Patents
Patents for H03K 7 - Modulating pulses with a continuously-variable modulating signal (4,039)
05/2012
05/02/2012CN101499791B PWM control method
05/01/2012US8169272 Multi-phase pulse modulation polar transmitter and method of generating a pulse modulated envelope signal carrying modulated RF signal
04/2012
04/25/2012EP2445096A2 Switching regulator duty cycle control in a fixed frequency operation
04/25/2012EP2443527A1 Integrator
04/25/2012CN202206353U 一种基于数字电路的超宽带脉冲发生器 Based on digital ultra-wideband pulse generator circuit
04/25/2012CN102427350A 一种pwm信号移相电路及控制方法 One kind pwm signal phase shift circuit and control method
04/25/2012CN102427349A 采用fpga的pwm脉宽调制电路 Fpga's using pwm pulse width modulation circuit
04/24/2012US8165194 Space-time encoding method for a multi-antenna communication system of the UWB pulse type
04/24/2012US8164395 Signal modulator
04/18/2012CN102422537A 用于增强模式和耗尽模式宽带隙半导体jfet的栅驱动器 Enhancement mode and depletion mode for wide band gap semiconductor jfet gate drive
04/18/2012CN102420595A 一种脉冲宽度调制编码装置 A pulsed width modulation encoding means
04/18/2012CN101495839B 运算系统中的处理方法、流量变换器及哥氏流量计 Computing systems approach, flow converter and Coriolis flowmeter
04/12/2012WO2012047507A1 Systems and methods for encoding and decoding
04/12/2012CA2816284A1 Systems and methods for encoding and decoding
04/11/2012EP1378055B1 Power oscillator for control of waveshape and amplitude
04/11/2012CN102412812A 脉宽调制器 Pulse width modulator
04/10/2012US8155235 Modulation device and demodulation device
04/10/2012US8154358 System and method of changing a PWM power spectrum
04/05/2012US20120082204 Two-wire transmitter
04/04/2012EP2436116A1 Pulse width modulation synchronization of switched mode power converters
04/04/2012EP1800401B1 Control apparatus and method with increased resolution for use with modulated light sources
04/03/2012US8149908 Method and device for controlling peak power and pulse width of a broadband gaussian pulse high-power RF transmitter
03/2012
03/28/2012CN102395982A Method and circuit for amplitude modulation of a carrier signal with a specified modulation factor
03/28/2012CN102393674A Pulse output function for programmable logic controller with linear frequency change
03/27/2012US8144801 Satellite communication system utilizing low density parity check codes
03/27/2012US8144760 Pulse width modulation circuits and methods
03/27/2012US8143964 Method for generating a PWM signal
03/22/2012WO2012035474A1 A method of controlling a switched mode power supply and controller therefor
03/22/2012WO2012034247A1 Method and system for stimulating the health of cultivated vegetables and inhibiting the attack of phytopathogenic micro-organisms
03/22/2012US20120068781 Pulse width modulator
03/22/2012DE102010036444B4 Verfahren und Vorrichtung zum Dimmen eines Leuchtmittels mithilfe eines Mikrocontrollers Method and apparatus for dimming of a lamp by using a microcontroller
03/21/2012EP2432124A1 Pulse width modulator
03/21/2012EP2430755A2 Gate driver for enhancement-mode and depletion-mode wide bandgap semiconductor jfets
03/21/2012CN101641931B 脉冲宽度调制器 Pulse width modulator
03/21/2012CN101316114B Spread-spectrum modulation circuit, variable frequency triangular-wave generator and signal processing method
03/20/2012US8140026 All-digital selectable duty cycle generation
03/20/2012US8139631 Method for transmitting data
03/20/2012US8138825 Multi-chip stack structure and signal transmission method thereof
03/15/2012US20120063505 Power transmitter and wireless power transmission system
03/15/2012US20120063504 System and method for crystal oscillator frequency tuning
03/15/2012US20120062290 Methods and systems for digital pulse width modulator
03/15/2012DE19931824B4 Verfahren und Vorrichtung zur Ausgabe eines pulsweitenmodulierten Signals Method and apparatus for outputting a pulse width modulated signal
03/14/2012CN102378095A Method for reducing interference and hearing device
03/13/2012US8134420 Communication apparatus and signal processing method thereof
03/08/2012US20120057385 Power control circuit
03/08/2012US20120056688 Through-zero pulse-width modulation process with period-average-zero
03/06/2012US8130883 Pulse signal reception device, pulsed QPSK signal reception device, and pulse signal reception method
03/01/2012DE102010039827A1 Verfahren zum Betreiben mindestens einer Leuchtdiode und Leuchtvorrichtung zum Durchführen des Verfahrens A method for operating at least one light emitting diode and light emitting device for performing the method
02/2012
02/29/2012CN202153729U 脉宽调制输出装置 Pulse width modulation output means
02/28/2012US8125287 Extendable N-channel digital pulse-width/pulse-frequency modulator
02/23/2012US20120044002 Semiconductor apparatus and dll circuit using the same
