Patents for H03K 4 - Generating pulses having essentially a finite slope or stepped portions (2,412) |
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12/04/1990 | US4975600 Bicmos TTL output driver circuit |
11/29/1990 | DE3934319C1 Controlling width of output pulses - comparing capacitor charge with variable control voltage below set max. voltage |
11/20/1990 | CA1276690C Pulse shaper |
11/14/1990 | EP0397239A1 Circuit arrangement for supplying a periodic, substantially parabolic signal |
11/07/1990 | EP0396291A2 Apparatus and methods for optical emission spectroscopy |
11/06/1990 | CA1276042C Digitally programmable signal generator and method |
10/31/1990 | CN1046647A Deflection driver in video apparatus |
10/24/1990 | EP0394024A1 A deflection driver in a video apparatus |
10/24/1990 | EP0393839A2 Self-adapting vertical scan circuit for raster-scanned cathode ray tube displays |
10/24/1990 | CN1046419A Control arrangement for inverter current |
10/09/1990 | US4962344 Segmented waveform generator |
10/04/1990 | WO1990011511A1 Method and apparatus for conducting electrochemiluminescent measurements |
10/03/1990 | EP0390356A2 An analog pulse shaper |
09/25/1990 | US4959616 For generating a periodic wave form data |
09/25/1990 | US4959594 Power saving electromagnetic deflection display system for dual mode deflection amplifier |
09/11/1990 | US4956587 Horizontal deflection-high voltage circuit |
09/04/1990 | US4954757 Linear deflection amplifier with energy recovery |
08/14/1990 | CA1272797A1 Gamma correction circuit |
07/31/1990 | US4945292 Dynamic vertical height control circuit |
07/17/1990 | US4942341 Vertical ramp generator |
07/17/1990 | CA1271858A1 Timebase generator with improved linearity and recovery time |
07/04/1990 | EP0376391A1 Line deflection circuit arrangement for a picture display device |
07/04/1990 | EP0375880A1 Frequency synthesis device |
07/03/1990 | US4939443 Method and apparatus for the generation of voltage pulses |
07/03/1990 | US4939405 Piezo-electric vibrator pump |
06/20/1990 | EP0373693A2 Generator of drive signals for transistors connected in a half-bridge configuration |
06/12/1990 | US4933769 Picture display device including a staircase generator |
06/05/1990 | US4931668 MIS transistor driven inverter circuit capable of individually controlling rising portion and falling portion of output waveform |
05/31/1990 | WO1990006019A1 Programmable triangle wave generator |
05/29/1990 | US4929883 Circuit for sensing the transistor current waveform |
05/17/1990 | WO1990005411A1 Apparatus and method for conducting measurements of electroluminescent phenomena |
05/15/1990 | US4926131 Triangle waveform generator for pulse-width amplitude multiplier |
05/03/1990 | DE3936234A1 Vertical deflection circuit for high resolution TV receiver - uses storage of vertical deflection current data supplied in synchronism with vertical synchronisation signal |
05/03/1990 | DE3836531A1 Stepper motor controller |
05/02/1990 | EP0366130A2 Linear deflection amplifier with energy recovery |
04/10/1990 | US4916371 Vertical deflection circuit for kinescope yokes, with flyback voltage generator |
04/04/1990 | EP0362014A1 High energy ignition generator, especially for a gas turbine |
04/03/1990 | US4914359 Deflecting voltage generating circuit |
03/27/1990 | CA1267195A1 Technique for synthesizing the modulation of a time varying waveform with a data signal |
03/21/1990 | EP0359171A2 Circuit for sensing the transistor current waveform |
03/20/1990 | US4910702 Field deflection circuit in a picture display device |
03/14/1990 | EP0358098A2 Switching voltage regulator with stabilized loop gain |
03/06/1990 | US4906904 Cathode ray tube deflection circuit with solid state switch |
02/27/1990 | US4904960 Precision CMOS oscillator circuit |
02/27/1990 | US4904959 Current-controlled saw-tooth wave oscillator stage |
02/14/1990 | EP0354357A2 Delay device |
02/06/1990 | US4899152 Method and apparatus for temperature compensating a digital to analog converter |
01/31/1990 | CN2052165U Signal generator capable of simulating pile-up pulse |
01/30/1990 | US4897581 Horizontal deflection circuit |
