Patents
Patents for H03K 7 - Modulating pulses with a continuously-variable modulating signal (4,039)
11/2008
11/26/2008EP1995655A1 Voltage regulation system
11/20/2008WO2008019287A3 Replica linearized power amplifier
11/20/2008US20080284479 Method of forming a pwm controller and structure therefor
11/20/2008DE102007034721A1 Pulsgenerator zur Pulserzeugung und/oder Pulsmodulation Pulse generator for pulse generation and / or pulse modulation
11/19/2008EP1639702B1 Self-oscillating power circuit
11/19/2008CN101308390A Pulse adding scheme for smoothing phase interruption
11/18/2008US7453596 Digital pulse width modulator for use in electrostatic printing mechanisms
11/13/2008WO2008137652A1 Power factor correction controller using a nonlinear delta- sigma modulator
11/13/2008US20080278361 Asymmetric PWM signal generator, method thereof, and data processing apparatus including the same
11/13/2008US20080278253 Pulse Width Modulator System
11/13/2008US20080278209 Method of pulse width modulation signal processing and device including signal processing for pulse width modulation
11/12/2008EP1990916A2 Frequency modulator.
11/12/2008EP1570465A4 Multi-dimensional coding for high-density storage media applications
11/12/2008CN101304247A Multi-period random digit pulse-width modulation circuit and method
11/12/2008CN100433546C Digital signal processor enhanced pulse width modulation amplifier
11/11/2008US7450637 Ultra-wideband communication apparatus and methods
11/11/2008US7450058 Radar oscillator capable of preventing leak of oscillation output
11/06/2008US20080273587 Sensor, More Specifically a Position Sensor, for a Vehicle With Several On-Board Measuring Systems Working Independently From One Another
11/06/2008US20080272904 Signalling Method
11/04/2008US7447277 Ofdm demodulation device
11/04/2008US7447251 Frequency hopping spread spectrum scheme for RFID reader
11/04/2008US7446626 Directional couplers for RF power detection
11/04/2008US7446621 Circuit and method for switching PFM and PWM
10/2008
10/30/2008US20080266016 Semiconductor Switch with Integrated Delay Circuit
10/29/2008EP1986019A1 Burst oscillation device, burst oscillation method, and distance measurement communication system
10/29/2008EP1985018A2 Systems and methods for pulse width modulating asymmetric signal levels
10/28/2008USRE40549 Circuitry for a high voltage linear current sense IC
10/28/2008US7443147 DC-DC converter with step-up and step-down control capable of varying the offset voltage of the PWM triangle
10/23/2008US20080260019 Burst oscillation device, burst oscillation method, and ranging/communication system
10/23/2008US20080260018 Suppression of high-frequency perturbations in pulse-width modulation
10/23/2008US20080258834 Pulse width modulation circuit
10/23/2008US20080258833 Signal Generator With Directly-Extractable Dds Signal Source
10/23/2008US20080258787 Power Supply Controller
10/22/2008EP1983400A1 PWM channel controller with direct memory access
10/22/2008EP1983399A1 PWM control channels extension
10/16/2008US20080252243 Ad conversion control circuit and related arts
10/15/2008EP1980073A1 Cartesian modulation system via multi-level pulse width modulation
10/15/2008EP1979754A1 Arrangement and method for converting a digital signal with a large voltage swing into a digital signal with a voltage swing which is smaller than the latter
10/15/2008CN100426643C Switch regulator
10/14/2008US7436916 Pulse modulator and PPM demodulation determining circuit employed in ultra wideband wireless communications
10/14/2008US7436883 Nonlinear inversion
10/14/2008US7436881 Per-bin DFE for advanced OQAM-based multi-carrier wireless data transmission systems
10/14/2008US7436235 Digital clock modulator
10/14/2008CA2401893C Digital-to-analog interface circuit having adjustable time response
10/08/2008EP1978640A2 Optical attenuator
10/07/2008US7433404 Apparatus for higher resolution pulse width modulation duty cycle
10/07/2008US7433403 Pulse width modulation method for a power converter
09/2008
09/30/2008CA2516650C Pulse output function for programmable logic controller with linear frequency change
09/24/2008EP1972057A1 Method and apparatus for generating dynamically varying time hopping sequences for uwb signals
09/23/2008US7428282 Timing recovery of PAM signals using baud rate interpolation
