| Patents for H03K 5 - Manipulating pulses not covered by one of the other main groups in this subclass (25,714) |
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| 03/08/1990 | WO1990002448A1 A bicmos inverter circuit |
| 03/07/1990 | EP0357213A2 Low power sense amplifier for programmable logic device |
| 03/07/1990 | EP0357131A2 Amplifier arrangement, in particular for amplifying a digital signal |
| 03/07/1990 | EP0357046A2 Signal processing device for analogue to digital conversion |
| 03/07/1990 | EP0356986A2 Buffer circuit for logic level conversion |
| 03/07/1990 | CN1007116B Digital wire receiver |
| 03/07/1990 | CN1007112B Frequency synthesizer circuit for generating analog of digitally step-adjustable frequency |
| 03/06/1990 | US4907121 Comparator with extended common-mode input voltage range |
| 03/06/1990 | US4906871 Level shift circuit for converting a signal in an ecl level into a signal in a cmos logic level |
| 03/06/1990 | US4906867 Buffer circuit with load sensitive transition control |
| 02/28/1990 | EP0356042A1 Method and apparatus for synchronising clock signals |
| 02/28/1990 | EP0355922A1 Input circuit with accelerated switching |
| 02/28/1990 | EP0355835A2 Self-timing analog-to-digital converting system |
| 02/28/1990 | EP0355769A2 Clock supply circuit |
| 02/28/1990 | EP0355329A2 Circuit for phase shifting |
| 02/28/1990 | EP0134220B1 Write strobe generator for clock synchronized memory |
| 02/27/1990 | US4904948 Phase comparator circuit |
| 02/27/1990 | US4904947 Method and circuit for measuring pulse width |
| 02/27/1990 | US4904924 Output circuit for outputting a level shifted output signal |
| 02/21/1990 | CN1039938A Conversion circuit |
| 02/21/1990 | CN1006950B Method and apparatus for editing particle produced electrical pulses |
| 02/20/1990 | US4902970 Apparatus for measuring the speed of an object with circuit for converting analog signals into logic signals and circuit for varying sensitivity |
| 02/20/1990 | US4902913 Analog comparator |
| 02/20/1990 | US4902911 Semiconductor integrated circuit having a built-in power voltage generator |
| 02/20/1990 | CA1266098A1 Phase detecting circuit |
| 02/15/1990 | DE3826881A1 Method for converting a sequence of pulses with a smaller duty ratio into a wave form having a larger duty ratio |
| 02/14/1990 | EP0354842A1 Transition steepener for digital signals and digital-to-analogue converter containing such transition steepener in its input |
| 02/14/1990 | EP0354357A2 Delay device |
| 02/14/1990 | CN1039688A Cmos programmable logic array |
| 02/13/1990 | US4901315 Integrated data and timing circuitry for automatic circuit tester |
| 02/13/1990 | US4900952 Voltage comparison apparatus |
| 02/13/1990 | US4900951 Latch-up restoration circuit |
| 02/13/1990 | US4900950 Power on reset circuit for a MOS technology integrated circuit |
| 02/13/1990 | CA1265848A1 Method of obtaining a digital signal and a digital difference frequency mixer |
| 02/08/1990 | WO1990001233A1 Conversion circuit |
| 02/07/1990 | EP0353807A1 Phase detection circuit for stepwise measurement of a phase relation |
| 02/07/1990 | EP0265435B1 Circuit for protecting against interference voltages occurring on signalling lines |
| 02/06/1990 | US4899152 Method and apparatus for temperature compensating a digital to analog converter |
| 02/06/1990 | US4899071 Active delay line circuit |
| 02/06/1990 | US4899068 Comparison circuit with error compensated mos switches |
| 01/31/1990 | EP0353134A2 Circuit to perform variable threshold logic |
| 01/31/1990 | EP0352758A2 Method and circuit configuration for detecting rapid damping changes with a proximity switch |
| 01/30/1990 | US4897857 FSK demodulating device |
| 01/30/1990 | US4897569 CMOS amplifier for memories |
| 01/30/1990 | US4897559 Variable clock delay circuit utilizing the R-C time constant |
| 01/29/1990 | EP0306519A4 Current sensing differential amplifier. |
