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