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