copy of a second key associated with the second wireless power enabled device.

Abstract: An electronic lock that interacts with a mobile device is presented. In accordance with some embodiments, an electronic lock includes a wireless power receiver configured to receiver power from a mobile device; a processor coupled to receive power from the wireless power receiver; a memory coupled to the processor and to receive power from the wireless power receiver; a communication unit coupled to the processor and to receive power from the wireless power receiver, the communication unit configured to communicate with the mobile device; and an actuator coupled to the processor and to receive power from the wireless power receiver. The processor executes instructions stored in a memory for authenticating the mobile device, and providing signals to the actuator according to instructions received from the mobile device once it is authenticated. The mobile device provides power to the electronic lock and instructs it to lock or unlock a locking mechanism.

Abstract: An electronic lock that interacts with a mobile device is presented. In accordance with some embodiments, an electronic lock includes a wireless power receiver configured to receiver power from a mobile device; a processor coupled to receive power from the wireless power receiver; a memory coupled to the processor and to receive power from the wireless power receiver; a communication unit coupled to the processor and to receive power from the wireless power receiver, the communication unit configured to communicate with the mobile device; and an actuator coupled to the processor and to receive power from the wireless power receiver. The processor executes instructions stored in a memory for authenticating the mobile device, and providing signals to the actuator according to instructions received from the mobile device once it is authenticated. The mobile device provides power to the electronic lock and instructs it to lock or unlock a locking mechanism.

Abstract: An electronic lock that interacts with a mobile device is presented. In accordance with some embodiments, an electronic lock includes a wireless power receiver configured to receiver power from a mobile device; a processor coupled to receive power from the wireless power receiver; a memory coupled to the processor and to receive power from the wireless power receiver; a communication unit coupled to the processor and to receive power from the wireless power receiver, the communication unit configured to communicate with the mobile device; and an actuator coupled to the processor and to receive power from the wireless power receiver. The processor executes instructions stored in a memory for authenticating the mobile device, and providing signals to the actuator according to instructions received from the mobile device once it is authenticated. The mobile device provides power to the electronic lock and instructs it to lock or unlock a locking mechanism.

Abstract: A passive sensor unit that is powered wirelessly and communicates with a reader unit that powers the pass sensor unit is presented. In some embodiments, a passive sensor unit includes a sensor; a receive coil; a circuit coupled to the sensor, the circuit configured to receive sensor data from the sensor; and a wireless power circuit configured to receive power from the receive coil and configured to provide power to the circuit. The pass sensor unit is unpowered except proximate to the reader unit. A sensor system can include one or more passive sensor units, each of the one or more passive sensors configured to receive wireless power from a receiver coil and communicate data through the receiver coil; and one or more reader units, each of the one or more receiver units configured to supply power and communicate with a set of the one or more passive sensor units.

Abstract: A wireless power receiver may include a receive coil configured to generate an AC power signal responsive to wireless power transfer from a wireless power transmitter, and control logic configured to detect misalignment of the receive coil and a transmit coil of the wireless power transmitter responsive to a determination of efficiency of wireless power transfer therebetween. A method for operating a wireless power receiver may include detecting misalignment between a receive coil and a transmit coil of a wireless power transmitter responsive to detecting monitoring a value indicative of efficiency of wireless power transfer between the wireless power transmitter and the wireless power receiver, and causing an indication to be provided to a user to assist with correcting the misalignment.

Abstract: An electronic lock that interacts with a mobile device is presented. In accordance with some embodiments, an electronic lock includes a wireless power receiver configured to receiver power from a mobile device; a processor coupled to receive power from the wireless power receiver; a memory coupled to the processor and to receive power from the wireless power receiver; a communication unit coupled to the processor and to receive power from the wireless power receiver, the communication unit configured to communicate with the mobile device; and an actuator coupled to the processor and to receive power from the wireless power receiver. The processor executes instructions stored in a memory for authenticating the mobile device, and providing signals to the actuator according to instructions received from the mobile device once it is authenticated. The mobile device provides power to the electronic lock and instructs it to lock or unlock a locking mechanism.

Abstract: A transmitter/receiver that includes a wireless power receiving mode and a data transmission mode. In the wireless power receiving mode, the transmitter/receiver receives wireless power through and coil and provides power to a load. In data transmission mode, the transmitter/receives drives the coil according to data to transmit data.

Abstract: In accordance with aspects of the present invention, a first wireless power enabled device includes a transceiver and control logic. The transceiver includes a plurality of switches coupled in a full-bridge configuration with a resonant tank circuit. The control logic is configured to detect a presence of a second wireless power enabled device, establish a trusted relationship with the second wireless power enabled device, determine an operating mode of the first wireless power enabled device selected from a transmit mode or a receive mode, and drive the plurality of switches to operate the resonant tank circuit in the determined operating mode.

Abstract: A transmitter/receiver that includes a wireless power receiving mode and a data transmission mode. In the wireless power receiving mode, the transmitter/receiver receives wireless power through and coil and provides power to a load. In data transmission mode, the transmitter/receives drives the coil according to data to transmit data.

