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)
11/1983
11/16/1983EP0093804A1 Electronic circuit for the ignition of a detonator
11/15/1983US4415945 Detector apparatus of the two-terminal type supplied with rectified A.C. power the voltage of which can vary in a wide range, with load control by switching thyristors
11/15/1983US4415894 Switching circuitry for load control utilizing MOS-FETs
11/15/1983US4415815 Electronic switch
11/15/1983US4415231 Radiation shutter, especially for a laser
11/15/1983CA1157151A1 Superconductive latch circuit
11/15/1983CA1157136A1 Light-activated p-i-n switch
11/15/1983CA1157130A1 Moving object detecting apparatus
11/15/1983CA1157127A1 Remote load selector
11/15/1983CA1157092A1 Alternating polarity power supply control apparatus
11/09/1983EP0093565A2 Touch sensing device
11/09/1983EP0093120A1 Touch-operated power control device
11/08/1983US4414599 Arrester and a semiconductor circuit arrangement with a protection device including the same
11/08/1983US4414479 Low dissipation snubber for switching power transistors
11/08/1983US4414478 Electronic switching device
11/02/1983EP0093018A2 Contacless relay
11/02/1983EP0092711A1 Electronic switching device, preferably operating without making contact
11/02/1983EP0092710A1 Electronic switching device, preferably operating without making contact
11/01/1983US4413252 Capacitive switch and panel
11/01/1983US4413193 Optically coupled solid state relay
11/01/1983US4413192 Transistor firing circuit
11/01/1983US4413190 Automatic control device
11/01/1983US4412798 Mold clear detector
11/01/1983US4412754 Space bar for low profile keyboards
11/01/1983US4412481 Coffee maker
11/01/1983CA1156308A1 Timed switch for an ac load
10/1983
10/27/1983WO1983003725A1 Contact-free keyboard
10/27/1983WO1983003724A1 Control circuit for an integrated device
10/27/1983WO1983003691A1 Electric switch device with an actuator key comprising a non-galvanically coupled indicator display
10/26/1983EP0092518A2 Key element
10/26/1983EP0092514A1 Control circuit for a semiconductor element
10/26/1983EP0092156A2 An input interface circuit for a logic device
10/26/1983EP0092145A2 Transistor circuit
10/25/1983US4412336 Storage comparator, for regenerating digital electric signals and digital transmission system using such a comparator
10/25/1983US4412268 Safety switch system for industrial machines
10/25/1983US4412210 Electronic calculator with acoustic confirmation of key actuation and acoustical alarms
10/25/1983US4412209 RC Array
10/25/1983US4412142 Integrated circuit incorporating low voltage and high voltage semiconductor devices
10/25/1983US4412141 Three state loop keyer
10/25/1983US4412140 Circuit for reducing current to light emitting diode of optically coupled driver
10/25/1983US4412138 Pulse generator circuit
10/25/1983CA1155963A1 Scan-controlled keyboard
10/25/1983CA1155933A1 Programmable timing circuit
10/19/1983EP0091648A1 Energizing circuit for magnetic valves
10/18/1983USRE31423 Magnetic domain detector
10/18/1983US4410926 Arrangement for generating DC magnetic fields of alternating polarity for the magnetic-inductive flow measurement
10/18/1983US4410903 High frequency modulation; increased output currents and bandwidths; indium phosphide and indium gallium arsenide
10/18/1983US4410858 Electronic circuit including a current mirror circuit
10/18/1983US4410855 Electronic analog switching device
10/18/1983US4410843 Electrically controlled sliding window and proximity detector
10/18/1983US4410839 Apparatus for controlling power consumption in lighting loads and the like
10/18/1983US4410814 Signal buffer circuit in an integrated circuit for applying an output signal to a connecting terminal thereof
10/18/1983US4410810 High speed transistor switching circuit
10/18/1983US4410809 Static induction transistor gate driving circuit
10/18/1983US4410808 Electrical circuit for driving a plurality of inductive loads
10/18/1983US4410794 Switching system for cyclic supply of electrical power to a plurality of loads
10/18/1983US4410234 Timing pulse generator for scanning apparatus
10/18/1983US4409897 Apparatus & method for selectively activating plural electrical loads at predetermined relative times
10/13/1983WO1983003386A1 Optical keyboard with common light transmission members
10/12/1983EP0091332A1 Fail-safe timing circuit
10/12/1983EP0091265A1 Input circuit with plurality of channels
10/12/1983EP0091229A2 Electronic switching circuit for use in magnetic head drives
10/12/1983EP0091204A2 Driver circuits for recording heads
10/12/1983EP0091119A2 Monolithic semiconductor integrated A.C. switch circuit
10/11/1983US4409683 Programmable multiplexer
10/11/1983US4409501 Power-on reset circuit
10/11/1983US4409498 Transient controlled current switch
10/11/1983US4409494 Reset circuit for data latches
10/11/1983CA1155195A1 Proximity sensing system and inductance measuring technique
10/11/1983CA1155187A1 Control circuitry using two branch circuits for high- voltage solid-state switches
10/11/1983CA1155185A1 Vital electronic time delay circuit
10/11/1983CA1155172A1 Foolproof electric switch incorporating hall effect devices
10/05/1983EP0090662A2 Boosting circuit
10/05/1983EP0090421A2 Logic circuit
10/05/1983EP0090280A2 Semiconductor integrated circuit device and method of making the same
10/05/1983EP0090255A2 Tristate driver circuit
10/05/1983EP0090220A1 Superconducting squid circuit
10/05/1983EP0090182A1 Proximity adjustment means
10/05/1983EP0090058A1 Transistor circuit for switching the printing current in a metal paper printer and for automatically reducing the printing current after spark ignition
10/04/1983US4408308 Sound actuated light switch
10/04/1983US4408252 Low profile keyboard switch
10/04/1983US4408137 Break-before-make solid state relay
10/04/1983US4408135 Multi-level signal generating circuit
10/04/1983US4408131 Optically isolated solid state relay
10/04/1983US4407588 Electronic oscillation counting timer
09/1983
09/29/1983WO1983003312A1 Single plane optical membrane switch and keyboard
09/28/1983EP0039674B1 Magnetic control apparatus
09/27/1983US4406303 Gate valve with position indicator
09/27/1983CA1154500A1 Vital contact isolation circuit
09/21/1983EP0089241A1 Non-polarized contactless relay
09/21/1983EP0089237A2 Single plane optical membrane switch and keyboard
09/21/1983EP0088769A1 Inductive load driver protection circuits having minimal power dissipation
09/20/1983USRE31391 Voltage and current regulator with automatic switchover
09/20/1983US4405918 Current sensing of capacitive keyboard arrays
09/20/1983US4405917 Matrix screening and grounding arrangement and method
09/20/1983US4405871 CMOS Reset circuit
09/20/1983US4405197 Optical fiber tactile sensor
09/20/1983CA1154172A1 Semiconductor switching device
09/20/1983CA1154160A1 Bidirectional deflector driver for video disc
09/20/1983CA1154105A1 Switched delay line for steerable null antenna system
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