| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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| 06/04/1993 | WO1993011610A1 Method and apparatus for monitoring operating characteristics of semiconductor electric power switching circuits |
| 06/04/1993 | CA2099671A1 Method and apparatus for monitoring operating characteristics of semiconductor electric power switching circuits |
| 06/03/1993 | DE4139378A1 FET protective circuit against faulty polarisation - has diode incorporated between consumer junction point to DC voltage source and FET gate-terminal |
| 06/03/1993 | DE4138958A1 Control circuit for digital power semiconductor component - has annular ferromagnetic body around insulated control line |
| 06/02/1993 | EP0544483A1 Electric tool with gripping sensors |
| 06/02/1993 | EP0544380A2 An initialization circuit for memory registers |
| 06/02/1993 | EP0544143A2 Integrated comparator circuit |
| 06/02/1993 | EP0543826A1 Process and device for driving an electromagnetic consumer. |
| 06/02/1993 | CN2135224Y Power-saving means for dc low-voltage (50v) bulb |
| 06/02/1993 | CN2135216Y Multi-functional single-channel infrared remote-control switch |
| 06/02/1993 | CN2135215Y Sound-light automatic control switching |
| 06/02/1993 | CN2135214Y High-power time-delay switching |
| 06/02/1993 | CN2135213Y Energy-saving time-delay electronic switching |
| 06/02/1993 | CN2135212Y Timing controller |
| 06/02/1993 | CN2135190Y Time-delay pulling switch for electric lamp |
| 06/01/1993 | US5216411 Cover for an indicator panel with transparent touchpad and display |
| 06/01/1993 | US5216353 DC power device |
| 06/01/1993 | US5216349 Driving circuit for a switching element including an improved power supply arrangement |
| 06/01/1993 | US5216303 Double solid state relay |
| 06/01/1993 | US5216297 Low voltage swing output mos circuit for driving an ecl circuit |
| 06/01/1993 | US5216294 Data output buffer using a junction field effect transistor |
| 06/01/1993 | US5216293 CMOS output buffer with pre-drive circuitry to control slew rate of main drive transistors |
| 06/01/1993 | US5216290 Process of conserving charge and a boosting circuit in a high efficiency output buffer with NMOS output devices |
| 06/01/1993 | US5216289 Asynchronous reset scheme for ultra-low noise port tri-state output driver circuit |
| 06/01/1993 | US5216287 Electronic, preferably zero-contact switch |
| 06/01/1993 | US5216246 Optical safety shutoff for machine cover |
| 05/27/1993 | WO1993010597A2 Symmetric, high speed, voltage switching circuit |
| 05/27/1993 | WO1993010550A1 Light operated switch |
| 05/27/1993 | WO1993009976A1 Vehicle steering wheel |
| 05/27/1993 | DE4137975A1 Lenkrad fuer kraftfahrzeuge Steering wheel for motor vehicles |
| 05/27/1993 | DE4137694A1 Integrated circuit output stage for advanced CMOS logic gate - has bipolar output transistor and delay line formed by several MOSFETs with source-drain terminals connected in parallel |
| 05/27/1993 | CA2123010A1 Vehicle steering wheel |
| 05/26/1993 | EP0543697A1 MOS switch circuit breaker |
| 05/26/1993 | CN2134753Y Sensing electronic insulation switch having time delaying and light regulating function |
| 05/26/1993 | CN2134752Y Energy-saving switch having sound-light dual control |
| 05/26/1993 | CN2134732Y Cut-off protecting switching circuit |
| 05/26/1993 | CN2134731Y Protective means for solid-state relay |
| 05/26/1993 | CN2134712Y Cross-linked timer |
| 05/26/1993 | CN1072544A Versatile induction switch |
| 05/25/1993 | US5214527 Electronically switched multiple-channel optical receiver |
| 05/25/1993 | US5214424 Broadband signal switching equipment |
| 05/25/1993 | US5214388 Phase discriminating capacitive array sensor system |
| 05/25/1993 | US5214340 Driver circuit for piezoelectric element, having voltage limiter capable of charging the element with energy from coil after charging switch is off |
| 05/25/1993 | US5214327 Programmable logic device and storage circuit used therewith |
| 05/25/1993 | US5214322 High voltage cmos power driver |
| 05/25/1993 | US5214320 System and method for reducing ground bounce in integrated circuit output buffers |
| 05/25/1993 | US5214316 Power-on reset circuit device for multi-level power supply sources |
| 05/25/1993 | US5214315 Nanosecond RF switch driver |
| 05/25/1993 | US5214275 Optically controlled microwave switch and signal switching system |
| 05/25/1993 | CA2004589C Switch components and multiple data rate non-blocking switch network utilizing the same |
