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Patent # Description
US-9,621,264 Bi-directional tap-monitor for optical add-drop photonic chip
A bidirectional optical tap-monitor is described for detecting an optical signal power carried by a through waveguide. The tap-monitor comprises a tap waveguide...
US-9,621,252 Method and apparatus for selecting an application of a device having an NFC interface
The present invention describes a method to select an application on a first device having an NFC interface and comprising a plurality of applications using the...
US-9,621,251 Method and apparatus for implementing space time processing
A method and apparatus for implementing spatial processing with unequal modulation and coding schemes (MCSs) or stream-dependent MCSs are disclosed. Input data...
US-9,621,245 Facilitating switching between transmitting antennas in portable electronic devices
The disclosed embodiments provide a system that uses a first antenna and a second antenna in a portable electronic device. During operation, the system receives...
US-9,621,215 Mobile electronic devices and methods of protection from shock, radiation and environmental particulates
Example methods, apparatus, systems, and computer-readable storage media are provided to monitor a mobile device. An example method includes determining whether...
US-9,621,210 Communication device
A communication device includes a main circuit board, a cable, and an active antenna device. The cable is configured to deliver both a DC (Direct Current)...
US-9,621,204 Apparatus and method for burst signal detection
An apparatus and method for detecting a burst signal. The apparatus includes circuitry that concatenates a predetermined number of samples and transmits the...
US-9,621,193 Microcode data recovery strategies for use of iterative decode
Various embodiments for data error recovery in a tape storage system, by a processor device, are provided. In one embodiment, a method comprises, in a tape...
US-9,621,184 .DELTA..SIGMA. D/A converter, signal processing circuit including the same, and electronic apparatus
A .DELTA..SIGMA. D/A converter for converting a digital input data to an analog output signal, includes: a .DELTA..SIGMA. modulator configured to generate a...
US-9,621,178 Clock authentication circuitry for clock signals
Embodiments of clock authentication circuitry (CAC) are generally described herein. The CAC may comprise a compression component, such as a logic gate, to...
US-9,621,156 Analog switches and methods for controlling analog switches
An analog switch may be maintained reliably in an off state. The switch comprises: a P-type first transistor having a source, a drain and a gate, a N-type...
US-9,621,151 Semiconductor device and electric power control apparatus
A driver IC includes a ring-shaped termination area, and a first area and a second area that are respectively arranged outside and inside the termination area...
US-9,621,145 Sense amplifier latch with offset correction
A method and device for input offset cancellation utilizing a latched comparator that is configurable as a linear amplifier capable of sampling and cancelling...
US-9,621,144 Clock gated flip-flop
Aspects of the disclosure provide a data storage circuit. The data storage circuit includes a first latch, a second latch, and a clock gating and buffer...
US-9,621,141 Micro-pipeline frequency-comparison circuit
In an integrated circuit, a resettable data latch and a second resettable data latch at ends of a pipeline in a frequency-comparison circuit receive input...
US-9,621,127 Elastic wave device with a bump defining a shield and manufacturing method thereof
In an elastic wave device, a first electrode structure and a second electrode structure are provided on a piezoelectric substrate, first and second elastic wave...
US-9,621,118 Compression control through power amplifier voltage adjustment
Compression control through power amplifier voltage adjustment. A power amplifier module can include a power amplifier including a cascode transistor pair. The...
US-9,621,112 Sense amplifier
A sense amplifier measures a state of a memory cell coupled to a sense node. The sense amplifier receives a control signal to enable the sense amplifier. The...
US-9,621,099 Method for switching between a full winding mode and a half winding mode in a three-phase machine
A method for controlling switching between a full winding control mode and a half winding control mode for a multi-phase electric machine. The machine includes...
US-9,621,092 Induction motor control apparatus and induction motor control method
An induction motor control apparatus controls an induction motor connected to drive wheels by setting a motor torque command value on the basis of vehicle...
US-9,621,079 Construction machine
A construction machine includes: a swing structure; an electric motor that drives the swing structure; an operating device that outputs an operating signal...
US-9,621,072 Method for operating a multi-phase modular multi-level power converter
A method for operating a multi-phase modular power inverter having DC input terminals and AC phase voltage output terminals connected to a load, phase modules...
US-9,621,070 Power supply with multiple converters and averaged feedforward control
A power supply includes power modules. Each of the power modules includes an input stage and an output stage. The input stage generates an intermediate voltage,...
US-9,621,069 Rectifier with voltage detection and controllable output path
The rectifier includes two input paths configured to receive an alternating input voltage and two output paths configured to provide a direct output voltage. A...
US-9,621,068 Load driving circuit and method thereof
In one embodiment, a method of driving a load can include: monitoring an AC input to a rectifier circuit in real-time, where the rectifier circuit can include...
