| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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| 07/04/1989 | US4845391 Switching circuits performing thyristor and triac functions |
| 07/04/1989 | CA1256951A1 Two clock boot circuit |
| 07/04/1989 | CA1256939A1 Battery economising circuit |
| 06/29/1989 | WO1989006070A1 Darlington amplifier with high speed turnoff |
| 06/28/1989 | EP0322385A2 Readback circuits for magnetooptic players |
| 06/28/1989 | EP0322000A1 Integrated logic circuit incorporating hot-carrier stress reduction and instability damping |
| 06/28/1989 | EP0321801A1 Turn-off thyristor with overvoltage protection |
| 06/28/1989 | EP0321798A2 Circuit arrangement for controlling a power triac |
| 06/28/1989 | EP0321795A2 Pilot circuit with integrated circuit with preset firing delay for MOS power transistors |
| 06/28/1989 | EP0321702A2 A circuit for holding a MOS transistor in a conduction state in a voltage supply outage situation |
| 06/28/1989 | EP0321663A2 Protection circuitry for a commutating transistor |
| 06/28/1989 | EP0321565A1 Alternating voltage commutator |
| 06/27/1989 | US4843259 Process for the non-contacting detection of eddy current-induced bodies, particularly metal objects, as well as to sensors based on the process |
| 06/27/1989 | US4843253 Monolithically integratable circuit for the generation of extremely short duration current pulses |
| 06/27/1989 | CA1256532A1 Data input system including a keyboard having no moving parts |
| 06/26/1989 | EP0243411A4 Touch sensitive indicating light. |
| 06/26/1989 | EP0216816A4 Circuit for dissipating stored inductive energy. |
| 06/21/1989 | EP0321052A2 TTL Compatible switching circuit having controlled ramp output |
| 06/21/1989 | EP0321028A2 Emitter-coupled logic circuit with three-state capability |
| 06/21/1989 | EP0320784A2 Methods and devices for controlling a GTO thyristor |
| 06/21/1989 | EP0320738A2 Thyristor capable of spontaneous firing |
| 06/21/1989 | EP0320582A2 Bicmos driver circuit including submicron on-chip voltage source |
| 06/21/1989 | EP0233892A4 A telephone line switch. |
| 06/21/1989 | CN2039790U Touch-actuated stepless light adjustable desk lamp |
| 06/21/1989 | CN2039529U Musical pneumatic watering set |
| 06/20/1989 | US4841173 Bipolar logic circuit |
| 06/20/1989 | US4841172 Bipolar-MOS logic circuit with high speed operation |
| 06/20/1989 | US4841166 Limiting shoot-through current in a power MOSFET half-bridge during intrinsic diode recovery |
| 06/20/1989 | US4841165 D. C. power controller |
| 06/20/1989 | US4841163 Proximity switch immune to interference fields |
| 06/20/1989 | US4841162 Limiter switching apparatus |
| 06/20/1989 | US4841159 Switching and testing system |
| 06/20/1989 | US4840165 Continuous spark electronic igniter |
| 06/20/1989 | CA1256215A1 Digital-to-analog converter with output sampler |
| 06/20/1989 | CA1256170A1 Cmos current switching circuit |
| 06/20/1989 | CA1256169A1 Assist circuit for improving the rise time of an electronic signal |
| 06/15/1989 | DE3741394A1 Circuit arrangement for protecting against polarisation reversal damage for load circuits with an MOSFET as switching transistor |
| 06/14/1989 | EP0320175A2 Pulse compressor |
| 06/14/1989 | EP0319870A2 Method for protecting the gate unit of a GTO thyristor |
| 06/14/1989 | EP0319810A2 Control circuit for a GTO thyristor |
| 06/14/1989 | EP0319660A1 Arrangement for relieving a semiconductor switch from high blocking voltage stress, and its use |
| 06/14/1989 | EP0319630A1 Contactor, especially for the supply circuits of an electric motor for driving a maintenance vehicle |
| 06/14/1989 | CN2039480U Safety relay for refrigerator and ice-cabinet |
| 06/14/1989 | CN2039461U Multi-functional sensitive relay |
| 06/13/1989 | US4839769 Driver protection circuit |
| 06/13/1989 | US4839643 Broadband signal switching equipment |
| 06/13/1989 | US4839605 Signal compensation circuits |
| 06/13/1989 | US4839538 Impact bipolar integrated circuit designed to eliminate output glitches caused by negative chip ground spikes |
