| 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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| 03/21/2000 | US6040720 Resistorless low-current CMOS voltage reference generator |
| 03/16/2000 | DE19841270A1 Constant current control for LED |
| 03/15/2000 | EP0986105A1 Electronic circuit for trimming integrated circuits |
| 03/15/2000 | EP0985270A1 High transconductance voltage reference cell |
| 03/14/2000 | US6037833 Generator for generating voltage proportional to absolute temperature |
| 03/14/2000 | US6037762 Voltage detector having improved characteristics |
| 03/08/2000 | EP0983537A1 Reference voltage source with temperature-compensated output reference voltage |
| 03/07/2000 | US6034567 Semiconductor integrated circuit device provided with a differential amplifier |
| 03/07/2000 | US6034519 Internal supply voltage generating circuit |
| 03/07/2000 | US6034518 Stabilized current mirror circuit |
| 03/02/2000 | DE19821906C1 Klemmschaltung Clamp circuit |
| 03/01/2000 | EP0870221B1 Integrated circuit temperature sensor with a programmable offset |
| 02/29/2000 | US6031750 Constant current supply over a wide range of input voltages |
| 02/29/2000 | US6031414 Constant current circuit with small output current fluctuation |
| 02/29/2000 | US6031413 Semiconductor integrated circuit using direct coupled FET logic configuration for low power consumption |
| 02/29/2000 | US6031411 Low power substrate bias circuit |
| 02/29/2000 | US6031366 Variable current source with deviation compensation |
| 02/29/2000 | US6031365 Band gap reference using a low voltage power supply |
| 02/29/2000 | US6031363 Voltage regulator circuit |
| 02/29/2000 | US6031357 Battery charge control circuit |
| 02/23/2000 | EP0981203A1 Fast switching, controlled current source |
| 02/22/2000 | US6028478 Converter circuit and variable gain amplifier with temperature compensation |
| 02/22/2000 | US6028449 Integrated circuit I/O buffer having pull-up to voltages greater than transistor tolerance |
| 02/22/2000 | US6028417 Voltage regulator circuit for attenuating inductance-induced on-chip supply variations |
| 02/17/2000 | DE19833210A1 Amplifier circuit arrangement for capacitance measurements e.g. in finger print sensor |
| 02/16/2000 | CN1244966A Output voltage regulation of a power supply module |
| 02/16/2000 | CN1244732A Semiconductor device |
| 02/15/2000 | US6026033 MOS transistor circuit and method for biasing a voltage generator |
| 02/15/2000 | US6025792 Analog compensation circuitry for integrated circuit input/output circuitry |
| 02/15/2000 | CA2010460C Circuit for regulationg the base current of a semiconductor power device |
| 02/08/2000 | US6023190 High voltage generation circuit which generates high voltage by digitally adjusting current amount flowing through capacitor |
| 02/08/2000 | US6023189 CMOS circuit for providing a bandcap reference voltage |
| 02/08/2000 | US6023188 Positive/negative high voltage charge pump system |
| 02/08/2000 | US6023185 Temperature compensated current reference |
| 02/08/2000 | US6023157 Constant-current circuit for logic circuit in integrated semiconductor |
| 02/02/2000 | EP0977105A1 Regulator with current limiting function, and method |
| 02/01/2000 | US6021037 Device including a thermally protected switching transistor |
| 02/01/2000 | US6020780 Substrate potential control circuit capable of making a substrate potential change in response to a power-supply voltage |
| 02/01/2000 | US6020731 Constant voltage output circuit which determines a common base electric potential for first and second bipolar transistors whose bases are connected |
| 02/01/2000 | US6020730 Current source and method therefor |
| 02/01/2000 | US6020728 Control circuit with a single control input for controlling DC and AC currents in a load |
| 01/26/2000 | EP0974810A2 Nonlinear current mirror for loop-gain control |
| 01/26/2000 | EP0974082A1 Output buffer having a predriver for compensating slew rate against process variations |
| 01/25/2000 | US6018265 Internal CMOS reference generator and voltage regulator |
| 01/25/2000 | US6018236 Differential voltage regulator |
