| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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| 06/23/1987 | US4675905 Multiple input silent audio switch |
| 06/23/1987 | US4675899 Frequency ring director |
| 06/23/1987 | US4675575 Light-emitting diode assemblies and systems therefore |
| 06/23/1987 | US4675561 FET output drive circuit with parasitic transistor inhibition |
| 06/23/1987 | US4675560 Static relay having means for detecting load defects |
| 06/23/1987 | US4675547 High power transistor base drive circuit |
| 06/23/1987 | US4675543 Drive circuit for gate turnoff thyristor |
| 06/23/1987 | CA1223300A1 Circuit arrangement for driving a current-controlled component |
| 06/16/1987 | US4674023 Method and apparatus for recognizing the cutoff state of a thyristor which can be switched off |
| 06/16/1987 | US4674022 SCR priming and sweep-out circuit apparatus |
| 06/16/1987 | US4673865 Charge coupled LED driver circuit |
| 06/16/1987 | US4673864 Circuit comprising series-connected semiconductor elements |
| 06/16/1987 | US4673831 RF power switches |
| 06/16/1987 | US4673827 Proximity switch insensitive to interference fields |
| 06/16/1987 | EP0225748A2 Multilayer capacitive keyboard membrane |
| 06/16/1987 | EP0225657A1 Method for controlling several electrical loads |
| 06/16/1987 | EP0225431A2 Buffered miller current compensating circuit |
| 06/11/1987 | DE3543784A1 Keyboard |
| 06/10/1987 | EP0225249A2 CMOS current switching circuit |
| 06/10/1987 | EP0224645A2 Electronic trigger switch for maintenance termination unit |
| 06/10/1987 | EP0224644A2 Electronic trigger switch |
| 06/10/1987 | EP0224535A1 Static switch circuit or device for the protected supply of a load, and its line. |
| 06/10/1987 | EP0224491A1 Method and circuit for providing adjustable control of short circuit current through a semiconductor device |
| 06/09/1987 | US4672642 Circuit for generating a clock signal at an AC line frequency |
| 06/09/1987 | US4672524 Overcurrent and overvoltage protected transistor inverter |
| 06/09/1987 | US4672502 Overdissipation protection circuit for a semiconductor switch |
| 06/09/1987 | US4672355 Manual belt control device |
| 06/09/1987 | US4672341 Sampling circuit for microwave signals |
| 06/09/1987 | US4672302 Circuit for controlling the load current level in a transistor |
| 06/09/1987 | US4672246 Low offset MOSFET transistor switch control |
| 06/09/1987 | US4672245 High frequency diverse semiconductor switch |
| 06/09/1987 | US4672244 Josephson logic integrated circuit |
| 06/09/1987 | US4672241 High voltage isolation circuit for CMOS networks |
| 06/09/1987 | US4672239 Sample-and-hold circuit arrangement |
| 06/09/1987 | US4672233 Controller with dual function switch |
| 06/09/1987 | US4672230 Electronic proximity switch device |
| 06/09/1987 | US4671668 For controlling a load |
| 06/04/1987 | DE3542751A1 Circuit arrangement to reduce dissipated energy in wiring networks of semiconductor switches |
| 06/03/1987 | CN86106824A Semi-conductor integrated circuits/systems |
| 06/03/1987 | CN86106078A Driving circut for coil |
| 06/03/1987 | CN85108410A Protective circuit for high-power transistor |
| 06/02/1987 | US4670833 Semiconductor module for a high-speed switching arrangement |
| 06/02/1987 | US4670810 Zero-current a.c. switching system |
| 06/02/1987 | US4670720 Switching device for suppressing a signal |
| 06/02/1987 | US4670692 High-speed power amplifier for driving inductive loads |
| 06/02/1987 | US4670668 Substrate bias generator with power supply control means to sequence application of bias and power to prevent CMOS SCR latch-up |
| 06/02/1987 | US4670667 Series-connected power transistors |
| 06/02/1987 | US4670663 Guarded switches for component scanner |
| 05/27/1987 | EP0223259A1 Current output circuit |
| 05/27/1987 | EP0222999A2 Digital-to-Analog converter with output sampler |
