Patents
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
09/1999
09/09/1999DE19808428A1 Signal emitter for separate of slide fastener two parts
09/08/1999EP0940030A1 Opsistor image processor
09/08/1999EP0940008A1 Amplifier with controllable output current
09/08/1999EP0719476B1 Buffer protection against output-node voltage excursions
09/07/1999US5949825 For reducing noise on a signal
09/07/1999US5949665 Soft start pulse width modulation integrated circuit
09/07/1999US5949273 Short circuit protection for parallel connected devices
09/07/1999US5949271 Bootstrap circuit suitable for buffer circuit or shift register circuit
09/07/1999US5949270 Circuit and method of compensating for threshold value of transistor used in semiconductor circuit
09/07/1999US5949268 Variable delay circuit for varying delay time and pulse width
09/07/1999US5949259 Zero-delay slew-rate controlled output buffer
09/07/1999US5949249 Driver having inductance-controlled current slew rate
09/07/1999US5949202 Distributed power supply for high frequency PWM motor controller with IGBT switching transistors
09/07/1999US5949158 Method and arrangement for controlling the output of electrical consumers connected to an AC line voltage
09/07/1999US5949085 Ratiometric compensated optical isolation coupler
09/07/1999US5949064 Opsistor image processor with a reference detector and a reference image
09/02/1999WO1999044277A1 A boosting circuit with supply-dependent gain
09/02/1999DE19808153A1 Functional unit with proximity switch for industrial applications
09/02/1999DE19808072A1 Optoelectronic inclination switch for bicycle alarm or for controlling object horizontal position
09/01/1999CN2336519Y Dualpurpose infrared remote-controlled mouse
09/01/1999CN2336518Y Non-contact switch of three-phase AC
08/1999
08/31/1999US5946208 Power converter
08/31/1999US5946178 Protective circuit for series-connected power semiconductors
08/31/1999US5946175 Secondary ESD/EOS protection circuit
08/31/1999US5945868 Power semiconductor device and method for increasing turn-on time of the power semiconductor device
08/31/1999US5945867 Switch circuit device
08/31/1999US5945823 Pin electronics card having ringing preventive circuit for removing noise in an electronics transmission path of a semiconductor testing apparatus
08/26/1999WO1999043075A1 Impedance angle control method
08/26/1999DE19816058A1 Sensor component for inductive proximity switch
08/25/1999EP0937329A1 Apparatus for controlling ac supply switches
08/25/1999EP0787379A4 Power-on reset circuit
08/25/1999CN2335310Y Low-voltage electronic switch controlled foods working machine
08/25/1999CN2335309Y DC electronic contactless contactor
08/25/1999CN2335244Y Multiplex dividing type two-purpose switch
08/25/1999CN1227015A Programmable switch, adjustable capacitance and resonant circuit effected by means of such switch
08/25/1999CN1227011A Power converter wherein MOS gate semiconductor device is used
08/24/1999US5943516 Camera with a warning system of inappropriate camera holding
08/24/1999US5943224 Post regulator with energy recovery snubber and power supply employing the same
08/24/1999US5943223 Power conversion circuit
08/24/1999US5943205 Driver and overload protection circuit
08/24/1999US5942925 Power-on detection and enabling circuit with very fast detection of power-off
08/24/1999US5942923 Low-voltage output driving circuit having pull-up transistor with comparator controlled gate
08/24/1999US5942886 Power device with a short-circuit detector
08/24/1999US5942812 Proximity detector with a stable current source
08/19/1999WO1999041835A1 Solid-state relay
08/19/1999WO1999041632A1 Improved photovoltaic generator circuit
08/19/1999DE19805959A1 Sensor switching device for domestic electrical appliance, such as electric oven
08/19/1999DE19805750A1 Electronic inductive proximity switch
08/19/1999DE19805098A1 Schaltungsanordnung Circuitry
08/18/1999EP0936741A1 Inductive proximity switch with a one-piece housing
08/18/1999EP0936740A1 Inductive proximity switch
08/18/1999EP0936739A1 Inductive proximity switch
08/18/1999EP0936738A1 Inductive proximity switch with one-piece housing
08/18/1999EP0936525A1 Diode circuit with ideal diode characteristic curve
08/18/1999EP0740822A4 Metal detection system
08/18/1999CN1044756C Short circuit limiting protector
08/17/1999US5940485 Data interface connected in line between a keyboard and a keyboard port of a personal computer
08/17/1999US5940421 Current reversal prevention circuit for a pulsed gas discharge laser
08/17/1999US5939937 Constant current CMOS output driver circuit with dual gate transistor devices
08/17/1999US5939936 Switchable N-well biasing technique for improved dynamic range and speed performance of analog data bus
08/17/1999US5939932 High-output voltage generating circuit for channel breakdown prevention
08/17/1999US5939931 Driving circuit having differential and H-bridge circuits for low voltage power source
08/17/1999US5939930 Interconnect structure for FPGA using a multiplexer
08/17/1999US5939927 Device for providing pulsed power output to a defibrillator
08/17/1999US5939926 Integrated circuit output driver for differential transmission lines
08/17/1999US5939921 Drive circuit for a field-effect-controlled semiconductor component which opens a switch when a predetermined current is exceeded
08/17/1999US5939909 Driver circuit having preslewing circuitry for improved slew rate control
08/17/1999US5939908 Dual FET driver circuit
08/17/1999US5939907 Low power, high speed driving circuit for driving switching elements
08/17/1999US5938728 Apparatus and method for selectively controlling clocking and resetting of a network interface
08/17/1999CA2260650A1 Inductive proximity switch
08/17/1999CA2202545C Switching power supply system and process
08/13/1999CA2260764A1 Inductive proximity switch with a one-piece housing
08/12/1999WO1999040681A1 Circuit configuration
08/12/1999DE19803305A1 Closure sensor for detecting open-closed state of door or window
08/11/1999EP0935345A2 Differential switching circuitry
08/11/1999EP0935344A2 Snubber arrangement
08/11/1999EP0935290A2 Power semiconductor device and method
08/11/1999EP0770281B1 Power supply apparatus comprising an improved limiter circuit
08/11/1999EP0759234B1 Switch with controlled rise and fall characteristics
08/11/1999CN2333122Y Video segregating unit
08/11/1999CN1225751A Two-frequency switch, device using two-frequency antenna in common and mobile radio communication equipment
08/10/1999US5936988 High pulse rate pulse power system
08/10/1999US5936521 Electric candle
08/10/1999US5936456 Output driver circuit in semiconductor device
08/10/1999US5936454 Lateral bipolar transistor operating with independent base and gate biasing
08/10/1999US5936453 Circuit arrangement for controlling a pulse output stage
08/10/1999US5936447 Power-up input bias circuit and method
08/10/1999US5936444 Zero power power-on reset circuit
08/10/1999US5936443 Power-on reset signal generator for semiconductor device
08/10/1999US5936440 Inductive load driving apparatus
08/10/1999US5936439 Switching device with a power FET and an inductive load
08/10/1999US5936436 Substrate potential detecting circuit
08/10/1999US5936412 Method for resolving presence, orientation and activity in a defined space
08/10/1999US5936390 Control circuit
08/10/1999US5936231 Photoelectric sensor circuit comprising an auxiliary photodiode and a current mirror circuit
08/10/1999US5935203 Rectifying transfer gate circuit
08/05/1999WO1999039436A1 Piezoelectric keyboard
08/05/1999WO1999039435A1 Circuit for driving a switching transistor
08/05/1999DE19832565A1 Transmitter-receiver selection switching module used in portable telephone