| Patents for H03K 7 - Modulating pulses with a continuously-variable modulating signal (4,039) |
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| 06/02/2005 | US20050116785 Modulation using discrete amplitude adjustment and dual digital delay lines |
| 06/02/2005 | US20050116770 Multi-reference switching amplifier modulation method and apparatus |
| 06/02/2005 | US20050116737 Low noise output buffer |
| 06/02/2005 | DE10350336A1 Conversion method for transforming a quantized signal (QS) into a pulse-width modulated signal (PWMS) uses the QS value to determine each pulse duration within a period for the PWMS |
| 06/01/2005 | EP1535390A2 Trimming of a two point phase modulator |
| 06/01/2005 | CN1622460A High-resolution digital pulse width modulator and method for generating a high-resolution pulse width modulated signal |
| 05/26/2005 | WO2005048459A2 Signalling method and apparatus |
| 05/26/2005 | US20050110667 Method and apparatus for converting PCM to PWM |
| 05/26/2005 | US20050110473 Switching signal modulation circuit |
| 05/19/2005 | WO2005046056A2 Method and apparatus for generating a distortionless pulse width modulated waveform |
| 05/19/2005 | US20050105637 Bi-phase modulator for ultra wideband signals |
| 05/19/2005 | US20050105607 Method and circuit for timing pulse generation |
| 05/19/2005 | US20050105606 Ppm receiving system and method using time-interleaved integrators |
| 05/19/2005 | US20050104570 [pulse width modulator and loading system thereof] |
| 05/18/2005 | CN1618168A Digital PWM input D class amplifier by PMW negative feedback |
| 05/18/2005 | CN1617093A Adding circuit suitable for sigma-delta modulator circuits |
| 05/18/2005 | CN1617061A Clock generating circuit |
| 05/18/2005 | CN1202618C Ultra wide band narrow pulse generator of subnanosecond duration |
| 05/17/2005 | US6895046 System and method of providing a spread spectrum pulse width modulator clock |
| 05/11/2005 | CN1615588A Method and apparatus for generating a pulse width modulated signal |
| 05/10/2005 | US6891399 Variable pulse width and pulse separation clock generator |
| 05/06/2005 | WO2005011118A3 A digital pulse width modulator |
| 05/06/2005 | WO2004059848A3 Modulation of a digital input signal using a digital signal modulator and signal splitting |
| 05/05/2005 | US20050093728 Adding circuit suitable for sigma-delta modulator circuits |
| 04/28/2005 | WO2005038645A2 Operation circuit and operation control method thereof |
| 04/28/2005 | WO2005038577A2 Method for performing dual phase pulse modulation |
| 04/28/2005 | US20050091295 Apparatus for fractional RF signal synthesis with phase modulation |
| 04/28/2005 | US20050089090 Method and apparatus for generating a distortionless pulse width modulated waveform |
| 04/28/2005 | US20050088209 Switching device for driving a led array |
| 04/21/2005 | WO2005036747A2 Selectable delay pulse generator |
| 04/21/2005 | US20050083026 System and method for providing digital pulse width modulation |
| 04/21/2005 | US20050081858 Mask assembly |
| 04/20/2005 | CN1607728A Method and apparatus for transformation from impulse code modulation to impulse-width modulation |
| 04/19/2005 | US6882206 Enabling method to prevent glitches in waveform of arbitrary phase |
| 04/14/2005 | US20050077976 Method for performing dual phase pulse modulation |
| 04/14/2005 | US20050077941 Selectable delay pulse generator |
| 04/14/2005 | DE10355320B3 High resolution digital pulse width modulator for control of DC-DC converter with combining of 2 pulse width modulated intermediate signals via logic stage |
| 04/14/2005 | DE10342056A1 Addition circuit for signals at input of quantising circuit, e.g. sigma-delta modulator circuit, such as used in wideband data transmission systems, comprising storage capacitors and switch |
| 04/12/2005 | US6879199 PWM control signal generation method and apparatus |
| 04/12/2005 | US6879189 Asynchronous fault detection circuit for a PWM driver |
| 04/07/2005 | US20050073807 Remote control transmitter |
| 04/06/2005 | EP1520345A1 Pulse width modulation signal generator |
| 03/31/2005 | WO2003023962A8 Narrow-pulse-width bipolar monocycle generator |
| 03/31/2005 | US20050069049 Method of impulse acreage modulation digital power processing and its device |
| 03/31/2005 | US20050068100 Signal amplifier |
| 03/30/2005 | CN1195353C Pulse area modulation digital power processing method and device |
| 03/24/2005 | WO2005027337A1 Power oscillator for control of waveshape and amplitude |
| 03/24/2005 | US20050063503 Digital clock modulator |
| 03/24/2005 | US20050063486 Method for antenna diversity |
| 03/24/2005 | US20050063484 Satellite communincation system utilizing low density parity check codes |
| 03/24/2005 | US20050062521 Reference buffer with dynamic current control |
