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)
05/1981
05/19/1981CA1101565A1 Semiconductor switch
05/19/1981CA1101564A1 Low crosstalk type switching matrix of monolithic semiconductor device
05/14/1981WO1981001346A1 Magnetic control apparatus
05/13/1981EP0028551A1 Memorizing comparator for regenerating digital electrical signals and digital transmission system using such a comparator
05/13/1981EP0028415A1 Broadband coupling arrangement
05/13/1981EP0028388A1 Electronic puls generator for an electricity counter
05/13/1981EP0028293A1 Complementary transistor emitter follower circuit
05/13/1981EP0028292A1 All-NPN transistor driver and logic circuit
05/12/1981US4267544 Magnetic control apparatus
05/12/1981US4267467 Timer circuit
05/12/1981CA1101083A1 Method and apparatus for driving a transistor operated in saturation
05/12/1981CA1101061A1 Dc series voltage regulator with gating means for output to remain off until regulation level is reached
05/12/1981CA1101040A1 Method for breaking direct current and d.c. breaker for effecting same
05/06/1981EP0028131A1 Electro-mechanical elapsed time recorder
05/06/1981EP0027919A2 Method of making integrated MOS circuits comprising high-voltage MOS transistors, and circuitry for switching power circuits by using such high-voltage MOS transistors
05/06/1981EP0027905A1 Delay signal generating circuit
05/06/1981EP0027888A1 Semiconductor switch
05/06/1981EP0027860A1 Complementary transistor, inverting emitter follower circuit
05/05/1981US4266149 Pulse signal amplifier
05/05/1981US4266148 Fast closing switch system
05/05/1981US4266145 Time dependent master reset
05/05/1981US4266144 Detection means for multiple capacitive sensing devices
04/1981
04/29/1981EP0027495A1 Apparatus for generating a binary output signal of a Hall generator
04/28/1981US4264903 Capacitive touch control and display
04/28/1981US4264831 Touch control switch
04/28/1981US4264830 Switching circuit for high-voltage thyristors
04/28/1981US4264829 MOS Inverter-buffer circuit having a small input capacitance
04/28/1981CA1100220A1 Electromagnetic contactors
04/28/1981CA1100194A1 Self-resetting josephson device circuit
04/21/1981US4263659 Electronic instrument with a flexible keyboard
04/21/1981US4263523 Pulse generator using read head with Wiegand wire
04/16/1981WO1981001084A1 Circuit arrangement for an asynchronous motor drive of controlled stepping
04/15/1981EP0027049A1 Electric switches
04/14/1981US4262222 Interruptable signal generator
04/14/1981US4262218 Signal switch circuit for plural analog signals
04/14/1981US4262213 Universal power module
04/14/1981US4261440 Automatically compensating object detection circuit
04/08/1981EP0026413A1 Circuit arrangement for registering the switching state in a circuit especially constituted by subscriber lines in telephone exchanges
04/08/1981EP0026412A1 Circuit arrangement to avoid the adverse effect of the share of alternating tension during the registration of the switching state in a circuit especially constituted by subscriber lines in telephone exchanges
04/08/1981EP0026326A1 Timing interval generators and method of generation
04/07/1981US4260934 Electric device provided with a switch which is designed as a discharge tube
04/07/1981US4260912 Digital delay generator
04/07/1981US4260911 Temperature compensated switching circuit and method
04/07/1981US4260908 Microelectronic remote switching circuit
04/07/1981US4260907 Power-on-reset circuit with power fail detection
04/07/1981US4259939 Four lead monolithic Darlingtons
04/07/1981CA1098990A1 Shielding arrangement for a capacitive touch switch device
04/07/1981CA1098978A1 Semiconductor switch circuit
04/01/1981EP0026138A1 Electronic device for controlling the ignition coil of an internal-combustion engine and engine comprising such a device
04/01/1981EP0026056A1 Semiconductor integrated circuit protection arrangement
03/1981
03/31/1981US4259600 Integrated insulated-gate field-effect transistor control device
03/31/1981US4259599 Complementary transistor switching circuit
03/25/1981EP0025763A1 Control panel with touch-switches
03/25/1981EP0025660A1 An optical coupling device
03/25/1981EP0025596A1 Pulse generator using read head with Wiegand wire
03/25/1981EP0025502A1 Bistable circuit with current distributing switches
03/25/1981EP0025483A2 Self-switching bidirectional digital line drivers
03/24/1981US4258277 Discriminator circuits
03/24/1981US4258276 Switching circuit for connecting an AC source to a load
03/24/1981US4258274 Double balance type switching circuit
03/24/1981CA1098185A1 Switching device
03/19/1981WO1981000788A1 Molded plastic photo-optical keyboard
03/19/1981WO1981000773A1 Photo-optical keyboard having n-key rollover
03/19/1981WO1981000763A1 Photo-optical keyboard providing tactile feel
03/19/1981WO1981000762A1 Photo-optical keyboard having debris protection
03/18/1981EP0025377A1 Switching device for a memory capacitor, integrator and sampler comprising such a device
03/18/1981EP0025291A1 A semiconductor switch device suitable for a.c. power control
03/18/1981EP0025194A2 Reset circuit for microprocessors
03/18/1981EP0025104A1 Circuit arrangement for generating a resetting signal at the application of constant supply voltage and of two clock voltages
03/18/1981EP0025074A1 Method for turning off a thyristor and semiconductor device for carrying out said method
03/17/1981US4257117 Electronic watch with touch-sensitive keys
03/17/1981US4256982 Electric pulse shaping circuit
03/17/1981US4256980 Electronic switchover circuit
03/17/1981US4256979 Alternating polarity power supply control apparatus
03/17/1981US4256978 Alternating polarity power supply control apparatus
03/17/1981US4256977 Alternating polarity power supply control apparatus
03/11/1981EP0024468A1 Injection-current controlled circuit equipped with Josephson elements and its application to logical circuitries
03/10/1981US4255694 Power amplifier with power monitor circuit
03/10/1981US4255675 Circuit arrangement for reducing the recovery time of a thyristor
03/10/1981CA1097409A1 Electronic solid state switching device
03/03/1981US4254443 Input surge protection for converter circuit
03/03/1981US4254407 Data processing system having optically linked subsystems, including an optical keyboard
03/03/1981US4254347 Power-on reset circuit for monolithic I.C.'s
03/03/1981CA1096957A1 Two-wire proximity detector
02/1981
02/24/1981US4253035 High-speed, low-power, ITL compatible driver for a diode switch
02/24/1981US4252391 Anisotropically pressure-sensitive electroconductive composite sheets and method for the preparation thereof
02/24/1981CA1096474A1 Precision speed switch control
02/24/1981CA1096450A1 Alarm driver for a smoke detector
02/19/1981WO1981000493A1 Optically triggered linear bilateral switch
02/18/1981EP0024027A1 Broadband coupling arrangement in ECL technology
02/18/1981EP0024026A1 Broad-band coupling arrangement
02/18/1981EP0023908A1 Capacitive switching circuit for energizing remote controlled device
02/17/1981US4251848 Electronic accelerator pump timing control
02/17/1981US4251742 Current source, as for switching PIN diodes
02/17/1981US4251737 Dottable active collector driver circuit
02/17/1981US4251723 Opto-electronical switching device, specially for motor vehicles
02/10/1981USRE30514 Thermally self-protected power switching semiconductor device
02/10/1981US4250543 Method of controlling production processes and apparatus therefor
02/10/1981US4250495 Touch sensitive control panel and a method of manufacture thereof
02/10/1981US4250485 Monitoring the operation of a vehicle
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