| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
|---|
| 10/07/1987 | EP0239862A1 Control circuit for a power MOSFET with a load connected to its source |
| 10/07/1987 | EP0239861A1 MOSFET switch with an inductive load |
| 10/07/1987 | EP0239762A2 Buffer circuit |
| 10/07/1987 | EP0239705A1 Signal preconditioning for touch entry device |
| 10/07/1987 | EP0239587A1 Instruction sequencer for microprocessor with network for the determination of the phases of instruction cycles. |
| 10/06/1987 | US4698821 Integrated light emitting/receiving amplifier element |
| 10/06/1987 | US4698736 Protection circuit for a power converter apparatus |
| 10/06/1987 | US4698720 Dynamic protection integrated device, in particular for MOS input stages integrated circuits |
| 10/06/1987 | US4698719 Protective triggering of thyristors in a pulse generator |
| 10/06/1987 | US4698582 Power driver having short circuit protection |
| 10/06/1987 | US4698559 Power amplifiers for driving inductive loads |
| 10/06/1987 | US4698531 Power-on reset circuit |
| 10/06/1987 | US4698530 Power switch for dual power supply circuit |
| 10/06/1987 | US4698529 Output control circuit to prevent output of initial spike noise |
| 10/06/1987 | US4698525 Buffered Miller current compensating circuit |
| 10/06/1987 | US4698521 Bi-directional current switch |
| 10/06/1987 | US4698520 Method and apparatus to trigger the current-conducting state of gate-turn-off thyristor |
| 10/06/1987 | US4698519 Monolithically integratable high-efficiency control circuit for switching transistors |
| 10/03/1987 | CN86200741U Subminiature ir-controlled high-voltage-pulse trigger |
| 09/30/1987 | EP0238989A2 Capacitance switching device for keyboard |
| 09/30/1987 | EP0238834A1 Space-coupling device for broad band signals |
| 09/30/1987 | EP0238745A2 Fast transition, flat pulse generator |
| 09/30/1987 | EP0238712A1 Controlled commutator matrix |
| 09/30/1987 | EP0238683A1 Device for generating high-power high-tension pulses |
| 09/30/1987 | EP0238671A1 Semiconductor device |
| 09/30/1987 | CN86206887U Sound controlling time delay socket |
| 09/29/1987 | US4697219 Snubber circuit for gate turnoff thyristor |
| 09/29/1987 | US4697111 Logic boatstrapping circuit having a feedforward kicker circuit |
| 09/29/1987 | US4697097 CMOS power-on detection circuit |
| 09/29/1987 | US4697096 High voltage solid state switch |
| 09/29/1987 | CA1227536A1 Var generator having controlled discharge of thyristor switched capacitors |
| 09/24/1987 | WO1987005759A1 Improvements to optical mirror keyboards |
| 09/24/1987 | DE3609375A1 Circuit arrangement for an electronic switching element with voltage rise limiting |
| 09/23/1987 | EP0238358A2 Buffer circuit |
| 09/23/1987 | EP0238283A2 High voltage detecting circuit |
| 09/23/1987 | CN86209664U Power socket box with sound-controlled switch |
| 09/22/1987 | US4696059 Reflex optoelectronic switching matrix |
| 09/22/1987 | US4695980 Integrated circuit having a common input terminal |
| 09/22/1987 | US4695915 Short circuit and overload protection circuit for output stage transistors |
| 09/22/1987 | US4695807 Circuit arrangement having clearing transistors for discharging a Darlington stage |
| 09/22/1987 | US4695770 Circuit for switching current in an inductive load |
| 09/22/1987 | US4695752 Narrow range gate baseband receiver |
| 09/22/1987 | US4695749 Emitter-coupled logic multiplexer |
| 09/22/1987 | US4695747 Apparatus increasing diode switching speeds |
| 09/22/1987 | US4695740 Bidirectional buffer amplifier |
| 09/22/1987 | US4695733 High speed; altivated by diode laser |
| 09/16/1987 | EP0237171A2 Inductance divider sensor |
| 09/16/1987 | EP0236967A1 Circuit arrangement for controlling a MOSFET with a load connected to its source |
| 09/16/1987 | EP0236755A1 Device for detecting an interruption in a space between the emitter and the receiver of a light signal sent by at least one emitter |
