Patents
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
12/1988
12/01/1988DE3716814A1 Device for temperature compensation of semiconductor switches for rotation-speed stabilisation
11/1988
11/30/1988EP0292913A2 Switch device built as an integrated circuit
11/30/1988EP0292804A2 Circuit arrangement for the electrically isolated acquisition of binary signals
11/30/1988CN88203384U Strong pulse trigger for thyratron transistor
11/30/1988CN88203252U Energy saving controller for building illumination
11/30/1988CN88202383U Floating switch
11/30/1988CN88103295A Passive delay circuit
11/30/1988CN88102841A Horizontal deflection circuit for video display monitor
11/29/1988US4788664 For a random access memory
11/29/1988US4788620 Static trip circuit breaker with automatic circuit trimming
11/29/1988US4788462 Power-On-Reset (POR) circuit
11/29/1988US4788460 Circuit arrangement of sense amplifier for rapid evaluation of logic state
11/29/1988US4788458 Two wire interface circuit
11/29/1988US4788457 CMOS row decoder circuit for use in row and column addressing
11/29/1988US4788454 Power-on reset circuit
11/29/1988CA1245731A1 Failsafe decision circuit
11/29/1988CA1245715A1 Multichannel electronic swiching device
11/24/1988DE3810215A1 Electronic time switch
11/24/1988DE3715241A1 Method for evaluating a check-back signal, which depends on the drive angle, of a check-back device and circuit arrangement for carrying out the method
11/23/1988EP0292368A1 Electronic device forming a bi-directional interface for the control of a load-switching power element
11/23/1988EP0292345A2 Electical pulse generator using a saturable inductance
11/23/1988EP0292327A2 Electrostatic breakdown protection circuits
11/23/1988EP0291813A2 MOS-transistor bridge circuit
11/23/1988CN88202072U Separating controller for music rhythm
11/22/1988US4787007 Output driver circuit
11/22/1988US4786827 Antisaturation circuit for integrated PNP transistor with intervention characteristic definable according to a preset function
11/22/1988US4786826 Power interface circuit with control chip powered from power chip
11/22/1988CA1245305A1 Full-duplex one-sided cross-point switch
11/22/1988CA1245303A1 Reflex optoelectronic switching matrix
11/17/1988WO1988009085A1 Clipper circuit for power transistor circuit and inverter circuit utilizing the same
11/17/1988EP0291318A2 Horizontal deflection circuit for video display monitor
11/17/1988EP0291240A2 Semiconductor integrated circuit with reduced power consumption
11/17/1988EP0291191A1 NMOS analog voltage comparator
11/17/1988EP0290776A1 Safety switching device for controlling an electrical appliance
11/17/1988EP0290438A1 Circuit for transmitting values measured at vehicle wheels.
11/17/1988DE3813732A1 Circuit for processing a pseudo oscillation signal, particularly for an inductive proximity sensor
11/17/1988DE3813672A1 Invertor for an inductive load
11/17/1988DE3812733A1 Short-circuit protection circuit
11/17/1988DE3715006A1 Circuit arrangement for receiving analog and/or digital input signals
11/16/1988CN88102200A Scr overcurrent protection in time delayed turn-off circuit
11/16/1988CN88102199A Delay lime-increasing resistor in delayed turn-off circuit
11/16/1988CN87215753U Integrated independent and intermittent timer
11/16/1988CN87215370U Series-connected power supply type self-interrupting switch with electronic time delay
11/16/1988CN87215346U Microcomputer type time-delay device for timing relay
11/15/1988US4785299 Broadband signal space switching apparatus
11/15/1988US4785240 Proximity switch
11/15/1988US4785208 Low-inductance anode-cathode R-C circuit for a gate-turn-off power thyristor
11/15/1988US4785207 Leakage regulator circuit for a field effect transistor
11/15/1988US4785203 Buffer circuit having decreased current consumption
11/10/1988DE3814582A1 Collision sensor
11/10/1988DE3714526A1 Circuit arrrangement for driving Darlington circuits
