| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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| 02/05/1992 | EP0469173A1 Inverter with over-current protection |
| 02/05/1992 | EP0469172A1 Quarter bridge circuit for high currents |
| 02/05/1992 | EP0469003A1 Circuits with switching protection and parts therefor |
| 02/04/1992 | WO1992002985A1 Three terminal non-inverting transistor switch |
| 02/04/1992 | US5086364 Circuitry for detecting a short circuit of a load in series with an fet |
| 02/04/1992 | US5086242 Fast turn-off of thyristor structure |
| 02/04/1992 | US5086238 Semiconductor supply incorporating internal power supply for compensating for deviation in operating condition and fabrication process conditions |
| 02/04/1992 | US5086237 Re-triggerable monostable multivibrator capable of generating a predetermined width of pulse with additional logic gate and D flip-flop with reset |
| 01/30/1992 | DE4023792A1 Proximity switch with integral housing - uses sensor sunk into cup of plastics material |
| 01/29/1992 | EP0468650A1 Solid state switch with last state memory |
| 01/29/1992 | EP0468642A2 Detection switch circuit |
| 01/29/1992 | EP0468635A2 Switching device |
| 01/29/1992 | EP0468583A1 Driver circuit |
| 01/29/1992 | EP0468424A2 Electronic switching apparatus with presence indicator |
| 01/29/1992 | EP0468210A2 Circuit for driving a floating circuit in response to a digital signal |
| 01/29/1992 | EP0468209A2 Single-drive level shifter, with low dynamic impedance |
| 01/29/1992 | EP0468062A1 Electronically controlled fluid dispenser |
| 01/29/1992 | EP0467942A1 Safety switch assembly |
| 01/29/1992 | CN2094826U Mult-function electronic controller |
| 01/29/1992 | CN1058301A 可编程序的反时限延迟电路 Inverse programmable delay circuit |
| 01/28/1992 | US5084668 System for sensing and/or controlling the level of current in a transistor |
| 01/28/1992 | US5084634 Dynamic input sampling switch for CDACS |
| 01/28/1992 | US5084633 Bidirectional current sensing for power MOSFETS |
| 01/28/1992 | CA1295053C Bilateral switching device |
| 01/28/1992 | CA1295012C Control device of the transistor bases of an inverter arm |
| 01/26/1992 | WO1992002073A1 Miniaturized switching power supply having unidirectional spike filter |
| 01/23/1992 | DE4107031C1 Load current pulse duration determn. circuit for rectifier thyristor - provides measurement of thyristor control potentials independently of load |
| 01/23/1992 | DE4022889A1 Magnetic field sensitive inductive proximity switch - uses sensor plate of high permeability soft magnetic material |
| 01/22/1992 | EP0467682A2 Drive circuit for voltage driven type semiconductor device |
| 01/22/1992 | EP0467681A2 Drive circuit for current sense IGBT |
| 01/22/1992 | EP0467675A2 Programmable inverse time delay circuit |
| 01/22/1992 | EP0467104A2 System and circuits using Josephson junctions |
| 01/22/1992 | CN2094155U Infrared heat-inductive switch |
| 01/22/1992 | CN2094108U Remote-control pulling switch |
| 01/22/1992 | CN2093676U Multi-functional sound-imitating serial toy controller |
| 01/21/1992 | US5083043 Voltage control circuit for a semiconductor apparatus capable of controlling an output voltage |
| 01/21/1992 | CA1294676C Feed forward darlington circuit with reduced npn reverse beta sensitivity |
| 01/19/1992 | CA2046077A1 Programmable inverse time delay circuit |
| 01/16/1992 | DE4121177A1 Switch=off circuitry for discharge of inverter branch pairs - consists of two gate-controlled semiconductor switches arranged between poles of DC voltage source |
| 01/16/1992 | DE4103320C1 Pulsed current source suitable for laser diode supply - has two switching circuits controlled for push=pull operation |
| 01/16/1992 | DE4042378A1 Symmetrical switch discharge system for inverter branch pair - uses gate controlled semiconductor switches connected to DC voltage source |
| 01/16/1992 | DE4022176A1 Control modulator for power transistors - has further transformer in sec. load circuit of driver transformer providing current feedback |
| 01/16/1992 | DE4021859A1 Complex electrical circuitry with two function modules - extends reset signal provided by one module beyond point of effect of reset signal provided by other module |
| 01/16/1992 | DE4021486A1 Operation circuitry for electromagnetic load devices - having variable voltage requirements that can set by regulating circuit |
| 01/15/1992 | EP0466323A1 Tristable output buffer with state transition control |
| 01/15/1992 | EP0466238A2 Driver circuit |
| 01/15/1992 | CN2093496U Light and speed adjustable touching switch |
| 01/15/1992 | CN2093472U Insulated inductive electronic switch |
| 01/15/1992 | CN2093471U Series type infrared controlled switch |
| 01/15/1992 | CN2093470U Multifunctional protection three-phase contactless electronic switch |
| 01/15/1992 | CN2093469U Time-delay and electricity-saving electronic switch |
