Patents
Sitemap › H03 - Basic electronic circuitry › H03K - Pulse technique › H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
04/1989
04/11/1989CA1252522A1 Switching circuit having low speed/power product
04/11/1989CA1252510A1 Electronic contacts and associated devices
04/06/1989DE3832446A1 Device for DC voltage conversion of an input voltage by actuation of at least one electronic switch
04/06/1989DE3832445A1 Device for low-loss switching-load reduction in pulsating operation
04/06/1989DE3832443A1 Device for vehicle control of railway trains
04/06/1989DE3832442A1 Device for operating electric loads of a passenger train
04/06/1989DE3826043A1 Method for trigger pulse control
04/06/1989DE3732079A1 Method and device for operating a bridging circuit for at least one mechanical switching contact within a circuit arrangement which carries out a safety function
04/05/1989EP0310390A2 A latching switch
04/05/1989EP0310383A1 Drive circuit device for inductive load
04/05/1989EP0310287A2 Light emitting diode array
04/05/1989EP0310230A2 Low power optoelectronic device and method
04/05/1989EP0309791A1 Fast control circuit for a semiconductor laser diode
04/05/1989EP0309554A1 Transient noise reduction by premagnetization of parasitic inductance
04/05/1989CN2035549U Remote switch for ac power supply
04/05/1989CN2035548U Automatic lamp cut-off switch
04/05/1989CN2035530U Dual switch for fan working intermittently or timely
04/04/1989US4818988 Crosspoint switching array
04/04/1989US4818904 Power on reset pulse generating circuit sensitive to rise time of the power supply
04/04/1989US4818893 High speed switching circuit
04/04/1989US4818892 Laser device with high-voltage pulse generator, high-voltage pulse generator and pulse generating method
04/04/1989CA1252179A1 Fuel injection solenoid driver circuit
03/1989
03/30/1989DE3818923C1 Manually triggerable, pneumatic-electric switching device
03/30/1989DE3731774A1 Inductive proximity switch having an overload and short-circuit indication (display)
03/30/1989DE3730649A1 Circuit arrangement having at least one series circuit of two transistors
03/30/1989DE3730503A1 DC control circuit
03/29/1989EP0308766A1 Proximity switch with testing and evaluating circuits
03/29/1989EP0308632A2 Ternary signal multiplexing circuit
03/29/1989CN2035159U Explosion-proof electronic switch
03/29/1989CN1031970A Electronic gate receiver
03/28/1989US4816984 Bridge arm with transistors and recovery diodes
03/28/1989US4816963 Apparatus for protecting a transistor in the event of a shorted load condition
03/28/1989US4816960 Railway signalling system
03/28/1989US4816891 Optically controllable static induction thyristor device
03/28/1989US4816705 Bi-CMOS logic circuit
03/28/1989US4816671 Push-button switch with multi-stage action
03/28/1989US4816642 Hot melt adhesive applicator and temperature control circuit therefor
03/23/1989WO1989002528A1 High-voltage switch
03/23/1989WO1989002527A1 High-voltage switch
03/23/1989DE3731017A1 Wiring arrangement for semiconductor power switches, which can be turned off via their control connection, in branch pairs of an invertor
03/23/1989DE3729926A1 CMOS output stage
03/22/1989EP0307911A2 Signal discriminator
03/22/1989EP0307572A2 Multiple phase clock generator
03/22/1989CN2034759U Electricity-saving switch for machine tool lighting lamp
03/21/1989US4815126 Telephone line switch
03/21/1989US4815113 Method for digital slope control of output signals of power amplifiers in semiconductor chips
03/21/1989US4814644 Basic circuitry particularly for construction of multivalued logic systems
03/21/1989US4814634 Ternary signal multiplexor circuit
03/21/1989US4814632 Safety device
03/21/1989US4814600 Electromagnetic radiation circuit element
03/21/1989CA1251573A1 Signal selecting circuit
03/16/1989DE3730113C1 Inductive sensor