01/30/1990 | US4897580 Amplifier drive circuit for inductive loads |
01/24/1990 | EP0352137A2 Pulse-width modulator and driving unit using the same |
01/23/1990 | US4896333 Circuit for generating a trapezoidal current waveform with matched rise and fall times |
01/16/1990 | US4894560 Dual-slope waveform generation circuit |
01/09/1990 | US4893117 Liquid crystal driving systems |
01/02/1990 | US4891565 Field deflection circuit in a picture display device |
12/26/1989 | US4890043 Arrangement for generating a sawtooth current |
12/14/1989 | DE3918783A1 Horizontalablenkschaltung fuer eine kathodenstrahlroehre Horizontal deflection for a kathodenstrahlroehre |
12/12/1989 | US4887011 Computer monitor vertical sweep generator having frequency independent height control and "S" waveform correction |
12/05/1989 | US4885585 Ramp generator reset circuit |
11/29/1989 | EP0343177A1 Digital-to-time converter. |
11/28/1989 | US4884012 Vertical deflection current generator |
11/23/1989 | EP0342801A2 Signal processing system for period-to-voltage conversion |
11/14/1989 | US4881190 Digitally programmable signal generator and method |
11/07/1989 | US4879505 Temperature and power supply compensation circuit for integrated circuits |
11/02/1989 | EP0339312A1 Process for the production of a triangular-like voltage |
10/11/1989 | EP0336316A2 Vertical deflection circuit with service mode operation |
10/03/1989 | US4871985 Low noise relaxation oscillator |
09/27/1989 | EP0334303A2 Mechanical analysis apparatus with circuitry for processing low frequency signals |
09/26/1989 | CA1261011A1 Method for the digital slope control of the output signals of power amplifiers of semiconductor chips with vlsi circuits for a computer |
09/26/1989 | CA1260156A1 Field-deflection circuit for use in a picture display device |
09/19/1989 | US4868464 Linearity correction circuit for television receiver |
09/12/1989 | US4866311 Multi-function circuit with double ended charging system |
09/05/1989 | US4864247 High speed base drive for power amplifier |
09/05/1989 | US4864197 Horizontal deflection circuit for video display monitor |
09/05/1989 | US4864196 Line scanning and accelerating voltage generating circuit |
08/30/1989 | EP0330033A2 Current-controlled saw-tooth wave oscillator stage |
08/29/1989 | CA1258889A1 Apparatus for smoothing an abrupt change in signal level |
08/23/1989 | EP0329216A1 Picture display device including a waveform generator/and a compensation circuit, and integrated circuit incorporating the same |
08/22/1989 | US4859955 Apparatus for smoothing an abrupt change in signal level |
08/08/1989 | US4855651 Timebase circuit |
07/25/1989 | US4851709 Variable frequency, fixed amplitude digital sweep generator |
07/19/1989 | EP0324089A2 Method for producing voltage pulses |
07/18/1989 | US4849652 Circuit for producing a periodic, essentially parabolic signal |
07/11/1989 | US4847549 Switching voltage regulator with stabilized loop gain |
07/11/1989 | US4847524 Gamma correction circuit |
07/05/1989 | EP0322899A2 Piezo electric vibrator pump |
07/05/1989 | CN1033721A Picture display device including staircase generator |
07/04/1989 | CA1256941A1 High efficiency ringing generator |
06/29/1989 | DE3834045A1 Dual-slope wave generator circuit |
06/28/1989 | EP0322030A2 Arrangement for generating a sawtooth current |
06/28/1989 | EP0322012A1 Picture display device including a staircase generator |
06/28/1989 | EP0321794A2 Low frequency triangular wave generator easy to integrate |
06/27/1989 | US4843255 Self-latching monostable circuit |
06/20/1989 | US4841497 Digital time base with corrected analog interpolation |
06/20/1989 | US4841251 Method of generating a voltage with a triangular shape from a sawtooth waveform |
06/13/1989 | US4839653 High-speed voltage-to-frequency converter |
06/07/1989 | CN1033322A Integrated poly-phase power meter |
06/06/1989 | US4837464 Phase regulation circuit, particularly for horizontal phase regulation in data displays |
06/06/1989 | US4837457 High voltage power transistor circuits |
05/30/1989 | US4835727 Field deflection circuit in a picture display device |