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