| Patents for H03K 7 - Modulating pulses with a continuously-variable modulating signal (4,039) |
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| 03/18/2008 | US7345464 PWM power supply controller having multiple PWM signal assertions and method therefor |
| 03/13/2008 | WO2008029091A2 Switching amplifier |
| 03/13/2008 | US20080063045 Parameter estimate initialization using interpolation |
| 03/13/2008 | US20080063044 Burst control pulse generatnig circuit, and digital modulating circuit and electronic device including burst control pulse generating circuit |
| 03/13/2008 | US20080062731 Duty feed forward method and apparatus for modulating a duty of a pmw signal and power converting method and power converter using the same |
| 03/12/2008 | CN101141124A Level determining device and method of pulsewidth modulation signal |
| 03/06/2008 | WO2008025153A1 Pwm method and apparatus, and light source driven thereby |
| 03/06/2008 | US20080056345 Data transmission system and method |
| 03/06/2008 | US20080054971 Pulse width modulation control circuit |
| 03/04/2008 | US7339408 Generating multi-phase clock signals using hierarchical delays |
| 02/28/2008 | US20080049829 Communications device and data transmission method |
| 02/28/2008 | US20080049828 Antenna Driving Apparatus |
| 02/28/2008 | US20080049606 Bidirectional Communication |
| 02/28/2008 | US20080048726 Signal Integrity Measurement Systems and Methods Using a Predominantly Digital Time-Base Generator |
| 02/28/2008 | US20080048582 Pwm method and apparatus, and light source driven thereby |
| 02/27/2008 | CN101133553A PWM signal generating circuit |
| 02/26/2008 | US7336706 Programmable integrated DiSEqC transceiver |
| 02/26/2008 | US7336559 Delay-locked loop, integrated circuit having the same, and method of driving the same |
| 02/21/2008 | WO2008020384A1 Electronic device for self oscillating class d system |
| 02/20/2008 | CN101128979A High precision control apparatus and method for use with modulated light sources |
| 02/19/2008 | US7333541 Variable square-wave drive device |
| 02/14/2008 | US20080037623 Noncoherent uwb cooperative communications system |
| 02/14/2008 | US20080036552 Method and Circuit Arrangement for the Production of an Output Signal of a Predefined Average Size From a Relatively Larger Input Signal by Pulse-Width Modulated Connection of Said Input Signal |
| 02/12/2008 | CA2460299C Amplitude and phase modulation using dual digital delay vectors |
| 02/12/2008 | CA2460298C Modulation using discrete amplitude adjustment and dual digital delay lines |
| 02/07/2008 | US20080031376 Transmission apparatus, reception apparatus and radio communication system |
| 02/07/2008 | US20080031317 Method for wireless data transmission between a base station and a transponder via inductive coupling |
| 02/05/2008 | US7327203 PWM signal generation circuit and PWM control circuit |
| 02/05/2008 | US7327188 Power amplifier and method for error correcting of output signals thereof |
| 02/05/2008 | US7327177 Hardware/software implementation of a PWM with enhanced features using a standard microprocessor |
| 02/05/2008 | US7327171 Charge pump clock for non-volatile memories |
| 01/31/2008 | WO2008013023A1 Processing method in operation system, flow rate converter, and coriolis flow meter |
| 01/31/2008 | US20080025386 Method for determining a pulse position in a signal |
| 01/30/2008 | CN100365615C Semiconductor device for inverter control |
| 01/24/2008 | US20080019460 Method and apparatus for the generation and detection of optical differential varied-multilevel phase-shift keying with pulse amplitude modulation (odvmpsk/pam) signals |
| 01/24/2008 | US20080019437 Data transmission apparatus enabling communication without being interfered by environmental noise |
| 01/24/2008 | US20080019436 Pwm modulator in multi-phase converter |
| 01/24/2008 | US20080018371 Pulse width adjustment circuit, pulse width adjustment method, and test apparatus for semiconductor device |
| 01/23/2008 | EP1419578B1 Pulse-width modulation with feedback to toggle module |
| 01/17/2008 | WO2008008949A2 Signal integrity measurement systems and methods using a predominantly digital time-base generator |
| 01/17/2008 | WO2007125496A3 Power control of a power amplifier using pulse width modulation of input signal |
| 01/16/2008 | CN101106371A Symmetric PWM control signal generator |
| 01/15/2008 | US7319356 Multiplexer circuit with combined level shifting and delay control functions |
| 01/15/2008 | US7318439 Mask assembly |
| 01/08/2008 | US7317758 PCM-to-PWM converter |
| 01/08/2008 | US7317349 Class-D amplifier |
| 01/08/2008 | US7317341 Duty correction device |
| 01/03/2008 | US20080002764 Alternating digital RF modulation |
| 01/03/2008 | US20080001643 Duty cycle correction device |
| 01/03/2008 | US20080001561 PWM control system |
