This page is updated frequently with new Feedback Signal-related patent applications.
| Emergency lighting driver with programmable output power|
An emergency lighting driver (100, 200, 400) includes: a power translation circuit (120, 220, 421/423/425) which receives input power from an emergency power source (10) and supplies output power to a load (20); and a programmable control device (140, 240) which controls the power translation circuit in response to a voltage feedback signal and a current feedback signal to cause the output power supplied to the load to have a programmed power output profile (302, 304), wherein the programmed power output profile is a function of time, temperature, the type of energy source employed for the emergency power source, the amount of remaining energy stored in the emergency power source, and/or the occupancy of an area in which the emergency lighting driver is located.. .
Philips Lighting Holding B.v.
| Decision feedback equalizer|
A decision feedback equalizer (dfe) includes first through sixth flip-flops, and first and second summer circuits. The first through fourth flip-flops sample an analog input signal received at the first and second summer circuits, detect the logic level of a data bit in the analog input signal and generate the first through fourth compensated signals.
Silab Tech Pvt. Ltd.
| Short training time for mimo systems|
Methods for wireless communication and system therefrom are provided. According to aspects, a method includes generating a plurality of training packets for transmission, and outputting each of the plurality of training packets for transmission to a device in a different one of a plurality of directions, wherein at least two of the plurality of training packets are output for transmission to the device in at least two of the plurality of directions using orthogonal transmission types.
| Low-power conversion between analog and digital signals using adjustable feedback filter|
A system to convert between analog and digital signals, in some embodiments, comprises: a differentiator to produce a differentiated signal based on an input signal and a feedback signal; an integrator, coupled to the differentiator, to integrate the differentiated signal; a quantizer, coupled to the integrator, to quantize the integrated signal; and a low-pass feedback filter, coupled between an output of the quantizer and an input of the differentiator, to generate said feedback signal using the quantized signal, wherein the low-pass feedback filter pushes at least some noise of the quantized signal downward in the frequency spectrum.. .
Semiconductor Components Industries, Llc
| Remote supervisory control system|
According to some embodiments, a remote supervisory control system includes an electric generator configured to operate based on a driving value applied from a server, and the server configured to apply a representative driving value for an driving of the electric generator to the electric generator, receive a driving feedback signal applied from the electric generator according to the representative driving value, determine whether or not the representative driving value is normal, and update the representative driving value with a second priority driving value according to the determination result.. .
Lsis Co., Ltd.
| Helmet with turn signal indicators|
A helmet with a turn signal display system, comprising one or more displays for illumination, a power source unit configured to provide power to the one or more displays, a control unit configured to control the one or more display. The helmet further comprises a luminous sensing unit, a tilt calculator unit, and an analyzer unit.
| Harvester fan speed control based on yield|
A harvester having a harvesting structure for harvesting crop and a crop receptacle for receiving harvested crop. The harvester comprises a crop conveying fan configured to operate at a fan speed to facilitate transfer of harvested crop from the harvesting structure to the crop receptacle.
Deere & Company
|Constant on-time switching converter with reference voltage adjusting circuit and controller thereof|
A cot switching converter includes a switching circuit having a main switch, an on-time control circuit configured to generate an on-time control signal, a comparing circuit, a logic circuit and a reference voltage adjusting circuit. The comparing circuit compares a reference voltage with a feedback signal indicative of output voltage of the switching circuit to generate a comparison signal.
Chengdu Monolithic Power Systems, Ltd.
|Driving power generating circuit and a generating a driving power|
A driving power generating circuit configured to generate a driving power to drive a load is provided. The driving power generating circuit includes a signal generating circuit, a power converter circuit, and a sampling control circuit.
Industrial Technology Research Institute
|Quantizing circuits having improved sensing|
A system including a processor and a memory device. The memory device includes a memory array having a plurality of memory elements connected to a bit-line and a quantizing circuit.
Micron Technology, Inc.
