Patents for G05F 3 - Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties (12,739) |
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04/08/1997 | US5619450 Drive circuit for flash memory with improved erasability |
04/08/1997 | US5619166 Active filtering method and apparatus |
04/08/1997 | US5619164 Pseudo ground line voltage regulator |
04/08/1997 | US5619163 Bandgap voltage reference and method for providing same |
04/08/1997 | US5619160 Control circuit for setting a bias source at partial stand-by |
04/08/1997 | US5619125 Voltage-to-current converter |
04/08/1997 | US5619124 Reference voltage generator in a semiconductor integrated device |
04/08/1997 | US5619123 Power supply circuit for non-threshold logic circuit |
04/08/1997 | US5619115 Charging and discharging integration circuit for alternately charging and discharging a capacitor |
04/03/1997 | DE4345312C2 Voltage supply circuit for semiconductor device |
04/02/1997 | EP0766163A2 Circuit for generating a bias voltage |
04/01/1997 | US5617064 Active resistor for stability compensation |
04/01/1997 | US5617057 Pass transistor voltage control circuit |
04/01/1997 | US5617056 Base current compensation circuit |
04/01/1997 | US5617049 Pulse signal generator and redundancy selection signal generator |
04/01/1997 | US5617017 Output circuit |
03/25/1997 | US5614867 Current follower with zero input impedance |
03/25/1997 | US5614850 Current sensing circuit and method |
03/25/1997 | US5614816 Low voltage reference circuit and method of operation |
03/25/1997 | US5614815 Constant voltage supplying circuit |
03/19/1997 | EP0763790A2 Level shifter capable of stably producing a level shifted voltage |
03/18/1997 | US5612645 Dynamic MOSFET threshold voltage controller |
03/18/1997 | US5612614 Current mirror and self-starting reference current generator |
03/18/1997 | US5612613 Reference voltage generation circuit |
03/18/1997 | US5612611 Switching regulator with dyssymetrical differential input stage |
03/12/1997 | EP0762635A2 Current driving circuit with shoot-through regulation |
03/12/1997 | EP0762259A1 Bias circuit for setting the average level of an alternating voltage |
03/11/1997 | US5610550 Intermediate potential generator stably providing an internal voltage precisely held at a predeterminded intermediate potential level with reduced current consumption |
03/11/1997 | US5610506 Voltage reference circuit |
03/11/1997 | US5610486 Current mirror circuit used in a coil driver circuit of a brushless DC motor |
03/06/1997 | DE19635909A1 Sequential feedback control system for electronic ballast |
03/05/1997 | EP0760555A1 Current generator circuit having a wide frequency response |
03/05/1997 | CN1144582A Signal-receiving and signal-processing unit |
03/04/1997 | US5608670 Flash memory with improved erasability and its circuitry |
03/04/1997 | US5608348 Binary programmable current mirror |
03/04/1997 | US5608314 Incremental output current generation circuit |
02/26/1997 | EP0759588A2 Circuit arrangement for delivering a constant current |
02/26/1997 | EP0759229A1 Low distortion differential transconductor output current mirror |
02/26/1997 | EP0759228A1 Continuous time programmable analog block architecture |
02/26/1997 | EP0759226A1 Active resistor for stability compensation |
02/19/1997 | EP0758499A1 Method and apparatus for providing an ultra low power regulated negative charge pump |
02/18/1997 | US5604428 Device for generating intermediate voltages |
02/18/1997 | US5604427 Current reference circuit using PTAT and inverse PTAT subcircuits |
02/18/1997 | US5604425 Power limiting regulator |
02/13/1997 | WO1997005696A1 Fully differential output cmos power amplifier |
02/13/1997 | WO1997005537A1 Circuitry for supplying the base bias voltage of current source transistors in bipolar ic circuits |
02/13/1997 | CA2228387A1 Circuit arrangement for supplying the base bias voltage of current source transistors in bipolar ic circuits |
02/13/1997 | CA2201367A1 Fully differential output cmos power amplifier |
02/12/1997 | EP0758108A2 Current mirror arrangement |
02/11/1997 | US5602495 Apparatus for providing an output voltage with substantially identical rising and falling characteristics |
02/11/1997 | US5602466 Dual output temperature compensated voltage reference |