| 01/02/2008 | EP1790077A4 Wide window decoder circuit for dual phase pulse modulation |
| 01/01/2008 | US7315155 PWM control system |
| 12/27/2007 | WO2007148879A1 Headphone driver and method for driving the same |
| 12/27/2007 | US20070297531 Contactless ic card system |
| 12/26/2007 | CN101093986A Pulse width modulation (PDM) circuit, and PDM integrate circuit in use for the PDM circuit |
| 12/25/2007 | US7312668 High resolution PWM generator or digitally controlled oscillator |
| 12/21/2007 | WO2007036464A3 Frequency modulation switching circuit for controlling a useful circuit |
| 12/21/2007 | WO2007031940A3 Generating a pulse signal with a modulated duty cycle |
| 12/20/2007 | US20070291863 Digital branch calibrator for an rf transmitter |
| 12/20/2007 | US20070291833 Method of and apparatus to generate pulse width modulated signal from sampled digital signal by chaotic modulation |
| 12/19/2007 | CN101091315A 脉宽调制装置 Pulse width modulation means |
| 12/19/2007 | CN100356689C Pulse amplitude modulating method and circuit for improving D class audio amplifier property |
| 12/18/2007 | US7310010 Duty cycle corrector |
| 12/13/2007 | WO2007115250A3 Allowing immediate update of pulse width modulation values |
| 12/13/2007 | US20070286274 Apparatus and method of low latency multi-hop communication |
| 12/13/2007 | US20070286273 Circuit and Method for Pulse Width Modulation by Means of Synchronized, Self-Oscillating Pulse Width Modulators |
| 12/13/2007 | US20070286272 Method and system for fast acquisition of ultra-wideband signals |
| 12/13/2007 | DE102006026906A1 Schaltung und Verfahren zur Pulsweitenmodulation mittels synchronisierter, selbstoszillierender Pulsweitenmodulatoren Circuit and method for pulse-width modulation using synchronized, self-oscillating pulse width modulators |
| 12/11/2007 | US7308632 Method and apparatus for measuring duty cycle distortion on an integrated circuit |
| 12/11/2007 | US7308043 Scrambled chirp frequency jitter for feature suppression |
| 12/11/2007 | US7308027 Circuits and methods for reducing distortion and noise in pulse width modulation systems utilizing full-bridge drivers |
| 12/11/2007 | US7307488 Method of estimating an intersection between at least two continuous signal representations |
| 12/11/2007 | US7307461 System and method for adaptive duty cycle optimization |
| 12/06/2007 | WO2007139131A1 Burst oscillation device, burst oscillation method, and distance measurement communication system |
| 12/06/2007 | US20070280376 Power regulator |
| 12/06/2007 | US20070280374 Modulation circuit device, modulation method and radio communication device |
| 12/06/2007 | US20070280344 Semiconductor device |
| 12/05/2007 | CN101084625A Microcontroller having a digital to frequency converter and/or a pulse frequency modulator |
| 12/04/2007 | US7305027 Receiver and the compensation method therefor |
| 11/29/2007 | DE10351116B4 Frequenzgenerator Frequency generator |
| 11/27/2007 | US7302011 Quadrature frequency doubling system |
| 11/27/2007 | US7301417 Pulse width modulation method and apparatus |
| 11/20/2007 | US7298193 Methods and arrangements to adjust a duty cycle |
| 11/14/2007 | CN101073065A Method and apparatus for enhanced decoding in multi-band ultra-wideband communications |
| 11/13/2007 | US7295607 Method and system for receiving pulse width keyed signals |
| 11/13/2007 | US7295606 Transmission method for transmitting data symbols to or from users of an ultra bandwidth telecommunication system |
| 11/13/2007 | US7295082 Pulse frequency modulation oscillating circuit for a DC/DC converter |
| 11/10/2007 | CA2546534A1 Pulse width modulation circuit and method therefor |
| 11/08/2007 | WO2007125496A2 Power control of a power amplifier using pulse width modulation of input signal |
| 11/06/2007 | US7292014 Controller and loading system thereof |
| 11/01/2007 | WO2007122295A1 Phase modulator |
| 11/01/2007 | US20070253478 Method and System for Transmission of Information |
| 10/31/2007 | CN101065902A Wide window decoder circuit for dual phase pulse modulation |
| 10/31/2007 | CN101065901A Spread frequency spectrum waveform generating circuit |
| 10/30/2007 | US7289561 Method and device for controlling a pulse generator for the emission of pulse signal of ultra wideband position-modulated type |
| 10/30/2007 | US7289560 Digital modulation and demodulation technique for reliable wireless (both RF and IR) and wired high bandwidth data transmission |
| 10/30/2007 | US7288990 Reference buffer with dynamic current control |
| 10/25/2007 | US20070247253 Apparatus, system, and method for digital modulation of power amplifier in polar transmitter |
| 10/25/2007 | US20070247223 Class-D amplifier |
| 10/25/2007 | DE102005052702B4 Synchronisationsschaltung zur Synchronisation von PWM-Modulatoren Synchronization circuit for synchronizing the PWM modulators |