| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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| 08/23/1977 | US4044269 Circuit arrangement for a repetition-blocking device |
| 08/23/1977 | US4043110 Electronic timepiece battery-potential detecting circuit |
| 08/16/1977 | US4042844 Power transistor switch |
| 08/16/1977 | US4042843 Voltage level adaption in MOSFET chips |
| 08/16/1977 | US4042841 Selectively powered flip-flop |
| 08/16/1977 | US4042836 Field effect transistor switch |
| 08/16/1977 | US4042833 In-between phase clamping circuit to reduce the effects of positive noise |
| 08/09/1977 | US4041334 Control circuit for actuating a device at a delayed time with respect to the turning on of a power supply and for deactuating the device substantially simultaneously with the turning off of the power supply |
| 08/09/1977 | US4041332 Semiconductor switch device |
| 08/09/1977 | US4041331 Solid state relay circuit |
| 08/09/1977 | US4041330 Selectable eight or twelve digit integrated circuit calculator and conditional gate output signal modification circuit therefor |
| 08/09/1977 | US4041329 Manually selectable switch arrays |
| 08/09/1977 | US4041327 Sense point circuit |
| 08/02/1977 | US4040119 Programmer for magnetic latching relays |
| 08/02/1977 | US4039867 Current switch circuit having an active load |
| 08/02/1977 | US4039866 Thyristor control apparatus |
| 08/02/1977 | US4039865 Semiconductor switch |
| 08/02/1977 | US4039864 Semiconductor bidirectional switch circuit |
| 08/02/1977 | US4039863 Light activated semiconductor switch device |
| 08/02/1977 | US4039855 Solid state relay |
| 07/26/1977 | US4038584 Protective arrangement for dependent switching circuits |
| 07/26/1977 | US4038564 Multi-level voltage selection circuit |
| 07/26/1977 | US4037399 Electronic timepiece battery potential detecting circuitry |
| 07/19/1977 | US4037225 Keyboard encoding system with electronic hysteresis |
| 07/19/1977 | US4037221 Touch controlled switch assembly |
| 07/19/1977 | US4037212 Information processing system |
| 07/19/1977 | US4037146 Output selection control system |
| 07/19/1977 | US4037141 Energy conservation system |
| 07/19/1977 | US4037140 Protection circuit for insulated-gate field-effect transistors (IGFETS) |
| 07/19/1977 | US4037117 Peak shut-off electronic switch |
| 07/12/1977 | US4035794 Radiation suppressed keyboard |
| 07/12/1977 | US4035703 Current circuit arrangement for reducing the switch-on power dissipation of a power transistor |
| 07/12/1977 | US4035669 Operation-delayed switching circuit |
| 07/12/1977 | US4035668 Input-interruption type delayed turn-off control timer |
| 07/12/1977 | US4035637 Fluid actuated light switch |
| 07/05/1977 | US4034238 Field effect transistor information transfer circuit for use in storage register |
| 07/05/1977 | US4034234 Switching module for solid-state keyboard |
| 06/28/1977 | US4032906 Condition sampling and indicating system |
| 06/28/1977 | US4032892 Semiconductor speech channel switch |
| 06/28/1977 | US4032822 Electromagnetic flush control setup in flush toilet |
| 06/21/1977 | US4031432 Solid state switching circuit and method for simulating a relay |
| 06/21/1977 | US4031417 Apparatus for coupling a digital data generator to a digital data readout device with electrical isolation therebetween |
| 06/21/1977 | US4031408 Proximity switching system |
| 06/21/1977 | US4030284 Control device for an electronic wrist watch |
| 06/14/1977 | US4030037 Proximity detecting apparatus |
| 06/14/1977 | US4029996 Apparatus having a protective circuit |
| 06/14/1977 | US4029971 Tri-state logic circuit |
| 06/07/1977 | US4028737 Transient voltage protection circuit |
| 06/07/1977 | US4028696 Double depression magnetic keyswitch |