| 09/15/1987 | US4694389 Proportional transistor base drive circuit for use in power converters and components thereof |
| 09/15/1987 | US4694234 For detecting a pulse width of a pulse signal |
| 09/15/1987 | US4694227 Current sharing circuit |
| 09/15/1987 | US4694207 FET gating circuit for switching electrical loads |
| 09/15/1987 | US4694206 Drive circuit for a power field effect transistor |
| 09/15/1987 | US4694203 High speed bi-comos switching circuit |
| 09/12/1987 | CN86210254U Digital time relay with multiple time-limits |
| 09/09/1987 | EP0236158A1 Voltage regulator |
| 09/09/1987 | EP0236051A2 Circuit for reducing electromagnetic interference from magnetic core keyboards |
| 09/09/1987 | EP0235459A1 Phototransistor apparatus with current ambient compensation |
| 09/09/1987 | EP0235156A1 Optical seat switch. |
| 09/09/1987 | CN86101221A Electronic switch controlled by metering |
| 09/08/1987 | US4692724 High power tunable filter |
| 09/08/1987 | US4692717 Voltage controlled oscillator with high speed current switching |
| 09/08/1987 | US4692688 Zero standby current switch method and apparatus |
| 09/08/1987 | US4692687 Optical pulse receiving device |
| 09/08/1987 | US4692643 Semiconductor switching device having plural MOSFET's, GTO's or the like connected in series |
| 09/02/1987 | EP0234775A1 Signal processing circuits |
| 09/02/1987 | EP0233892A1 A telephone line switch. |
| 09/02/1987 | CN86206888U Household acoustic control power socket |
| 09/01/1987 | US4691270 Current fed inverter bridge with lossless snubbers |
| 09/01/1987 | US4691263 Low leakage, solid state a-c power contact |
| 09/01/1987 | US4691262 Circuit for protecting a power transistor against a short-circuited load |
| 09/01/1987 | US4691185 Solid state magnetic microswitch |
| 09/01/1987 | US4691149 Apparatus and method for protecting a motor control circuit |
| 09/01/1987 | US4691143 Circuit status indicating device with improved switch on/off detection capability |
| 09/01/1987 | US4691129 Drive circuit for a power MOSFET with source-side load |
| 09/01/1987 | US4691127 Adaptive electronic buffer system having consistent operating characteristics |
| 09/01/1987 | US4691117 Switch device |
| 09/01/1987 | US4691111 High voltage pulse forming network |
| 08/27/1987 | WO1987005172A1 Improvements to optical scanning keyboards |
| 08/27/1987 | WO1987005075A1 Method and circuit for driving electromagnetic consumers |
| 08/27/1987 | DE3606239A1 Control circuit having at least one circuit breaker |
| 08/27/1987 | DE3605885A1 Light barrier |
| 08/26/1987 | EP0233797A1 Progressive-wave electro-optical directional coupler with alternate phase displacement |
| 08/26/1987 | EP0233734A2 Clock signal generating circuit |
| 08/26/1987 | EP0233550A2 A time delay circuit for a semiconductor device |
| 08/25/1987 | US4689711 Monolithically integrated, polarity-reversal protected circuit |
| 08/25/1987 | US4689500 Comparator with substrate injection protection |
| 08/25/1987 | US4689499 Universal current source and current sink sensor interface |
| 08/25/1987 | US4689496 Two clock boot circuit |
| 08/25/1987 | US4689495 CMOS high voltage switch |
| 08/25/1987 | US4689492 Switching circuit |
| 08/19/1987 | EP0232764A2 Circuit arrangement for controlling the longitudinal switch member of a switching current power supply apparatus |
| 08/19/1987 | EP0232381A1 Apparatus for dispensing fluid material. |
| 08/19/1987 | EP0104168B1 Optical keyboard with common light transmission members |
| 08/18/1987 | US4688157 Switching circuit using a fast diode and provided with means for damping oscillations on opening |
| 08/18/1987 | US4688139 Electromagnet drive device |
| 08/18/1987 | US4688138 Electromagnet drive device |
| 08/18/1987 | US4688071 Circuit arrangement comprising a phototransistor |
| 08/18/1987 | US4687957 Fiber optic transceiver |