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Patent # Description
US-9,444,478 Voltage regulator with load compensation
A voltage regulation system provides a relatively stable voltage source without introducing the typical costs of a ground buffer. The disclosed voltage...
US-9,444,477 Quantum interference device, atomic oscillator, electronic apparatus, and moving object
An atomic oscillator includes a gas cell into which alkali metal atoms are sealed, a light emitting portion that emits excitation light including a pair of...
US-9,444,476 Atomic oscillator and interrogation method of coherent population trapping resonance
An atomic oscillator includes an alkali-metal cell in which alkali-metal atoms are enclosed, a light source which irradiates the atoms in the alkali-metal cell...
US-9,444,475 Oscillator device
An oscillator device comprises an oscillation circuit configured to generate and provide an oscillating signal. A first biasing circuit is configured to derive...
US-9,444,474 Crystal oscillator noise compensation method for a multi-loop PLL
A multi-loop phase locked loop (PLL) system with noise attenuation has a first PLL including a local oscillator, a second PLL coupled to an output of the first...
US-9,444,473 Increased synthesizer performance in carrier aggregation/multiple-input, multiple-output systems
Certain aspects of the present disclosure provide methods and apparatus for using multiple voltage-controlled oscillators (VCOs) to increase frequency...
US-9,444,472 Digitally controlled oscillator and electronic device including the same
Provided are a digitally controlled oscillator and an electronic device including the digitally controlled oscillator. The digitally controlled oscillator...
US-9,444,471 Phase detector and phase-locked loop
A phase detector for generating a phase difference signal indicative of a phase difference between a first bi-level signal of frequency F1 and a second bi-level...
US-9,444,470 Double phase-locked loop with frequency stabilization
A double phase-locked has a first phase-locked loop including a first narrowband loop filter configured to reduce phase noise in a first input clock, and a...
US-9,444,469 Locked-loop quiescence apparatus, systems, and methods
Apparatus, systems, and methods disclosed herein may initialize a delay-locked loop (DLL) or phase-locked loop (PLL) to achieve a locked condition and may then...
US-9,444,468 Oscillator devices and methods
Oscillator devices and corresponding methods are disclosed. In some embodiments an apparatus includes an oscillator circuit arrangement, a frequency variable...
US-9,444,467 Oscillator, electronic device and moving object
An oscillator includes an oscillation element; an oscillation circuit which causes the oscillation element to oscillate; a heat generation element which heats...
US-9,444,466 Method of adjusting frequency of resonation device and method of manufacturing resonation device
A method of adjusting a frequency of a resonation device including a resonator element and a heating element includes performing the frequency adjustment of the...
US-9,444,465 Low phase noise frequency divider
A low phase noise frequency divider suitable for use in phase locked loops (PLL) and frequency synthesizers, particular in a fractional-N PLL system having an N...
US-9,444,464 Compact ReRAM based FPGA
A push-pull resistive random access memory cell circuit includes an output node, a word line, a first bit line, and a second bit line. A first resistive random...
US-9,444,463 Voltage level shifter
A method for voltage level shifting comprises several steps. A data signal in a first voltage domain is received by a voltage level shifter. The received data...
US-9,444,462 Stabilization of output timing delay
An integrated circuit includes an output buffer and a control circuit. The output buffer has a signal input, a signal output, and a set of control inputs. The...
US-9,444,461 Universal input buffer
A universal input buffer has a pair of input pins. A first input of a multiplexer is coupled to the second input pin and a second input of the multiplexer...
US-9,444,460 Integrated circuits with programmable overdrive capabilities
Integrated circuits are provided with circuitry such as multiplexers that can be selectively configured to route different power supply voltages to different...
US-9,444,459 Logic circuit and semiconductor device
The logic circuit includes an input terminal, an output terminal, a main logic circuit portion that is electrically connected to the input terminal and the...
US-9,444,458 Semiconductor device including inverter gate circuit with connection configuration switch circuit switching...
According to one embodiment, a semiconductor device includes: an inverter gate circuit which inverts and outputs a logic level of an input signal, the inverter...
US-9,444,457 Circuit and method of driving the same
In order to reduce power consumption, an arithmetic circuit having a function of performing a logic operation processing based on an input signal, storing a...
US-9,444,456 Circuit and method for powering an integrated circuit having first and second power regulators respectively...
Power supply is facilitated. In accordance with one or more embodiments, a power regulator circuit includes first and second regulators and a controller for...
US-9,444,455 Load impedance adjustment for an interface of a data storage device
A data storage device includes a signal source. A load is responsive to the signal source. A method includes adjusting an impedance of the load to reduce an...
US-9,444,454 Dynamically reconfigurable capacitive sensor array
In a keyboard of the type including a key cap and a capacitive sensor disposed underneath the key cap, a method including operating the capacitive sensor in a...