Mobile terminal and controlling the same
Disclosed are a mobile terminal having a hologram output unit and a method for controlling the same. The mobile terminal, comprises: a hologram output unit configured to output a hologram object to an output space outside the mobile terminal; an image sensor configured to sense a portion of a human body located within the output space of the hologram object; a feedback output unit configured to output a feedback signal; and a controller configured to: determine a relative position between the hologram object output by the hologram output unit and the portion of the human body sensed by the image sensor; detect, based on the relative position between the hologram object and the portion of the human body, that the portion of the human body approaches the hologram object, and control, based on the detection that the portion of the human body approaches the hologram object, the feedback output unit to transmit the feedback signal towards the portion of the human body that is detected to approach the hologram object..
Lg Electronics Inc.
Potentiostat/galvanostat with digital interface
A potentiostat/galvanostat employs a controller for providing digital control signals to a digital-to-analog converter (dac) that generates an analog output signal in response to digital control signals. A high current driver produces a high current output in response to the analog output signal from the dac.
Ashwin-ushas Corporation, Inc.
Athletic equipment with feedback device
An athletic equipment with feedback device includes a main body; and a feedback device installed on the main body. The feedback device has a control unit; an input module for entering a target waving value; a sensing module for sensing the waving status of the athletic equipment and producing a sense signal; a signal processing module converting the sense signal into an actual waving data which is subsequently sent to the control unit, such that the control unit compares the actual waving date with the target waving value and sends a feedback signal; and a feedback module receiving the feedback signal and producing a feedback reaction to inform the user..
Topteam Technology Taiwan Co., Ltd.
Doppler profile estimation using compressed beamforming information
Methods, systems, and devices are described for wireless communication. In one aspect, a method of wireless communication includes receiving, by a first wireless device, beamforming information from a station over a period of time, the beamforming information including a feedback signal-to-noise ratio (snr) value and compressed feedback matrix.
Multi-user multiple-input-multiple-output grouping metrics
Methods, systems, and devices are described for wireless communication. In one aspect, a method of wireless communication includes receiving, by a wireless device, beamforming information from a plurality of stations.
Method for synchronizing video and audio in virtual reality system
A method for audio-video synchronization in a virtual reality (vr) system is provided. The vr system includes a vr device and a host device.
Optical transmitter and adjusting signal levels
An amplitude encoded transmission system and method are disclosed that achieve an improved bit-error rate for systems with a non-linear input/output relationship in the presence of noise. A set of measures are determined for adjacent signal levels.
Avago Technologies General Ip (singapore) Pte. Ltd.
Using compressed beamforming information for optimizing multiple-input multiple-output operations
Methods, systems, and devices are described for wireless communication. In one aspect, a method of wireless communication includes receiving, by a first wireless device, compressed beamforming information from each of a plurality of stations, the compressed beamforming information including a feedback signal-to-noise ratio (snr) value and compressed feedback matrix.
Slope control circuit
A slope control circuit is connected between a replica circuit and a controller area network bus. The replica circuit generates an upper and a lower feedback signal.
Amazing Microelectronic Corp.
Self-feedback control circuit
A self-feedback control circuit is connected to a controller area network bus for controlling a high-level output and a low-level output, comprising a controller area network driving circuit and a replica circuit. The replica circuit is connected in parallel with the controller area network driving circuit and comprises an upper feedback path and a lower feedback path.
Amazing Microelectronic Corp.
A semiconductor circuit includes a first logic gate that receives inputs of a first input signal, a clock signal and a feedback signal and performs a first logical operation to output a first output signal. A second logic gate that receives inputs of the first output signal of the first logic gate, the clock signal, and an inverted output signal of the first input signal and performs a second logical operation to output the feedback signal..
Samsung Electronics Co., Ltd.
Voltage converter and voltage conversion method
Disclosed is a voltage converter and a method. The voltage converter includes: an input, an output, and a transformer including a primary winding and a secondary winding; a primary side circuit comprising at least one switch and coupled between the input and the primary winding; a secondary side control circuit coupled to the output.
Infineon Technologies Austria Ag
Control circuit and control switching power supply operating in quasi resonant mode
A control circuit can include: an output current sampling circuit configured to sample a current through a power switch of a switching power supply operating in a quasi-resonant mode, and to generate an output current feedback signal that represents an output current of the switching power supply; and a valley locking circuit configured to receive the output current feedback signal and a plurality of valley switching threshold voltages, where the valley locking circuit is switched to a corresponding valley from a valley currently being locked when the output current feedback signal is increased or reduced to one of the plurality of valley switching threshold voltages.. .
