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)
07/1991
07/30/1991US5036321 Capacitive sensing, solid state touch button system
07/30/1991US5036233 Integrated semiconductor circuit having a unidirectional semiconductor component for preventing saturation of bipolar transistors
07/30/1991US5036232 Push-pull output stage of integrated circuit providing enhanced high-low voltage level signal transition with ground bounce control
07/30/1991US5036230 CMOS clock-phase synthesizer
07/30/1991US5036229 Low ripple bias voltage generator
07/30/1991US5036227 Row address strobe signal input buffer for preventing latch-up
07/30/1991US5036222 Output buffer circuit with output voltage sensing for reducing switching induced noise
07/30/1991US5036218 Antisaturation circuit
07/30/1991US5036191 Key input apparatus with light-shielding plates and liquid crystal shutter
07/30/1991US5035415 System for detecting the accurate positioning of sheets along a feed path by using capacitors as sensors
07/30/1991CA1287123C Two level differential current switch mesfet logic
07/24/1991EP0438363A1 Current measurement circuit in a MOS power transistor
07/24/1991EP0438228A2 Switching of logic data signals
07/24/1991EP0437740A1 Integrated circuit optoelectronic toggle flip-flop
07/24/1991EP0437605A1 Bi-cmos clock driver with reduced crossover current
07/24/1991CN2081611U Touching wall switch
07/24/1991CN2081610U Multi-functional switch
07/24/1991CN2081609U Shared antenna tv system automatic controller
07/24/1991CN2081608U Double-sound double-breaking remote switch
07/24/1991CN2081607U Non-contact explosion-proof alternating current contactor
07/24/1991CN2081475U Induction music table lamp
07/24/1991CN2081474U Touching table lamp
07/23/1991US5034845 Integrated circuit apparatus including static electricity protection circuit
07/23/1991US5034818 Priority selector for external signals
07/23/1991US5034740 Capacitive card module
07/23/1991US5034729 Vibration monitor for rotating or moving equipment
07/23/1991US5034705 Power up and oscillator circuit using a single capacitor
07/23/1991US5034704 High frequency oscillation type proximity switch
07/23/1991US5034648 Dual direction switch
07/23/1991US5034637 Push-pull output stage of integrated circuit for reducing ground bounce noise
07/23/1991US5034631 TTL compatible output circuit with a high switching speed
07/23/1991US5034629 Output control circuit for reducing through current in CMOS output buffer
07/23/1991US5034628 Fast trailing BIMOS logic gate
07/23/1991US5034621 Inductive proximity switch exhibiting magnetic field immunity
07/23/1991US5034602 Optically activated keyboard for digital system having character back lighting
07/23/1991US5034601 Stable indicator circuit for photoelectric switch using an integrated circuit with reduced interconnections
07/23/1991US5034600 Detection output circuit for a photoelectric switch integrated circuit with reduced interconnections
07/23/1991CA1286806C Fast one out of many differential multiplexer
07/23/1991CA1286745C Proximity sensor with movable head
07/23/1991CA1286736C Voltage controlled oscillator with high speed current switching
07/17/1991EP0437409A1 Operation and control of a power switch
07/17/1991EP0437194A2 Schottky barrier field effect transistor
07/17/1991EP0437108A2 A control circuit for switching current in a load
07/17/1991EP0436823A1 Signal level converter
07/17/1991CN2081175U Auto-controller
07/17/1991CN2081174U Reversible solid-state contactor
07/17/1991CN2081173U Automatic electronic contactless switch for single-phase motor
07/16/1991US5033108 Signal repeater using shared amplification with selectable input/output connections
07/16/1991US5032972 Method and circuit configuration for increasing the efficiency of resonant converter power supply circuits
07/16/1991US5032745 Current sensing of DC or a stepper motor
07/16/1991US5032739 Input selection circuit using a plurality of bidirectional analogue switches
07/12/1991WO1991011054A1 Touch sensing device
07/12/1991CA2073676A1 Touch sensing device
07/11/1991WO1991010280A1 A power inverter snubber circuit
07/10/1991EP0436488A2 Sleep timer for audio/visual apparatus and method of sleep timer operation
07/10/1991EP0436280A1 Integrated circuits with reduced switching noise
07/10/1991EP0220326B1 Input state detection circuit
07/10/1991CN2080729U Electronic time delay self-interrupting switch
07/10/1991CN2080728U Electricity-saving switch
07/10/1991CN2080727U Dc solid-state relay
07/09/1991US5030862 Turn-off circuit for gate turn off SCR
07/09/1991US5030861 Gate circuit having MOS transistors
07/09/1991US5030858 Prevention against noise of digital audio circuit
07/09/1991US5030853 High speed logic and memory family using ring segment buffer
07/09/1991US5030848 Precision voltage divider
07/09/1991US5030847 Pulse-width modulator and driving circuit
07/09/1991US5030845 Power-up pulse generator circuit
07/09/1991US5030844 DC power switch with inrush prevention
07/09/1991US5030822 Synchronous control circuit for a photoelectric switch using an integrated circuit with reduced interconnections
07/09/1991US5030821 Multi-function detection circuit for a photoelectric switch using an integrated circuit with reduced interconnections
07/03/1991EP0435404A2 Differential input bicmos buffer-inverters and gates
07/03/1991EP0435390A2 Half-bridge driver which is insensitive to common mode currents
07/03/1991EP0435389A2 Differential input, differential output BiCMOS multiplexers and logic gates and an adder utilizing the same
07/03/1991EP0435258A2 Multi-level selecting circuit
07/03/1991EP0435047A2 Electrostatic discharge protection for integrated circuits
07/03/1991EP0434963A2 Compensation circuit for very vast current variations
07/03/1991EP0434898A2 Semiconductor integrated circuit
07/03/1991CN2080282U Optical and sound controlled timed switch for low voltage electric apparatus
07/03/1991CN2080268U 声控电子开关 Voice-activated electronic switch
07/03/1991CN2080267U Sound control delay switch pulling line box
07/03/1991CN2080266U Power saving protector of refrigerator
07/02/1991US5029300 Metal detector protected from malfunction caused by radio waves
07/02/1991US5028825 Self-powered SCR gate drive circuit with optical isolation
07/02/1991US5028823 Delay device with intermittent capacitor discharge
07/02/1991US5028817 Tristable output buffer with state transition control
07/02/1991US5028811 Circuit for controlling a power MOS transistor on an inductive load
07/02/1991US5027552 Redundant sensing edge for a door for detecting an object in proximity to the door edge
07/02/1991CA1285619C Human behavior modification apparatus and method
06/1991
06/27/1991WO1991010251A1 Dual current sensing driver circuit
06/27/1991WO1991009467A1 Gate drive for insulated gate device
06/27/1991WO1991009466A1 Auto-delay gain circuit
06/27/1991WO1991009424A1 Power mosfet transistor circuit
06/27/1991WO1991009411A1 Variable power drive circuit
06/27/1991WO1991009320A1 Process and device for testing a hall sensor system
06/27/1991DE3942480A1 Module with leading supply contacts - has time delay circuit between power supply and load activated on plugging in
06/27/1991CA2042389A1 Dual current sensing driver circuit
06/26/1991EP0434380A1 Noise tolerant input buffer
06/26/1991EP0434048A2 Compact high voltage power supply
06/26/1991EP0433966A1 Method and circuiting for driving a plurality of triacs
06/26/1991EP0433514A1 Testable input-output arrangement for transformer-decoupled load
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