Patents
Patents for H03K 7 - Modulating pulses with a continuously-variable modulating signal (4,039)
11/2005
11/17/2005US20050254594 Transponder load modulation
11/17/2005US20050254573 Method and apparatus having a digital PWM signal generator with integral noise shaping
11/17/2005US20050253649 Class-D amplifier
11/17/2005US20050253636 PWM controller having frequency jitter for power supplies
11/16/2005EP1596325A1 Charge modulation of a transponder
11/15/2005US6965260 System and method for increasing effective pulse-width modulated drive signal resolution and converter controller incorporating the same
11/10/2005US20050248378 Method of generating a pulsed output signal from a periodic ramp signal and a reference voltage, and a switch mode power converter
11/10/2005DE10342056B4 Additionsschaltung für Sigma-Delta-Modulatorschaltungen Addition circuit for sigma-delta-modulator circuits
11/09/2005EP1593203A2 Modulation of a digital input signal using a digital signal modulator and signal splitting
11/09/2005CN1694350A Class-D amplifier
11/03/2005US20050243894 Methods and circuits for frequency modulation that reduce the spectral noise of switching regulators
11/03/2005US20050242858 Apparatus and method for synchronized distributed pulse width modulation waveforms in microprocessor and digital signal processing devices
11/02/2005EP1592154A2 Methods and circuits for frequency modulation that reduce the spectral noise of switching regulators
10/2005
10/27/2005WO2005101285A1 Time-mode analog computation circuits and methods
10/27/2005US20050238125 Method of interfacing a high speed signal
10/27/2005US20050236903 Pulse width modulation signal generator
10/27/2005DE102004016073A1 Verfahren zur Erzeugung eines Impulsausgangssignals aus einem periodischen Sägezahnsignal und einer Referenzspannung, und getakteter Stromwandler A method for generating a pulse output signal from a periodic sawtooth signal and a reference voltage, and a clocked current transformer
10/25/2005US6959032 Method and apparatus for positioning pulses in time
10/20/2005US20050231398 Time-mode analog computation circuits and methods
10/19/2005EP1586156A2 Pulse-width modular circuit and method for controlling a pulse-width modular circuit
10/19/2005CN1685592A System and method for providing digital pulse width modulation
10/19/2005CN1224170C Method and an arrangement relating to telecommunications systems
10/18/2005US6956360 Switching power supply controller and switching power supply
10/13/2005WO2005096575A1 A circuit arrangement and a method to transfer data on a 3-level pulse amplitude modulation (pam-3) channel
10/13/2005DE19757636B4 Datenübertragungs-Verfahren und -Vorrichtung in einem Pulsamplitudenmodulations-Kommunikationssystem Data transmission method and apparatus in a pulse amplitude modulation communication system
10/12/2005CN1682435A Trimming of a two point phase modulator
10/06/2005US20050220232 Circuit arrangement and a method to transfer data on a 3-level pulse amplitude modulation (PAM-3) channel
10/06/2005DE102004059403A1 Licht-Zu-PWM-Wandler Light-to-PWM converter
10/05/2005CN1677177A Variable square-wave drive device
10/04/2005US6952131 Digital PWM input D class amplifier by PWM negative feedback
09/2005
09/29/2005US20050213654 Apparatus and method for digital phase control of a pulse width modulation generator for microprocessor/DSP in integrated circuits
09/29/2005US20050213653 Variable square-wave drive device
09/29/2005US20050212576 Pulse width modulation method and apparatus
09/29/2005DE102004011723A1 Digital-Analog-Wandler mit verschachteltem pulsweitenmodulierten Signal Digital-to-analog converter with the pulse width modulated signal interleaved
09/27/2005US6949973 Signal amplifier
09/22/2005US20050206544 Digital-to-analog conversion with an interleaved, pulse-width modulated signal
09/22/2005US20050206413 Current driving apparatus using PWM
09/15/2005WO2005048459A3 Signalling method and apparatus
09/15/2005US20050200302 Pulse width modulation circuit and illuminating device incorporating same
09/15/2005US20050199784 Light to PWM converter
09/14/2005EP1575171A1 Digital/analog conversion with an interleaved pulse width modulated signal
09/14/2005EP1573914A1 Hardware/software implementation of a pwm with enhanced features using a standard microprocessor
09/14/2005CN1667959A Digital analog conversion utilizing interfluent pulse width modulation signals
09/14/2005CN1667480A Light to PWM converter
09/10/2005CA2499981A1 Digital-to-analog conversion with an interleaved, pulse-width modulated signal
09/07/2005EP1570465A1 Multi-dimensional coding for high-density storage media applications
08/2005
08/31/2005CN1661920A Pulse-width modulation circuit and method
08/30/2005US6937084 Processor with dual-deadtime pulse width modulation generator
