Patents
Patents for H03K 7 - Modulating pulses with a continuously-variable modulating signal (4,039)
08/2010
08/12/2010US20100201455 Predictive pulse width modulation for an open delta h-bridge driven high efficiency ironless permanent magnet machine
08/11/2010CN201550090U Pulse modulator
08/11/2010CN101800529A Pulse signal modulation and power amplification circuit
08/11/2010CN101800528A Method and device for extending controller PWM resolution
08/10/2010US7773669 Cascaded phase pulse position and pulse width modulation based digital transmitter
08/05/2010WO2010088661A1 System and method of pulse generation
08/04/2010CN1677177B Variable square-wave drive device
07/2010
07/29/2010WO2010083628A1 Apparatus and method for dimming a backlight with pseudo-random phase delay
07/28/2010CN101789774A All-digital pulse width control circuit
07/27/2010US7764734 Digital pulse width modulation with variable period and error distribution
07/27/2010US7764107 Multiplexer circuit with combined level shifting and delay control functions
07/22/2010WO2010082954A1 Pulse-width modulation (pwm) with independently adjustable duty cycle and frequency using two adjustable delays
07/22/2010WO2010082245A1 Load driving device
07/22/2010US20100183066 Digital to time converter and digital to time converting method
07/22/2010US20100181846 PWM control apparatus and method for PWM control
07/21/2010CN101785186A Pwm control method and device, and light adjusting device
07/20/2010US7760041 Pulse-width modulator methods and apparatus
07/15/2010US20100176881 Pulse width modulation circuit and class-d amplifier comprising the pwm circuit
07/15/2010US20100176857 Apparatus for outputting complementary signals using bootstrapping technology
07/14/2010EP2206231A1 Signal simulation apparatus and method
07/14/2010CN201528323U EMI improvement circuit based on spread spectrum conversion technology
07/14/2010CN201528322U Full solid wide pulse floating-deck modulator
07/14/2010CN101777915A Digital processor with pulse width modulation module and its method
07/14/2010CN101777895A Digital processor with pulse width modulation module and its method
07/14/2010CN101777894A Digital processor with pulse width modulation module and its method
07/14/2010CN101777893A Digital processor with pulse width modulation module and its method
07/13/2010US7755406 Duty cycle correction circuit with wide-frequency working range
07/08/2010WO2010078501A1 Electrical pulse data transmission using a look-up table
07/08/2010US20100172401 Electrical pulse data transmission using a look-up table
07/07/2010CN101771404A LED control chip
07/06/2010US7751471 Pulse width modulation regulator system with automatically switching pulse skipping mode
07/06/2010US7750702 Pulse generation circuit and UWB communication device
07/01/2010WO2010072550A1 Mixed-signal transmission circuit for switching power amplifiers
07/01/2010US20100164579 Low cost ultra versatile mixed signal controller circuit
06/2010
06/30/2010EP2201683A1 Increasing of pwm resolution by modulation
06/30/2010CN101765972A Subranging for a pulse position and pulse width modulation based transmitter
06/29/2010US7746926 Pulse width modulation regulator system with automatically switching pulse skipping mode
06/24/2010US20100156527 Spread spectrum pulse width modulation method and apparatus
06/24/2010US20100156493 Circuit device to produce an output signal including dither
06/23/2010CN101753118A Method and device for adjusting pulse width of pulse width modulation signals
06/22/2010US7741927 PWM control circuit and motor equipped with the same
06/17/2010DE19653112B4 Schalt-Gradienten-Verstärkereinrichtung mit anpaßbarer Gleichspannungs-Bus-Spannung Switching gradient amplifier device with adjustable DC bus voltage
06/17/2010DE112008001993T5 Bilden von Unterbereichen für einen auf Pulsphasen- und Pulsbreitenmodulation basierten Sender Form of sub-regions based on a Pulsphasen- and pulse width modulation transmitter
06/16/2010CN1659860B Image sensor circuit and method
06/16/2010CN101741355A Waveform converting device
06/10/2010US20100141349 Universal and fault-tolerant multiphase digital pwm controller for high-frequency dc-dc converters
06/10/2010US20100141225 Active pulse positioning modulator
06/09/2010CN1902820B Signalling system
06/09/2010CN1716774B Pulse width modulation circuit
