Patents
Sitemap › H03 - Basic electronic circuitry › H03K - Pulse technique › H03K 7 - Modulating pulses with a continuously-variable modulating signal
Patents for H03K 7 - Modulating pulses with a continuously-variable modulating signal (4,039)
10/2003
10/15/2003CN1124688C Pulse-width controller
10/09/2003US20030189657 Image sensor circuit and method
10/02/2003WO2003028217A3 Device and method for producing pulse-width modulated output signals
09/2003
09/24/2003EP1347563A2 High-frequency pwm voltage control
09/17/2003EP1198885B1 Electronic drive control mechanism
09/16/2003US6621357 Power oscillator for control of waveshape and amplitude
09/09/2003US6617938 Return to zero and sampling pulse generating circuits and method for direct digital up conversion
09/09/2003US6617937 Microcontroller available for remote transmission
09/09/2003US6617818 Voltage independent PWM base frequency generating method
08/2003
08/28/2003US20030161639 Method and apparatus for generating a pulse width modulated signal and optical attenuator controlled by a pulse width modulated signal
08/28/2003US20030160661 Pulse width modulation circuit
08/27/2003EP1338095A1 System and method for high speed digital signaling
08/27/2003EP1000368B1 Sampler control device
08/27/2003CN1119289C Improved pulse processing instrument
08/21/2003WO2003069958A1 Switching device for driving a led array
08/21/2003US20030156636 Generation of multiple independent high resolution pulse width modulations
08/21/2003US20030155952 PWM control signal generation method and apparatus
08/19/2003US6608874 Method and apparatus for quadrature multi-pulse modulation of data for spectrally efficient communication
08/14/2003WO2003067839A2 Ultra-wideband impulse generation and modulation circuit
08/14/2003WO2003067753A1 Digital pwm input d class amplifier by pwm negative feedback
08/14/2003US20030152181 Delay locked loop synthesizer with multiple outputs and digital modulation
08/13/2003EP1334742A2 Mask assembly
08/13/2003EP1334411A2 Control system methods and apparatus for inductive communication across an isolation barrier
08/12/2003US6606044 Method and apparatus for generating a pulse width modulated signal
08/07/2003US20030146800 Ultra-wideband impulse generation and modulation circuit
08/06/2003EP1333581A1 Clock signal generator
08/06/2003CN1117428C Method in compensation of unlinearities in amplifier, amplifier, and uses of method and amplifier
07/2003
07/31/2003WO2003063435A1 Delay locked loop synthesizer with multiple outputs and digital modulation
07/31/2003US20030141937 Clock signal generating device
07/30/2003CN1432939A Semiconductor device for inverter control
07/29/2003US6600379 Voltage-controlled variable duty-cycle oscillator
07/24/2003WO2003061136A1 Method and apparatus for generating a pulse width modulated signal
07/17/2003WO2003058798A1 Pwm controller with single-cycle response
07/16/2003EP1327306A1 Current sense ic
07/10/2003US20030129945 Wireless audio transmission system
07/10/2003US20030128146 Semiconductor device for inverter controlling
07/09/2003CN1429012A 驱动电路 Drive circuit
07/09/2003CN1114271C V/F converter
07/08/2003US6590549 Analog pulse width modulation of video data
07/03/2003US20030122692 Method and apparatus for generating a pulse width modulated signal
07/03/2003US20030122607 Driving circuit
07/02/2003CN1427383A LED display screen display control device and its control method
07/01/2003US6587010 Modulated radio frequency signal generation method and modulated signal source
07/01/2003US6586988 Demodulating circuits for contactless integrated circuit cards and systems
06/2003
06/26/2003US20030117222 Voltage-controlled variable duty-cycle oscillator
06/25/2003CN1426164A Ultra wide band narrow pulse generator of subnanosecond duration
06/19/2003WO2003050954A1 Method and apparatus to generate on-off keying signals suitable for communications
06/19/2003US20030115166 System which extracts feature from fuzzy information and semiconductor integrated circuit device having the system
06/19/2003US20030112862 Method and apparatus to generate ON-OFF keying signals suitable for communications
06/18/2003CN1111953C Frequency regulation method and device for oscillator built in integrated circuit
06/12/2003WO2003049290A1 A method of impulse acreage modulation digital power processing and its device
