| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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| 05/11/1994 | DE4237929A1 Proximity switch using magnetic field sensor |
| 05/11/1994 | DE4237489A1 Schaltung zum Schutz eines MOSFET-Leistungstransistors A circuit for protecting a MOSFET power transistor |
| 05/10/1994 | US5311519 Multiplexer |
| 05/10/1994 | US5311163 Electrically operated magnetic switch designed to display reduced leakage inductance |
| 05/10/1994 | US5311136 Gradient power source apparatus for magnetic resonance imaging system |
| 05/10/1994 | US5311084 Integrated circuit buffer with controlled rise/fall time |
| 05/10/1994 | US5311083 Very low voltage inter-chip CMOS logic signaling for large numbers of high-speed output lines each associated with large capacitive loads |
| 05/10/1994 | US5311077 Power supply, temperature, and load capacitance compensating, controlled slew rate output buffer |
| 05/10/1994 | US5311069 Driver circuitry for commutated inductive loads |
| 05/05/1994 | DE4336887A1 Integrated semiconductor circuit e.g. DRAM chip - has distance between second output device - with drive rate adjusting element - and potential contact, greater than distance between first device and contact |
| 05/05/1994 | DE4241174A1 Synchronised switching-off process for several GTO thyristors - detecting switch=off time point in dependence on specified gate-cathode voltage |
| 05/05/1994 | DE4236334A1 Monolithisch integriertes MOS-Endstufenbauteil mit einer Überlast-Schutzeinrichtung Monolithically integrated MOS output stage component with an overload protection device |
| 05/05/1994 | DE4233922A1 Inductive proximity switch with externally influenced oscillator - has influencing capacitance in parallel with auxiliary oscillation circuit, and monitors pulses |
| 05/05/1994 | CA2102046A1 Free-running oscillatory power supply circuit |
| 05/04/1994 | EP0595748A1 Power up detection circuits |
| 05/04/1994 | EP0595734A1 Multiplexer receiving at its input a plurality of identical signals differing only in phase |
| 05/04/1994 | EP0595620A1 Switching circuit |
| 05/04/1994 | EP0595069A1 Current switching stage |
| 05/04/1994 | EP0595018A2 Monolithically integrated final MOS-transistor stage with an overheating preventing circuit |
| 05/04/1994 | EP0594967A1 Power on reset circuit |
| 05/04/1994 | EP0594852A1 Fail-safe scanning circuit and sensor of multi-optical axis beam type |
| 05/04/1994 | CN2164154Y Light-card electronic switch |
| 05/04/1994 | CN2164153Y Multi-functional sound, light and hand controlling time-delay switch |
| 05/04/1994 | CN2164152Y Infrared energy-saving automatic switch |
| 05/04/1994 | CN2164151Y Infrared remote-controlled multi-purpose multiple-way switch |
| 05/04/1994 | CN2164150Y Two-way silicon-controlled zero-phase trigger switch |
| 05/04/1994 | CN1024443C Micro-electronic key-board switch and touch material making method |
| 05/03/1994 | US5309347 H-bridge circuit with protection against crossover conduction |
| 05/03/1994 | US5309345 For an alternating current power unit |
| 05/03/1994 | US5309314 Circuit configuration for actuating a safety relay |
| 05/03/1994 | US5309309 Semiconductor protection against high energy transients |
| 05/03/1994 | US5309112 Switched-capacitor circuit power down technique |
| 05/03/1994 | US5309084 Electronic switch with on/off fading |
| 05/03/1994 | US5309036 Driver circuit for an attachment unit interface used in a network system |
| 05/03/1994 | US5309035 Method and apparatus for clock skew reduction through absolute delay regulation |
| 05/03/1994 | US5309034 Timer circuit for stretching the duration of an input pulse |
| 05/03/1994 | US5308965 Display device for an industrial console module |
| 05/03/1994 | US5308943 Convertible hybrid touch button switch |
| 05/03/1994 | US5308241 Surface shaping and finshing apparatus and method |
| 04/28/1994 | WO1994009554A1 A boost-converter with low losses |
| 04/28/1994 | DE4235909A1 Mono to stereo changeover switch - has differential amplifier with transistor whose base is supplied with voltage lying between lower and upper levels of pulse signal |
| 04/28/1994 | DE4233325A1 Inductive proximity switch for e.g. electronic control circuit - has sensor coil and sensor inductance having U-shaped ferrite core with square shaped base |
| 04/28/1994 | DE4225408C1 Overvoltage protection for push=pull transistor switching stage - uses respective diodes for each transistor and common Zener diode coupled between transistor drain and control electrodes |
| 04/28/1994 | CA2126443A1 A boost-converter with low losses |
| 04/27/1994 | EP0594517A1 Open load detection circuit |