| 06/13/1989 | US4839512 Tactile sensing method and apparatus having grids as a means to detect a physical parameter |
| 06/13/1989 | CA1255808A1 Three state select circuit for use in a data processing system or the like |
| 06/13/1989 | CA1255763A1 Semiconductor module for a high-speed switching arrangement |
| 06/08/1989 | DE3740553A1 Circuit arrangement for generating a reset signal for electronic circuits |
| 06/07/1989 | EP0319470A1 Method and circuit for the reduction of the temperature dependence of the oscillation parameters of an oscillator |
| 06/07/1989 | EP0319356A2 Matrix switch |
| 06/07/1989 | EP0319047A2 Power integrated circuit |
| 06/07/1989 | EP0318812A2 Low voltage fed driving circuit for electronic devices |
| 06/07/1989 | CN2039091U Electricity-saving with automatic time-delay cut-off light-control device |
| 06/07/1989 | CN2039086U 换向开关 Reversing switch |
| 06/07/1989 | CN2039067U Automatic electricity-saving protecting device for refrigerator |
| 06/07/1989 | CN1033322A Integrated poly-phase power meter |
| 06/07/1989 | CN1004462B Source apparatus of driving and controlling the three-end controlled electric valve |
| 06/06/1989 | US4837604 Femtosecond three-terminal switch and vertical tunnel junction |
| 06/06/1989 | US4837462 Semiconductor decoder circuit having switching means for preventing counterflow |
| 06/06/1989 | US4837460 Complementary MOS circuit having decreased parasitic capacitance |
| 06/06/1989 | US4837458 Flip-flop circuit |
| 06/06/1989 | US4837457 High voltage power transistor circuits |
| 06/06/1989 | US4837430 Photoelectric touch panel having parallel light emitting and detecting arrays separated by a light shield |
| 06/06/1989 | US4836636 Optical switch and optical keyboard utilizing the same |
| 06/06/1989 | CA1255406A1 Electronic circuit formed from thin film transistors for controlling a matrix device |
| 06/01/1989 | WO1989005051A1 A low power high voltage driver circuit |
| 06/01/1989 | DE3826509A1 Method for the transmission of signals between a control-technology central processing unit and a drive unit for a power converter valve which can be switched on and off |
| 06/01/1989 | DE3729951A1 CMOS output stage |
| 05/31/1989 | EP0318250A2 Controlling a control turn-off semiconductor device |
| 05/31/1989 | EP0318110A1 DC/AC bridge circuit |
| 05/31/1989 | EP0317984A2 Nonvolatile memory |
| 05/31/1989 | EP0317890A2 TTL circuit with increased transient drive |
| 05/31/1989 | EP0317759A2 Adjustable delay circuit |
| 05/31/1989 | EP0317758A2 Method for providing a delayed signal and controllable delay circuit |
| 05/31/1989 | CN2038667U Multifunctional time-delay relay |
| 05/30/1989 | US4835771 Integrated digital multiplexer circuit |
| 05/30/1989 | US4835423 MOS technology voltage switch-over circuit |
| 05/30/1989 | CA1254971A1 Laminated piezoelectric keyboard |
| 05/30/1989 | CA1254967A1 Optical seat switch |
| 05/24/1989 | EP0317476A2 Noise control in an integrated circuit chip |
| 05/24/1989 | EP0317437A2 Reset signal generating circuit |
| 05/24/1989 | EP0316914A2 High-frequency oscillation type proximity switch |
| 05/24/1989 | EP0316913A2 Time switch |
| 05/24/1989 | EP0316793A2 Bipolar-complementary metal oxide semiconductor circuit |
| 05/24/1989 | EP0316476A1 Fishing equipment |
| 05/24/1989 | CN2038300U Non-contact switch |
| 05/23/1989 | US4833587 Semiconductor switching circuit |
| 05/23/1989 | US4833559 Capacitor multiplexing for magnetoresistive heads |
| 05/23/1989 | US4833421 Fast one out of many differential multiplexer |
| 05/23/1989 | US4833343 Clock generator having complementary transistors |
| 05/23/1989 | US4833339 Load control system |
| 05/18/1989 | DE3737906A1 Circuit arrangement and method for a gate-turn-off power semiconductor |
| 05/17/1989 | EP0316149A2 Electronic switch arrangement |
| 05/17/1989 | EP0316059A2 Microwave pulse generator |
| 05/17/1989 | EP0316033A1 Integrated digital circuit |
| 05/17/1989 | CN2037913U Photoelectric lighting-system controller |