| Patents for H03K 7 - Modulating pulses with a continuously-variable modulating signal (4,039) |
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| 02/06/2002 | EP1178605A1 Method and device for pulse width modulation |
| 02/06/2002 | EP1178388A1 PCM/PWM converter with PWM power amplifier |
| 01/29/2002 | US6342822 Method and apparatus for implementing improved pulse width modulation |
| 01/08/2002 | US6337591 Circuitry for a high voltage linear current sense IC |
| 01/02/2002 | EP1166446A1 Method and apparatus for providing pulse width modulation |
| 12/27/2001 | US20010055353 Method and apparatus for amplitude and pulse modulation |
| 12/20/2001 | US20010052827 Multi-channel pulse width modulation apparatus and down counter |
| 12/19/2001 | EP0944957B1 Very low duty cycle pulse width modulator |
| 12/19/2001 | EP0818122B1 Improvements in or relating to loudspeakers |
| 12/19/2001 | CN1327223A Modulation circuit and image display using said modulation circuit |
| 12/04/2001 | US6327424 Method of and circuit for operating a motor using power transistors |
| 12/04/2001 | US6326917 Scanner-control device |
| 11/29/2001 | WO2000070762A9 Digital amplifier linearization using analog feedback |
| 11/22/2001 | US20010043652 Digital pulse-width-modulation generator |
| 11/20/2001 | US6320768 Power supply pulse width modulation (PWM) control system |
| 11/20/2001 | US6320434 Circuit and method for generating a synchronous clock signal |
| 11/13/2001 | US6317457 Pulse density modulator |
| 11/13/2001 | US6317340 Circuit configuration for driving a pulse width modulator in a switched mode power supply |
| 11/07/2001 | CN1074614C Device for production of nanosecond modulated narrow pulse |
| 10/30/2001 | US6310913 Circuit and method for modulating pulse width |
| 10/30/2001 | US6310906 Chaotic carrier pulse position modulation communication system and method |
| 10/17/2001 | EP0775384B1 Digital pulse width modulator with integrated test and control |
| 10/09/2001 | US6299272 Pulse width modulation for correcting non-uniformity of acoustic inkjet printhead |
| 10/04/2001 | DE10114942A1 Linear system for pulse width modulation uses a control voltage to make available a pulse width modulated signal changing over a full range of modulation degrees in a linear manner with the control voltage. |
| 09/27/2001 | WO2001071914A1 Method and apparatus for generating a pulse width modulated signal and optical attenuator controlled by a pulse width modulated signal |
| 09/19/2001 | EP0988704B1 Analogue-to-digital conversion using frequency-modulated input or intermediate values |
| 08/21/2001 | US6278301 Circuit and method for modulating the base frequency of a waveform generator |
| 08/16/2001 | US20010013814 Contactless IC card system |
| 08/08/2001 | EP1122973A2 Digital pulse-width-modulation generator |
| 08/02/2001 | US20010010482 Circuit for amplifying and outputting audio signals |
| 08/01/2001 | EP1119961A1 Self calibrating pulse width modulator for use in electrostatic printing applications |
| 08/01/2001 | EP1119901A1 Frequency to frequency de-randomiser circuit |
| 07/31/2001 | US6269134 Data transmission method and apparatus in pulse amplitude modulation communication system |
| 07/11/2001 | EP1115201A1 Digital phase analyzer and synthesizer |
| 07/03/2001 | US6255866 Digital phase analyzer and synthesizer |
| 06/27/2001 | CN1301429A Circuit for controlling a pulse width modulator in a switched-mode power supply |
| 06/21/2001 | DE10060991A1 Three phase pulse width modulation waveform generator for changing AC motor speed, has counting control unit which outputs counter enable signals to count externally input clock signals |
| 06/19/2001 | US6249161 Method and device for generating a pulse signal with modulable-width pulses |
| 06/12/2001 | US6246296 Pulse width modulator (PWM) with high duty cycle using bootstrap capacitor |
| 05/31/2001 | DE19953121A1 Controlling audio system involves generating pulse width modulated signal modulated by audio signal, output on data line of audio interface with bit width is halved to double sampling rate |
| 05/30/2001 | EP1104110A2 Phase-combining circuit and timing signal generator circuit for carrying out a high-speed signal transmission |
| 05/23/2001 | CN1296666A Method and apparatus for compensating for delays in modulator loops |
| 05/23/2001 | CN1296338A 间歇式脉冲调制电路 Intermittent pulse modulation circuit |
| 05/08/2001 | US6229366 Off-line converter with integrated softstart and frequency jitter |
| 05/02/2001 | EP1096715A2 Data recovery for wireless digital audio system |
| 05/02/2001 | EP1096680A2 A pulse width modulation circuit |
| 05/02/2001 | EP1096679A2 Pulse width modulation for correcting non-uniformity of acoustic inkjet printhead |
| 05/01/2001 | US6226324 Methods and systems for trimming a PWM signal |
| 04/26/2001 | WO2001029997A1 Spread spectrum pulse width modulator clock |