| 04/27/1994 | EP0594294A2 Power supplies for flash EEPROM memory cells |
| 04/27/1994 | EP0594242A2 Sample-and-hold circuit with reduced clock feedthrough |
| 04/27/1994 | EP0594144A1 Bussystem |
| 04/27/1994 | EP0593804A1 Illuminated button key |
| 04/27/1994 | EP0593737A1 Dual snubber circuit |
| 04/27/1994 | EP0593628A1 Power mosfet driver with cross-conduction current reduction |
| 04/27/1994 | EP0593588A1 Circuit protection arrangement. |
| 04/27/1994 | CN2163440Y Two line corridor switch without static loss |
| 04/26/1994 | US5307352 Switch matrix multiplexers |
| 04/26/1994 | US5307005 Zero current switching reverse recovery circuit |
| 04/26/1994 | US5306955 Two-wire, electronic switch |
| 04/23/1994 | CA2108873A1 Overload protection for switching transistor |
| 04/21/1994 | DE4334128A1 Inverter voltage source with resonant primary winding output=transformer - has fet controlled switching of resonant transformer primary and null=point detector triggering pulse generator for fet timing control |
| 04/21/1994 | DE4308838C1 Series-controller for satellite tele-command signals system - has coupling circuit maintaining controller in control state even after end of turn-on signal from turn-on device. |
| 04/20/1994 | EP0592888A2 Reliable sensor |
| 04/20/1994 | EP0592804A1 Device for current stabilised control of a plurality of actuators by means of a control computer |
| 04/20/1994 | EP0592696A1 Snubber circuit for an inverter branch |
| 04/20/1994 | CN2162741Y Infrared remote controlled power switch |
| 04/20/1994 | CN2162740Y Remote controlled electric-saving switch with mutual lock |
| 04/20/1994 | CN2162739Y Healthy fan controllor |
| 04/20/1994 | CN2162724Y Road lamp base with simple automatic no-contact switch |
| 04/20/1994 | CN2162716Y Long delayed time two-way time socket |
| 04/20/1994 | CN1085701A Remotely actuated switch and protection circuit |
| 04/20/1994 | CN1085700A A control circuit system for control of parameters in logic circuits or similar |
| 04/20/1994 | CN1085695A Drive circuit for a flyback converter with switching transistors in bridge arrangement |
| 04/19/1994 | US5305259 Power source voltage tracking circuit for stabilization of bit lines |
| 04/19/1994 | US5305257 Semiconductor integrated circuit |
| 04/19/1994 | US5305176 Inductive load drive circuit |
| 04/19/1994 | US5304875 Efficient transistor drive circuit for electrical power converter circuits and the like |
| 04/19/1994 | US5304863 Transformer driver having unlimited duty cycle capability by inserting narrow pulses during unlimited duty cycles |
| 04/19/1994 | US5304853 Multiplexer |
| 04/19/1994 | CA2023958C Capacitive sensing, solid state touch button system |
| 04/14/1994 | DE4334429A1 Pulse generator contg. semiconductor switch and saturable transformer - uses charge transfer between capacitors in sec. circuit having saturable choke in parallel with discharge path |
| 04/14/1994 | DE4334386A1 Overcurrent protection for power semiconductor module - includes current detection electrode, transmitting detector signal w.r.t. main current flow over main current path |
| 04/13/1994 | EP0592302A1 Auxiliary contacts for an electric device |
| 04/13/1994 | EP0591750A2 Method for adjusting the current in a monolithic integrated output driver |
| 04/13/1994 | EP0591561A1 Integrated circuit for generating a reset signal |
| 04/13/1994 | EP0591460A1 Steerable pulse phase controller |
| 04/13/1994 | EP0299088B1 Pre-drive circuit |
| 04/13/1994 | CN2162043Y Touch time-delay switch |
| 04/13/1994 | CN2162042Y Remote-control switch |
| 04/13/1994 | CN2162041Y Infrared remote-control light conditioner |
| 04/13/1994 | CN2162040Y Infrared telecontrol device |
| 04/13/1994 | CN2162039Y 自动步进开关 Automatic step switch |
| 04/13/1994 | CN2162038Y Time delay energy-saving electronic switch |
| 04/13/1994 | CN2162037Y Starting time delay switch |
| 04/13/1994 | CN2162036Y Electronic timer for power supply |
| 04/13/1994 | CN2162035Y Clock-controlled, speed regulation, interrupting controlled electronic time-delay switch |
| 04/13/1994 | CN2162013Y Photosensitive sound-control time-delay lamp holder |
| 04/13/1994 | CN2161981Y Wireless mutual interlocking switch |
| 04/13/1994 | CN1085379A Automatic compensation energy-saving, service life prolonged starter for fluorescent lamp |
| 04/13/1994 | CN1085364A Switching arrangement for a communications channel |
| 04/12/1994 | US5303110 Insulated-gate controlled semiconductor device |
| 04/12/1994 | US5302862 Efficient transformer-coupled gate driver circuit for power FET's |
| 04/12/1994 | US5302861 Power on reset circuit with sharply sloped voltage transfer function |