09/18/2008WO2008110987A2 A data processing system for clipping correction
09/18/2008US20080225984 Digital Polar Transmitter
09/18/2008US20080225938 Digital pulse frequency/pulse amplitude (dpfm/dpam) controller for low-power switching-power supplies
09/18/2008US20080224788 Method and Apparatus for Pulse width Modulation in a Switching Amplifier
09/17/2008EP1971029A1 Pulse width modulator
09/17/2008EP1971023A1 Suppression of high-frequency perturbations in pulse-width modulation
09/12/2008WO2008109061A2 Time domain symbols
09/11/2008US20080218284 Circuit and method for switching PFM and PWM
09/11/2008DE112006002710T5 PWM-Signalgenerator PWM signal generator
09/10/2008EP1269628B1 Method and apparatus for generating a pulse width modulated signal
09/10/2008CN101263655A Generating a pulse signal with a modulated duty cycle
09/04/2008WO2008106456A2 Universal and fault-tolerant multiphase digital pwm controller for high-frequency dc-dc converters
09/04/2008US20080212707 Method and system for a digital polar transmitter
09/04/2008US20080212691 Signalling Method and Apparatus
09/04/2008US20080212669 Pulse generator, communication device, and pulse generation method
09/04/2008US20080212668 Data Transmission Method, Transmitter and Receiver Therefor
09/04/2008US20080211594 Multi-Channel Pulse Modulator System
09/03/2008CN100417020C Method and apparatus for generating a pulse width modulated signal and optical attenuator controlled by a pulse width modulated signal
09/02/2008US7420399 Duty cycle corrector
08/2008
08/28/2008WO2008084419A3 Predistortion of pulse modulator for correction of slewing distortion
08/28/2008WO2008042221A3 Low power and low complexity adaptive self-linearization
08/28/2008US20080205542 Method and system for efficient transmission and reception of rf energy in mimo systems using polar modulation and direct digital frequency synthesis
08/28/2008US20080204161 Pwm Signal Generating Circuit
08/28/2008US20080204160 Universal and fault-tolerant multiphase digital pwm controller for high-frequency dc-dc converters
08/28/2008US20080204099 Clock generator and clock duty cycle correction method
08/28/2008US20080203933 Pulse width modulation signal generating circuit
08/27/2008EP1520345B1 Pulse width modulation signal generator
08/27/2008CN101252397A Pulse density modulator used for TD-SCDMA and 4G terminal
08/26/2008US7418036 Method and circuit for timing pulse generation
08/26/2008US7417476 Power-on-reset circuit with output reset to ground voltage during power off
08/21/2008US20080198917 Pulse-based communication for devices connected to a bus
08/21/2008US20080197935 Arrangement for Pulse-Width Modulating an Input Signal
08/20/2008CN100413210C Modulation circuit device, modulation method and radio communication device
08/14/2008WO2007081327A8 Method and apparatus for generating dynamically varying time hopping sequences for uwb signals
08/14/2008US20080192841 Device and Methods for Biphasic Pulse Signal Coding
08/14/2008US20080192811 Beamforming methods and apparatus
08/14/2008DE102008006728A1 Klasse-D-Leistungsverstärker Class-D power amplifier
08/13/2008CN101242171A Pulse width modulator
08/13/2008CN100411303C Method and apparatus for transformation from impulse code modulation to impulse-width modulation
08/12/2008US7411448 Class-D amplifier
08/12/2008US7411435 Duty detection circuit
08/07/2008WO2008095145A1 Low rf interference switching amplifier and method
08/07/2008WO2007124235B1 Method and apparatus for quality of service for packet communications
08/07/2008DE10351649B9 Verfahren und Vorrichtung zum Synchronisieren eines Mobilfunkempfängers mit einer Basisstation Method and apparatus for synchronizing a mobile radio receiver with a base station
08/06/2008EP1953428A2 Transmisssion
08/05/2008CA2524020C Pulse modulator and pulse modulation method
07/2008
07/31/2008WO2007090164A3 Systems and methods for pulse width modulating asymmetric signal levels
07/31/2008US20080181331 Pulse amplitude modulated system with reduced intersymbol interference
07/31/2008US20080181294 Bandwidth selection for FM applications
07/31/2008US20080181293 Method for Coordinating Triggering of Analog-to-Digital Conversions Relative to Pulse Width Modulation Cycle Timing
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