Silergy Semiconductor Technology (hangzhou) Ltd
Regulator circuit, method, and corresponding power supply system
A track regulator circuit includes an input terminal for receiving an input signal, an output stage with an output terminal for applying an output signal to a load, an error amplifier coupled to the input terminal, and a feedback resistor between the output terminal and the error amplifier for transferring to the error amplifier a feedback signal indicative of the output signal. The error amplifier is configured for driving the output stage as a function of the difference between the input signal and the output signal so that the output signal tracks the input signal.
Cancelling damping induced by drag in synthetic jets using performance enhancements
An active flow control drag-induced damping reduction apparatus. The apparatus includes a variable frequency signal power supply; a jet generator defining an internal cavity and having pump member, and coupled to the variable frequency signal power supply to receive a control signal; a feedback sensor coupled to the pump member to generate a feedback signal measuring the reciprocating motion of the pump member; a detection circuit that receives the feedback signal and measures a difference compared to the variable frequency generator; and an adjustment circuit that receives the measured difference and tunes the variable frequency signal of the variable frequency signal power supply to maintain the jet generator at an optimum flow..
The Boeing Company
Adaptive matching network
An apparatus for acquiring a desired response to an electromagnetic signal includes an adaptive network that receives a feedback signal and dynamically adjusts an electrical characteristic of the adaptive network in response to the feedback signal, the adaptive network electrically cooperating with an electrical component. A measurement device measures a parameter indicative of a combined response by the electrical component and the adaptive network to an impinging electromagnetic signal.
Keysight Technologies, Inc.
Apparatus and methods for programmable low dropout regulators for radio frequency electronics
Apparatus and methods for programmable low dropout (ldo) regulators for radio frequency (rf) electronics are provided herein. In certain configurations, an ldo regulator for generating a programmable output voltage includes a regulation field-effect transistor (fet) having a drain electrically connected to the ldo regulator's output, an error amplifier that controls a gate of the regulation fet, a feedback circuit that provides a feedback signal to an inverting input of the error amplifier, an output capacitor electrically connected to the ldo regulator's output, and an alternative discharge circuit.
Skyworks Solutions, Inc.
Incidental robot-human contact detection
Technologies are generally described for detection of incidental robot-human contact. In some examples, a robotic actuator movement may generate a feedback signal, such as a haptic signal, a proprioreceptive signal, an optical signal, and/or an infrared signal.
Empire Technology Development Llc
Wireless shared spectrum access contention based on harq feedback
A first wireless device determines the duration of a clear channel assessment interval based on feedback signals before transmitting data to a second wireless device. The first wireless device receives feedback signals, such as acknowledgement (ack) and negative acknowledgement (nak) signals, from one or more second wireless devices.
Cisco Technology, Inc.
Delta sigma modulator with dynamic error cancellation
The disclosure provides a delta sigma modulator that includes a first input port and a second input port. These ports receive a differential input signal.
Texas Instruments Incorporated
Successive approximation method with a nonlinear characteristic
A circuit comprises a successive approximation analog-to-digital converter that comprises a feedback path and is operated for example in accordance with the successive approximation method. The feedback path is configured to translate a digital signal in accordance with a prescribed function and to furthermore convert the translated digital signal into an analog feedback signal.
Lantiq Beteiligungs-gmbh & Co. Kg
Reconfigurable microwave filters
Illustrative embodiments of reconfigurable microwave filters, as well as associated systems and methods, are disclosed. In at least one illustrative embodiment, a reconfigurable microwave filter may comprise a plurality of cavity resonators on a common substrate and a plurality of control circuits each configured to control a resonant frequency of one of the plurality of cavity resonators.
Indiana Microelectronics, Llc
Reverse current blockage through buck controller block
A switching circuit with reverse current prevention for use in a buck converter includes a power switch coupled to a coupling node, which is an interconnection point of a power switch, an inductor and a freewheeling diode of the buck converter. The inductor is coupled between the coupling node and an output of the buck converter, and the freewheeling diode is coupled between coupling node and an output return of the buck converter.
