| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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| 08/29/1978 | US4110749 Touch display to digital encoding system |
| 08/29/1978 | US4110748 Keyswitch with hysteresis |
| 08/29/1978 | US4110678 Electronic monitoring system |
| 08/29/1978 | US4110638 Configuration for reducing the turn-off time of a thyristor |
| 08/29/1978 | CA1037622A1 Multiplexing switch with wide bandpass characteristics and high isolation impedance between inputs |
| 08/29/1978 | CA1037605A1 Driver cell with memory and shift capability |
| 08/29/1978 | CA1037569A1 Switch turn off circuitry for semiconductor bridge |
| 08/29/1978 | CA1037556A1 Driving circuit for printing electromagnet |
| 08/22/1978 | US4109284 Self-scanning photo-sensitive circuits |
| 08/22/1978 | US4109192 Low power reactive drive circuit for capacitive loads |
| 08/22/1978 | US4109169 Avalanche memory triode and logic circuits |
| 08/22/1978 | US4109167 Transistor amplifier applying large output currents to a load |
| 08/22/1978 | US4109166 Clamping circuit |
| 08/15/1978 | US4107772 Chopper control device |
| 08/15/1978 | US4107588 Multiple timing interval integrated circuit structure |
| 08/15/1978 | US4107555 Proximity switch and circuit system |
| 08/15/1978 | US4107554 Data bus arrangement for Josephson tunneling device logic interconnections |
| 08/15/1978 | US4107553 Timer control circuit |
| 08/15/1978 | US4107552 Semiconductor switch |
| 08/15/1978 | US4107551 Thyristor turn-off system |
| 08/15/1978 | US4107474 Bipolar transistor switching network crosspoint |
| 08/15/1978 | US4107472 Semiconductor channel switch |
| 08/15/1978 | CA1036664A1 Solid state alternating current switching device |
| 08/08/1978 | US4105938 Proportional pulse controller |
| 08/08/1978 | US4105928 Sequential control circuit capable of sequencing through a number of stable states in a predetermined order |
| 08/08/1978 | US4105902 Touch sensitive input for electronic wristwatch and/or electronic calculator |
| 08/01/1978 | US4104678 Video switching circuit |
| 08/01/1978 | US4104564 High switching speed high voltage power supply |
| 08/01/1978 | US4104546 Integrated circuit for use with variable voltages |
| 08/01/1978 | US4104541 Automatic electric power switch |
| 07/25/1978 | US4103339 Acoustic surface wave bubble switch |
| 07/25/1978 | US4103252 Capacitive touch-activated transducer system including a plurality of oscillators |
| 07/25/1978 | US4103187 Power-on reset semiconductor integrated circuit |
| 07/25/1978 | US4103186 Low power jfet switch |
| 07/18/1978 | US4101878 Self-cut-off power switch for a remote controlled electronic equipment |
| 07/18/1978 | US4101805 Touch-responsive socket |
| 07/11/1978 | US4100479 Electronic monitoring system with Zener diode to control capacitor charging current |
| 07/04/1978 | US4099176 Magnetic key switch having a removable support assembly |
| 07/04/1978 | US4099074 Touch sensitive electronic switching circuitry for electronic wristwatches |
| 07/04/1978 | US4099071 Monolithic electronic scanning device |
| 06/27/1978 | US4097769 Circuit for controllably providing power from an AC source to a load |
| 06/27/1978 | US4097731 Automatic gain control for photosensing devices |
| 06/20/1978 | US4096400 Inductive load driving amplifier |
| 06/20/1978 | US4096399 Crosspoint bias circuit arrangement |
| 06/13/1978 | US4095179 Locating system to determine the position of movable bodies with respect to a reference |
| 06/13/1978 | US4095128 Push-pull switching circuit with minority carrier storage delay |
| 06/13/1978 | US4095127 Transistor base drive regulator |
| 06/06/1978 | US4094005 Magnetic bubble data transfer switch |
| 06/06/1978 | US4093877 Semi-conductor switching circuit with transistor switching power loss reduction means |
| 06/06/1978 | US4093874 Constant impedance MOSFET switch |
