Patents for H03K 7 - Modulating pulses with a continuously-variable modulating signal (4,039) |
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12/16/2004 | US20040251981 Contactless IC card system |
12/16/2004 | US20040251942 PWM buffer circuit for adjusting a frequency and a duty cycle of a PWM signal |
12/16/2004 | US20040251941 High-precision current-mode pulse-width-modulation circuit |
12/09/2004 | WO2004084392A3 Dc-dc converter with reduced electromagnetic interference |
12/09/2004 | US20040247047 Electromagnetic wave transmitter systems, methods and articles of manufacture |
12/09/2004 | US20040247027 Clock generator circuit using phase modulation technology and method thereof |
12/09/2004 | US20040246613 Voltage mode current-assisted pre-emphasis driver |
12/07/2004 | US6829308 Satellite communication system utilizing low density parity check codes |
12/07/2004 | US6828836 Two comparator voltage mode PWM |
12/02/2004 | WO2004105242A2 Method of estimating an intersection between at least two continuous signal representations |
12/02/2004 | WO2004105233A1 Method of estimating an intersection between at least two continuous signal representations |
12/02/2004 | US20040240540 Pulse width modulation signal generating circuit |
11/30/2004 | US6823869 Mask assembly |
11/25/2004 | WO2004084388A3 Sinewave inverter using hybrid regulator |
11/25/2004 | US20040233982 Apparatus and method for generating pulse based on time delay and wave transform and transmitter of multi-frequency band communication system using the same |
11/25/2004 | US20040232967 Clock generation circuit capable of setting or controlling duty ratio of clock signal and system including clock generation circuit |
11/24/2004 | EP1479270A1 Switching device for driving a led array |
11/23/2004 | US6822588 Pulse width modulation systems and methods |
11/23/2004 | US6822499 Clock modulating circuit |
11/18/2004 | WO2004100373A1 Enabling method to prevent glitches in waveform |
11/18/2004 | US20040230347 Electronic control unit for automobiles and output driver circuit used in the same |
11/17/2004 | EP1477656A2 Electronic control unit for automobiles and output driver circuit used in the same |
11/16/2004 | US6819190 Robust fractional clock-based pulse generator for digital pulse width modulator |
11/16/2004 | US6819154 Constant deadtime control in a feed forward enabled pulse width modulator controller |
11/11/2004 | WO2004034564A3 Trimming of a two point phase modulator |
11/11/2004 | US20040222907 Digital/analog converter circuit with a device for compensating nonlinear distortions |
11/11/2004 | US20040222866 Digital pulse width modulation |
11/04/2004 | WO2004075403A3 Electronic circuit with array of programmable logic cells |
11/04/2004 | US20040217796 Enabling method to prevent glitches in waveform of arbitrary phase |
11/03/2004 | EP1472802A2 Ultra-wideband impulse generation and modulation circuit |
11/02/2004 | US6812762 Fast mono-cycle generating circuit using full rail swing logic circuits |
11/02/2004 | US6812666 Current sense IC with circuitry for eliminating ripple current error from motor current measurement |
10/28/2004 | US20040212524 PWM signal generator and PWM signal generating method |
10/27/2004 | EP1471640A2 PWM signal generator and PWM signal generating method |
10/21/2004 | US20040207465 Multi level Class-D amplifier by means of 2 physical layers |
10/20/2004 | EP1469594A1 Multi level Class-D amplifier by means of 2 physical layers |
10/20/2004 | CN1538762A Modulation demodulation method and device |
10/20/2004 | CN1172280C Modulation cirucit and image display using said modulation circuit |
10/14/2004 | US20040201407 Current controlled pulse width modulation circuit and class-D amplifier comprising the same |
10/13/2004 | EP1466412A1 Method and apparatus for generating a pulse width modulated signal |
10/13/2004 | CN1536757A Output control device of pulse width modulated inverter |
10/12/2004 | US6803798 Output control apparatus of pulse width modulator |
10/07/2004 | US20040196898 Duty factor encoded data and clock transmission |
09/30/2004 | WO2004084392A2 Dc-dc converter with reduced electromagnetic interference |
09/30/2004 | WO2004084388A2 Sinewave inverter using hybrid regulator |
09/30/2004 | US20040189348 Asynchronous fault detection circuit for a PWM driver |
09/30/2004 | US20040189272 Switching power supply controller and switching power supply |
09/29/2004 | EP1463204A1 A method of impulse acreage modulation digital power processing and its device |
09/29/2004 | EP1463203A2 Asynchronous fault detection circuit for a PWM driver |
09/28/2004 | US6798303 Clock signal generating device |
09/23/2004 | WO2004065198A3 Pulse-width modular circuit and method for controlling a pulse-width modular circuit |
09/23/2004 | US20040183579 Output control apparatus of pulse width modulator |
