Patents
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
03/1976
03/09/1976US3943430 Circuitry for reducing thyristor turn-off times
03/09/1976US3943419 Protective device for at least one thyristor
03/09/1976US3943415 Timing circuit
03/09/1976US3943385 Time switch circuit having a switch-back time delay
03/09/1976US3943381 Pulse generating apparatus having a chattering pulse elimination circuit
03/02/1976US3942094 Commutation circuit and applications thereof
03/02/1976US3942040 Semiconductor speech path switch circuitry
03/02/1976US3942039 Distortionless FET switching circuit
03/02/1976US3942036 Brake force control system for vehicles especially motor vehicles
03/02/1976US3941975 Glass panel circuit breaker
02/1976
02/24/1976US3940758 Expandable keyboard for electronic pocket calculators and the like
02/24/1976US3940637 Polymeric piezoelectric key actuated device
02/24/1976US3940634 Solid state AC power relay
02/24/1976US3940633 GTO turn-off circuit providing turn-off gate current pulse proportional to anode current
02/17/1976US3939384 Electric timer switch
02/17/1976US3939372 Contact-free pulse generators
02/17/1976US3939358 Plural load lighting assembly energizable through two input terminals
02/17/1976US3938602 Slicing system with automatic portion weight control
02/10/1976US3938032 Gate pulse power supply for static alternating current switch
02/10/1976US3938010 Controllable electrical switch
02/10/1976US3938008 Common bus driver complementary protect circuit
02/10/1976US3937989 Temperature discrimination apparatus
02/10/1976US3937987 Threshold detector
02/10/1976US3937952 Keyboard and switches for keyboards
02/03/1976US3936801 Multifrequency signal receiver timing circuit
02/03/1976US3936755 Proximity switch circuit
02/03/1976US3936706 Control circuit
02/03/1976US3936705 Monitor circuit
02/03/1976US3936677 Supercurrent device for controlling mobile flux vortices
01/1976
01/27/1976US3935542 Contactless oscillator-type proximity sensor with constant-voltage impedance
01/27/1976US3935485 Piezoelectric key board switch
01/27/1976US3935482 Electronic switching circuit with zero voltage switching
01/27/1976US3935481 Field effect transistor switch with electrect for control
01/27/1976US3934514 Firing devices and processes
01/27/1976US3934346 Sporting shoes
01/20/1976US3934248 Alphanumeric display means for computer-linked typewriter consoles using a plurality of planar gaseous discharge means within a unitary envelope containing an ionizable gas
01/20/1976US3934247 Alphanumeric display means for computer-linked typewriter consoles using a matrix array of light-emitting diodes (led's)
01/20/1976US3934246 Alphanumeric display means for computer-linked typewriter consoles using light-emitting diodes (LED's) in conjunction with sets of fiber-optic matrix members
01/20/1976US3934245 Alphanumeric display means for computer-linked typewriter consoles
01/20/1976US3934244 Alphanumeric display means for computer-linked typewriter consoles using fluorescent luminescent alphanumeric indicating means
01/20/1976US3934243 Alphanumeric display means for computer-linked typewriter consoles using a plurality of gaseous glow indicator tube means containing an ionizable gas
01/20/1976US3934242 Alphanumeric display means for computer-linked typewriter consoles using a matrix array of liquid-crystal devices
01/20/1976US3934240 Timer for telephone toll calls and the like
01/20/1976US3934178 Device for generating a signal for a predetermined interval after a power switch is opened
01/20/1976US3934159 Semiconductor circuit devices using insulated gate-type field effect elements having protective diodes
01/13/1976US3932803 Electronic monitoring system including contactless motion detector
01/13/1976US3932774 Electronic monitoring system with short-circuit protection
01/13/1976US3932773 Control system for periodically energizing a capacitive load
01/13/1976US3932770 Control circuit for switching triacs
01/13/1976US3932769 Circuit arrangement for producing a defined logic condition, particularly for the monitoring signal output in data processing equipment
01/13/1976US3932764 Transfer switch and transient eliminator system and method
01/06/1976US3931610 Capacitive keyswitch sensor and method
01/06/1976US3931568 Efficient biasing scheme for microwave diodes
01/06/1976US3931550 Electronic latching relay control
01/06/1976US3931549 Control circuit for electromagnetic transducer
01/06/1976US3931530 Apparatus for controlling the supply of power to a resistive load
01/06/1976US3931514 Optical switching system
01/06/1976US3931475 Electronic switches and switch networks