US-9,444,453 Measuring body capacitance effect in touch sensitive device
Measuring an effect of body capacitance in a touch sensitive device is disclosed. This effect can be caused by poor grounding of a user or other objects...
US-9,444,452 Frequency hopping algorithm for capacitance sensing devices
Apparatuses and methods of frequency hopping algorithms are described. One method listens to a noise level on multiple electrodes of a sense network at multiple...
US-9,444,451 Switch circuit
Provided is a switch circuit capable of reliably controlling the transmission or interruption of a voltage of from GND to VDD to an internal circuit even when a...
US-9,444,450 Scan driving circuit
A scan driving circuit is disclosed, and the scan driving circuit has a pull-up control module, a pull-up module, a pull-down module, a pull-down maintaining...
US-9,444,449 Circuits, methods, and systems with optimized operation of double-base bipolar junction transistors
The present application teaches, inter alia, methods and circuits for operating a B-TRAN (double-base bidirectional bipolar junction transistor). Exemplary base...
US-9,444,448 High performance IGBT gate drive
High performance gate drives and methods for driving semiconductor switching elements, such as insulated gate bipolar transistors (IGBTs), are provided. The...
US-9,444,447 Load drive circuit
A switch electrically connected to a first terminal and a second terminal. A first comparator detects a load open state where the switch is off and a load is...
US-9,444,446 Switching control circuit for target switching element
In a switching control circuit, a determiner determines whether there is one of a first type of abnormality and a second type of abnormality different therefrom...
US-9,444,445 Power switch driving circuits and power converters thereof
In one embodiment, a power switch driving circuit can include: (i) an upper switch having a first power terminal coupled to a voltage source, and a second power...
US-9,444,444 Anti-ringing technique for switching power stage
A driver may provide a transition of a switch between an on state and an off state in two stages. In the first stage, the voltage slew rate of the voltage at an...
US-9,444,443 Gate driver, method of driving display panel using the same and display apparatus having the same
A gate driver includes a plurality of stages respectively outputting a plurality of gate output signals. An N-th stage of the gate driver (where N is a positive...
US-9,444,442 Open-loop correction of duty-cycle error and quadrature phase error
A Phase Interpolator (PI) may be employed as a precisely-controlled delay element in a transmit path, for example in clock forwarded serial links. Methods and...
US-9,444,441 Zero-crossing detection circuit and method for synchronous step-down converter
In one embodiment, a zero-crossing detection circuit for a synchronous step-down converter, can include: (i) a state determination circuit configured to compare...
US-9,444,440 Transition detector
An embodiment of a detector includes first and second generators. The first generator is operable to receive a transition of a first signal and to generate in...
US-9,444,439 Pulse generating circuit for audio-frequency amplifiers and regulated power supplies
A circuit for generating a series of pulses in response to a first signal, the circuit comprising: a lossy integrator which receives a second signal as its...
US-9,444,438 Frequency doubler and related method of generating an oscillating voltage
A frequency doubling device suitable to generate an output terminal voltage oscillating at a differential frequency double the frequency of the input...
US-9,444,437 Circuits and methods for DFE with reduced area and power consumption
A 1/n-rate decision feedback equalizer (DFE) and method include a plurality of branches. Each branch includes a separate summer circuit configured to add a...
US-9,444,436 Fully differential level conversion circuit
A fully differential level conversion circuit includes a positive signal branch, a negative signal branch and a coupling branch. The negative signal branch has...
US-9,444,435 Injection locked ring oscillator circuit with an analog quadrature calibration loop
A ring oscillator includes a first delay stage generating a first phase signal and a second delay stage generating a second phase signal. Each of the first and...
US-9,444,434 Systems, methods and apparatus for voltage clamping
A voltage clamping system includes: (a) a first electronic device connected to a first power source and having a signal output node, a voltage clamp high node,...
US-9,444,433 Wideband FM demodulation by injection-locked division of frequency deviation
A novel and useful wideband FM demodulator operating across an 8 GHz IF bandwidth for application in low-power, wideband heterodyne receivers. The demodulator...
US-9,444,432 Digital step attenuator with reduced relative phase error
An apparatus for selectively providing attenuation with minimal relative phase error. A Digital Step Attenuator (DSA) is implemented on an integrated circuit...
US-9,444,431 Ultra-low-voltage current-reuse voltage-controlled oscillator and transconductance-capacitor filter
According to one aspect of the present disclosure, an ultra-low voltage current reused voltage-controlled oscillator and transconductance-capacitor filter is...
US-9,444,430 Cavity filtered qubit
A technique relates to a microwave device. A qubit is connected to a first end of a first coupling capacitor and a first end of a second coupling capacitor. A...
US-9,444,429 Piezoelectric thin-film resonator, method for fabricating same, filter and duplexer having an interposed film
A piezoelectric thin-film resonator includes: a substrate; a piezoelectric film having a lower piezoelectric film provided on the substrate and an upper...
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