| 05/30/1978 | US4092640 Key input means having a switching element made of a light emitting diode |
| 05/30/1978 | US4092553 Josephson logic circuit powering arrangement |
| 05/30/1978 | US4092551 A.C. powered speed up circuit |
| 05/30/1978 | US4092548 Substrate bias modulation to improve mosfet circuit performance |
| 05/30/1978 | US4091908 Coin checking device for a vending machine |
| 05/23/1978 | US4091368 Method and apparatus to obtain an electrical signal representative of thickness of a traveling filament |
| 05/23/1978 | US4091276 Remote control switching |
| 05/23/1978 | US4091273 Electro-optical switching system |
| 05/16/1978 | US4090229 Capacitive key for keyboard |
| 05/16/1978 | US4090184 Touch controlled switch system operable by touch inputs and coded message signals transmitted over power line |
| 05/16/1978 | US4090140 Constant current charging circuits for high energy modulators |
| 05/16/1978 | US4090124 Circuit arrangement for switching a tuning voltage with low switch offset voltages and temperature compensation |
| 05/16/1978 | US4090096 Timing signal generator circuit |
| 05/16/1978 | US4090092 Shielding arrangement for a capacitive touch switch device |
| 05/16/1978 | US4090091 Housing and control circuit assembly with sensing element |
| 05/09/1978 | US4088905 Self-adjusting compatibility circuit for digital to analog converter |
| 05/09/1978 | US4088904 Capacitive transistorized signaling device |
| 05/02/1978 | US4087848 Thermally self-protected power switching semiconductor device |
| 05/02/1978 | US4087705 High power variable pulse width triggering circuits |
| 05/02/1978 | US4087703 Semiconductor switch device |
| 05/02/1978 | US4087702 Digital electronic dimmer |
| 04/25/1978 | US4086642 Protective circuit and device for metal-oxide-semiconductor field effect transistor and method for fabricating the device |
| 04/25/1978 | US4086570 Controlled DC current supply device with open circuit detecting means |
| 04/25/1978 | US4086502 Sensing circuit |
| 04/25/1978 | US4086397 Electrochemical cell and cathode for same |
| 04/18/1978 | US4085417 JFET switch circuit and structure |
| 04/18/1978 | US4085394 Contactless key switch |
| 04/18/1978 | US4085383 Matrix selection amplifier circuit for low impedance heads in a magnetic disc memory device |
| 04/11/1978 | US4084207 Adjustable overvoltage protected circuit for high power thyristors |
| 04/11/1978 | US4084206 Protection circuit for serially connected thyristors |
| 04/11/1978 | US4084110 Semiconductor switch |
| 04/11/1978 | US4084088 Automatic light switch |
| 04/04/1978 | US4082964 Diode switch |
| 04/04/1978 | US4082961 Light switch with delayed turnoff |
| 04/04/1978 | US4082923 Semiconductor speech path switch |
| 03/28/1978 | US4081793 Device for reading out the charge condition of a phototransistor |
| 03/28/1978 | US4081700 Touch control switch circuit with compensation for power supply line fluctuations |
| 03/21/1978 | US4080538 Method of controlling switching of PNPN semiconductor switching device |
| 03/14/1978 | US4079360 Magnetic field sensing apparatus |
| 03/14/1978 | US4079272 Optically isolated interface circuits |
| 03/14/1978 | US4079271 Alarm driver for a smoke detector |
| 03/14/1978 | US4079267 Modular IC on-delay timer |
| 03/07/1978 | US4078187 Piezoelectric switching device |
| 02/21/1978 | US4075512 Light pipe technique for grid pulsing |
| 02/21/1978 | US4075511 Electronic switches |
| 02/21/1978 | US4075510 Thyristor voltage switching circuits |
| 02/14/1978 | US4074334 Protective device for a power element of an integrated circuit |
| 02/14/1978 | US4074316 Electronic switching signal generator for use in television |
| 02/14/1978 | US4074151 MOS interchip receiver differential amplifiers employing CMOS amplifiers having parallel connected CMOS transistors as feedback shunt impedance paths |
| 02/14/1978 | US4074150 MOS interchip receiver differential amplifiers employing resistor shunt CMOS amplifiers |