03/16/1989DE3725767A1 Switching power end stage mains adaptor - has two series FET(s), with resistor in source electrode line of at least one FET
03/15/1989EP0307323A2 Bipolar-complementary metal oxide semiconductor inverter
03/15/1989CN2034295U Lighting installation of quartz clock controlled by whistle
03/14/1989USRE32888 Apparatus and method for selectively activating plural electrical loads at predetermined relative times
03/14/1989US4813041 Very low power analog multiplexers
03/14/1989US4813020 Semiconductor device
03/14/1989US4812770 Saturable reactor current pulse generator
03/14/1989US4812689 Incremental time delay generator
03/14/1989US4812681 NMOS analog voltage comparator
03/14/1989US4812680 High voltage detecting circuit
03/14/1989US4812679 Power-on reset circuit
03/14/1989US4812674 Safety gate limit switch using Hall effect transducer
03/09/1989WO1989002201A2 High-speed digital data communication system
03/09/1989WO1989002191A1 An incremental time delay generator
03/09/1989WO1989002159A1 Bulk avalanche semiconductor switch using field compression
03/09/1989DE3728485A1 Circuit for connecting and disconnecting signal DC voltages of different polarity as required
03/08/1989EP0305937A1 MOS i/o protection using switched body circuit design
03/08/1989EP0305676A2 CMOS off-chip driver circuit
03/08/1989EP0235156B1 Optical seat switch
03/08/1989CN2033966U Automatic door-controlled lamp with tempotary light
03/08/1989CN2033962U Mini-electronic ac contactor
03/08/1989CN1031632A Isolated analog voltage sense circuit
03/07/1989US4811192 Inverter apparatus
03/07/1989US4811191 CMOS rectifier circuit
03/07/1989US4811155 Protection circuit for a semiconductor integrated circuit having bipolar transistors
03/07/1989US4810969 High speed logic circuit having feedback to prevent current in the output stage
03/07/1989US4810912 Current switch
03/07/1989US4810911 FET switch circuit having small insertion loss and exhibiting stable operation
03/07/1989US4810903 BICMOS driver circuit including submicron on chip voltage source
03/02/1989DE3727996A1 Method and device for suppressing unacceptable attempts to turn off power semiconductors which can be switched off
03/02/1989DE3727579A1 Circuit arrangement having an integrator and a threshold value switch
03/01/1989EP0305344A1 A circuit for the piloting of inductive loads, particularly for operating the electro-injectors of a diesel-cycle internal combustion engine
03/01/1989EP0305342A1 Circuit for controlling inductive loads, particularly for the operation of the electro-injectors of a diesel engine
03/01/1989EP0304951A2 Optical coupler
03/01/1989CN2033560U Electronic cipher switch
03/01/1989CN2033559U Telecontrolled excitation regulator
03/01/1989CN1031456A Touch element for high sensitive electronic touch controller
02/1989
02/28/1989US4809153 Low-inductance bus bar arrangement
02/28/1989US4809122 Self-protective fuel pump driver circuit
02/28/1989US4808943 Switching circuit of amplifier output
02/28/1989US4808861 Integrated circuit to reduce switching noise
02/28/1989US4808860 Filter circuit for a MOS-type integrated device, and an integrated device comprising such a filter circuit
02/28/1989US4808859 Broadband electronic switch
02/28/1989US4808855 Distributed precharge wire-or bus
02/28/1989US4808845 High voltage pulse generating semiconductor circuit with improved driving arrangement
02/28/1989US4808839 Power field effect transistor driver circuit for protection from overvoltages
02/28/1989US4808809 Device for optically detecting the presence or absence of an object on an optical path including a variable I-V characteristic circuit to effect in a positive feedback relationship between the radiation source and the radiation detector
02/28/1989US4808568 Thermal transfer printing
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