02/11/1997 | US5602464 Bidirectional power converter modules, and power system using paralleled modules |
02/06/1997 | WO1997004373A1 A voltage reference arrangement, a voltameter, a battery voltage detection arrangement, and a wireless communication device |
02/06/1997 | WO1997004326A1 A circuit provided with facilities for iddq-testing of a bias generator |
02/04/1997 | US5600235 Bipolar cascadable circuit configuration for signal limitation and field intensity detection |
01/29/1997 | EP0756223A1 Reference voltage and/or current generator in integrated circuit |
01/29/1997 | EP0756221A2 Method and apparatus for controlling the tension in circuits for transport vehicles |
01/29/1997 | EP0756220A1 Charge pump circuit with improved features |
01/29/1997 | CN1141698A Signal-receiving and signal-processing unit |
01/28/1997 | US5598122 Voltage reference circuit having a threshold voltage shift |
01/28/1997 | US5598095 Switchable current source for digital-to-analog converter (DAC) |
01/28/1997 | US5598094 Current mirror |
01/23/1997 | WO1997002517A1 Multi-stage current feedback amplifier |
01/21/1997 | US5596297 Output driver circuitry with limited output high voltage |
01/21/1997 | US5596265 Band gap voltage compensation circuit |
01/16/1997 | WO1997001810A1 Circuit arrangement for current transformation |
01/16/1997 | DE19523329A1 Schaltungsanordnung zur Stromtransformation Circuit arrangement for current transformation |
01/15/1997 | EP0753239A1 Mos circuit with dynamically reduced threshold voltage, as for use in an output buffer of a hearing aid amplifier |
01/15/1997 | EP0753217A1 Signal-receiving and signal-processing unit |
01/14/1997 | US5594390 Reduced area, first order R-C filters using current conveyors |
01/14/1997 | US5594382 Constant voltage circuit |
01/14/1997 | US5594326 Sub-rail voltage regulator with low stand-by current and high load current |
01/07/1997 | US5592419 Flash memory with improved erasability and its circuitry |
01/07/1997 | US5592119 Half power supply voltage generating circuit for a semiconductor device |
01/07/1997 | US5592076 Base current supply circuit for multiple current sources |
01/07/1997 | US5592010 Semiconductor device |
01/02/1997 | EP0751451A1 Reference voltage generator, having a double slope temperature characteristic, for a voltage regulator of an automotive alternator |
12/31/1996 | US5589794 Dynamically controlled voltage reference circuit |
12/31/1996 | US5589792 Resistor programmable temperature switch |
12/27/1996 | EP0750244A1 Negative voltage generating charge pump circuit |
12/24/1996 | US5587655 Constant current circuit |
12/24/1996 | US5586908 Safety unit for an electric 3-phase circuit |
12/19/1996 | WO1996041247A1 Circuit and method for regulating a voltage |
12/19/1996 | WO1996041138A1 Light source with adjustable wavelength for an oximeter |
12/19/1996 | CA2637855A1 Optical sensor including information element |
12/18/1996 | EP0748535A1 Improved supply voltage detection circuit |
12/17/1996 | US5585765 Low power RC oscillator using a low voltage bias circuit |
12/17/1996 | US5585712 Current source with supply current minimizing |
12/12/1996 | WO1996039652A1 Integrated circuit temperature sensor with a programmable offset |
12/11/1996 | EP0748047A1 Integrated buffer circuit |
12/11/1996 | EP0747800A1 Circuit for providing a bias voltage compensated for P-channel transistor variations |
12/11/1996 | EP0747799A1 Transistor programmable voltage reference generator |
12/11/1996 | EP0747713A2 Circuit for measuring the load current of a power semiconductor device with a load on the source or drain side |
12/10/1996 | US5583464 Resistor circuit for integrated circuit chip using insulated field effect transistors |
12/04/1996 | EP0745923A2 Voltage regulator with load pole stabilization |
12/04/1996 | EP0745921A1 Transistor current generator stage for integrated analog circuits |
12/03/1996 | US5581209 For an integrated circuit |
12/03/1996 | US5581174 Band-gap reference current source with compensation for saturation current spread of bipolar transistors |
11/28/1996 | WO1996037814A1 Constant current source with an eeprom cell |
11/28/1996 | DE19518728A1 Konstantstromquelle mit einer EEPROM-Zelle Constant current source to an EEPROM cell |