| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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| 05/05/1993 | EP0540160A2 High-speed switching tree with input sampling pulses of constant frequency and means for varying the effective sampling rate |
| 05/05/1993 | EP0539754A2 Semiconductor logical device |
| 05/05/1993 | EP0539593A1 Semiconductor device and built-in power circuit |
| 05/05/1993 | CN2132374Y 高可靠性一体化光电控制器 High reliability integrated photoelectric controller |
| 05/05/1993 | CN2132372Y Automatic control switch for night lamp |
| 05/05/1993 | CN2132345Y Integrated module voltage relay |
| 05/05/1993 | CN2132344Y Multifunctional electronic energy-saving switch |
| 05/05/1993 | CN2132186Y Domestic electric meter energy saving device |
| 05/05/1993 | CN1071792A Universal silicon control switch with multiple driving types |
| 05/04/1993 | US5208516 Touch controlled electric light socket with high current tolerance |
| 05/04/1993 | US5208495 Static power switch incorporating semi-conductor |
| 05/04/1993 | US5208492 Output buffer user-programmable to function as cmos output driver or open-drain output driver |
| 05/04/1993 | CA1317345C Low power high voltage driver circuit |
| 04/29/1993 | WO1993008539A1 Electro-optical scanning system |
| 04/29/1993 | DE4135381A1 Level sensor with set of Hall sensors - activates sensors contained in non-magnetic tube using float with mounted magnet |
| 04/29/1993 | DE4135258A1 Fast power diode with low-loss soft recovery - has two portions with breakthrough losses and switching losses decoupled from each other and separately optimised |
| 04/28/1993 | EP0539301A1 Coupling device of an external power supply to an aircraft on the ground |
| 04/28/1993 | EP0539230A2 High speed, low power high common mode range voltage mode differential driver circuit |
| 04/28/1993 | EP0538851A2 Power converter |
| 04/28/1993 | EP0538618A2 An H-shaped bridge circuit with protection against crossover conduction during the reversal of the current in the load |
| 04/28/1993 | EP0538614A2 Switching branch with free-wheel diode apparatus |
| 04/28/1993 | EP0538502A1 Control device with a safe reset function |
| 04/28/1993 | EP0314808B1 Clipper circuit for power transistor circuit and inverter circuit utilizing the same |
| 04/28/1993 | CN2131257Y Remote-controlled multiple-way switch |
| 04/28/1993 | CN2131256Y 多普勒自动开关 Doppler automatic switch |
| 04/28/1993 | CN2131255Y Multifunctional microcomputer timing controller |
| 04/28/1993 | CN2131254Y 自动定时开关 Automatic time switch |
| 04/28/1993 | CN2131251Y Multifunctional electricity-saving speed-regulator for ceiling fans |
| 04/28/1993 | CN2131201Y 时间继电器 Time Relay |
| 04/27/1993 | US5206544 CMOS off-chip driver with reduced signal swing and reduced power supply disturbance |
| 04/27/1993 | US5206543 Broadband sampling gate circuit capable of eliminating waveform distortions in track hold mode |
| 04/27/1993 | US5206540 Transformer isolated drive circuit |
| 04/27/1993 | CA1317013C Commutation grid |
| 04/21/1993 | EP0537977A2 Thyristor ignition circuit |
| 04/21/1993 | EP0537970A2 Output circuit with buffer |
| 04/21/1993 | EP0537935A2 Voltage regulator circuit |
| 04/21/1993 | EP0537747A2 Oscillator circuit and proximity switch using it |
| 04/21/1993 | EP0537459A1 An electric, RF noise-attenuating filter for power supply control devices |
| 04/21/1993 | CN2130306Y Sound-control anti-interference switch |
| 04/21/1993 | CN2130305Y Multi-functional electronic tele-controller of lighting |
| 04/21/1993 | CN2130292Y Lamp cap switched by claping one's hands |
| 04/21/1993 | CN2130235Y Desk lamp with remote control |
| 04/20/1993 | US5204982 Method and apparatus for digital switching of fm signals with reduced crosstalk |
| 04/20/1993 | US5204588 Quantum phase interference transistor |
| 04/20/1993 | US5204563 Mosfet output circuit with improved protection method |
| 04/20/1993 | US5204562 Turn off delay reduction circuit and method |
| 04/20/1993 | US5204561 Gate control circuit for mos transistor |
| 04/20/1993 | US5204558 Output buffer circuit and method of operation thereof with reduced power consumption |
| 04/20/1993 | US5204554 Partial isolation of power rails for output buffer circuits |
| 04/20/1993 | US5204551 Method and apparatus for high power pulse modulation |
| 04/20/1993 | US5204550 Output stage having reduced current consumption |
| 04/20/1993 | US5204541 Gated thyristor and process for its simultaneous fabrication with high- and low-voltage semiconductor devices |
| 04/20/1993 | US5204504 High-frequency heating apparatus including ringing effect suppressor for switching element |
| 04/20/1993 | US5203867 Method for generating power-up pulse |
