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)
04/1999
04/21/1999EP0909962A2 Pulse signal generation method and apparatus
04/21/1999CN2315722Y Electric fan controller with remote control displayer
04/21/1999CN2315721Y Movable multipurpose stepless regulating switch
04/21/1999CN2315720Y Multiway switch for capacitor over zero drop cut
04/21/1999CN1214792A Circuit arrangement with plurality of electronic circuit components
04/21/1999CN1214662A Proximity sensor and yarn feeder with proximiary sensor
04/21/1999CN1043106C Circuit for driving half-bridge
04/20/1999US5896284 Switching power supply apparatus with a return circuit that provides a return energy to a load
04/20/1999US5896263 Output circuit having electronic overload protection activated by voltage drop across output transistor
04/20/1999US5896058 High speed totem pole FET driver circuit with differential cross conduction prevention
04/20/1999US5896043 Level shift circuit
04/20/1999US5895441 Learning proximity detector
04/20/1999CA2073397C Power supply switching circuit for a compact portable telephone set
04/15/1999DE19825211A1 Power transistor semiconductor circuit
04/15/1999DE19744918A1 Amplitude limiting circuit for alternating voltage
04/15/1999DE19744848A1 Power transistor switching circuit for high voltage loadings
04/15/1999DE19744791A1 Arrangement for a capacitive keyboard
04/14/1999EP0909033A2 Rectifying transfer gate circuit
04/14/1999EP0909032A2 Capacitive-load driving circuit and recording head driving circuit
04/14/1999EP0908736A2 Circuit for determining the capacity or the capacity change of a capacitive circuit or module
04/14/1999EP0908014A1 Electronic switch
04/14/1999CN1042993C Load driving device
04/13/1999US5894394 Intelligent power switch and switching apparatus
04/13/1999US5894237 Write driver with buffer circuits between pull-up resistors and upper drive transistors
04/08/1999WO1999017448A1 High sensitivity electrical switching circuit
04/08/1999WO1999017447A1 Method for protecting integrated circuit components from over high operating temperatures and protection circuit so designed
04/08/1999DE19743253A1 Verfahren zum Schutz von Schaltungskomponenten einer integrierten Schaltung gegen zu hohe Betriebstemperaturen sowie entsprechend ausgelegte Schutzschaltung A method for protecting circuit components of an integrated circuit against high operating temperatures as well as suitably designed protection circuit
04/08/1999CA2305309A1 High sensitivity electrical switching circuit
04/07/1999CN2313334Y Power-supply control device for display
04/07/1999CN2313333Y Touch-type gradually on-off electronic switch
04/07/1999CN2313332Y Multi-way telecontrol switch
04/07/1999CN1213220A Circuit equipment for reducing interference because cut-in output driver
04/06/1999USRE36179 Switching circuit for selecting an output signal from plural input signals
04/06/1999US5892862 Flexible mirror optical switch
04/06/1999US5892671 Control circuit for a switching transistor using a tapped coil with oppositely wound coil parts
04/06/1999US5892652 Sensitive key device having a detective surface in direct contact with a plate
04/06/1999US5892643 Gate voltage modulation for transistor fault conditions
04/06/1999US5892450 Circuit arrangement for testing the operation of a current monitoring circuit for a power transistor
04/06/1999US5892403 Power interface circuit for a TDMA transmitter
04/06/1999US5892392 Device for setting a bias source at stand-by
04/06/1999US5892389 Method and circuit for current limiting of DC-DC regulators
04/06/1999US5892387 Analog switching circuit device and semiconductor integrated circuit device
04/06/1999US5892379 Transistor protection circuit and method
04/06/1999US5892378 High-side physical interface driver circuit for microcomputer data transmission applications
04/06/1999US5892376 High-speed/high-slew-rate tri-modal all bipolar buffer/switch and method thereof
04/06/1999US5892370 Clock network for field programmable gate array
04/06/1999US5892302 Power switching circuit