| 05/25/1993 | CA1318352C Overload protection circuit for solid state switch |
| 05/19/1993 | EP0542480A2 High-speed driver for an LED communication system or the like |
| 05/19/1993 | EP0542460A1 Reverse-bias control circuit for a voltage-drive switching element |
| 05/19/1993 | EP0542227A2 Output buffer circuit |
| 05/19/1993 | EP0542225A2 Voltage control circuit |
| 05/19/1993 | EP0541700A1 Three terminal non-inverting transistor switches |
| 05/19/1993 | EP0439586A4 Switching circuit employing an inductor and igbt devices |
| 05/19/1993 | EP0243499B1 Electronic device having a power supply input circuit in which noise from static electricity is suppressed |
| 05/19/1993 | DE4228276C1 Logic circuit driver stage for TTL or open collector output - pulls up voltage drop across three diodes and base-emitter of npn transistor |
| 05/19/1993 | CN2133991Y Acoustooptic autocontrolled energy-saving switch |
| 05/19/1993 | CN2133990Y Multifunctional electronic pull switch |
| 05/19/1993 | CN2133987Y Remote-controlled touch voltage-regulating switch |
| 05/19/1993 | CN2133934Y Dual-purpose energy-saving switch for off delay of exhaust fan |
| 05/19/1993 | CN2133881Y Counting photocontrol switch |
| 05/19/1993 | CN1020839C Full-automatic energy-saving electronic switch |
| 05/19/1993 | CN1020836C Circuit and method for discharging dc filter capacitors |
| 05/18/1993 | US5212652 Programmable gate array with improved interconnect structure |
| 05/18/1993 | US5212621 Proximity switched machine control method and apparatus |
| 05/18/1993 | US5212619 Method and system for protecting a gate controlled thyristor against unacceptable overvoltage |
| 05/18/1993 | US5212414 Switch with frequency compensation, differential bias operation compensation and enable indicator |
| 05/18/1993 | US5212412 Power on reset circuit having hysteresis inverters |
| 05/18/1993 | US5212408 Ultra fast pin diode switch |
| 05/18/1993 | US5212378 Optical receiver with critical damping resistor |
| 05/13/1993 | WO1993009600A1 Gto thyristor circuit |
| 05/13/1993 | WO1993009599A2 Analog-to-digital converter and method of fabrication |
| 05/13/1993 | DE4237001A1 CMOS logic input buffer threshold circuit e.g. for DRAM or microcomputer IC - has CMOS inverter comprising two series FETs of different conductivity and third FET in parallel having conductivity controlled w.r.t. supply voltage |
| 05/13/1993 | DE4136514A1 Inverter drive circuit for variable speed centrifuge - uses IGBT transistors controlled by gate drive pulse followed immediately by gate discharge pulse |
| 05/13/1993 | CA2094912A1 Gto thyristor circuit |
| 05/12/1993 | EP0541242A1 Low power complementary MOSFET digital signal buffer circuit |
| 05/12/1993 | EP0541140A2 Drive apparatus for a power device |
| 05/12/1993 | EP0540926A1 Protection circuit on a lead of a power device |
| 05/12/1993 | EP0540647A1 Miniaturized switching power supply with programmed level gate drive |
| 05/12/1993 | EP0540516A1 Semiconductor switch |
| 05/12/1993 | CN2133118Y Clock controller for public lamp |
| 05/12/1993 | CN2133116Y Acousto-optic time controller for lighting lamp |
| 05/12/1993 | CN2133115Y Delay electricity-saving lighting switch |
| 05/12/1993 | CN2133114Y Directional doppler effect electric-saving lamp base |
| 05/12/1993 | CN2133047Y Improved delay switch for lighting of high building |
| 05/11/1993 | US5210506 Large swing output buffer amplifier |
| 05/11/1993 | US5210481 Voltage/current characteristics control circuit particularly for protecting power transistors |
| 05/11/1993 | US5210479 Drive circuit for an insulated gate transistor having overcurrent detecting and adjusting circuits |
| 05/11/1993 | US5210475 Current sensing circuit for use with a current controlling device in a power delivery circuit |
| 05/11/1993 | US5210451 Power semiconductor circuit |
| 05/11/1993 | US5210450 Active selectable digital delay circuit |
| 05/11/1993 | US5210449 Edge triggered tri-state output buffer |
| 05/11/1993 | US5209669 Plug-in proximity switch |
| 05/06/1993 | DE4136181A1 Gto-thyristorschaltung Gto thyristor |
| 05/06/1993 | DE4135876A1 Electronic switch, partic. a proximity switch - has sleeve of plastic housing stepped to accommodate mating end cover welded to it which reduces misalignment between housing sections |
| 05/05/1993 | EP0540275A2 A circuit apparatus for driving a magnetic head |
| 05/05/1993 | EP0540187A1 Apparatus for electrically switching between peripheral devices |