02/22/2012EP2419857A1 Method and circuit for amplitude modulation of a carrier signal with a specified modulation factor
02/22/2012CN101908870B Quick locking control circuit of pulse width control loop
02/21/2012US8120402 PWM control circuit having adjustable minimum duty cycle
02/21/2012US8120401 Methods and systems for digital pulse width modulator
02/16/2012DE102010039303A1 Verfahren zum Reduzieren von Interferenzen und Hörvorrichtung A method for reducing interference, and the hearing device
02/15/2012EP2269306B1 Improved pulse width modulation
02/15/2012CN1820415B 能够防止振荡输出泄漏的雷达振荡器 To prevent leakage of radar oscillator oscillating output
02/15/2012CN102355241A Synchronous circuit of pulse width modulation circuit
02/15/2012CN102355209A Amplifier employing interleaved signals for PWM ripple suppression
02/14/2012US8116368 PWM signal generator, PWM signal generating device, and digital amplifier
02/14/2012US8115564 Systems and methods to minimize startup transients in class-D amplifiers
02/14/2012US8115563 Pulse width modulation circuit and voltage-feedback class-D amplifier circuit
02/09/2012US20120032748 Systems and Methods of Ripple Reduction in a DC/DC Converter
02/08/2012CN101388661B 脉波宽度调变电路的省电电路 Pulse width modulation circuit, power circuit
02/07/2012US8111845 System having a pulse width modulation device
02/07/2012US8111140 Transponder load modulation
02/02/2012US20120025871 Semiconductor device and method for operating the same
02/02/2012DE102010032367A1 Semiconductor light source e.g. LED, controlling method, involves energizing light source from beginning of basic periods up to termination signal, where counting up is carried out in counter within basic periods with varying counting speed
02/01/2012EP2412095A1 A method for pulse position modulation
01/2012
01/31/2012US8107551 Systems and methods for signal modulation and demodulation using phase
01/31/2012US8106693 Delay locked loop circuit and operation method thereof
01/31/2012US8106688 Power-on-reset circuit with brown-out reset for multiple power supplies
01/25/2012CN102334292A Voltage-frequency conversion circuit and blood pressure measurement apparatus provided with same
01/25/2012CN102332897A Pulse modulation devices and methods
01/25/2012CN101958700B PWM (Pulse Width Modulation) control circuit
01/25/2012CN101512897B Amplifier employing interleaved signals for PWM ripple suppression
01/19/2012DE102010036444A1 Verfahren und Vorrichtung zum Dimmen eines Leuchtmittels mithilfe eines Mikrocontrollers Method and apparatus for dimming of a lamp by using a microcontroller
01/18/2012EP2408109A1 Apparatus for providing pulse width modulated control signals to an inverter
01/18/2012EP1676197B1 Operation circuit and operation control method thereof
01/18/2012CN1738189B Methods and circuits for frequency modulation that reduce the spectral noise of switching regulators
01/18/2012CN102324914A PWM (pulse-width modulation) output control method
01/18/2012CN102322242A Adjustable frequency-variable resonant electromagnetic wax-proofing device
01/17/2012US8098726 Subranging for a pulse position and pulse width modulation based transmitter
01/17/2012US8098091 Method in the compensation of unlinearities in an amplifier, and uses of the method and the amplifier
01/12/2012WO2012005482A2 Device for generating a 4-channel pulse width modulation signal and electronic system including same
01/11/2012EP2405575A1 Allowing immediate update of pulse width modulation values
01/11/2012CN202111674U PWM signal driving device
01/11/2012CN102315842A Single-pole SPWM (Sine Pulse Width Modulation) method and single-pole SPWM circuit
01/11/2012CN101496280B Self-calibrating digital pulse-width modulator (DPWM)
01/10/2012US8094727 DTV transmitter and method of coding data in DTV transmitter
01/05/2012US20120002755 Multi-level pulse modulated polar transmitter and method of generating multi-level modulated envelope signals carrying modulated rf signal
01/05/2012US20120002714 Communication on a Pilot Wire
01/04/2012EP2005589B1 Allowing immediate update of pulse width modulation values
01/04/2012CN202103635U PDM (Pulse Density Modulation) signal generating system
12/2011
12/29/2011WO2011128219A3 Control device comprising a frequency converter and compensation of line reflections
12/29/2011US20110316640 Gate pulse modulation circuit and sloping modulation method thereof
12/28/2011CN102301423A 脉冲产生系统及方法 Pulse generating system and method
12/27/2011US8085106 Method and apparatus for dynamic modulation
12/22/2011US20110311008 Apparatus and method thereof for clock and data recovery of n-pam encoded signals using a conventional 2-pam cdr circuit
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