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