| Patents for H03K 7 - Modulating pulses with a continuously-variable modulating signal (4,039) |
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| 02/13/2003 | US20030030486 Pulse-width modulation circuit and power amplifier circuit |
| 02/11/2003 | US6519167 PWM controller with single-cycle response |
| 02/11/2003 | US6518849 Dynamic delay compensation versus average switching frequency in a modulator loop and methods thereof |
| 01/21/2003 | US6510182 Wireless infrared digital audio system |
| 01/16/2003 | WO2003005779A1 Programmable pwm module for controlling a ballast |
| 01/16/2003 | WO2003005586A1 A method and an arrangement relating to telecommunications systems |
| 01/09/2003 | WO2003003713A1 Digital pulse width modulator for use in electrostatic printing mechanisms |
| 01/09/2003 | US20030007162 Digital pulse width modulator for use in electrostatic printing mechanisms |
| 01/07/2003 | US6504398 Integrated circuit that includes a field-programmable gate array and a hard gate array having the same underlying structure |
| 01/03/2003 | WO2002078179A3 Digital signal processor enhanced pulse width modulation amplifier |
| 01/02/2003 | US20030003877 Method and an arrrangement relating to telecommunications systems |
| 01/02/2003 | US20030001686 Pulsewidth modulation apparatus, printer, and control method thereof |
| 01/02/2003 | US20030001521 Programmable PWM module for controlling a ballast |
| 01/02/2003 | EP1269628A1 Method and apparatus for generating a pulse width modulated signal and optical attenuator controlled by a pulse width modulated signal |
| 12/24/2002 | US6498617 Pulse width modulation circuit, optical write unit, image forming apparatus and optical write method |
| 12/19/2002 | US20020190768 Extended resolution mode for a PWM module application |
| 12/18/2002 | CN1096632C Pulse width modulation control which data transfer is inhibited by overflow signal |
| 12/05/2002 | US20020184469 Processor with dual-deadtime pulse width modulation generator |
| 12/05/2002 | US20020181577 Configuration fuses for setting PWM options |
| 12/05/2002 | US20020180547 Efficient pulse amplitude modulation transmit modulation |
| 12/05/2002 | US20020180546 Method for the generation of pulse-width-modulated signals and associated signal generator |
| 12/05/2002 | DE10142053A1 Pulsbreitenmodulationsverfahren, Pulsbreitenmodulator und Leistungswandler Pulse width modulation method, pulse width modulator and power converter |
| 11/28/2002 | DE10123744A1 Reducing digital clock generator noise effect involves expanding noise signal spectrum with clock signal phase modulation and feeding phase modulated input clock signal to clock network |
| 11/26/2002 | US6487246 Method and apparatus for programmable pulse width modulated signal generation with period and duty cycle values updated with controlled relative timing |
| 11/21/2002 | US20020171495 Oscillator averaging phase shift generator |
| 11/14/2002 | US20020167370 Microcontroller available for remote transmission |
| 11/14/2002 | US20020167354 Digital signal processor enhanced pulse width modulation amplifier |
| 11/05/2002 | US6476683 Adaptive switching speed control for pulse width modulation |
| 10/30/2002 | EP1253044A2 Buzzer driving apparatus |
| 10/29/2002 | US6473468 Data transmission device |
| 10/29/2002 | US6473009 PWM power amplifier |
| 10/29/2002 | US6472946 Modulation circuit and image display using the same |
| 10/24/2002 | US20020153961 Power oscillator for control of waveshape and amplitude |
| 10/23/2002 | EP1251632A2 Circuit for generating three-phase PWM signal |
| 10/22/2002 | US6469575 Circuit for amplifying and outputting audio signals |
| 10/17/2002 | US20020150156 Control system methods and apparatus for inductive communication across an isolation barrier |
| 10/15/2002 | US6466087 Method and apparatus providing digital error correction for a class D power stage |
| 10/10/2002 | WO2002080350A1 Power oscillator for control of waveshape and amplitude |
| 10/09/2002 | EP1008235B1 Method of correcting the symbol shape error of multilevel pulses in baseband transmission caused by the use of pulse-rate modulation |
| 10/09/2002 | EP0966818A4 Improvements in ultrafast time hopping cdma-rf |
| 10/03/2002 | WO2002078184A2 Pulse-width modulation with feedback to toggle module |
| 10/03/2002 | WO2002078179A2 Digital signal processor enhanced pulse width modulation amplifier |
| 10/03/2002 | US20020143425 Circuit for generating three-phase PWM signal |
| 10/03/2002 | US20020140459 Semiconductor integrated circuit device and pulse width changing circuit |
| 09/26/2002 | WO2002075923A2 Circuit for voltage to linear duty cycle conversion |
| 09/26/2002 | US20020136290 Pulse-width modulation with feedback to toggle module |
| 09/19/2002 | DE10110615A1 Verfahren zur Erzeugung von Ansteuerimpulsen für Leistungshalbleiter A method of generating control pulses for the power semiconductor |
| 09/10/2002 | US6448827 Three-phase pulse width modulation waveform generator |
| 09/06/2002 | WO2002041086A3 Control system methods and apparatus for inductive communication across an isolation barrier |
