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