Patents
Patents for H03K 4 - Generating pulses having essentially a finite slope or stepped portions (2,412)
12/1985
12/17/1985CA1198176A1 Triangle wave generator
12/11/1985EP0164195A2 Generation of trapezoidal waveforms
12/04/1985EP0163302A2 Drive circuit for a deflection power transistor
12/03/1985US4556825 Switching circuit
11/1985
11/19/1985US4554489 Resonant magnetic deflection circuit
10/1985
10/23/1985EP0159233A1 Control circuit for switching a power transistor
10/22/1985US4549151 Pulse width modulator circuit with thermal breakdown prevention
10/22/1985US4549118 Step waveform generator and CRT vertical timebase incorporating such a generator
10/16/1985EP0158538A2 Method and circuit for generating a time varying signal
10/15/1985US4547711 Method and apparatus for producing sawtooth wave deflection current for television apparatus
10/15/1985US4547710 Cathode ray tube display horizontal deflection system with delay compensation
10/15/1985CA1195430A1 Resonant flyback boost circuit
10/08/1985US4546388 Power supply for CRT terminal
10/08/1985CA1194936A1 Function generator with independently controllable symmetry and frequency
09/1985
09/10/1985US4540933 Circuit for simultaneous cut-off of two series connected high voltage power switches
09/03/1985US4539693 Bit synchronization arrangement for a data modem or data receiver
08/1985
08/20/1985US4536683 Horizontal phase shifter
08/20/1985US4536682 Circuit for generating a deflection current through the field deflection coil of a picture display device
08/13/1985US4535273 Transformerless switching circuit for driving a horizontal output transistor
07/1985
07/24/1985EP0149277A1 Monolithic integrated RC oscillator
07/23/1985US4531096 Pulse-width modulation circuit
07/16/1985US4529917 Drive circuit for a horizontal output transformer
07/03/1985EP0146548A1 Deflection circuit
06/1985
06/25/1985CA1189582A1 Switched-capacitor modulator for quadrature modulation
06/19/1985EP0145038A2 Electronic circuits and signal generator using them
06/18/1985US4524334 Triangle waveform generator
06/04/1985CA1188409A1 Horizontal deflection circuit
05/1985
05/28/1985US4520276 Zero-delay ramp generator
05/28/1985CA1187950A1 Monolithic programmable gain-integrator stage
05/22/1985EP0142171A2 Frequency comparing circuit
05/21/1985CA1187565A1 Triangle waveform generator having a loop delay compensation network
05/15/1985EP0141256A2 CRT picture display apparatus
05/07/1985US4516058 Linearity corrected horizontal deflection circuit
05/07/1985US4516038 Triangle wave generator
05/07/1985US4516036 Linear ramp voltage generator circuit
04/1985
04/30/1985US4514727 Automatic brightness control apparatus
04/23/1985US4513228 Circuit for generating a sawtooth-shaped current
04/17/1985EP0137368A1 Function generator
03/1985
03/27/1985EP0135437A1 Sinusoidal signal generator, the frequency of which is dependent upon a binary signal, in particular for a modem
03/26/1985CA1184619A1 Offset compensation for switched capacitor integrators
03/12/1985US4504779 For supplying power from a DC power supply
03/12/1985US4504741 Digital circuit for generating ascending or descending ramp-like waveforms
03/05/1985US4503396 Circuit and method for generating a ramp signal
03/05/1985CA1183582A1 Precision differential relaxation oscillator circuit
02/1985
02/19/1985US4500844 Ringing signal generator employing delta-modulation power amplification techniques
02/05/1985USRE31821 Variable function generator
02/05/1985US4497211 Circuit for generating sawtooth shaped pulses for ultrasonic instruments
01/1985
01/23/1985EP0131750A1 Resonant flyback boost circuit
01/22/1985US4495476 Sawtooth voltage generator
01/09/1985EP0130384A1 A two phase voltage signal generating circuit