US-9,621,067 Hybrid power supply device of air-conditioner
A hybrid power supply device of an air-conditioner for supplying multiple electric power sources to a DC rail of an inverter of a DC brushless motor of the...
US-9,621,066 Master/slave control system of AC/DC power supply
A master/slave control system of an AC/DC power supply includes a master device. The master device is able to supply AC and DC power. The master device is...
US-9,621,065 Power device including a frequency dependent reactive device
An energy efficient apparatus includes a switching device, a frequency dependent reactive device, and a control element is provided. The switching device is...
US-9,621,064 Arc quenching circuit for a power supply in a plasma generator
In a voltage-type DC power supply provided with an inverter, current supply from the inverter to the load side is suppressed when arc is generated. DC output...
US-9,621,063 Reference current generation in bidirectional power converter
A power converter can be controlled to generate a target output power based on a reactive power reference and an active power reference. The control process may...
US-9,621,062 Dimmer output emulation with non-zero glue voltage
An apparatus may include a dimmer output voltage emulator for causing a power converter interface circuit to draw current from a capacitor in the power...
US-9,621,061 Power supply apparatus and image forming apparatus
The power supply apparatus for obtaining a direct current from an alternating voltage source includes a first DC/DC converter for outputting a first direct...
US-9,621,060 Self-excited power conversion circuit for secondary side control output power
A self-excited power conversion circuit for secondary side control output power includes a comparator unit and a transistor installed directly in a secondary...
US-9,621,059 Method for controlling a SMPC having a synchronous rectification switch, a SMPC and a controller therefor
A controller for a switched mode power converter is disclosed, the switched mode power converter comprising a transformer defining a primary side circuit and a...
US-9,621,058 Reducing switching losses associated with a synchronous rectification MOSFET
A synchronous rectifier is described that includes a transistor device that has a gate terminal, a source terminal, a drain terminal, and a field-plate...
US-9,621,057 Single-stage power supply with power factor correction and constant current output
A switched mode power converter includes a switch, an energy transfer element coupled to the switch, and a controller that includes a delayed ramp generator...
US-9,621,056 Method of controlling phase-shift full-bridge converter in light load operation
A method of controlling a phase-shift full-bridge (PSFB) converter in a light load operation is provided to switch control modes of the PSFB converter by...
US-9,621,055 Controller with leakage current protection of a diode and operation method thereof
A controller with leakage current protection of a diode includes a comparison unit, a reference voltage generation unit, a time out signal generation unit, and...
US-9,621,054 Power supply circuit, electronic processing apparatus, and power supply method
A power supply circuit includes: an environment detecting circuit which detects an installation environment; and a voltage control circuit which makes a report...
US-9,621,053 Peak power control technique for primary side controller operation in continuous conduction mode
A power converter includes a primary side controller configured to operate the power converter in the discontinuous conduction mode during low to mid-power...
US-9,621,052 Switched mode power supply and method of operating a switched mode power supply
A switched mode power supply comprises a switched mode converter (12) and a controller for controlling the switched mode converter, wherein the switched mode...
US-9,621,051 Control modes for resonant DC-to-DC-converter
An electrical power converter comprises an inverter with semiconductor switches, a resonant circuit coupled with the inverter, and a controller for switching...
US-9,621,050 Storage time control
A switch mode power converter (SMPC) includes a switching control system to control the turn off time delay of a switching device. The SMPC also has an...
US-9,621,049 Feedback device for a power supply
The present invention relates to a feedback device for a power supply, including a main feedback module, an auxiliary feedback module and a feedback control...
US-9,621,048 Switching power-supply circuit
A switching power-supply circuit includes a second rectifying/smoothing circuit arranged to generate a second output voltage by rectifying and smoothing the...
US-9,621,047 Systems and methods for measuring power system current using OR-ing MOSFETs
In accordance with embodiments of the present disclosure, a power supply unit may include one or more stages including an output stage configured to generate a...
US-9,621,046 Power converter for driving a switch based on current command and current flowing therein
In a power converter, a reference signal generator generates a reference signal with a predetermined period. A current detector detects a current flowing in the...
US-9,621,045 Multiphase regulator with self-test
A multiphase regulator includes a plurality of output phases, each operable to deliver a phase current through a separate inductor to a load connected to the...
US-9,621,044 Zero voltage soft switching scheme for power converters
A control scheme and architecture for a power conversion circuit employs two bidirectional switches and a zero voltage switching (ZVS) scheme for the high-side...
US-9,621,043 Versatile current sensor for switching regulator
A preferred implementation of a switching converter with a versatile current sensor is achieved, by adding an integrator for instant sense current in the...
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