Abstract: A wireless power receiver may include a receive coil configured to generate an AC power signal responsive to wireless power transfer from a wireless power transmitter, and control logic configured to detect misalignment of the receive coil and a transmit coil of the wireless power transmitter responsive to a determination of efficiency of wireless power transfer therebetween. A method for operating a wireless power receiver may include detecting misalignment between a receive coil and a transmit coil of a wireless power transmitter responsive to detecting monitoring a value indicative of efficiency of wireless power transfer between the wireless power transmitter and the wireless power receiver, and causing an indication to be provided to a user to assist with correcting the misalignment.

Abstract: High-Definition Multimedia Interface Specification, Version 1.2, supports multiple video formats. Currently the HDMI sources and sinks support multiple formats through reconfiguration of the system. The present invention describes the use of a configurable ‘n’בn’ data pixel mapping matrix for video format conversion. This mapping matrix allows the mapping of any existing video format to any other existing or future video format and allows flexibility of connectivity to any transmitter or receiver. Accordingly a more user friendly implementation that provides greater flexibility for development and use of new formats in video applications is shown.

Abstract: The present invention provides a method and mechanism for data recovery with phase synchronized clock using interpolator and timing loop module and a data latching circuit. The interpolator can be considered as a programmable delay circuit with a specified delay resolution over the clock period.

Abstract: The present invention provides a method and mechanism for adapting a single phase-locked loop (PLL) for a wider range of frequencies than has been possible with prior art solutions. An analog comparator circuit that senses the output of a charge pump and provides a signal to a digital control circuit to choose a suitable load circuit for the PLL voltage controlled oscillator (VCO). The analog comparator with the digital control circuit changes the VCO loads to select the best VCO range to achieve the incoming signal frequency lock. A single PLL with the VCO load selection method disclosed, with use of built-in hysteresis, in addition to the phase and frequency feedback of the prior art, allows multiple overlapping frequency ranges to be covered in a stable fashion. This enables frequency locking of the PLL over a wide range of frequencies with a small die size and low power consumption.

Abstract: Signaling and coding methods and apparatus for long-range 10 and 100 mbps Ethernet transmission. In accordance with the method, a physical layer (PHY) device is provided that includes the long-range capabilities. In operation, the PHY measures the distance to a companion PHY, and if it is within the specification limits, communicates with the companion device in the normal way. If the distance is above the specification limits, the PHY checks to see if the companion PHY is similarly enabled, and if so, switches to a long-range signaling method. In a preferred embodiment, NRZ coding with pre-emphasis on the first bit of two or more bits of the same value is used for a first range exceeding the specification limit, and PAM4 coding is used for a second range exceeding the first range. Various embodiments are disclosed.

Abstract: The present invention provides a method and mechanism for data recovery with phase synchronized clock using interpolator and timing loop module and a data latching circuit. The interpolator can be considered as a programmable delay circuit with a specified delay resolution over the clock period.

Abstract: A versatile video pattern and audio pattern generation module, that can be integrated onto a video integrated circuit (IC) to generate functional video test input data, in HDMI format, for gray bars, color bars and moving bar data patterns, and to further generate single-tone audio signals, is disclosed. This video signal generator can be made part of the built-in-self test (BIST) to allow simplified testing of the IC. The signals generated can be used to test the video and audio functionality, as well as enabling a system to be demonstrated in the field. The output of the generator during the demonstration can be displayed using any suitable video display enabling simplified demonstration set-up. These video and audio signals can bemused as a diagnostic tool by the consumer and also for debugging the IC and system as may be necessary.

Abstract: The present invention provides a method and mechanism for adapting a single phase-locked loop (PLL) for a wider range of frequencies than has been possible with prior art solutions. An analog comparator circuit that senses the output of the charge pump voltage and provides an signal to a control circuit to choose a suitable load circuit for the PLL voltage controlled oscillator (VCO). This analog comparator with the digital control circuit is used to cause a change in the VCO loads, from a multiplicity of loads, and select the best VCO range to achieve the incoming signal frequency lock. The use of a single PLL with the analog comparator output to control the VCO load selection, in addition to the phase and frequency feedback of the prior art, allows multiple overlapping frequency ranges of the multiple tunable loads of the VCO to be covered with one PLL. This reduces the die size and power consumption compared to a circuit implementation using the standard PLL for the wider frequency range of operation.

Abstract: High-Definition Multimedia Interface Specification, Version 1.2, supports multiple video formats. Currently the HDMI sources and sinks support multiple formats through reconfiguration of the system. The present invention describes the use of a configurable ‘n’בn’ data pixel mapping matrix for video format conversion. This mapping matrix allows the mapping of any existing video format to any other existing or future video format and allows flexibility of connectivity to any transmitter or receiver. Accordingly a more user friendly implementation that provides greater flexibility for development and use of new formats in video applications is shown.

Abstract: High Definition Multimedia Interface (HDMI) receivers use digital multiplexer at the input stage after equalization, clock and data recovery for each channel of each port. Described herein is the use of an analog multiplexer for HDMI receiver. The purpose of the analog multiplexer is to reduce the die size and power consumption by selecting the input signal from one port out of a set of input ports, right after the equalization and hence use only one block of clock and data recovery (CDR) circuits for the receiver. This sharing of one block of CDR circuits between all input ports requires the use of analog multiplexer circuits, as the signals presented to the analog multiplexer after equalization are of low signal strength and have insufficient signal-to-noise ratio to allow handling by digital multiplexer circuitry.