Power Integrations, Inc.
Gate protection circuit and display device including the same
A gate protection circuit includes: a clock signal generator to generate a plurality of gate clock signals; a gate driver to output gate signals based on the plurality of gate clock signals, the gate driver including a plurality of gate driving circuits cascaded to each other; and a monitoring line configured to transmit a feedback signal based on the plurality of gate clock signals via the plurality of gate driving circuits to the clock signal generator. The clock signal generator is to block generation of the plurality of gate clock signals in response to the feedback signal..
Samsung Display Co., Ltd.
Organic light emitting display device and driving the same
An organic light emitting display device includes a display panel including a pixel at a crossing region of a scan line, a data line, and a feedback line, a data driver sequentially providing reference signals to the pixel through the data line, a sensing driver sequentially sensing feedback signals flowing through the feedback line in response to the reference signals, and a timing controller modeling a current-voltage characteristic of the pixel based on the feedback signals.. .
Samsung Display Co., Ltd.
Reducing crest factors
The present disclosure describes methods, systems, and computer program products for a reducing crest factors. An input signal is received.
Futurewei Technologies, Inc.
Method and excess loop delay compensation in delta-sigma modulator
A delta-sigma modulator includes a signal subtraction circuit, a loop filter, a quantizer, a digital-to-analog converter (dac), and a control circuit. The signal subtraction circuit subtracts an analog feedback signal from an analog input signal to generate a difference signal.
Mediatek Singapore Pte. Ltd.
Machine learning method and machine learning apparatus learning point of connection of ground wire or shield wire and electric motor control apparatus and electric motor apparatus provided with machine learning apparatus
A machine learning apparatus able to learn a point of connection of a ground wire or a shield wire optimal for reducing noise. It is a machine learning apparatus learning a point of connection of a ground wire or shield wire used in an electric motor apparatus provided with a status observing part and learning part.
Circuits and methods for removing a gain offset in a magnetic field sensor
A magnetic field sensor and a method include a modulator coupled in a feedback arrangement and operable to modulate a calibration feedback signal with a modulator clock signal having a selected frequency and a selected relative phase operable to remove a gain error in the magnetic field sensor and in the method.. .
Allegro Microsystems, Llc
Method and digital control of a switching regulator
A circuit for regulating an output level of a power converter includes an adjustment circuit to be coupled to a receive a feedback signal representative of an output level of the power converter. The adjustment circuit is coupled to generate a comparison result signal.
Power Integrations, Inc.
Voltage sense control circuit, voltage sense control method and isolated converter thereof
A voltage sense control circuit configured for an isolated converter can include: a current sampling and holding circuit configured to sample a current through a power switch to obtain a voltage sense signal that represents current information of the power switch, where the voltage sense signal is in proportion to a forward voltage drop of a rectifier device; a compensation signal generating circuit configured to generate a first current signal according to the voltage sense signal, and to generate a compensation signal according to the first current signal to compensate an output voltage feedback signal of the isolated converter to obtain a voltage feedback signal; and a voltage sampling and holding circuit configured to sample and hold the voltage feedback signal to regulate an output voltage of the isolated converter to be stable.. .
Silergy Semiconductor Technology (hangzhou) Ltd
System and method to track time & attendance of an individual at a workplace
A system and method to track time and attendance of an individual at a workplace is provided. The system includes a location tracking system that detects a presence of a portable electronic device carried by the individual, a time clock system that records clock-out registration time of the individual at the workplace, and a main controller.
Api Healthcare Corporation
Linear voltage regulator
A voltage regulator includes an error amplifier, a voltage buffer, a transistor, a frequency compensation circuit, a capacitor, and a resistive network. The error amplifier receives a reference signal and a feedback signal, and generates an intermediate control signal.
Freescale Semiconductor, Inc.
Codebook sub-sampling for csi feedback on pucch for 4tx mimo
Channel state information (csi) feedback in a wireless communication system (100) is disclosed. User equipment (107) transmits a csi feedback signal via a physical uplink control channel (pucch) (108).