06/09/2010CN101188407B A digital natural impulse modulation method and device
06/09/2010CN101183855B D-type amplifier
06/02/2010EP2191571A1 Signal generator with adjustable frequency
06/01/2010US7728689 Pulse width modulator system
06/01/2010US7728680 Method and circuit configuration for transmitting a two-valued signal
05/2010
05/27/2010WO2010059938A1 Method and systems for digital pulse width modulator
05/27/2010WO2010058310A2 Decomposer and amplifier
05/27/2010US20100129060 Digital broadcast receiving apparatus and method
05/27/2010US20100128775 Apparatus and method for transmitting signal in wireless communication system
05/27/2010US20100127789 Methods and systems for digital pulse width modulator
05/26/2010CN201491001U Circuit used for making ultra wide band voltage-controlled oscillator
05/26/2010CN201490990U Novel modulator circuit
05/25/2010US7724105 System and method of shaping a power spectrum in PWM amplifiers
05/25/2010US7724054 Gate driver with programmable dead-time insertion
05/25/2010CA2460293C Apparatus for fractional rf signal synthesis with phase modulation
05/20/2010US20100124269 Method for modulating and demodulating data
05/19/2010CN101711457A Niversal and fault-tolerant multiphase digital PWM controller for high-frequency DC-DC converters
05/18/2010US7719377 Alternating digital RF modulation
05/18/2010US7719376 Avoidance of discontinuities when switching between modulation schemes
05/13/2010US20100117753 Radio frequency modulator
05/13/2010US20100117752 Multi-channel digital pulse width modulator (dpwm)
05/13/2010US20100117751 Digital pulse modulators having free running clock
05/12/2010CN1829085B Tri-state pulse density modulator
05/12/2010CN101093986B Pulse width modulation (PDM) circuit, and PDM integrate circuit in use for the PDM circuit
05/11/2010US7714675 All digital Class-D modulator and its saturation protection techniques
05/11/2010US7714545 Controller of generator for vehicle
05/05/2010CN1848683B Trianglar-wave generator and pulse-width modulation signal generating circuit containing the same
05/04/2010US7711069 Distortion-compensation amplification apparatus and distortion compensation method
05/04/2010US7710214 Pulse width modulation structure enabling regulated duty cycle
05/04/2010US7710213 Method for voltage limitation in a transponder
05/04/2010US7710174 Digital pulse-width modulator based on non-symmetric self-oscillating circuit
04/2010
04/27/2010US7706439 Signal transmitting and receiving method over wireless network and a reader
04/27/2010US7706438 Circuits and methods for reducing noise and distortion in pulse width modulation systems
04/27/2010US7705689 Synchronously stackable double-edge modulated pulse width modulation generators
04/22/2010US20100097153 Switched Modulation of a Radio-Frequency Amplifier
04/22/2010US20100097114 Pulse width modulation circuit and liquid jet printing apparatus
04/22/2010US20100097113 Pulse generating circuit and pulse width modulator
04/20/2010US7702299 Modulation circuit device, modulation method and radio communication device
04/20/2010US7701308 Radio frequency modulator
04/20/2010US7701307 System and method of changing a PWM power spectrum
04/20/2010US7701305 Frequency jittering control for varying the switching frequency of a power supply
04/15/2010WO2010040692A1 Pulse-width modulation with selective pulse-eliminator
04/15/2010US20100091833 Transmission device
04/15/2010DE102009043918A1 Phasenverdoppler Phasenverdoppler
04/15/2010DE102009030029A1 Mehrfrequenz-Sendevorrichtung für einen Metalldetektor Multi-frequency transmission apparatus for a metal detector
04/14/2010CN201438266U Pulse modulation controller
04/13/2010US7697605 Signal transmitting/receiving system and method, signal transmitting apparatus and method, signal processing apparatus and method, recording medium, and program for transmitting/receiving signals unaffected by other apparatuses
04/08/2010WO2010038166A2 Direct modulation and demodulation with acoustic wave devices
04/08/2010DE102009040546A1 IQ-Modulationssystem und Verfahren für geschaltete Verstärker IQ modulation system and method for switched amplifier
04/08/2010DE102007043340B4 Erhöhung der PWM-Auflösung durch Modulation Increase the PWM resolution through modulation
04/07/2010EP2171854A1 Programmable analog-to-digital converter for low-power dc-dc smps
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