Patents for H03K 7 - Modulating pulses with a continuously-variable modulating signal (4,039) |
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08/01/2000 | US6097765 Method and apparatus for performing digital fractional minimum shift key modulation for a very small aperture terminal |
07/25/2000 | US6094079 Sequencer module for a pulse width modulation driver |
07/05/2000 | EP1017038A2 Analog pulse width modulation of video data |
07/04/2000 | US6084451 Pulse width modulation controller operational in both current and voltage mode |
07/04/2000 | US6084450 PWM controller with one cycle response |
06/29/2000 | DE19857525A1 Power amplifier with switched end stage |
06/29/2000 | DE19857524A1 Gradient amplifier for magnetic resonance imaging apparatus |
06/28/2000 | EP1012974A1 Low power current-to-frequency converter circuit for use in implantable sensors |
06/14/2000 | EP1008235A2 Method of correcting the symbol shape error of multilevel pulses in baseband transmission caused by the use of pulse-rate modulation |
06/07/2000 | CN1053300C Digital pulse width modulator with integrated test and control |
06/06/2000 | US6072361 Wideband class-S modulator and method therefor |
05/17/2000 | EP1000368A1 Sampler control device |
05/16/2000 | US6064646 Data communication apparatus and method |
05/16/2000 | US6064278 Structure of pulse-width modulator |
04/18/2000 | US6052037 Modulation method and apparatus |
04/18/2000 | US6051988 Pulse width controlling logic circuit |
04/18/2000 | US6051960 Switching regulator with reduced power consumption |
04/13/2000 | WO2000021278A1 Self calibrating pulse width modulator for use in electrostatic printing applications |
04/13/2000 | WO2000021190A1 Frequency to frequency de-randomiser circuit |
03/30/2000 | DE19844455A1 Signal generation method for pulse-width modulated signal |
03/29/2000 | EP0988704A1 Analogue-to-digital conversion using frequency-modulated input or intermediate values |
03/29/2000 | CN2371728Y All digital sine-wave pulse width modulating signal generator |
03/28/2000 | US6044113 Digital pulse width modulator |
03/23/2000 | DE19934795A1 Integrationsverfahren und Integrationsschaltung, die ein verbessertes Signal-Rausch-Verhältnis bieten, und spannungsgesteuerter Oszillator und Frequenz-Spannungswandler, der eine Integrationsschaltung verwendet Integration process and integrate circuitry that offer an improved signal-to-noise ratio, and voltage-controlled oscillator and frequency-voltage converter that uses an integration circuit |
03/22/2000 | EP0987816A2 Function generating drive module for power transistors |
03/16/2000 | WO2000001067A3 Method for software driven generation of multiple simultaneous high speed pulse width modulated signals |
03/16/2000 | DE19842141A1 Funktionen erzeugendes Ansteuerungsmodul für Leistungstransistoren Functions generating control module for power transistors |
02/08/2000 | US6023741 Pulse width modulation control which data transfer is inhibited by overflow signal |
02/08/2000 | US6023199 Pulse width modulation circuit and method |
01/27/2000 | DE19833344A1 Analogue-to-digital converter for microprocessor or microcontroller |
01/19/2000 | EP0973250A2 Pulse width modulator (PWM) with high duty cycle using bootstrap capacitor |
01/06/2000 | WO2000001067A2 Method for software driven generation of multiple simultaneous high speed pulse width modulated signals |
01/06/2000 | CA2336184A1 Method for software driven generation of multiple simultaneous high speed pulse width modulated signals |
12/29/1999 | EP0966818A1 Improvements in ultrafast time hopping cdma-rf |
12/14/1999 | US6002288 Current limiting circuit and method that may be shared among different circuitry |
12/09/1999 | WO1999063362A1 Sampler control device |
12/09/1999 | DE19824037A1 Abtaster-Steuereinrichtung Scanner controller |
12/01/1999 | CN1237038A Frequency regulation method and device for oscillator built in integrated circuit |
11/30/1999 | US5994973 PWM driver |
11/30/1999 | US5994954 Method and apparatus for processing an analogue signal |
11/24/1999 | CN1236245A Digital modulation system using modified orthogonal codes to reduce autocorrelation |
11/23/1999 | CA2173641C Switched-inverter modulator |
11/02/1999 | US5977822 Method and apparatus of pulse position demodulation |
10/28/1999 | DE19910755A1 Linear current sensing circuit for motor controller |
10/22/1999 | CA2261826A1 Digital modulation system using modified orthogonal codes to reduce autocorrelation |
10/19/1999 | US5969579 ECL pulse amplitude modulated encoder driver circuit |
10/06/1999 | EP0948135A1 Generator of pulses with programmable width |
