Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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02/24/1999 | CN1209243A Telephone equipment protection circuit |
02/24/1999 | CN1209242A Telephone switch hook interface circuit |
02/24/1999 | CN1209228A Voltage controlled crystal oscillator and loop filter |
02/24/1999 | CN1209209A Fault detection and modification circuit |
02/24/1999 | CN1208857A Semiconductor device |
02/23/1999 | US5875188 High speed switch |
02/23/1999 | US5874853 Semiconductor integrated circuit system |
02/23/1999 | US5874851 Semiconductor integrated circuit having controllable threshold level |
02/23/1999 | US5874847 Charge pump circuit for controlling a pair of drive transistors |
02/23/1999 | US5874844 Schmitt trigger circuit with an adjustable trigger voltage |
02/23/1999 | US5874843 Power-on reset circuit without an RC Network |
02/23/1999 | US5874836 High reliability I/O stacked fets |
02/18/1999 | DE19751651C1 Circuit for switching an inductive load |
02/18/1999 | DE19735543A1 Load switching circuit according to input signal in car systems |
02/18/1999 | DE19735541A1 Circuit for turning off MOSFET end stage e.g. Power-Mos |
02/18/1999 | DE19735476A1 Switching system for automobile electrical device with optical display |
02/18/1999 | DE19733006A1 Multiple limit switches |
02/17/1999 | EP0897219A2 Snubber circuit arrangement against power dissipation of power semiconductor switches in DC-choppers |
02/17/1999 | EP0896757A1 Device including a thermally protected switching transistor |
02/17/1999 | EP0896678A1 Displacement-current sensor and method for determining three-dimensional position, orientation and mass distribution |
02/17/1999 | EP0846277B1 Functional control device for photoelectric barriers |
02/17/1999 | CN1042183C Electric power converter |
02/16/1999 | US5872706 Circuit arrangement for multiple use of a transformer core |
02/16/1999 | US5872528 Multichannel coder of single-channel structure |
02/16/1999 | US5872507 Process for non-contact distance measurement |
02/16/1999 | US5872478 SCR firing circuit for high voltage control applications |
02/16/1999 | US5872477 Multiplexer with CMOS break-before-make circuit |
02/16/1999 | US5872476 Level converter circuit generating a plurality of positive/negative voltages |
02/16/1999 | US5872474 Waveform shaping circuit |
02/16/1999 | US5872369 Solid-state antenna switch and field-effect transistor |
02/11/1999 | DE19740697C1 Power output stage control method for vehicle fuel injection or ignition |
02/11/1999 | DE19728333A1 Power control method for electrical heater, e.g. throughflow heater |
02/10/1999 | EP0896268A1 An integrated device for switching systems with filtered reference quantities |
02/10/1999 | EP0895671A1 Static relay with condition detecting |
02/10/1999 | EP0895670A1 Low current drain switch interface circuit |
02/10/1999 | CN2307406Y AC and DC universal wide voltage proximity switch |
02/10/1999 | CN2307405Y DC two-wire system proximity switch |
02/10/1999 | CN2307404Y 多功能开关 Multifunction switch |
02/10/1999 | CN1207599A Long service life approach switch with automatic overload protection function |
02/10/1999 | CN1042067C Unit of semiconductor IC |
02/10/1999 | CN1042062C Detection system with receptor and process for implementation of device to verify functioning of this detection system |
02/09/1999 | US5870346 VLSI memory circuit |
02/09/1999 | US5870345 For an integrated circuit device |
02/09/1999 | US5870340 Multiplexer |
02/09/1999 | US5870266 Bridge control circuit and method |
02/09/1999 | US5870219 Ultra compact scanning system for a wide range of speeds, angles and field depth |
02/09/1999 | US5870045 Digital to analog converter circuit |
02/09/1999 | US5870034 Compact computing device having a compressible keyboard |
02/09/1999 | US5870028 Input expansion for crosspoint switch module |
02/09/1999 | US5869988 High speed write driver for inductive heads |
02/09/1999 | US5869984 Output buffer circuit utilizing FETS for lowering output resistance of a circuit block |
02/09/1999 | US5869842 Mux and demux circuits using photo gate transistor |
