| Patents for H03K 7 - Modulating pulses with a continuously-variable modulating signal (4,039) |
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| 03/31/2009 | US7511545 Analog duty cycle replicating frequency converter for PWM signals |
| 03/26/2009 | US20090080568 Signal generator with adjustable phase |
| 03/26/2009 | US20090080563 Signal generating apparatus and method thereof |
| 03/25/2009 | CN101394166A Triangle wave generating circuit, pulse width modulation circuit and audio power amplifying circuit |
| 03/24/2009 | US7509206 Electronic control unit for automobiles and output driver circuit used in the same |
| 03/24/2009 | US7508873 Digital amplifier, pulse width modulator thereof and method for reducing pop noise for the same |
| 03/24/2009 | CA2508156C Sonar transmitter |
| 03/19/2009 | WO2009034146A1 Increasing of pwm resolution by modulation |
| 03/19/2009 | WO2008134094A3 Apparatus and method for generating fine timing from coarse timing source |
| 03/19/2009 | US20090072761 Switching device for driving led array by pulse-shaped current modulation |
| 03/19/2009 | DE102007043340A1 Erhöhung der PWM-Auflösung durch Modulation Increase the PWM resolution through modulation |
| 03/18/2009 | CN101388661A Power saving circuit of pulse width modulation circuit |
| 03/18/2009 | CN101388595A PWM pulse controller |
| 03/17/2009 | US7505516 Ultra wide band (UWB) synchronisation search |
| 03/12/2009 | WO2009018222A3 Subranging for a pulse position and pulse width modulation based transmitter |
| 03/12/2009 | US20090069801 System and method for transmission of combined data stream |
| 03/12/2009 | US20090067487 Increasing pwm resolution by modulation |
| 03/12/2009 | US20090066435 Time modulation with cosine function |
| 03/12/2009 | US20090066382 Digital Pulse-Width-Modulator with Discretely Adjustable Delay Line |
| 03/11/2009 | EP1421690B1 Method and apparatus for encoding and decoding digital communications data |
| 03/11/2009 | CN100468959C Digital PWM input D class amplifier by PMW negative feedback |
| 03/05/2009 | US20090060023 Transmission circuit, cmos semiconductor device, and design method thereof |
| 03/05/2009 | US20090058549 Systems and Methods to Minimize Startup Transients in Class D Amplifiers |
| 03/04/2009 | EP1334411A4 Control system methods and apparatus for inductive communication across an isolation barrier |
| 03/04/2009 | CN101379703A Systems and methods for pulse width modulating asymmetric signal levels |
| 02/24/2009 | US7495491 Inverter based duty cycle correction apparatuses and systems |
| 02/19/2009 | US20090046773 System including reply signal that at least partially overlaps request |
| 02/18/2009 | CN101371540A Cartesian modulation system via multi-level pulse width modulation |
| 02/17/2009 | US7493355 Circuit configuration for averaging |
| 02/17/2009 | US7492842 Method for antenna diversity |
| 02/17/2009 | US7492311 Pulse wave radar device |
| 02/17/2009 | US7492233 Precision modulated controller output |
| 02/12/2009 | WO2009001254A3 Pulse width modulation circuit and class-d amplifier comprising the pwm circuit |
| 02/12/2009 | US20090041108 Cascaded phase pulse position and pulse width modulation based digital transmitter |
| 02/12/2009 | US20090040797 Pulse Width Modulation Method for a Power Converter |
| 02/05/2009 | WO2009018222A2 Subranging for a pulse position and pulse width modulation based transmitter |
| 02/05/2009 | US20090034603 Subranging for a pulse position and pulse width modulation based transmitter |
| 02/05/2009 | US20090033391 Circuits to delay a signal from a memory device |
| 02/04/2009 | EP2020750A1 Drive device, drive method, and information device |
| 02/04/2009 | CN101361002A Device and method for converting digital signal with high-voltage swinging to digital signal with low-voltage swinging |
| 02/03/2009 | US7487481 Receiver circuit for on chip timing adjustment |
| 02/03/2009 | US7487266 Communication system and method, and distributed control system and method |
| 02/03/2009 | US7486155 Circuit and method for pulse width modulation by means of synchronized, self-oscillating pulse width modulators |
| 02/03/2009 | CA2489126C Pulse width modulator circuit having negative bias |
| 01/29/2009 | US20090028235 Frequency modulation device and switching mode power supply using the same |
| 01/29/2009 | US20090027259 Radar oscillator capable of preventing leak of oscillation output |
| 01/28/2009 | EP2019488A1 Drive device |
| 01/28/2009 | EP2018700A2 Modulation of an rf transmit signal |
| 01/28/2009 | CN201188635Y Rapid peak-chopping device for multi-carrier |
| 01/27/2009 | US7483483 Ultra-wideband communication apparatus and methods |
| 01/22/2009 | US20090022327 System having a pulse width modulation device |