11/10/1988DE3714175A1 Low-loss circuitry of gate-controlled semi-conductors
11/09/1988EP0290090A2 Switching network
11/09/1988EP0289730A2 Monitoring device for electronic appliances
11/09/1988EP0289678A2 Self-contained disposable timer for use with medication
11/08/1988US4783729 Automatic voltage doubler switch
11/08/1988US4783728 Modular power supply with PLL control
11/08/1988US4783606 Programming circuit for programmable logic array I/O cell
11/08/1988US4783604 Buffer circuit for outputting signals of different polarities
11/08/1988US4783601 Integrated logic circuit having a control circuit for generating a time-dependent waveform
11/03/1988WO1988008643A1 Pre-drive circuit
11/03/1988DE3712998A1 Complementary transistor stage for driving capacitive loads and use thereof
11/02/1988EP0288977A1 Current comparison circuit
11/02/1988EP0288971A2 Monolithic integrated circuit device
11/02/1988EP0288921A2 Inductive proximity switch
11/02/1988EP0288574A1 Apparatus for processing signals of a pulse encoder
11/02/1988CN87210193U Sound-control automatic time-delay switch
11/01/1988US4782520 Pulse receiver circuit providing longitudinal balance
11/01/1988US4782419 Inhibitable static switch for an AC electric circuit including an inductive load
11/01/1988US4782252 Output current control circuit for reducing ground bounce noise
11/01/1988US4782250 CMOS off-chip driver circuits
11/01/1988US4782242 Circuit arrangement for generating high voltage pulses
11/01/1988US4782222 Bulk avalanche semiconductor switch using partial light penetration and inducing field compression
11/01/1988US4781442 Optoelectronic switch with a power threshold and its control process
11/01/1988CA1244098A1 Driver circuit for a three-state gate array using low driving current
10/1988
10/27/1988DE3800102A1 Verfahren und vorrichtung zum verringern von uebergangsrauschen in integrierten schaltungen To reduce method and apparatus of transient noise in integrated circuits
10/26/1988EP0288422A2 Equalization of the distribution of voltage at the switch-off of a series circuit of gate-controlled semiconductors
10/26/1988EP0288421A2 Symmetrisation of currents switched by gate-controlled semiconductors
10/26/1988EP0288075A2 Sub-booster circuit for stepping up an output voltage of main booster circuit
10/26/1988CN87206283U 感应式电子开关 Inductive electronic switch
10/26/1988CN87201720U Multiplex semiconductor time relay
10/25/1988US4780846 Master slice type semiconductor circuit device
10/25/1988US4780788 Two-wire switch with a power transistor
10/25/1988US4780629 Network for processing high-bit-width data comprising a transmitter and a plurality of receivers
10/25/1988US4780622 Apparatus for reducing stresses that initiate restrike of breakers in disconnecting capacitor banks
10/20/1988WO1988008229A1 Transient noise reduction by premagnetization of parasitic inductance
10/20/1988WO1988008228A2 Method and apparatus for reducing transient noise in integrated circuits
10/19/1988EP0287525A2 Transitory current recirculation through a power switching transistor driving an inductive load
10/19/1988EP0287337A2 Programming circuit for programmable logic array I/O cell
10/19/1988EP0287166A2 Initial-current surge limiting circuitry for a switching transistor
10/19/1988EP0287107A2 Position switch for switching electrical aggregates
10/19/1988EP0286881A2 Pulse generator with shielded wiegand wire
10/19/1988EP0286814A2 Addressing device
10/19/1988EP0286808A2 A method and apparatus for reducing and maintaining constant overshoot in a high speed driver
10/19/1988EP0286671A1 Time domain reflectometer
10/18/1988US4779270 Apparatus for reducing and maintaining constant overshoot in a high speed driver
10/18/1988US4779161 Multi-driver integrated circuit
10/18/1988US4779126 Optically triggered lateral thyristor with auxiliary region
10/18/1988US4779013 Slew-rate limited output driver having reduced switching noise
10/18/1988CA1243376A1 Method and apparatus for capacitive keyboard scanning