02/09/1999 | US5869791 Method and apparatus for a touch sensing device having a thin film insulation layer about the periphery of each sensing element |
02/09/1999 | US5867940 Powered sliding device for a vehicle sliding door |
02/04/1999 | WO1999005791A1 Signal clamping circuit with level shifting and error detection for multiple inputs |
02/04/1999 | DE19732910A1 Load control circuit |
02/03/1999 | EP0895362A1 Electrical circuit for the detection of the state of a switching arrangement |
02/03/1999 | EP0895357A1 PWM awitching poweroutput stage for controlling and regulating inductive loads |
02/03/1999 | EP0895289A2 Digital circuit in MOS Technology |
02/03/1999 | EP0894349A1 Method and apparatus for eliminating reflected energy due to stage mismatch in nonlinear magnetic compression module |
02/03/1999 | EP0843913A4 Appliance ac power control apparatus |
02/03/1999 | CN2306613Y Solid-state hold relay |
02/03/1999 | CN1206963A Device for limiting switch thyristor holding current |
02/03/1999 | CN1206962A Multiplexer |
02/03/1999 | CN1206961A High-voltage quick switching circuit for current variable flow control |
02/03/1999 | CN1206960A Method and device for controlling switch thyristor |
02/03/1999 | CN1041984C Pulse width modulated dc-to-dc boost converter |
02/02/1999 | US5867334 Magnetic recording device and method using a push-pull amplifier structure and shaping driver circuit |
02/02/1999 | US5867235 Assembling construction of a display apparatus and assembling method therefor |
02/02/1999 | US5867111 Touch control system |
02/02/1999 | US5867047 Bandgap reference based power-on detect circuit including a suppression circuit |
02/02/1999 | US5867042 Switch for minimizing transistor exposure to high voltage |
02/02/1999 | US5867014 Current sense circuit having multiple pilot and reference transistors |
02/02/1999 | US5866958 Power control device for redundant reset outputs in an ATM system and method of power control thereof |
02/02/1999 | US5866957 Switching device |
01/28/1999 | WO1999004493A1 Electronic analog switch |
01/28/1999 | DE19815249A1 Sensor activated switch for lights or other electrical devices |
01/28/1999 | CA2296403A1 Electronic analog switch |
01/27/1999 | EP0893884A2 Method and device for controlling a gate turn-off thyristor |
01/27/1999 | EP0893883A2 Device for limiting the hold current of a gate turn-off thyristor |
01/27/1999 | EP0893882A2 High frequency switch device, front end unit and transceiver |
01/27/1999 | EP0893867A2 Resettable overcurrent protective circuit |
01/27/1999 | EP0660982B1 Driving circuit for a gate turn-off thyristor |
01/27/1999 | CN2305808Y Electronic time-delay switch |
01/26/1999 | US5864247 Voltage detection circuit, power-on/off reset circuit, and semiconductor device |
01/26/1999 | US5864245 Output circuit with overvoltage protection |
01/26/1999 | US5864128 Method for scanning a bar code target |
01/26/1999 | US5863194 Interrogation of multiple switch conditions |
01/24/1999 | CA2243776A1 Apparatus for limiting the holding current of a gate turn-off thyristor |
01/21/1999 | WO1999003219A1 Wake-up circuit for an electronic apparatus |
01/21/1999 | WO1999003218A1 Data reception circuit for infrared signals |
01/21/1999 | WO1999003206A1 Output stage with slewing control means |
01/21/1999 | WO1999003205A1 Circuit arrangement, in particular for triggering an ignition end stage |
01/21/1999 | WO1999003203A1 Timing circuit |
01/21/1999 | WO1999002871A1 Proximity switch which can be inserted in a t-slot, or fixing element for the same |
01/21/1999 | DE19816791A1 Schaltungsanordnung, insbesondere zum Ansteuern einer Zündendstufe Circuit arrangement, in particular for controlling an ignition |
01/21/1999 | DE19742167C1 Drive circuit for power MOSFET |
01/21/1999 | DE19737628C1 Smart-switch open-load diagnosis method e.g. for controlled power supply in motor vehicle |
01/21/1999 | DE19726765A1 Circuit arrangement with power semiconductor components especially IGBT |
01/21/1999 | DE19725835A1 Integrierte Vollbrückenschaltung mit vier Transistoren Integrated full-bridge circuit with four transistors |