| 01/22/2009 | US20090021320 Cartesian modulation system via multi-level pulse width modulation |
| 01/21/2009 | EP2017957A2 Method of estimating an intersection between at least two continuous signal representations |
| 01/20/2009 | US7480331 Method and device for pulse width modulation |
| 01/20/2009 | US7480330 Method and apparatus to perform modulation using integer timing relationships between intra symbol modulation components |
| 01/20/2009 | US7479840 Digital pulse width controlled oscillation modulator |
| 01/15/2009 | WO2009008862A1 Improved pulse signaling for downhole telemetry |
| 01/15/2009 | US20090016424 Systems and methods for digital control utilizing oversampling |
| 01/15/2009 | US20090015344 Avoidance of Discontinuities When Switching Between Modulation Schemes |
| 01/15/2009 | US20090015305 Digitized method for generating pulse width modulation signals |
| 01/15/2009 | DE10320674B4 Pulsmodulator und Verfahren zur Pulsmodulation Pulse modulator and method for pulse modulation |
| 01/14/2009 | EP2013980A2 Method and apparatus for quality of service for packet communications |
| 01/14/2009 | CN101345513A Switching audio power amplifier with de-noise function |
| 01/08/2009 | WO2009006238A1 System, method and apparatus having improved pulse width modulation frequency resolution |
| 01/07/2009 | EP2012422A1 Drive control circuit for electric motor |
| 01/07/2009 | EP2011227A1 Phase modulator |
| 01/07/2009 | EP1687898B1 Electrical signalling system |
| 01/06/2009 | US7474136 Use of multiple voltage controlled delay lines for precise alignment and duty cycle control of the data output of a DDR memory device |
| 01/01/2009 | US20090003484 Device and method for communication using hybrid modulation |
| 01/01/2009 | US20090003428 Method and apparatus for treating a signal |
| 12/31/2008 | WO2009001254A2 Pulse width modulation circuit and class-d amplifier comprising the pwm circuit |
| 12/31/2008 | EP2009781A1 Drive control circuit for electric motor |
| 12/31/2008 | EP1733476A4 Dynamic differentiated link adaptation for ultra-wideband communication system |
| 12/31/2008 | EP1060563A4 Method and apparatus for compensating for delays in modulator loops |
| 12/31/2008 | CN101335511A Generation method of a variable analogue signal generated by a PWM signal and system generating such a signal |
| 12/25/2008 | US20080315967 Variable pulse-width modulation with zero d.c. average in each period |
| 12/24/2008 | EP2005589A2 Allowing immediate update of pulse width modulation values |
| 12/23/2008 | US7469021 Method and system for code reuse and capacity enhancement using null steering |
| 12/23/2008 | US7468639 Modulation circuit, driving circuit and output method |
| 12/17/2008 | EP2003783A2 Digital processing apparatus |
| 12/16/2008 | US7466753 Microcontroller having a digital to frequency converter and/or a pulse frequency modulator |
| 12/16/2008 | US7466752 Determination of the position of a pulse peak |
| 12/11/2008 | WO2008151251A1 Techniques for multi-wire encoding with an embedded clock |
| 12/11/2008 | US20080303564 On chip timing adjustment in multi-channel fast data transfer |
| 12/10/2008 | EP1405551B1 Programmable pwm module for controlling a ballast |
| 12/10/2008 | CN101322312A Method and device for generating dynamic transformation period frequency hopping sequence used for UWB signal |
| 12/09/2008 | US7463903 High speed interface for radio systems |
| 12/09/2008 | US7463682 Coding method for binary digits coding and its circuit for digits transmission |
| 12/09/2008 | US7463070 Switching device for driving LED array by pulse-shaped current modulation |
| 12/04/2008 | WO2008109061A3 Time domain symbols |
| 12/04/2008 | WO2008072182A3 Digital pulse modulators having free-running clock |
| 12/04/2008 | US20080298456 Hybrid Digital Digital/Analog Fm Multiplexer Transmitter |
| 12/04/2008 | US20080298454 Pulse Width Modulator Using Interpolator |
| 12/04/2008 | DE102008026115A1 Impulsbreitenmodulator, welcher einen Interpolator verwendet Pulse width modulator, which uses an interpolator |
| 12/04/2008 | DE102007025101A1 Biosensor for use in e.g. mining industry, has technical device with sensor surface plate made of copper, and insulation board made of wood, where surface plate radiates electromagnetic radiation |
| 12/03/2008 | CN101316114A Spread-spectrum modulation circuit, variable frequency triangular-wave generator and signal processing method |
| 12/02/2008 | US7459951 Self-calibrating digital pulse-width modulator (DPWM) |
| 11/27/2008 | WO2008110987A3 A data processing system for clipping correction |
| 11/27/2008 | WO2008005853A3 All- digital phase-locked loop for a digital pulse-width modulator |
| 11/27/2008 | WO2007149630A3 An efficient doppler compensation method and receiver for orthogonal-frequency-division-multiplexing (ofdm) systems |