04/06/1999US5892296 Circuit for cyclically driving several loads
04/06/1999US5892220 Linearized feedback element for two-beam smart pixel receivers
04/01/1999DE19742169A1 Semiconducting switch e.g. MOS highside power switch
03/1999
03/31/1999EP0905902A2 Constant current cmos output driver circuit with dual gate transistor devices
03/31/1999EP0905901A1 Safety switch
03/31/1999EP0905900A1 Driving circuit for light emitting diode
03/31/1999EP0905899A2 Power switch with overload protection
03/31/1999EP0905898A2 An improved apparatus for current pulse generation in voltage down converters
03/31/1999EP0905873A2 Controlled diode or body diode recovery circuit
03/31/1999EP0905851A1 Protection circuit for an electric pulse supply line in a semiconductor integrated device
03/31/1999EP0905605A2 Power-on detection circuit with very fast detection of power-off
03/31/1999EP0904636A1 Power device with a short-circuit detector
03/31/1999EP0904578A1 Beam shaping system with surface treated lens
03/31/1999EP0904562A1 Optical switching device
03/31/1999EP0886903A4 Power dissipation limiter for high frequency switch
03/31/1999EP0766887B1 Self-illuminating touch activated optical switch
03/31/1999EP0749203B1 Controller for dc motor
03/31/1999EP0733284B1 Power switch protected against overcurrents
03/31/1999EP0719475B1 Driver circuit for bridge circuit employing a bootstrap diode emulator
03/31/1999CN2312542Y Touch controlling type wall switch
03/31/1999CN1212515A Level shift circuit having plural level shift stage stepwise changing potential range without applying large potential difference to component transistors
03/31/1999CN1212512A Driver circuits
03/31/1999CN1212511A Electronic switch
03/31/1999CN1212510A Electronic two-way switching circuit
03/31/1999CN1212508A Pulse output circuit
03/31/1999CN1212507A Improved apparatus for current pulse generation in voltage down converters
03/31/1999CN1212506A Emitter follower circuit having no temperature dependency
03/31/1999CN1212470A Digital switch circuit in MOS technology
03/30/1999US5889663 Circuit for balancing steady-state currents of switching devices in electric power converter
03/30/1999US5889605 Detection device including means for automatically slaving the sensitivity of a pin photodiode
03/30/1999US5889583 Distance measurement and ranging instrument having a light emitting diode-based transmitter
03/30/1999US5889427 Voltage step-up circuit
03/30/1999US5889420 OCD with low output capacitance
03/25/1999WO1999014856A2 Method and device for controlling an integrated power amplifier stage
03/25/1999WO1998058438A3 Integrated complete bridge circuit with four transistors
03/25/1999DE19742019A1 Method of limiting switching over-voltages on power semiconducting switches
03/24/1999EP0903857A1 Pulse output circuit
03/24/1999EP0903856A2 Pulse signal generation method and apparatus
03/24/1999EP0903855A1 High frequency switching device
03/24/1999EP0903853A2 Bus noise reduction circuit using clamping
03/24/1999EP0903014A1 Proximity switches with mechanical decoupling of terminal pins and plug-in unit
03/24/1999EP0903013A2 Integrated bidirectional transistor switch for large signal voltages
03/24/1999CN2311847Y Non-flashy flow and non-arc control switch
03/24/1999CN1212088A Integrated half-bridge timing control circuit
03/24/1999CN1211726A Pyroelectric infrared ray sensor
03/23/1999US5887150 SCSI controller having output driver with slew rate control
03/23/1999US5886564 Temperature compensation circuit for IC chip
03/23/1999US5886563 Interlocked half-bridge circuit
03/23/1999US5886550 Integrated circuit built-in type supply power delay circuit
03/23/1999US5886549 Device to neutralize an electronic circuit when it is being powered or disconnected
03/23/1999US5886545 Priority switching apparatus of input signal
03/23/1999US5886543 Power semiconductor switch having a load open-circuit detection circuit
03/23/1999US5886515 Power semiconductor devices with a temperature sensor circuit
1 ... 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 ... 532