| 04/20/1993 | CA1316582C Signal discriminator |
| 04/18/1993 | CA2080546A1 Personal-care apparatus comprising a capacitive on/off switch |
| 04/17/1993 | CA2080642A1 Low power complementary mosfet digital signal buffer circuit |
| 04/15/1993 | DE4133837A1 Sensor for detecting movement of machine part - has row of ferromagnetic teeth detected by Hall sensor with evaluation circuit contg. operational amplifier, comparator and end stage generating control signal |
| 04/14/1993 | EP0536627A2 Bus driver circuit |
| 04/14/1993 | EP0536536A1 A low voltage swing output MOS circuit for driving an ECL circuit |
| 04/14/1993 | CN2130012Y Programable time relay |
| 04/13/1993 | US5202820 Saturable inductor protection circuit for inductive load driver |
| 04/13/1993 | US5202800 Coil switching device |
| 04/13/1993 | US5202619 Control circuit for a switching transistor |
| 04/13/1993 | US5202589 Apparatus for detecting the condition of switches in one transmission line |
| 04/13/1993 | US5202559 Ball-and-socket switch for detecting and signalling selectable inclination directions of a base plane |
| 04/08/1993 | DE4232426A1 Circuit for inductive distance measurement of metal part - has oscillator with parallel resonance circuit, inverting amplifier, demodulator and comparator |
| 04/08/1993 | DE4133029A1 Control circuit for switching transistors - uses oscillation or resonance circuit for switching transistor energising |
| 04/08/1993 | DE4132707A1 Superconducting switch - has load current carrying superconductive area with discontinuities forming microwave resonator which amplifies control current |
| 04/08/1993 | DE3051217C2 IC engine electronic ignition circuit |
| 04/07/1993 | EP0536094A2 Null consumption, nonvolatile programmable switch |
| 04/07/1993 | EP0535907A2 Self-calibrating variable pressure touch key system employing transducers subject to parameter drift |
| 04/07/1993 | EP0535873A1 Selectable edge rate cmos output buffer circuit |
| 04/07/1993 | EP0535797A2 Insulated gate enhancement mode field effect transistor with slew-rate control on drain output |
| 04/07/1993 | CN2129500Y Remote timed switch for tunnel lighting |
| 04/07/1993 | CN2129465Y Multi-purpose circular time household electric appliance power saving controller |
| 04/07/1993 | CN1070777A Interval timing circuit |
| 04/07/1993 | CN1070775A Digitally remote-controlled in telligent regulator of power supply |
| 04/06/1993 | US5200879 Drive circuit for voltage driven type semiconductor device |
| 04/06/1993 | US5200878 Drive circuit for current sense igbt |
| 04/06/1993 | US5200608 Photo-interrupter operating on wide-ranged power voltage with a constant current means |
| 04/01/1993 | WO1993006657A1 Update synchronizer |
| 04/01/1993 | WO1993006572A1 Proximity detection system and oscillator, and method of using same |
| 04/01/1993 | WO1993006559A1 Universal interconnect matrix array |
| 04/01/1993 | WO1993006544A1 Method and apparatus for clock skew reduction through absolute delay regulation |
| 04/01/1993 | WO1993006497A1 Method and apparatus for complete functional testing of a complex signal path of a semiconductor chip |
| 04/01/1993 | DE4221625C1 Electrical switch suitable for motor vehicle e.g. throttle flap or steering column - has Hall component and ferromagnetic shield assigned to housing base and cover |
| 04/01/1993 | DE4132393A1 Sensor equipment for rail contact - has compactor halting input of clock pulses to counter when voltage from counter resistor network reaches certain value |
| 04/01/1993 | DE4132392A1 Sensor equipment for rail contact - compares output of pulse counter network with oscillator output with comparator circuit conveyed to processor |
| 04/01/1993 | DE4132036A1 Electric control for audio and light signals and - has flat, metal ground sensors, each coupled to oscillator of specified frequency |
| 04/01/1993 | DE4130981A1 Timer circuit operating method for integrated circuit without test pin connection - externally selecting test mode and adjusting state of time to shorten time taken to reach end state |
| 03/31/1993 | EP0534924A1 Dynamic power-on reset circuit |
| 03/31/1993 | EP0534866A1 Low-loss static switch |
| 03/31/1993 | EP0534719A2 Integrated circuit having reduced electromagnetic emissions |
| 03/31/1993 | EP0534680A1 Pin diode driver circuit with DC bias terminal and timing delay circuit for high power HF input protection of radar low-noise amplifier |
| 03/31/1993 | EP0534638A1 Low jitter clock phase adjust system |
| 03/31/1993 | EP0534575A2 Voltage source amplifier |
| 03/31/1993 | EP0534116A1 Circuit for controlling a power MOS transistor |
| 03/31/1993 | EP0534013A1 Low-loss resonant circuit for capacitance driver |
| 03/31/1993 | EP0533971A1 Interface circuit |