Patents
Patents for H03K 7 - Modulating pulses with a continuously-variable modulating signal (4,039)
06/2004
06/24/2004US20040119452 Pulse width modulated generator
06/23/2004EP1430602A2 Device and method for producing pulse-width modulated output signals
06/22/2004US6753729 Self-oscillating variable frequency closed loop Class D amplifier
06/22/2004US6753695 Semiconductor integrated circuit device and pulse width changing circuit
06/17/2004US20040113684 Center of gravity compensation of Class-D amplifier
06/17/2004US20040113671 Multistage pulse width modulator
06/17/2004US20040113598 Switching regulator
06/16/2004EP1429454A1 Center of gravity compensation of class-D amplifier
06/15/2004US6751265 Method and system of amplitude modulation using dual/split channel unequal amplification
06/10/2004WO2004049569A1 Pwm generator
06/10/2004US20040108913 Robust fractional clock-based pulse generator for digital pulse width modulator
06/09/2004EP1427105A2 Pulse width modulator
06/09/2004CN1153348C Circuit for controlling a pulse width modulator in a switched-mode power supply
06/08/2004US6747778 Method and apparatus for generating a pulse width modulated signal and optical attenuator controlled by a pulse width modulated signal
06/03/2004WO2004047275A1 System and method for providing digital pulse width modulation
05/2004
05/27/2004DE19844455B4 Verfahren zur Erzeugung eines pulsweitenmodulierten Signals und Vorrichtung hierzu A method for generating a pulse width modulated signal and apparatus therefor
05/26/2004EP1422814A1 PWM control circuit particularly for low-voltage applications
05/25/2004US6742133 Clock controlling method and clock control circuit
05/20/2004US20040096022 Combining precoding with spectral shaping
05/20/2004US20040095122 System and method for providing digital pulse width modulation
05/19/2004EP1419578A2 Pulse-width modulation with feedback to toggle module
05/13/2004WO2004040759A1 A linear dimmimg device for controlling the luminance of light emitting display devices, and method thereof
05/13/2004DE10248304A1 Verfahren und Vorrichtung zur Erzeugung von zwei- oder mehrkanaligen pulsweitenmodulierten Rechteckpulsen Method and apparatus for the production of two- or multi-channel pulse-width modulated rectangular pulses
05/12/2004EP1418667A1 Multi-level class-D amplifier by means of 3 physical levels
05/12/2004EP1417757A1 Systems and methods for pulse width modulation
05/12/2004EP1360764A4 Digital modulation device in a system and method of using the same
05/11/2004US6734709 Method and system for performing sampling on the fly using minimum cycle delay synchronization
05/06/2004DE10211497B4 Schaltungsanordnung zur Ansteuerung eines Halbleiterleistungsschalters Circuit arrangement for driving a semiconductor power switch
05/04/2004CA2126525C Signal processing circuit including a variable gain input stage
04/2004
04/29/2004WO2004036749A1 Method and device for the production of two-channel or multi-channel pulse-width-modulated rectangular pulses
04/28/2004CN1492598A Satellite communication system using low density parity check code
04/22/2004WO2004034564A2 Trimming of a two point phase modulator
04/22/2004US20040077317 High speed interface for radio systems
04/21/2004CN1491482A Digital modulation device in system and method of usnig the same
04/21/2004CN1147207C Loudspeakers
04/20/2004US6724249 Multi-level class-D amplifier by means of 3 physical levels
04/20/2004US6724158 Power linearization technique for controlling the luminance of light emitting display devices
04/08/2004WO2004030211A2 Circuit configuration for averaging
04/08/2004DE10243564A1 Schaltungsanordnung zur Mittelwertbildung A circuit arrangement for averaging
04/07/2004EP1405551A1 Programmable pwm module for controlling a ballast
03/2004
03/31/2004EP1402718A1 Digital pulse width modulator for use in electrostatic printing mechanisms
03/31/2004EP1402638A1 A method and an arrangement relating to telecommunications systems
03/18/2004US20040052101 Device for amplitude adjustment and rectification made with MOS technology
03/18/2004US20040051594 Power oscillator for control of waveshape and amplitude
03/17/2004CN1482725A High-frequency pwm voltage control
03/16/2004US6707408 Sigma-delta pulse-width-modulated signal generator circuit
03/11/2004US20040047414 Method and device for controlling a pulse generator for the emission of pulse signal of ultra wideband position-modulated type