| 05/27/1987 | EP0222847A1 Safety system for use in connection with working machines |
| 05/27/1987 | DE3643589A1 Circuit arrangement for reducing the temperature coefficient in inductive proximity switches |
| 05/27/1987 | CN86201728U Threshhold controlled monitoring recorder |
| 05/27/1987 | CN86201307U Street lamp time switch for every alternate post |
| 05/27/1987 | CN85108516A Safetyelectric switch for waterproof, explosion-proof and corrosion-proof |
| 05/26/1987 | US4669112 Automatic telephone number indicating device |
| 05/26/1987 | US4669111 Polarity ring director |
| 05/26/1987 | US4669085 Electro-optical modulator for an electro-optically modulated laser |
| 05/26/1987 | US4669023 Apparatus for freeing electronic one-way switches from high power dissipation stresses |
| 05/26/1987 | US4668904 For the gradient coil of a nuclear spin imaging apparatus |
| 05/26/1987 | US4668877 Touch controlled switch for a lamp or the like |
| 05/26/1987 | CA1222311A1 Low power wideband switching array element |
| 05/21/1987 | WO1987003153A1 Drive circuit for fast switching of darlington-connected transistors |
| 05/21/1987 | DE3540920A1 Frequency generator with raised oscillating circuit voltage |
| 05/21/1987 | DE3540680A1 Passive infrared movement receiver |
| 05/21/1987 | DE3540434A1 Circuit arrangement for interrogating the state of at least one keying device and for supplying an indication to an indicating device |
| 05/21/1987 | DE3536414A1 Arrangement for the forced extinction of a thyristor by means of a commutation circuit |
| 05/20/1987 | EP0222369A2 Gate circuit |
| 05/20/1987 | EP0222042A1 Circuit arrangement of an isolation layer field effect transistor and a coil |
| 05/19/1987 | US4667303 Digital integrated circuit comprising complementary field effect transistors |
| 05/19/1987 | US4667212 Integrated optical and electric circuit device |
| 05/19/1987 | US4667147 Inductive proximity switch |
| 05/19/1987 | US4667121 Integrated circuit speed controller |
| 05/14/1987 | DE3540195A1 Signal transmitter |
| 05/13/1987 | CN86204293U Time-delay switch for doorway lamps |
| 05/12/1987 | US4665461 Circuit for reducing electromagnetic interference from magnetic core keyboards |
| 05/12/1987 | US4665459 Method and circuit for dissipating stored inductive energy |
| 05/12/1987 | US4665324 Touch control apparatus for electric appliances |
| 05/12/1987 | US4665316 Photovoltaic relay switch |
| 05/12/1987 | CA1221734A1 Saturation control of a switching transistor |
| 05/07/1987 | WO1987002846A1 Touch sensitive indicating light |
| 05/07/1987 | DE3539252A1 Proximity switch and method for manufacturing it |
| 05/07/1987 | DE3539024A1 Switch |
| 05/07/1987 | DE3538584A1 Arrangement comprising a plurality of field effect transistors operating in parallel and applications |
| 05/07/1987 | DE3537950A1 Proximity switch with a glass-fibre cable |
| 05/06/1987 | EP0220953A2 High potential hold circuit |
| 05/06/1987 | EP0220816A2 Gated transmission circuit (on-chip) |
| 05/06/1987 | EP0220791A1 Switching device |
| 05/06/1987 | EP0220779A2 Circuit arrangement for controlling a capacitive load |
| 05/06/1987 | EP0220454A1 Circuit arrangement for compensating gate transit time variations as a function of temperature |
| 05/06/1987 | EP0220326A1 Input state detection circuit |
| 05/06/1987 | EP0220275A1 Capacitance-type switch |
| 05/05/1987 | USH275 Pulse modulator |
| 05/05/1987 | US4663598 Monolithic switch |
| 05/05/1987 | US4663547 Composite circuit for power semiconductor switching |
| 05/05/1987 | US4663544 High performance analog gate/absolute value circuit |
| 05/05/1987 | US4663542 For contactless detection of an approaching object |
| 05/05/1987 | US4663521 Infrared radiation controlled switch with a visible light detector |
| 05/05/1987 | CA1221417A1 High speed pin electronics driver circuit for automatic test equipment |
| 04/30/1987 | DE3538184A1 Protection circuit against overvoltages |