06/12/2003US20030108098 Pulse width modulated controller
06/12/2003US20030108092 System and method for high speed digital signaling
06/11/2003EP1318604A1 Digitally programmable converter for reducing the duty cycle range of a pulse-width modulation code
06/05/2003WO2003047102A1 Natural sampling method and device for rf pulse-width modulation
06/05/2003WO2003047101A1 Modulated radio frequency signal generation method and modulated signal source
06/05/2003WO2003023963A9 A fast mono-cycle generating circuit using full rail swing logic circuits
06/05/2003US20030103361 Systems and methods for pulse width modulation
05/2003
05/29/2003US20030098753 Modulated radio frequency signal generation method and modulated signal source
05/22/2003WO2003043196A1 Digital/analog converter circuit with a device for compensating nonlinear distortions
05/22/2003US20030095013 Modulation of a digital input signal using a digital signal modulator and signal splitting
05/21/2003CN1419742A Method and apparatus for generating a pulse width modulated signal and optical attenuator controlled by a pulse width modulated signal
05/15/2003WO2003041274A1 Method and apparatus for generating pulse width modulated waveforms
05/15/2003US20030090308 Circuit generating constant narrow-pulse-width bipolarity cycle monocycles using CMOS circuits
05/08/2003US20030086488 Method and apparatus for generating pulse width modulated waveforms
05/06/2003US6559698 Spread spectrum type clock generating circuit
05/02/2003EP1040558B1 Method for influencing the electrical power of a load with a pulse width modulated signal
05/01/2003WO2002041086A9 Control system methods and apparatus for inductive communication across an isolation barrier
05/01/2003US20030081803 Low power, low noise, 3-level, H-bridge output coding for hearing aid applications
05/01/2003US20030080799 Fast mono-cycle generating circuit using full rail swing logic circuits
04/2003
04/29/2003US6556160 Circuit for converting an analog signal to a PWM signal
04/24/2003US20030076880 Method and circuit for controlling switching frequency signal
04/24/2003US20030076136 Monocycle generator
04/24/2003US20030075180 Mask assembly
04/15/2003US6549085 Natural sampling method and device for RF pulse-width modulation
04/09/2003CN1409525A Modulation method and device for executing Nyquist folding frequency
04/08/2003US6546048 Pulse width modulation waveform generating circuit
04/08/2003US6545621 Digitally programmable pulse-width modulation (PWM) converter
04/03/2003WO2003028217A2 Device and method for producing pulse-width modulated output signals
04/03/2003US20030062964 Sigma-delta pulse-width-modulated signal generator circuit
03/2003
03/27/2003US20030058015 Time domain reflectometer with digitally generated variable width pulse output
03/27/2003DE10031642C2 Pulsdauermodulationssignalgenerator Pulse duration modulation signal generator
03/25/2003US6538523 Multi-channel pulse width modulation apparatus and down counter
03/25/2003US6538484 High-frequency PWM voltage control
03/20/2003WO2003023963A1 A fast mono-cycle generating circuit using full rail swing logic circuits
03/20/2003WO2003023962A1 Narrow-pulse-width bipolar monocycle generator
03/20/2003WO2002025817A9 Distortion reduction method and apparatus for linearization of digital pulse width modulation by efficient calculation
03/20/2003US20030053551 Method and apparatus for performing Nyquist folding frequency modulation
03/20/2003US20030053548 Wireless infrared digital audio system
03/19/2003EP1294089A2 Remodulation of an RF carrier modulated signal
03/18/2003US6535564 Adaptive quantization in a pulse-amplitude modulated system
03/13/2003WO2003021778A2 Monocycle generator
03/12/2003CN1402430A Pulse area modulation digital power processing method and device
02/2003
02/27/2003WO2003017516A1 System and method for high speed digital signaling
02/27/2003WO2003017489A1 Systems and methods for pulse width modulation
02/27/2003WO2002075923A3 Circuit for voltage to linear duty cycle conversion
02/25/2003US6526094 PWM Circuit
02/20/2003US20030034853 Pulse width modulation integrated circuit chip
02/18/2003US6522209 Oscillator averaging phase shift generator
02/13/2003US20030031245 Modulator for digital amplifier
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