| 01/15/1992 | CN2093468U Fully-turning off controller for remotely controlling household electric appliane |
| 01/15/1992 | CN2093467U Silicon-controlled zero triggering switch capable of serially-connecting with a.c. load |
| 01/15/1992 | CN2093429U Press-contact sound production finger sleeve electronic musical instrument |
| 01/14/1992 | US5081411 AC/DC two-wire control techniques |
| 01/14/1992 | US5081379 Current-sensing circuit for an ic power semiconductor device |
| 01/14/1992 | US5081374 Output buffer circuit with signal feed forward for reducing switching induced noise |
| 01/14/1992 | US5081371 Integrated charge pump circuit with back bias voltage reduction |
| 01/14/1992 | US5080982 Magnetic recording medium |
| 01/14/1992 | CA2045028A1 Solid state switch with last state memory |
| 01/14/1992 | CA1294325C Switch mode power supply protective circuit arrangement |
| 01/12/1992 | WO1992001335A1 Surge current-limiting circuit for a large-capacitance load |
| 01/09/1992 | DE4034096A1 Automatic on=off switching circuitry for mobile appts. - has sensor(s) responsive to movement or change and charge and discharge capacitors responsive to sensor signals |
| 01/09/1992 | DE4021693A1 Emergency OFF circuitry for transistor stage in emitter circuit - has output stage transistor collector coupled to cathode of thyristor formed by third and fourth transistors |
| 01/09/1992 | DE4020343A1 Protecting GTO thyristor from overcurrent - measuring magnitude obtained by progressive integration of anode current change |
| 01/09/1992 | DE4019927A1 Verfahren zum betreiben einer schaltungsanordnung fuer eine beruehrungslos gesteuerte sanitaerarmatur und schaltungsanordnung zur durchfuehrung dieses verfahrens Method for operating a circuit arrangement for a Touch-sanitaerarmatur and circuit arrangement for implementing this method |
| 01/08/1992 | EP0464667A2 Power-on-clear signal generating circuit |
| 01/08/1992 | EP0464468A2 Semiconductor memory device |
| 01/08/1992 | EP0464049A1 Electrical quenching circuit. |
| 01/08/1992 | CN2092837U Automatic switch of power source for facsimile printer |
| 01/08/1992 | CN2092834U Circulating delay timed relay |
| 01/08/1992 | CN2092833U Device for removing voltage and leakage current of semiconduction |
| 01/08/1992 | CN2092659U Table lamp controlled by sound |
| 01/08/1992 | CN1057588A Time-sharing multimode controller for bionic spectrum therapeutic apparatus |
| 01/07/1992 | US5079595 Organic thin film semiconductor device |
| 01/07/1992 | US5079502 Proximity sensor having a bridge circuit with a voltage controlled resistance |
| 01/07/1992 | US5079457 Dual solid state relay |
| 01/07/1992 | US5079456 Current monitoring and/or regulation for sense FET's |
| 01/07/1992 | US5079455 Surge current-limiting circuit for a large-capacitance load |
| 01/07/1992 | US5079448 Emitter-follower circuit in which load capacitance is quickly discharged |
| 01/02/1992 | EP0463687A2 Power control circuit arrangement with low feedback to mains |
| 01/02/1992 | EP0463523A1 Power semiconductor circuit |
| 01/02/1992 | EP0463440A2 Method of driving a circuit arrangement for a contactless controlled sanitary device and circuit for carrying out this method |
| 01/02/1992 | EP0463325A2 Device and method for driving semiconductor device having bipolar transistor, insulated gate FET and thyristor combined together |
| 01/02/1992 | EP0463316A1 Self-adjusting impedance matching driver |
| 01/02/1992 | EP0463188A1 Inductive proximity switch with low sensitivity to temperature variations |
| 01/02/1992 | DE4034828C1 Eliminating influence of external light on opto-electronic keyboard - determining whether keying surface receives outside light or reflection of emitted light is increased as surface is activated |
| 01/02/1992 | DE4020652A1 Time interval signal electronic generator for IC engine - produces output when state of free running counter coincides with content of register loaded by computer |
| 01/01/1992 | CN2092174U Regulatable self-starting lamp |
| 01/01/1992 | CN2092167U Automatically controlled lighting switch |
| 01/01/1992 | CN2092166U Multi-terminal control switch |
| 01/01/1992 | CN2091689U Device for waking up by massage |
| 12/31/1991 | US5077756 Data network line driver |
| 12/31/1991 | US5077651 Snubber circuit of power converter |
| 12/31/1991 | US5077492 Bicmos circuitry having a combination cmos gate and a bipolar transistor |
| 12/31/1991 | US5077491 Low standby current comparator having a zero temperature coefficient with hysterisis |
| 12/31/1991 | US5077490 Schottky-diode emulator for BiCMOS logic circuit |
| 12/31/1991 | US5077487 Driver circuit for a large capacity switching element |
| 12/31/1991 | US5077467 Photoelectric switch and relay system with disabling fail-safe monitoring circuitry |
| 12/31/1991 | US5076566 Self-calibrating system for detecting media movement by using capacitors as sensors |