Patents
Patents for H03K 4 - Generating pulses having essentially a finite slope or stepped portions (2,412)
05/1989
05/03/1989EP0314560A1 Adjustable generator for successive voltage ramps of different slopes
05/03/1989EP0314461A2 Vertical deflection apparatus
04/1989
04/19/1989EP0312370A2 Digital oscillation apparatus
04/12/1989EP0311549A2 Fast retrace circuit for a deflection amplifier in a cathode ray tube
04/11/1989US4820960 Fast retrace circuit for a deflection amplifier in a cathode ray tube
04/05/1989EP0310419A2 Vertical deflection circuit for cathode ray tube display device
03/1989
03/29/1989EP0308540A2 Oscillator circuit
03/22/1989CN2034755U Multiple channel coherent signal generator
03/21/1989US4815113 Method for digital slope control of output signals of power amplifiers in semiconductor chips
03/21/1989US4814637 Pulse shaper
03/14/1989US4812689 Incremental time delay generator
03/09/1989WO1989002191A1 An incremental time delay generator
03/01/1989EP0305187A2 A digital frequency synthesiser
02/1989
02/21/1989US4806881 Multi-channel modulated numerical frequency synthesizer
02/21/1989US4805465 Arrangement for the production of straight-line symmetrical signals
02/21/1989CA1250350A1 Signal generator producing pulses with sloping edges
02/14/1989US4804863 Method and circuitry for generating reference voltages
02/08/1989EP0302548A2 Circuit for generating a trapezoidal current waveform with matched rise and fall times
02/07/1989US4803381 Bias current compensating circuit, particularly for saw-tooth wave generators
02/01/1989EP0301633A1 Field deflection circuit in a picture display device
02/01/1989CN1030834A Bus transmitter having controlled trapezoidal slew rate
01/1989
01/31/1989US4801852 CRT horizontal deflection circuit enabling horizontal sweep width adjustment with stabilized EHT output
01/31/1989US4801816 Generator of periodial signals, in particular for switch-mode power supplies
01/17/1989US4798973 High frequency charge pump/integrator circuit
01/10/1989US4797579 CMOS VLSI output driver with controlled rise and fall times
01/04/1989EP0297932A2 Bus transmitter having controlled trapezoidal slew rate
01/04/1989EP0297476A2 Vertical deflection circuit for kinescope yokes, with flyback voltage generator
01/03/1989US4795948 Video display apparatus
01/03/1989US4795901 Analog triangular wave output encoder
12/1988
12/28/1988EP0296967A2 Amplifier for voltage or current to frequency converter
12/28/1988EP0296966A2 Triangle waveform generator for pulse-width amplitude multiplier and associated method
12/28/1988EP0296668A1 Relaxation oscillator
12/20/1988US4792705 Fast switching charge pump
12/06/1988US4789796 Output buffer having sequentially-switched output
11/1988
11/30/1988CN88102841A Horizontal deflection circuit for video display monitor
11/22/1988US4786877 Amplifier for voltage or current to frequency converter
11/17/1988WO1988004865A3 Digital-to-time converter
11/17/1988EP0291318A2 Horizontal deflection circuit for video display monitor
11/15/1988US4785262 Pulse generator producing pulses having a width free from a power voltage and a threshold voltage of an inverter used therein
11/15/1988US4785203 Buffer circuit having decreased current consumption
10/1988
10/12/1988EP0142171B1 Frequency comparing circuit
10/05/1988EP0285200A1 Circuit for line deflection and voltage generation
09/1988
09/27/1988US4774439 Horizontal deflection stage
08/1988
08/31/1988EP0280170A2 Generator of periodic signals, in particular for switch-mode power supplies
08/31/1988EP0280125A2 Line deflection circuit for various line frequencies
08/31/1988EP0279993A2 A circuit for removing unwanted temporal portions of a voltage varying signal
08/23/1988US4766328 Programmable pulse generator
08/17/1988EP0278045A2 Number controlled modulated oscillator
08/03/1988EP0276449A1 Process for the production of a triangular tension
07/1988
07/27/1988EP0275272A1 Circuit for producing a vertical scanning current
07/26/1988US4760319 Circuit for removing unwanted slope transitions from an incoming signal