| 03/24/2005 | CA2538479A1 Power oscillator for control of waveshape and amplitude |
| 03/23/2005 | EP1517447A1 Apparatus and method for pulse position modulation |
| 03/22/2005 | US6870410 All digital power supply system and method that provides a substantially constant supply voltage over changes in PVT without a band gap reference voltage |
| 03/17/2005 | US20050057319 Pulse modulation |
| 03/15/2005 | US6867645 Method and apparatus for providing pulse width modulation |
| 03/08/2005 | US6864740 Method and apparatus for phototransistor pulse width converter |
| 03/03/2005 | US20050046601 PCM-to-PWM converter |
| 03/03/2005 | US20050046457 Method and system for power supply control using a fixed-frequency pulse width modulation control circuit |
| 03/03/2005 | DE102004033129A1 Ansteuerschaltung, Vorrichtung und Verfahren zur Geräuschunterdrückung und Verwendung Drive circuit, apparatus and method for noise suppression and use |
| 03/02/2005 | CN1589526A Method and apparatus to generate on-off keying signals suitable for communications |
| 03/02/2005 | CA2480185A1 Method and system for power supply control using a fixed-frequency pulse width modulation control circuit |
| 03/01/2005 | US6862483 Apparatus for changing pulse width modulation at desired timing |
| 02/24/2005 | WO2005018083A2 Self-limiting pulse width modulation regulator |
| 02/23/2005 | CN1586039A Digital/analog converter circuit with a device for compensating nonlinear distortions |
| 02/17/2005 | US20050037725 Shaping the drive signal of a mixing device |
| 02/17/2005 | US20050035801 Self-limiting pulse width modulation regulator |
| 02/17/2005 | US20050035793 Digital frequency synthesizing circuit and system thereof using interpolation and linear feedback shift register ( LFSR) |
| 02/17/2005 | DE10337782A1 Conversion of a pulse code modulated digital signal into a pulse width modulated digital signal, by multiplication of the input PCM signal by its first or greater order derivative and over-sampling of the input signal |
| 02/15/2005 | US6856194 Center of gravity compensation of Class-D amplifier |
| 02/10/2005 | US20050030206 High-resolution timers and pulse width modulators |
| 02/10/2005 | US20050029994 Pulse-width modulation circuit and switching amplifier using the same |
| 02/09/2005 | EP1505732A1 Digital clock modulator |
| 02/09/2005 | CN2678250Y PWM controller using DMA technology |
| 02/09/2005 | CN1578114A Modulation circuit device, modulation method and radio communication device |
| 02/09/2005 | CN1578085A Pwm switching regulator control circuit |
| 02/08/2005 | US6853172 Switching regulator |
| 02/08/2005 | CA2272276C Very low duty cycle pulse width modulator |
| 02/03/2005 | WO2005011118A2 A digital pulse width modulator |
| 02/03/2005 | US20050024134 Drive circuit, device, and method for suppressing noise, and use |
| 02/02/2005 | CN1575037A Loudspeaker assembly |
| 02/02/2005 | CN1574639A Clock generation circuit capable of setting or controlling duty ratio of clock signal and system including clock generation circuit |
| 01/27/2005 | US20050017778 Pulse signal generator and display device |
| 01/27/2005 | US20050017767 Apparatus and method for noise sensitivity improvement to a switching system |
| 01/26/2005 | CN1571274A Multi level class-D amplifier by means of 2 physical layers |
| 01/20/2005 | WO2004084388B1 Sinewave inverter using hybrid regulator |
| 01/20/2005 | US20050012546 Digital PWM input D class amplifier by PMW negative feedback |
| 01/20/2005 | DE202004011273U1 Signal generator for pulse width modulated signal on purely digital basis e.g. for brushless d.c. motor, has externally clocked, externally parametrically configured digital phase accumulator containing binary adder with carry |
| 01/19/2005 | CN1567721A PWM buffer circuit for regulating frequency and operating cycle of PWM signal |
| 01/13/2005 | WO2005004330A1 Method of establishing a pwm-modulated output signal representation |
| 01/13/2005 | US20050008093 Modulation circuit device, modulation method and radio communication device |
| 01/13/2005 | US20050007266 Sigma-delta modulator with PWM output |
| 01/13/2005 | US20050007167 PWM switching regulator control circuit |
| 01/12/2005 | EP1495540A2 Return to zero and sampling pulse generating circuits and method for direct digital up conversion |
| 01/11/2005 | US6842070 Multi-level Class-D amplifier by means of 2 physical layers |
| 01/04/2005 | US6838853 Stepping motor drive device and method |
| 12/22/2004 | EP1489430A1 Sigma-delta modulator with pulse width modulation output |
| 12/21/2004 | US6833691 System and method for providing digital pulse width modulation |
| 12/16/2004 | WO2004109917A1 High resolution pwm generator or digitally controlled oscillator |
| 12/16/2004 | WO2004109901A1 Pwm control system |