Patents
Sitemap › H03 - Basic electronic circuitry › H03K - Pulse technique › H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
10/1985
10/01/1985US4544854 Analog switch structure having low leakage current
10/01/1985US4544257 Automatic exposure control for a camera shutter
09/1985
09/26/1985WO1985004295A1 Arrangement for keyboards
09/25/1985EP0155305A1 Emitter collector coupled logic.
09/25/1985EP0048758B1 Field effect transistor circuit configuration
09/24/1985US4543566 Electronic monitoring system with malfunction indicator
09/24/1985US4543564 Interference suppression apparatus for a capacitive keyboard
09/24/1985US4543497 Electronic monitoring system with selective signal inversion
09/24/1985US4543495 Diode bridge switching circuit with high attenuation
09/24/1985US4543494 MOS type output driver circuit having a protective circuit
09/24/1985US4542905 Game with an electromagnetic ball detector
09/24/1985CA1194182A1 Low profile keyboard switch
09/18/1985EP0155117A2 Voltage detecting device
09/18/1985EP0155113A2 Voltage level detection circuit
09/18/1985EP0155076A1 Circuit breakers for direct and alternating current
09/18/1985EP0155059A2 Circuit arrangement for switching the current in an inductive load
09/17/1985US4542379 Circuit for driving a display device
09/17/1985US4542331 Low-impedance voltage reference
09/17/1985US4542310 CMOS bootstrapped pull up circuit
09/17/1985US4542305 Impedance buffer with reduced settling time
09/17/1985US4542300 High frequency signal switching device
09/17/1985US4541389 Current regulator for an electromagnetic load utilized in conjunction with an internal combustion engine
09/17/1985CA1193735A1 Switchable analogue signal inverter
09/11/1985EP0154608A2 Solid state relay for space and avionic applications
09/11/1985EP0154370A1 Integrated logic buffer circuit
09/11/1985EP0154062A1 Power switching circuit
09/10/1985US4540933 Circuit for simultaneous cut-off of two series connected high voltage power switches
09/10/1985US4540899 Hammer drive circuit using power MOSFETs
09/10/1985US4540895 Device having thyristors connected in series
09/10/1985US4540894 Peak turn-on current limiting base drive
09/10/1985US4540893 Controlled switching of non-regenerative power semiconductors
09/10/1985CA1193343A1 Electronic safety for sliding window motor
09/03/1985US4539712 Delay circuit
09/03/1985US4539554 Analog integrated circuit pressure sensor
09/03/1985US4539492 Darlington transistor circuit
09/03/1985US4539480 For interconnecting two operationally interrelated subcircuits
09/03/1985CA1192968A1 Cmos circuit using transmission line interconnections
09/03/1985CA1192966A1 Constant current source for field contact input
09/03/1985CA1192965A1 Laser functional device
08/1985
08/29/1985WO1985003820A1 Method for scanning a keyboard with capacitive keys and keyboard provided with means for scanning a keyboard according to this method
08/29/1985WO1985003819A1 Monolithically integrated thermal shut-down circuit including a well regulated current source
08/29/1985WO1985003818A1 Current limit technique for multiple-emitter vertical power transistor
08/28/1985EP0153208A1 Series-connected power-transistors
08/28/1985EP0152735A1 Spender actuated by direct current by way of a capacitive proximity switch
08/28/1985EP0152578A2 Time delay switch-off arrangement
08/28/1985EP0152550A2 Method and device for controlling the conducting state of a GTO thyristor
08/27/1985US4538078 Base drive circuit controller
08/27/1985US4538075 High speed referenceless bipolar logic gate with minimum input current
08/27/1985US4538074 Power switch
08/27/1985CA1192625A1 Delay circuit with intrinsic safety
08/27/1985CA1192610A1 Pulse shaping and amplifying circuit
08/21/1985EP0151875A2 Gate circuit device
08/21/1985EP0151856A2 Power on-off control circuit
08/20/1985US4536816 Thyristor apparatus employing light-triggered thyristors
08/20/1985US4536709 Detecting device having spaced transmitting and receiving coils for detecting a metal strip embedded in paper money
08/20/1985US4536693 High-speed capacitor discharge circuit suitable for the protection of detonation devices
08/20/1985US4536667 In a power supply circuit
08/20/1985US4536662 Bidirectional constant current driving circuit
08/15/1985WO1985003605A1 Process for making capacitive keyboards and new keyboards obtained thereby
08/14/1985EP0151199A1 Electrical conversion recovery system
08/13/1985US4535465 Low power clock generator circuit
08/13/1985US4535400 Means and method for simultaneously triggering series SCR's
08/13/1985US4535360 Low power wideband switching array element
08/13/1985US4535254 Touch-operated power control device
08/13/1985US4535251 A.C. Solid state relay circuit and structure
08/13/1985US4534668 Photoelectric keyboard
08/13/1985CA1191969A1 Solid-state relay
08/07/1985EP0151022A2 Manual input apparatus for providing inputs to data handling apparatus
08/07/1985EP0150898A2 Novel pillared interlayered clays, processes for their production and uses thereof
08/07/1985EP0150897A2 Novel layered clays, process for their production and uses thereof
08/07/1985EP0150717A2 Boosted clock driver circuit
08/07/1985EP0150633A2 Driver system for a A.C. plasma panel
08/07/1985EP0150492A2 Current regulator for electromagnetic actuator
08/07/1985EP0150481A2 High current CMOS output driver circuit
08/07/1985EP0150480A2 Power-on reset pulse generator
08/07/1985EP0150421A1 Capacitance-variation-sensitive touch sensing array system
08/07/1985EP0150366A2 Circuit arrangement to minimise the effect of parasitic transistor function elements in bipolar integrated semi-conductor circuits
08/07/1985EP0150316A2 Clock generator
08/06/1985US4533972 Electronic switching device having reduced power consumption
08/06/1985US4533845 Current limit technique for multiple-emitter vertical power transistor
08/06/1985US4533840 Soliton sampler
08/06/1985US4533839 Current limiting circuit for high current peripheral drivers
08/06/1985US4533838 Diode driver circuit having stored charge control means
08/06/1985US4533837 Keyboard-equipped apparatus such as an electronic calculator with battery throw means for enabling a power supply circuit
08/01/1985WO1985003374A1 Touch controlled display device
07/1985
07/30/1985US4532466 Constant current source for field contact input
07/30/1985US4532443 Parallel MOSFET power switch circuit
07/30/1985US4532441 Output stage for a temperature-compensated integrated E.C.L. circuit
07/30/1985US4532433 Switching circuit which is self-biased in one mode of operation
07/30/1985US4531287 Automatically operating electric shaver
07/30/1985EP0070873A4 Driver circuit for use with inductive loads or the like.
07/30/1985CA1191253A1 Signal sampling gate circuit
07/24/1985EP0149275A1 Digital integrated circuit comprising complementary field effect transistors
07/24/1985EP0149123A2 Opto-electronic proximity sensor
07/24/1985EP0149075A2 AC transient driver for memory cells
07/24/1985EP0149065A2 A protection clamp circuit for use in a monolithic circuit which inhibits current transients
07/23/1985US4531173 Protective power foldback circuit for a power semiconductor
07/23/1985US4531143 Laser activated MTOS microwave device
07/23/1985US4531065 Current injection type logical operation circuit arrangement including a I2 L circuit device comprising I2 L elements
07/18/1985WO1985003175A1 Zener referenced threshold detector with hysteresis
1 ... 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 ... 532