07/12/1988US4757280 NPN transistor RC oscillator
07/06/1988EP0273497A1 Circuit for producing a periodic, essentially parabolic signal
07/05/1988US4755727 Field deflection circuit for use in a picture display device
06/1988
06/30/1988WO1988004865A2 Digital-to-time converter
06/30/1988DE3644347A1 Method for operating a light-emitting diode
06/29/1988EP0272744A2 Circuit arrangement with a high voltage bipolar transistor
06/22/1988EP0271959A2 High voltage power transistor circuits
06/14/1988US4751402 Device for generating a signal having a complex form by linear approximations
06/07/1988US4750061 Amplitude limiter circuit
05/1988
05/31/1988US4748640 Digital circuit with band limiting characteristics for modem
05/31/1988US4748505 Synchronizing circuit and sawtooth generator for the field deflection in a picture display device
05/31/1988CA1237532A1 Resonant switching apparatus using a cascode arrangement
05/24/1988US4746880 Number controlled modulated oscillator
05/24/1988US4746842 Circuit arrangement for generating a sawtooth-shaped signal for the field deflection in a picture display device
05/17/1988CA1236925A1 Drive circuit for multiple scan rate horizontal deflection circuit
05/04/1988EP0265986A1 Field deflection circuit in a picture display device
05/04/1988EP0265637A2 Pulse shaper
05/03/1988US4742331 Digital-to-time converter
05/03/1988US4742315 Integrated NMOS circuit
04/1988
04/27/1988EP0264662A1 Circuit arrangement for generating a deflection current provided with means for initializing a fast flyback
04/27/1988EP0264470A1 Method for digital control of the output signal edge steepness of LSI semiconductor chip power amplifiers designated for use in a computer
04/26/1988US4740995 Variable frequency sinusoidal signal generator, in particular for a modem
04/06/1988EP0262164A1 System for producing an alternating voltage.
04/06/1988CN85101792B Monolithic integrated resistance-capacitance oscillator
04/05/1988US4736389 Technique for synthesizing the modulation of a time varying waveform with a data signal
03/1988
03/16/1988EP0259941A1 Timebase generator with improved linearity and recovery time
03/01/1988US4728813 Timebase generator with improved linearity and recovery time
02/1988
02/24/1988EP0256700A2 Apparatus for synthesizing the modulation of a time varying waveform with a data signal
01/1988
01/27/1988EP0254573A2 Horizontal deflection stage
01/19/1988US4720852 Monolithically integratable telephone circuit for generating control signals for displaying the telephone charges to a subscriber
01/14/1988WO1988000411A1 Circuit for producing a vertical scanning current
01/14/1988DE3622644A1 Schaltungsanordnung zur erzeugung eines vertikal-ablenkstromes Circuit arrangement for generating a vertical deflection current
01/12/1988US4719393 Deflection amplifier
01/12/1988CA1231397A1 Waveform shaping apparatus
01/05/1988US4717995 Procedure for converting direct electrical energy into alternating electrical energy
01/05/1988US4717848 Electronic circuits and signal generator using them
01/05/1988CA1231181A1 Resonant magnetic deflection circuit
12/1987
12/30/1987CN87203225U Electrotherapeutic machine for modulating square wave into trapezoidal
12/22/1987US4714900 Current output circuit having well-balanced output currents of opposite polarities
12/16/1987EP0249055A2 Power amplifiers for driving inductive loads
12/16/1987EP0249026A2 Even-symmetry signals acquisition device
12/09/1987EP0248754A2 Procedure and device for the conversion of electrical energy from direct into alternating
12/08/1987US4712186 Method of determining rotary speed of a rotating element in a braking effort regulation system
11/1987
11/24/1987US4709159 Capacitance multiplier circuit
11/19/1987EP0245941A2 Power as required beam deflection system for CRT displays with raster supply switching
11/17/1987US4707640 Horizontal deflection output circuit
11/10/1987US4705961 Programmable sweep generator
11/04/1987EP0243878A1 Integrated NMOS circuit arrangement
10/1987
10/21/1987EP0242124A1 Vertical deflection circuit
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