| 01/24/1990 | EP0351874A2 Output circuit |
| 01/24/1990 | EP0351820A2 Output circuit |
| 01/24/1990 | EP0351697A1 Converter circuit |
| 01/23/1990 | US4896059 Circuit to perform variable threshold logic |
| 01/16/1990 | US4894791 Delay circuit for a monolithic integrated circuit and method for adjusting delay of same |
| 01/16/1990 | US4894651 Broadband signal switching equipment |
| 01/16/1990 | US4894626 Variable length shift register |
| 01/11/1990 | DE3822858A1 Method and circuit arrangement for producing a phase-shifted clock signal |
| 01/10/1990 | EP0350184A2 Pulse train interruption sensing circuit |
| 01/10/1990 | EP0350178A2 An output circuit for outputting a level shifted output signal |
| 01/10/1990 | EP0349981A2 Logic circuit |
| 01/10/1990 | EP0349954A2 Voltage clamped differential to single ended converter circuit |
| 01/10/1990 | EP0349715A2 Method and circuit for producing a phase-delayed clock signal |
| 01/10/1990 | EP0203096B1 Self-correcting frequency dividers |
| 01/10/1990 | CN1038731A Binary data regenerator with adaptive threshold level |
| 01/09/1990 | US4893274 Semiconductor memory device having level converters |
| 01/09/1990 | US4893122 Parallel analog to digital converter employing sample and hold stages |
| 01/09/1990 | US4893036 Differential signal delay circuit |
| 01/09/1990 | US4893029 Power supply noise protection circuit |
| 01/03/1990 | EP0349205A2 Differential analog comparator |
| 01/03/1990 | EP0349028A2 Integrated semiconductor circuit comprising a differential pair of FETs |
| 01/03/1990 | EP0348643A1 Threshold circuit with a preset threshold |
| 01/03/1990 | EP0348539A1 Programmable CMOS logic array |
| 01/02/1990 | US4891627 Device for detecting object |
| 12/28/1989 | DE3821229A1 Circuit arrangement for producing pulses having a high edge gradient |
| 12/27/1989 | EP0348079A2 Symmetric integrated amplifier with controlled DC offset voltage |
| 12/27/1989 | EP0348051A1 Output circuit having a voltage level shifting circuit |
| 12/27/1989 | EP0347983A2 Electronic delay control circuit |
| 12/27/1989 | EP0347759A2 Speed enhancement technique for CMOS circuits |
| 12/27/1989 | CN1006217B Device for indicating elevator remove |
| 12/26/1989 | US4890308 Scanning pulse generating circuit |
| 12/26/1989 | US4890022 Delay circuit device utilizing the Miller effect |
| 12/21/1989 | DE3820314A1 Circuit arrangement for monitoring clocks which are to be synchronized to one another |
| 12/20/1989 | EP0347359A2 CMOS data recovery system |
| 12/20/1989 | EP0347189A2 Circuit for protecting input of semiconductor device |
| 12/20/1989 | EP0347048A2 A CMOS differential driver |
| 12/20/1989 | CN1038191A Voltage level conversion circuit |
| 12/19/1989 | US4888790 Timing recovery system using bipolar-pattern center estimator |
| 12/19/1989 | US4888603 Light emitting diode array |
| 12/19/1989 | US4888505 Voltage multiplier compatible with a self-isolated C/DMOS process |
| 12/13/1989 | EP0345893A1 Integrated semiconductor circuit comprising a frequency divider circuit dividing by two |
| 12/13/1989 | EP0345621A2 High speed CMOS comparator with hysteresis |
| 12/12/1989 | US4886983 Reset pulse generating device |
| 12/06/1989 | EP0344368A1 Improvements in or relating to delay circuits |
| 12/05/1989 | US4885585 Ramp generator reset circuit |
| 12/05/1989 | US4885484 Voltage clamped differential to single ended converter circuit |
| 12/05/1989 | US4885475 Precision 50 percent duty cycle controller |
| 11/30/1989 | WO1989011755A1 Driver circuit |
| 11/30/1989 | DE3816789A1 Pulse regenerator |
| 11/29/1989 | EP0343899A2 Circuit for generating pulses having controlled duty cycle |
| 11/29/1989 | EP0343898A2 Frequency doupling circuit |
| 11/29/1989 | EP0343537A2 Timing generator |
| 11/29/1989 | EP0343484A2 Touchless proximity switch for railway installations |
| 11/29/1989 | EP0343317A2 Filter circuit |