| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
|---|
| 10/15/1980 | EP0016912A1 Switch set for a keyboard |
| 10/15/1980 | EP0016854A1 Electronic timing circuit |
| 10/14/1980 | US4228534 Electronic watch control device for manual actuation |
| 10/14/1980 | US4228447 Submicron channel length MOS inverter with depletion-mode load transistor |
| 10/14/1980 | US4228367 High speed integrated switching circuit for analog signals |
| 10/14/1980 | CA1087695A1 Multi-mode control logic circuit for solid state relays |
| 10/07/1980 | US4227230 Switch mode driver |
| 10/07/1980 | US4227163 Electrical keyswitch |
| 10/07/1980 | US4227098 Solid state relay |
| 10/07/1980 | CA1087245A1 Combining thyristor circuits of various circuit configurations |
| 10/01/1980 | EP0016646A1 AC Solid-state circuit breaker |
| 10/01/1980 | EP0016511A1 Float operated electrical switch assembly |
| 10/01/1980 | EP0015965A1 Device for controlling the closure of folding doors. |
| 09/30/1980 | US4225896 Crest firing means |
| 09/30/1980 | US4225895 Device for closing or interrupting an electric alternating current arising on a line |
| 09/30/1980 | US4225776 Electronic digital time display apparatus |
| 09/30/1980 | US4225748 Switching device, especially for electronic contactless switches, e.g. proximity switches |
| 09/30/1980 | CA1086877A1 Bar graph type touch switch and display device |
| 09/30/1980 | CA1086823A1 Solid-state delay timed switching circuit |
| 09/30/1980 | CA1086822A1 Crest firing means |
| 09/30/1980 | CA1086816A1 Opto-electronic ignition systems |
| 09/23/1980 | US4224634 Externally controlled semiconductor devices with integral thyristor and bridging FET components |
| 09/23/1980 | US4224615 Method of using a liquid crystal display device as a data input device |
| 09/23/1980 | US4224538 Series supervision/parallel actuation device |
| 09/23/1980 | US4224535 Efficient base drive circuit for high current transistors |
| 09/17/1980 | EP0015649A1 Thyristor |
| 09/17/1980 | EP0015497A1 Electrical switch, the actuating side of which can assume several positions |
| 09/17/1980 | EP0015438A1 Function initiating unit with light-touch buttons |
| 09/16/1980 | US4223217 Fiber optic electric switch |
| 09/09/1980 | US4221980 Electrical switching means |
| 09/09/1980 | US4221978 Electronic time switch |
| 09/09/1980 | US4221975 Touch activated controller and method |
| 09/09/1980 | US4221963 Light chopping disc for a pulse generator |
| 09/09/1980 | CA1085468A1 Semiconductor switch |
| 09/02/1980 | US4220877 Temperature compensated switching circuit |
| 09/02/1980 | US4220874 High frequency semiconductor devices |
| 09/02/1980 | CA1085046A1 Circuit arrangement for display boards having luminous elements arranged on a matrix |
| 08/26/1980 | US4219861 Protector circuit for solenoid operator |
| 08/26/1980 | US4219743 Buffer circuit |
| 08/26/1980 | US4219740 Proximity sensing system and inductance measuring technique |
| 08/21/1980 | WO1980001643A1 Capacitive switching circuit for energizing remote controlled device |
| 08/20/1980 | EP0014351A2 Monolithically integratable NAND-gate |
| 08/19/1980 | US4218626 Electromagnetic relay |
| 08/19/1980 | US4218618 Apparatus for switching high voltage pulses with picosecond accuracy |
| 08/19/1980 | CA1084125A2 Solid state relay |
| 08/19/1980 | CA1084124A1 Solid state relay |
| 08/12/1980 | US4217618 Thyristor firing circuit module with integral optical isolation, dv/dt limitation, and bidirectional voltage transient suppression |
| 08/12/1980 | US4217528 Apparatus for preventing malfunction in a circuit controlling an electrical component maintaining a residual voltage after removal of energization |
| 08/12/1980 | US4217504 Semiconductor switch with thyristors |
| 08/12/1980 | CA1083668A1 Compensated base drive circuit to regulate saturated transistor current gain |
| 08/12/1980 | CA1083667A1 Two terminal circuitry for voltage limitation |