09/23/2004 | US20040183511 DC-DC converter with reduced electromagnetic interference |
09/23/2004 | DE10355148A1 Verfahren und System zum Durchführen eines Während-Betrieb-Abtastens unter Verwendung einer Minimal-Zyklus-Verzögerung-Synchronisation A method and system for performing an operation while using a minimum-sampling cycle delay synchronization |
09/21/2004 | US6794917 System and method for generating minimum on-time pulses |
09/16/2004 | US20040179830 PWM driving apparatus |
09/16/2004 | US20040178838 Variable pulse width and pulse separation clock generator |
09/15/2004 | EP1458085A2 PWM output driver for two loads |
09/15/2004 | EP1456948A1 Method and apparatus to generate on-off keying signals suitable for communications |
09/15/2004 | CN1167198C Electronic drive contrl mechanism |
09/09/2004 | US20040174222 Phase modulating system |
09/08/2004 | CN1166059C Equipment used for required sequence change pulse width modulation |
09/07/2004 | US6788792 Device for amplitude adjustment and rectification made with MOS technology |
09/07/2004 | US6788120 Counter-based duty cycle correction systems and methods |
09/02/2004 | WO2004075403A2 Electronic circuit with array of programmable logic cells |
08/31/2004 | US6784730 Contactless IC card system |
08/31/2004 | US6784710 Multistage pulse width modulator |
08/19/2004 | US20040160252 Circuit arrangement and method for producing a pulse width modulated signal |
08/18/2004 | CN1522555A Programmable PWM module for controlling a ballast |
08/18/2004 | CN1522494A Method and an arrrangement relating to telecommunications systems |
08/17/2004 | US6778603 Method and apparatus for generating a pulse train with specifiable spectral response characteristics |
08/17/2004 | US6778011 Pulse-width modulation circuit and power amplifier circuit |
08/12/2004 | US20040156642 Method and apparatus for generating a pulse width modulated signal and optical attenuator controlled by a pulse width modulated signal |
08/12/2004 | DE10302379A1 Pulsweitenmodulatorschaltung und Verfahren zur Ansteuerung einer Pulsweitenmo- dulartorschaltung Pulse width modulator circuit and method for driving a pulse-width dulartorschaltung |
08/11/2004 | EP1444785A1 Digital/analog converter circuit with a device for compensating nonlinear distortions |
08/10/2004 | US6775114 Electronic drive control apparatus |
08/05/2004 | WO2004065198A2 Pulse-width modular circuit and method for controlling a pulse-width modular circuit |
08/05/2004 | US20040150439 Constant deadtime control in a feed forward enabled pulse width modulator controller |
08/05/2004 | DE10360034A1 Verfahren zur Pulsweitenmodulation, Pulsweitenmodulator, Verfahren zur Stromkonvertierung und Stromkonverter A method of pulse width modulation, pulse-width modulator, method for current conversion and current converter |
08/05/2004 | DE10301501A1 Schaltungsanordnung und Verfahren zur Erzeugung eines Pulsweiten-modulierten Signals Circuit arrangement and method for generating a pulse-width-modulated signal |
07/29/2004 | WO2004030211A3 Circuit configuration for averaging |
07/29/2004 | US20040146101 High resolution digital pulse width modulator for DC-DC voltage converter |
07/20/2004 | US6765449 Pulse width modulation circuit |
07/20/2004 | US6765435 Phase locked loop demodulator and demodulation method using feed-forward tracking error compensation |
07/20/2004 | US6765422 High resolution fan control at high PWM frequency with a low clock frequency input |
07/15/2004 | WO2004059848A2 Modulation of a digital input signal using a digital signal modulator and signal splitting |
07/15/2004 | US20040136454 System and method for digital transmission and modulation of conjugate pulse position |
07/14/2004 | CN1512658A Step motor driving device and method |
07/14/2004 | CN1512651A Switch regulator |
07/08/2004 | US20040131127 Rfic transceiver architecture and method for its use |
07/08/2004 | US20040131114 Pulse width modulation method, pulse width modulator, power conversion method and power converter |
07/07/2004 | CN1510829A Phase-locked ring demodulator with feed forward tracking error compensation and demodulation method thereof |
07/06/2004 | US6760385 Universal parallel processing decoder |
07/01/2004 | WO2004055964A1 Digital programmable pulse modulator with digital frequency control |
07/01/2004 | US20040124938 Trimming of a two point phase modulator |
07/01/2004 | US20040124804 Stepping motor drive device and method |
06/29/2004 | US6756831 Wide dynamic pulse width modulation neuron circuit |
06/24/2004 | WO2004054104A1 Hardware/software implementation of a pwm with enhanced features using a standard microprocessor |
06/24/2004 | US20040120395 Digital pulse modulation arrangements |
06/24/2004 | US20040119548 Phase locked loop demodulator and demodulation method using feed-forward tracking error compensation |