10/05/1999 | US5963107 Pulse-width modulation signal generator |
10/05/1999 | US5963106 Double-sided pulse width modulator |
09/30/1999 | DE19811605A1 Schaltungsanordnung zur Ansteuerung eines Pulsweitenmodulators in einem Schaltnetzteil Circuit arrangement for driving a pulse width modulator in switching power supply |
09/30/1999 | DE19805847A1 Circuit for timing and pulse width modulation of a primary side clocked current supply |
09/29/1999 | EP0944957A1 Very low duty cycle pulse width modulator |
09/23/1999 | WO1999048205A1 Double-sided pulse width modulator |
09/23/1999 | WO1999048204A1 Circuit for controlling a pulse width modulator in a switched-mode power supply |
09/15/1999 | EP0941591A1 Transit modulator for jittering signals |
09/10/1999 | WO1999045641A1 A method in the compensation of unlinearities in an amplifier, an amplifier, and uses of the method and the amplifier |
09/07/1999 | US5949665 Soft start pulse width modulation integrated circuit |
08/12/1999 | WO1999040680A1 Method and apparatus for compensating for delays in modulator loops |
08/12/1999 | CA2320215A1 Method and apparatus for compensating for delays in modulator loops |
08/10/1999 | US5935236 Microcomputer capable of outputting pulses |
08/03/1999 | US5933453 Delta-sigma pulse width modulator control circuit |
07/20/1999 | US5926072 Frequency modulation circuit |
07/06/1999 | US5920683 Image enhancement system for high addressability printing |
07/01/1999 | WO1999033161A1 Method for influencing the electrical power of a load with a pulse width modulated signal |
07/01/1999 | DE19756461A1 Verfahren zum Beeinflussen der elektrischen Leistung einer Last mit einem impulsbreitenmodulierten Signal A method for influencing the electrical power of a load with a pulse-width modulated signal |
06/29/1999 | US5917346 Low power current to frequency converter circuit for use in implantable sensors |
06/22/1999 | US5914984 Method and device for pulse width modulation control |
06/22/1999 | US5914622 Pulse-width controller |
06/08/1999 | US5910743 Apparatus responsive to an input signal |
06/01/1999 | US5909153 Method and apparatus for compensating for delays in modulator loops |
06/01/1999 | US5909144 Digital method and apparatus for reducing EMI emissions in digitally-clocked systems |
05/04/1999 | US5901176 To control power delivered to a load with reduced energy generation |
04/27/1999 | US5898329 Programmable pulse width modulation circuit |
04/22/1999 | WO1999019983A1 Single supply voltage to frequency converter optimized for low voltage sensing above and below ground |
04/21/1999 | EP0910168A1 Delta-sigma pulse width modulator |
04/13/1999 | US5894239 Single shot with pulse width controlled by reference oscillator |
03/25/1999 | DE19741794A1 Error correction device PWM signals |
03/23/1999 | US5886586 General constant frequency pulse-width modulators |
03/23/1999 | US5886555 Pulse production circuit |
03/18/1999 | WO1999013574A1 Low power current-to-frequency converter circuit for use in implantable sensors |
03/16/1999 | US5883534 Waveform shaping device and clock supply apparatus |
03/10/1999 | EP0901058A1 Two stage current mirror |
03/10/1999 | EP0610430B1 Analog-to-digital converter and method of fabrication |
03/09/1999 | US5880644 N-bit pulse width modulated signal generator |
03/03/1999 | CN2309669Y Small sealed oil-immersed high-voltage pulse modulator assembly |
02/11/1999 | DE19803216A1 Microcomputer for output of pulses |
02/10/1999 | EP0896433A2 ASK modulator |
02/04/1999 | DE19733382A1 Circuit generating PWM energising signals for clocked power end stage |
02/02/1999 | US5867048 Pulse-width controller for switching regulators |
01/28/1999 | DE19757636A1 Data transmission method for PAM communication system |
01/26/1999 | US5864582 To modulate the pulse width of a pulse width signal |
01/20/1999 | EP0892498A1 A method of reducing the effect of electromagnetic interference emissions produced by a control signal |
01/20/1999 | CN1205465A Pulse width modulation control which data transfer is inhibited by overflow signal |
12/23/1998 | EP0801842B1 Circuit for driving a converter |
12/22/1998 | US5852632 Recovery of the propagation delay in a PWM circuit |
12/10/1998 | WO1998056115A1 Analogue-to-digital conversion using frequency-modulated input or intermediate values |
12/10/1998 | CA2292615A1 Analogue-to-digital conversion using frequency-modulated input or intermediate values |
12/08/1998 | US5847589 Pulse signal generating device |
11/17/1998 | US5838294 Very low duty cycle pulse width modulator |
11/17/1998 | US5838210 Method and apparatus for generating a modulated signal |