| 08/12/1980 | CA1083489A1 Touch button switch for dictation handset |
| 08/06/1980 | EP0013710A1 Push-pull driver, the output of which may be directly connected to the outputs of other drivers |
| 08/05/1980 | US4216458 Solid state switch |
| 08/05/1980 | US4216379 Low voltage bias circuit for a photo-diode |
| 07/29/1980 | US4215279 Apparatus for controlling the operation of power transistors in a switching mode |
| 07/29/1980 | US4215272 Timer circuit with multiple time delay outputs |
| 07/29/1980 | US4215268 Circuits primarily intended for use in desoldering tools |
| 07/29/1980 | CA1082767A1 Charging and discharging circuit |
| 07/23/1980 | EP0013597A1 Signal switching apparatus |
| 07/23/1980 | EP0013279A1 Touch switch assembly |
| 07/22/1980 | US4214299 Frequency-voltage converter |
| 07/15/1980 | US4213103 Circuit for detecting and controlling simultaneous conduction of two switches connected in series |
| 07/15/1980 | US4213068 Transistor saturation control |
| 07/15/1980 | US4213067 Integrated gate turn-off device with non-regenerative power portion and lateral regenerative portion having split emission path |
| 07/15/1980 | US4213066 Solid state switch |
| 07/15/1980 | US4213061 Electronically actuated electric switch |
| 07/15/1980 | CA1081817A1 Touch control switch circuit with compensation for power supply line fluctuations |
| 07/15/1980 | CA1081805A1 Matrix selection amplifier circuit for low impedance heads in a magnetic disc memory device |
| 07/15/1980 | CA1081803A1 Optimal driver for lsi |
| 07/09/1980 | EP0012919A1 Circuit arrangement for reducing the recovery time of a thyristor |
| 07/09/1980 | EP0012792A1 Josephson-contacts digital current amplifier |
| 07/08/1980 | US4211959 Touch-control adapter for electric lamps |
| 07/08/1980 | US4211935 Electronic pressure switch |
| 07/08/1980 | US4211934 Current-measuring input for an electronic relay |
| 07/08/1980 | US4211923 Fluid tight ultrasonically welded photoelectric device |
| 07/08/1980 | US4211467 Optically-controlled two-channel integrated optical switch |
| 07/08/1980 | CA1081323A1 Dv/dt protection for solid state switches |
| 07/08/1980 | CA1081307A1 Electric device provided with a switch which is designed as a discharge tube |
| 07/01/1980 | US4210921 Polarity switch incorporating Josephson devices |
| 07/01/1980 | US4210829 Power up circuit with high noise immunity |
| 07/01/1980 | US4210826 Switching circuit |
| 07/01/1980 | US4210822 Touch control switch |
| 07/01/1980 | CA1080808A1 Radio receiver blanker gate |
| 06/26/1980 | WO1980001347A1 Control circuitry for gated diode switches |
| 06/26/1980 | WO1980001346A1 High power amplifier/switch using gated diode switch |
| 06/25/1980 | EP0012547A1 Conduction limit protection arrangement for power transistor switch |
| 06/25/1980 | EP0012264A1 Data transducing apparatus |
| 06/24/1980 | US4209819 Capacitive keyswitch |
| 06/24/1980 | US4209713 Semiconductor integrated circuit device in which difficulties caused by parasitic transistors are eliminated |
| 06/24/1980 | US4208868 Control device for a step-by-step motor |
| 06/17/1980 | US4208695 Proximity detector |
| 06/17/1980 | US4208594 Power monitor for use in starting and stopping a digital electronic system |
| 06/17/1980 | US4207792 Tri-state encoding circuit for electronic musical instrument |
| 06/17/1980 | CA1079821A1 Fail-safe electronic time delay circuit |
| 06/17/1980 | CA1079817A1 Data bus arrangement for josephson tunneling device logic interconnections |
| 06/17/1980 | CA1079804A1 Voltage sequencing circuit for sequencing voltage to an electrical device |
| 06/11/1980 | EP0012044A1 Electronic touch switch and a channel selector comprising such a switch |
| 06/11/1980 | EP0011647A1 Delay circuit |
| 06/10/1980 | US4207584 Safety device for protecting semiconductor components against excessive voltage rise rates |