| 04/25/2001 | EP1094381A2 Self-modulated type clock generating circuit |
| 04/24/2001 | US6222880 Data transmission terminal and contactless data/power delivery method for use therewith |
| 04/18/2001 | CN1292168A Method in compensation of unlinearities in amplifier, amplifier, and uses of method and amplifier |
| 04/17/2001 | US6219380 Pulse position modulation based transceiver architecture with fast acquisition slot-locked-loop |
| 04/11/2001 | EP1090459A2 Method for software driven generation of multiple simultaneous high speed pulse width modulated signals |
| 04/10/2001 | US6215435 Linear current sensing circuit for motor controller |
| 04/05/2001 | DE19946007A1 Vorrichtung zur Erzeugung von digitalen Steuersignalen An apparatus for generating digital control signals |
| 04/03/2001 | US6212230 Method and apparatus for pulse position modulation |
| 04/03/2001 | US6212051 Pulse-width modulator current limiter |
| 04/03/2001 | US6211746 Integration method and integration circuit offering improved signal-to-noise ratio, and voltage-controlled oscillator and frequency-voltage converter employing integration circuit |
| 04/03/2001 | US6211697 Integrated circuit that includes a field-programmable gate array and a hard gate array having the same underlying structure |
| 03/28/2001 | EP1087285A2 Apparatus for generating digital control signals |
| 03/27/2001 | US6208217 Ask modulator with frequency dependent voltage divider |
| 03/27/2001 | US6208216 Phase-locked-loop pulse-width modulation system |
| 03/27/2001 | CA2320643A1 Device for generating digital control signals |
| 03/21/2001 | CN2424578Y Pulse step modulator |
| 03/13/2001 | US6201414 Pulse width modulation circuit |
| 03/06/2001 | US6198361 Contactless IC card system |
| 02/28/2001 | CN1062694C Pulse modulated circuit |
| 02/27/2001 | US6195133 Digital automatic gain control (AGC) circuit |
| 02/27/2001 | US6194936 Pulse generator provided with a duty-factor limiting function |
| 02/22/2001 | WO2001013518A1 Chaotic carrier pulse position modulation communication system and method |
| 02/21/2001 | EP1077529A1 Phase modulation having individual placed edges |
| 02/15/2001 | DE10031642A1 Pulse width modulation signal generator in microcomputer for invertor, sets or resets pulse width modulation signal using period or duty coincidence signal and resets timer to zero using either of coincidence signal |
| 02/14/2001 | EP1075732A1 A method in the compensation of unlinearities in an amplifier, an amplifier, and uses of the method and the amplifier |
| 02/06/2001 | US6184807 Glitch-free bi-phased encoder |
| 02/01/2001 | WO2001008307A1 Electronic drive control mechanism |
| 02/01/2001 | DE19935045A1 Elektronische Antriebssteuerung Electronic traction control |
| 01/17/2001 | CN1280101A Improved pulse processing instrument |
| 01/11/2001 | DE19931824A1 Pulse width modulated signal output method involves two operating states in which width of high or low signal level can be output and/or further processed according to predefined duty cycle |
| 01/09/2001 | US6173017 Transit modulator for jittering signals |
| 01/02/2001 | US6169428 Single supply voltage to frequency converter optimized for low voltage sensing above and below ground |
| 12/28/2000 | DE19928907A1 Steuerschaltung Control circuit |
| 12/27/2000 | EP1062728A1 Circuit for controlling a pulse width modulator in a switched-mode power supply |
| 12/27/2000 | CN1059994C Phase delaying device |
| 12/26/2000 | US6166821 Self calibrating pulse width modulator for use in electrostatic printing applications |
| 12/21/2000 | WO2000077958A1 Method for wireless data transmission |
| 12/21/2000 | DE19927318A1 Verfahren zur drahtlosen Übertragung von Daten Method for wireless transmission of data |
| 12/20/2000 | EP1061649A1 Circuit arrangement and method for controlling a load |
| 12/20/2000 | EP1060563A1 Method and apparatus for compensating for delays in modulator loops |
| 12/05/2000 | US6157671 Apparatus and method for digitally monitoring a duty cycle of a pulse width modulated signal |
| 11/23/2000 | WO2000070762A1 Digital amplifier linearization using analog feedback |
| 11/02/2000 | WO2000065716A1 Circuitry for a high voltage linear current sense ic |
| 10/17/2000 | US6133771 Device for generating pulses of high-precision programmable duration |
| 10/10/2000 | US6130910 Method and apparatus for high efficiency wideband power amplification |
| 10/05/2000 | WO2000059114A1 Method and apparatus for providing pulse width modulation |
| 10/05/2000 | CA2380705A1 Method and apparatus for providing pulse width modulation |
| 10/04/2000 | EP1040558A1 Method for influencing the electrical power of a load with a pulse width modulated signal |
| 08/24/2000 | WO2000049713A1 Digital pulse width modulator |
| 08/22/2000 | US6108376 Reception and demodulation of widely spaced pulse position modulated signals |
| 08/22/2000 | US6107851 Offline converter with integrated softstart and frequency jitter |