01/02/1985EP0129761A1 Circuit arrangement for the vertical deflection of cathode rays in a television tube
12/1984
12/27/1984CA1180123A Arrangement for generating a sequence of binary- weighted values of an electrical quantity
12/25/1984US4490653 Deflection systems and ramp generators therefor
12/20/1984WO1984004994A1 Deflection circuit
12/11/1984US4488062 Pulse shaper
12/11/1984US4488060 High voltage ramp rate control systems
12/06/1984WO1984004857A1 Ringing signal generator
11/1984
11/27/1984US4485425 Drive circuit for printer, particularly, matrix printer of the needle or hammer variety
11/21/1984EP0125947A1 Sawtooth generator circuit, in particular for cathode ray line deflection
11/20/1984US4484113 Regulated deflection circuit
11/20/1984US4484112 Protection device for the horizontal scanning control of a display screen
11/07/1984EP0123745A1 A step waveform generator and CRT vertical timebase incorporating such a generator
10/1984
10/23/1984US4479097 Low voltage, low power RC oscillator circuit
10/16/1984US4477749 Circuit for generating a sawtooth current in a coil
10/09/1984CA1175921A1 Sawtooth wave oscillator
09/1984
09/26/1984EP0119927A1 High voltage amplifier for a capacitive load
09/25/1984US4473802 Electrical signal converter with step variable gain
09/18/1984US4472662 Deflection circuit
09/12/1984EP0118142A1 Circuit for generating a deflection current through the field deflection coil of a picture display device
09/11/1984US4471482 Switched capacitor circuit for generating a geometric sequence of electric charges
09/11/1984US4471327 Self-oscillating power supply
09/11/1984CA1174295A1 Sweep control circuit for a voltage-controlled oscillator
08/1984
08/28/1984CA1173516A1 Sine wave to triangel wave convertor
08/21/1984USRE31648 System for generating tone source waveshapes
08/21/1984CA1173118A1 Intergrator with sampling stage
08/15/1984EP0115682A1 Resonant magnetic deflection circuit
08/14/1984CA1172752A1 Phase adjustable horizontal oscillator for a data display monitor
08/14/1984CA1172712A1 Current output oscillator
08/08/1984EP0115037A2 Cathode ray tube display deflection system
08/07/1984US4464612 Circuit arrangement for a picture display device for generating a sawtooth-shaped line deflection current
07/1984
07/31/1984CA1171984A1 Scanning waveform generator for flat panel display devices
07/25/1984EP0113975A2 Controllable sweep generator
07/24/1984US4461999 Circuit for producing a periodic sawtooth shaped signal
07/17/1984US4460850 Deflection circuit for cathode-ray tubes
07/04/1984EP0112416A1 Vertical timebase circuit for cathode ray tube
07/03/1984US4458216 For use in a communications system
06/1984
06/26/1984US4456856 Resonant flyback boost circuit
06/13/1984EP0110461A1 Circuit arrangement comprising at least two high-voltage power switches connected in series
06/12/1984US4454486 Waveform synthesis using multiplexed parallel synthesizers
06/05/1984US4453256 Adaptive equalizer system for quadrature amplitude modulation
06/05/1984CA1168760A1 Circuit and method of linearity correction for crt deflection circuits
05/1984
05/29/1984US4451799 B-Class complementary circuit
05/22/1984US4450415 Alterable mode oscillator
05/15/1984US4449059 Triangle waveform generator having a loop delay compensation network
05/08/1984US4447747 Waveform generating apparatus
05/01/1984US4446436 Circuit for generating analog signals
04/1984
04/10/1984US4442384 Horizontal deflection circuit
04/10/1984CA1165463A1 Waveform generating apparatus
04/03/1984US4441058 Deflection circuit with linearity correction
03/1984
03/20/1984US4438466 D.C. Controlled adjustable ramp signal generator and method
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