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