03/11/2004US20040047412 Pulse width control system for transmitting serial data
03/03/2004EP1394972A1 High speed interface for radio systems
03/02/2004US6700803 Systems and methods for pulse width modulation
02/2004
02/26/2004WO2003067839A3 Ultra-wideband impulse generation and modulation circuit
02/26/2004WO2003021778A3 Monocycle generator
02/24/2004US6696868 Frequency to frequency de-randomizer circuit
02/17/2004US6693571 Modulation of a digital input signal using a digital signal modulator and signal splitting
02/12/2004US20040028149 Programmable integrated DiSEqC transceiver
02/12/2004US20040028002 Satellite communication system utilizing low density parity check codes
02/05/2004WO2002078184A3 Pulse-width modulation with feedback to toggle module
02/05/2004US20040021492 Pulse width modulation circuit and illuminating device incorporating same
02/04/2004EP1387496A2 Satellite communication system utilizing low density parity check (LDPC) codes
02/04/2004EP1387489A1 Pulse width modulation circuit and illuminating device incorporating same
01/2004
01/29/2004US20040017236 Wide dynamic pulse width modulation neuron circuit
01/27/2004US6683494 Digital signal processor enhanced pulse width modulation amplifier
01/22/2004WO2003085699A3 Image sensor circuit and method
01/13/2004US6678321 Method and apparatus for transmitting and receiving a symbol over pots wiring using a multi-cycle waveform
01/08/2004WO2004004123A1 Pulse width modulation signal generator
01/07/2004EP1378055A1 Power oscillator for control of waveshape and amplitude
01/02/2004EP1376149A1 Method and apparatus for controlling a pulse generator for transmitting a UWB position-modulated signal
01/02/2004EP1374394A2 Digital signal processor enhanced pulse width modulation amplifier
01/01/2004US20040001560 Analog FSK modulator for a radio transmitter
01/01/2004US20040001542 Method and apparatus for measuring the rotational speed of a fan
12/2003
12/30/2003US6671330 Power amplifier
12/30/2003US6671329 Power amplifier
12/30/2003US6671325 Wireless infrared digital audio system
12/30/2003US6671315 DTMF signal generator
12/30/2003US6670837 Time domain reflectometer with digitally generated variable width pulse output
12/23/2003US6667598 Circuit for generating three-phase PWM signal
12/17/2003CN1462510A Current detection IC
12/16/2003US6665338 Circuitry for converting a sampled digital signal to a naturally sampled digital signal and method therefor
12/16/2003US6664556 Method and apparatus for a phototransistor pulse width converter
12/11/2003US20030227335 Clock modulating circuit
12/09/2003US6661364 Semiconductor device for inverter controlling
12/02/2003US6658053 Pulse shaping for a baseband wireless transmitter
12/02/2003US6657412 Pulse width modulation method, pulse width modulator and power converter
11/2003
11/27/2003WO2002078179B1 Digital signal processor enhanced pulse width modulation amplifier
11/20/2003WO2003085415A3 Return to zero and sampling pulse generating circuits and method for direct digital up conversion
11/18/2003US6650717 Asymmetric pulse amplitude modulation transmission of multi-stream data embedded in a hybrid IBOC channel
11/18/2003US6650197 Pulsewidth modulation apparatus, printer, and control method thereof
11/12/2003EP1360764A1 Digital modulation device in a system and method of using the same
11/05/2003EP1012974B1 Low power current-to-frequency converter circuit for use in implantable sensors
10/2003
10/28/2003US6639483 Pulse width modulation integrated circuit chip
10/28/2003US6639368 Programmable PWM module for controlling a ballast
10/23/2003US20030199255 Contactless IC card system
10/23/2003US20030197669 Analog pulse width modulation of video data
10/23/2003US20030197137 Method and apparatus for phototransistor pulse width converter
10/21/2003US6636125 Modulation device of the pulse width of very high-frequency signals
10/21/2003US6636124 Method and apparatus for accurate pulse width modulation
10/21/2003US6636094 Method for the generation of pulse-width-modulated signals and associated signal generator
10/16/2003WO2003085699A2 Image sensor circuit and method
10/16/2003WO2003085415A2 Return to zero and sampling pulse generating circuits and method for direct digital up conversion
10/16/2003US20030194016 System and method for high speed digital signaling
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