| 06/07/1977 | US4028672 Rewritable bubble domain decoder |
| 06/07/1977 | US4028564 Compensated monolithic integrated current source |
| 06/07/1977 | US4028561 Fast switching Darlington circuit |
| 06/07/1977 | US4028559 Regenerative repeater circuit arrangement for use in digital data transmission systems |
| 05/31/1977 | US4027306 Touch-responsive circuit and data input terminal using same |
| 05/31/1977 | US4027230 Electronic multi-channel selection switch with common new-selection sensing device |
| 05/31/1977 | US4027195 Voltage switching device comprising a gas discharge panel |
| 05/31/1977 | US4027180 Integrated circuit transistor arrangement having a low charge storage period |
| 05/31/1977 | US4027173 Gate circuit |
| 05/17/1977 | US4024534 Keyboard encoding with repeat key pause |
| 05/17/1977 | US4024457 Hard-firing zero-crossing trigger control circuit |
| 05/17/1977 | US4024437 D.C. power supply circuit |
| 05/17/1977 | US4024415 Detecting device for detecting battery outlet voltage |
| 05/17/1977 | US4024413 Sensalight |
| 05/10/1977 | US4023077 Gating circuit |
| 05/10/1977 | US4023052 Touch control arrangement |
| 05/10/1977 | US4023050 Logic level converter |
| 05/10/1977 | US4023049 GTO switching circuits |
| 05/10/1977 | US4023048 Self-scanning photo-sensitive circuits |
| 05/10/1977 | US4023047 MOS pulse-edge detector circuit |
| 05/10/1977 | US4022296 Signal input devices and systems |
| 05/03/1977 | US4021741 Remote control with reduced responsiveness to interrupted actuating signals |
| 05/03/1977 | US4021728 Magnetic field sensing apparatus for sensing the proximity of a member having high magnetic permeability without requiring an external field source |
| 05/03/1977 | US4021698 Control device for automatically controlling the quantity of light from flash apparatus |
| 05/03/1977 | US4021687 Transistor circuit for deep saturation prevention |
| 05/03/1977 | US4021683 Electronic switching circuits |
| 05/03/1977 | US4021679 Method and apparatus for automatic switching |
| 05/03/1977 | US4021665 Light beam switch housing structure |
| 04/26/1977 | US4020397 Parallel transistor protection circuit |
| 04/26/1977 | US4020365 Integrated field-effect transistor switch |
| 04/26/1977 | US4019607 Signal input devices and systems |
| 04/26/1977 | US4019519 Nerve stimulating device |
| 04/19/1977 | US4019070 Circuit for setting an initial state after connection of a power supply |
| 04/19/1977 | US4019069 Baseband video switch |
| 04/12/1977 | US4017850 Magnetic keyswitch with two-piece support assembly |
| 04/12/1977 | US4017826 Method and apparatus for extending the operating range of a condition monitoring system |
| 04/12/1977 | US4017765 Short circuit protected electronic control system |
| 04/12/1977 | US4017701 Induction heating unit with combined tank circuit and heating coil |
| 04/05/1977 | US4016595 Field effect transistor switching circuit |
| 04/05/1977 | US4016526 Superconductive switch |
| 04/05/1977 | US4016490 Capacitative proximity sensing system |
| 04/05/1977 | US4016482 Pulse energy suppression network |
| 04/05/1977 | US4016459 Protective system for intermittently operating semiconductor switch |
| 04/05/1977 | US4016453 Proximity pad with controlled illumination |
| 04/05/1977 | US4016434 Load gate compensator circuit |
| 04/05/1977 | US4016433 GTO circuits |
| 04/05/1977 | US4016431 Optimal driver for LSI |
| 04/05/1977 | US4016428 Power switching circuit |
| 04/05/1977 | US4016407 Universal modular controller |
| 03/29/1977 | US4015190 Controllable negative resistance electronic switch arrangement |
| 03/29/1977 | US4015185 Semiconductor switching circuit with transistor switching power loss reduction means |