Texas Instruments Incorporated
Multiplying analog to digital converter and method
A multiplying analog to digital converter including an analog to digital converter (adc) having a sample input and a feedback input and an adc output configured with a feedback path configured to couple the adc output to a digital to analog converter. A feedback attenuator is disposed in the feedback path, the feedback attenuator being configured to attenuate a feedback signal coupled to the feedback input, the feedback attenuator being configured to provide analog multiplication observed at the adc output.
The Trustees Of Princeton University
Power supply operating in ripple mode and control method thereof
A power supply for powering a load includes a power converter, a remote output node, a transmission line, a feedback circuit and a power controller. The power converter converts an input power to a near output power, and includes a power input node receiving the input power and an output node outputting the near output power.
Mstar Semiconductor, Inc.
Gate driving circuit and display apparatus having the same
A gate driving circuit includes driving stages to provide gate signals to gate lines of a display panel, a k-th driving stage (where k is a natural number greater than 2) of the driving stages including an output unit to output a k-th gate signal to a k-th gate line and a k-th carry signal to a k-th carry terminal in response to a voltage of a first node, a control unit to control a potential of the first node, a pull-down unit to pull down the k-th gate line and the k-th carry terminal to a ground voltage in response to a (k+1)-th carry signal, and a reset unit to reset the voltage of the first node to the ground voltage in response to the reset signal. The reset unit receives one of the k-th gate signal and the k-th carry signal as a feedback signal..
Samsung Display Co., Ltd.
Method of controlling a communications link
The present invention is directed to a method of controlling a communications link and apparatus configured to perform this method. This invention is particularly related to but in no way limited to mimo (multiple inputs multiple outputs) wireless communications systems.
System and method to track time & attendance of an individual at a workplace for a scheduled workshift
A system and method to track time and attendance of an individual at a workplace is provided. The system includes a location tracking system that detects a presence of a portable electronic device carried by the individual, a time clock system that records a registration time of the individual at the workplace, and a main controller.
Api Healthcare Corporation
Operating a wind turbine being connected to a utility grid both via a hvdc power connection and via an umbilical ac cable with a network bridge controller performing a power and a voltage control
A method is provided for controlling the operation of a wind turbine includes (a) receiving an active power reference signal; (b) determining, based on the active power reference signal and an active power feedback signal, a first voltage control signal and a power controller frequency signal; (c) receiving a power reference signal; (d) determining, based on the power reference signal and the power feedback signal, a power offset frequency signal; (e) determining, based on the power controller frequency signal, a second voltage control signal; (f) determining, based on the power offset frequency signal, an angle signal indicative for an actual angle of a rotating dq reference frame; and (g) controlling the operation of a power converter based on the first voltage control signal, the second voltage control signal, and the angle signal.. .
Operating a wind turbine being connected to a utility grid solely via an umbilical ac cable with a network bridge controller performing a power and a voltage control
A method for controlling the operation of a wind turbine is provided. The method includes receiving, by means of a power controller, an active power reference signal and an active power feedback signal; determining, by means of the power controller and based on the active power reference signal and the active power feedback signal, a first voltage control signal and a power controller frequency signal; determining, by means of a frequency droop gain unit and based on the power controller frequency signal, a second voltage control signal; determining, by means of a theta integrator unit and based on the power controller frequency signal, an actual angle signal being indicative for an actual angle between a rotating dq reference frame and a stationary abc reference frame; and controlling operation of a network bridge based on the first voltage control signal, the second voltage control signal, and the actual angle signal..
Operating a wind turbine being connected to a utility grid solely via a hvdc power connection with a network bridge controller performing a power and a voltage control
A method for controlling the operation of a wind turbine is provided. The method includes (a) receiving an active power reference signal) and an active power feedback signal; (b) determining, based on the active power reference signal and the active power feedback signal, a first voltage control signal and a power controller frequency signal; (c) determining, based on the power controller frequency signal, a second voltage control signal; (d) determining, based on the frequency reference signal, a frequency controller frequency signal; (e) determining, based on the power controller frequency signal and the frequency controller frequency signal, an actual angle signal being indicative for an actual angle of a rotating dq reference frame; and (f) controlling the operation of a power converter of the wind turbine based on the first voltage control signal, the second voltage control signal, and the actual angle signal..