| 09/03/2002 | US6445737 Digital modulation device in a system and method of using the same |
| 08/27/2002 | US6441693 Circuit for voltage to linear duty cycle conversion |
| 08/27/2002 | US6441596 Switching regulator with reduced high-frequency noise |
| 08/27/2002 | US6439679 Pulse with modulation signal generating methods and apparatuses |
| 08/22/2002 | WO2002065640A1 Digital modulation device in a system and method of using the same |
| 08/15/2002 | US20020110190 Digital modulation device in a system and method of using the same |
| 08/06/2002 | US6430220 Distortion reduction method and apparatus for linearization of digital pulse width modulation by efficient calculation |
| 08/06/2002 | US6429737 Method and apparatus for multi-channel digital amplification |
| 08/01/2002 | WO2002060060A1 Method of gray scale generation for displays using a binary weigthed clock |
| 08/01/2002 | US20020100883 Method and apparatus for a phototransistor pulse width converter |
| 07/31/2002 | EP1227579A2 Method and apparatus for providing digital error correction for a class D power stage |
| 07/23/2002 | US6424207 PWM active filter for DC power systems |
| 07/18/2002 | US20020093391 Pulse width modulation method, pulse width modulator and power converter |
| 07/16/2002 | US6421382 Pulse width modulation signal generator |
| 07/10/2002 | CN1358350A Electronic drive control mechanism |
| 07/04/2002 | US20020084864 Modulation device of the pulse width of very high-frequency signals |
| 07/04/2002 | US20020084843 Method and apparatus providing digital error correction for a class D power stage |
| 07/02/2002 | US6414459 Method for influencing the electrical power of a load with a pulse width modulated signal |
| 06/12/2002 | CN1353503A Equipment used for required sequence change pulse width modulation |
| 06/11/2002 | US6404259 Device for generating digital control signals |
| 06/11/2002 | US6404251 Systems and methods for linearly varying a pulse-width modulation signal with a control signal |
| 06/05/2002 | EP1211808A1 Apparatus for pulse width modulating very high frequency signals |
| 06/05/2002 | EP1075732B1 A method in the compensation of unlinearities in an amplifier, an amplifier, and uses of the method and the amplifier |
| 06/04/2002 | US6400232 Variable duty cycle oscillator circuit with fixed minimum and maximum duty cycles |
| 05/30/2002 | US20020064223 Method of gray scale generation for displays using a register and a binary weighted clock |
| 05/30/2002 | US20020063546 Current sense IC with circuitry for eliminating ripple current error from motor current measurement |
| 05/29/2002 | EP1209810A1 Pulse width modulator responsive to external signals |
| 05/23/2002 | WO2002041086A2 Control system methods and apparatus for inductive communication across an isolation barrier |
| 05/16/2002 | US20020059536 Clock controlling method and clock control circuit |
| 05/16/2002 | US20020059004 Apparatus for changing pulse width modulation at desired timing |
| 05/02/2002 | EP1062728B1 Circuit for controlling a pulse width modulator in a switched-mode power supply |
| 04/30/2002 | US6381154 PWM nonlinear controller with a single cycle response and a non resettable integrator |
| 04/24/2002 | EP1199790A2 Power supply pulse width modulation (PWM) control system |
| 04/24/2002 | EP1198885A1 Electronic drive control mechanism |
| 04/18/2002 | DE10048593A1 Circuit with pulse width modulator for driving load has switch devices with semiconducting switches driven according to control signal, drive circuit providing frequency, duty cycle signals |
| 04/16/2002 | US6373955 Loudspeakers |
| 04/10/2002 | EP1119901B1 Frequency to frequency de-randomiser circuit |
| 04/10/2002 | CN1082777C Signal generator and wireless mobile system including same |
| 04/09/2002 | US6370204 Method and apparatus for performing digital fractional minimum shift key modulation for a very small aperture terminal |
| 04/09/2002 | US6369647 Demodulator circuit and method of tuning |
| 04/04/2002 | DE10046584A1 Sensor arrangement e.g. for vehicle modulates current on conductors for transmitting sensor signals to control unit |
| 04/02/2002 | US6366307 Clock independent pulse width modulation |
| 03/28/2002 | WO2002025817A1 Distortion reduction method and apparatus for linearization of digital pulse width modulation by efficient calculation |
| 03/28/2002 | US20020036579 PWM power amplifier |
| 03/26/2002 | US6362769 Analogue-to-digital conversion using frequency-modulated input or intermediate values |
| 03/21/2002 | WO2002023736A1 Current sense ic |
| 03/21/2002 | US20020033734 Self-oscillating variable frequency closed loop class d amplifier |
| 03/06/2002 | CN1080518C Sine-wave modulator and play-back/recording modulator-demod-ulator for high-fidelity video play-back-recording system |
| 02/28/2002 | US20020024399 Voltage independent PWM base frequency generating method |
| 02/27/2002 | EP0941591B1 Transit modulator for jittering signals |
| 02/14/2002 | US20020017962 Modulation circuit and image display using the same |