08/25/2005US20050185433 Device for amplitude adjustment and rectification made with MOS technology
08/25/2005US20050184778 Apparatus and method for increasing the performance of a clock-based digital pulse width modulation generator
08/24/2005EP1565986A1 Pwm generator
08/24/2005CN1659860A Image sensor circuit and method
08/23/2005US6934458 Method and apparatus for generating a pulse width modulated signal and optical attenuator controlled by a pulse width modulated signal
08/23/2005US6933872 Digital/analog converter circuit with a device for compensating nonlinear distortions
08/18/2005US20050180499 [circuit and method for pulse width modulation ]
08/18/2005US20050180490 Spread spectrum type clock generation circuit for improving frequency modulation efficiency
08/17/2005EP1563604A1 A linear dimming device for controlling the luminance of light emitting display devices, and method thereof
08/17/2005EP1563591A1 System and method for providing digital pulse width modulation
08/11/2005WO2005074135A1 Method and apparatus for driving multiple peripherals with different clock frequencies in an integrated circuit
08/11/2005US20050175137 Dual port modulator comprising a frequency synthesiser
08/10/2005CN1653683A Digital signal processor enhanced pulse width modulation amplifier
08/09/2005US6927613 Circuit generating constant narrow-pulse-width bipolarity cycle monocycles using CMOS circuits
08/03/2005EP1560336A1 Dual port modulator comprising a frequency synthesiser
08/03/2005CN1650512A Power oscillator for control of waveshape and amplitude
08/02/2005US6924681 Efficient pulse amplitude modulation transmit modulation
07/2005
07/26/2005US6922089 Digital frequency synthesizing circuit and system thereof using interpolation and linear feedback shift register (LFSR)
07/19/2005US6920054 Pulse width modulated generator
07/14/2005WO2005038645A3 Operation circuit and operation control method thereof
07/14/2005US20050151572 Circuit generating constant narrow-pulse-width bipolarity monocycles
07/13/2005EP1552611A1 Method and device for the production of two-channel or multi-channel pulse-width-modulated rectangular pulses
07/13/2005CN1210871C Signal transmission equipment
07/12/2005US6917231 Pulse width modulation circuit and illuminating device incorporating same
07/07/2005US20050146388 Method and device for pulse width modulation
07/07/2005US20050146366 High-resolution digital pulse width modulator and method for generating a high-resolution pulse width modulated signal
07/05/2005US6914472 Phase modulating system
06/2005
06/30/2005US20050140457 Linearized power amplifier modulator in an RFID reader
06/29/2005CN1633827A Switching device for driving a LED array
06/28/2005US6911874 Ultra-wideband impulse generation and modulation circuit
06/23/2005WO2005057787A1 A bi-phase modulator for ultra wideband signals
06/23/2005US20050135505 Frequency modulation circuit
06/23/2005US20050135474 Time sliced DSP operation for very high frequency pulse width modulated controllers
06/23/2005US20050134343 PWM signal generator
06/23/2005US20050134249 Circuit arrangement for regulating the duty cycle of electrical signal
06/23/2005US20050134243 Self-limiting pulse width modulation regulator
06/22/2005EP1545000A1 Circuit for regulating the duty cycle of an electrical signal
06/22/2005EP1327306A4 Current sense ic
06/22/2005CN1630195A 调频电路 FM circuit
06/16/2005WO2005046056A3 Method and apparatus for generating a distortionless pulse width modulated waveform
06/16/2005US20050127975 Spread spectrum clock generating circuit
06/16/2005DE10351649A1 Verfahren und Vorrichtung zum Synchronisieren eines Mobilfunkempfängers mit einer Besisstation Method and apparatus for synchronizing a mobile radio receiver with a Besisstation
06/15/2005EP1540821A2 Circuit configuration for averaging
06/14/2005US6907066 Arrangement for reducing transmitted jitter
06/09/2005US20050122238 Operation circuit and operation control method thereof
06/09/2005US20050122183 Pulse width modulator circuit having negative bias
06/09/2005DE10302379B4 Pulsweitenmodulatorschaltung und Verfahren zur Ansteuerung einer Pulsweitenmo- dulatorschaltung Pulse width modulator circuit and method for driving a pulse-width dulatorschaltung
06/08/2005EP1538753A1 Phase-combining circuit and timing signal generator circuit for carrying out a high-speed signal transmission
06/07/2005US6903619 Electromagnetic wave transmitter systems, methods and articles of manufacture
06/02/2005WO2005018083A3 Self-limiting pulse width modulation regulator
06/02/2005US20050117679 Method and apparatus for synchronization of a mobile radio receiver to a base station
06/02/2005US20050116786 Amplitude and phase modulation using dual digital delay vectors
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