| 01/25/2000 | US6018235 Reference voltage generating circuit |
| 01/20/2000 | WO2000003474A2 Converter circuit and variable gain amplifier with temperature compensation |
| 01/18/2000 | US6016245 Voltage overshoot protection circuit |
| 01/18/2000 | US6016074 Programmable reference voltage circuit |
| 01/18/2000 | US6016051 Bandgap reference voltage circuit with PTAT current source |
| 01/18/2000 | US6016050 Start-up and bias circuit |
| 01/12/2000 | EP0925635A4 A progressive start-up charge pump and method therefor |
| 01/11/2000 | US6014053 Amplifier MOS biasing circuit for a avoiding latch-up |
| 01/11/2000 | US6014020 Reference voltage source with compensated temperature dependency and method for operating the same |
| 01/11/2000 | US6014018 Voltage-reducing device with low power dissipation |
| 01/05/2000 | CN1048121C Power limiting voltage stabilizer |
| 01/04/2000 | US6011986 Manual and automatic probe calibration |
| 01/04/2000 | US6011428 Voltage supply circuit and semiconductor device including such circuit |
| 01/04/2000 | US6011427 High efficiency base current helper |
| 01/04/2000 | US6011386 Frequency adjustable, zero temperature coefficient referencing ring oscillator circuit |
| 01/04/2000 | US6011385 Method and apparatus for measuring and regulating current to a load |
| 01/04/2000 | CA2028269C Method and apparatus for sensing loss of regulation in a ferroresonant transformer |
| 12/29/1999 | WO1999067884A1 Constant-current generation circuit, digital/analog conversion circuit and image processor |
| 12/29/1999 | WO1999066973A2 Temperature compensation arrangement and current reference circuit |
| 12/29/1999 | EP0967602A1 A temperature/voltage compensation circuit |
| 12/29/1999 | EP0967538A1 Output control circuit for a voltage regulator |
| 12/29/1999 | EP0916187A4 Voltage controlled variable current reference |
| 12/29/1999 | CN2356365Y Portable multipurpose hand power supply device |
| 12/28/1999 | US6008674 Semiconductor integrated circuit device with adjustable high voltage detection circuit |
| 12/28/1999 | US6008632 Constant-current power supply circuit and digital/analog converter using the same |
| 12/23/1999 | DE19927007A1 Band spacing reference voltage generation circuit e.g. for comparison voltage or for driving IC |
| 12/22/1999 | EP0965169A1 Current-limit circuit |
| 12/22/1999 | CN1239561A High impedance bias circuit for ac signal amplifiers |
| 12/22/1999 | CN1239355A 半导体集成电路装置 The semiconductor integrated circuit device |
| 12/21/1999 | US6006169 Method and apparatus for trimming an integrated circuit |
| 12/21/1999 | US6005434 Substrate potential generation circuit that can suppress variation of output voltage with respect to change in external power supply voltage and environment temperature |
| 12/21/1999 | US6005379 Power compensating voltage reference |
| 12/21/1999 | US6005378 Compact low dropout voltage regulator using enhancement and depletion mode MOS transistors |
| 12/21/1999 | US6005375 Amplifier using a single polarity power supply |
| 12/21/1999 | US6005374 Low cost programmable low dropout regulator |
| 12/21/1999 | CA2113762C High speed and low drift charge pump circuit |
| 12/16/1999 | WO1999065280A1 Electronic control circuit |
| 12/16/1999 | CA2334591A1 Electronic control circuit |
| 12/15/1999 | EP0888582A4 Zero-current start-up circuit |
| 12/15/1999 | EP0875025A4 Junction field effect voltage reference and fabrication method |
| 12/15/1999 | EP0873546A4 Temperature stabilized constant fraction voltage controlled current source |
| 12/15/1999 | CN1238483A Bandgap reference voltage generating circuit |
| 12/14/1999 | US6002294 Start circuit for a self-biasing constant current circuit, constant current circuit and operational amplifier using the same |
| 12/14/1999 | US6002293 High transconductance voltage reference cell |
| 12/14/1999 | US6002288 Current limiting circuit and method that may be shared among different circuitry |
| 12/14/1999 | US6002245 Dual regeneration bandgap reference voltage generator |
| 12/14/1999 | US6002244 Temperature monitoring circuit with thermal hysteresis |
| 12/14/1999 | US6002243 MOS circuit stabilization of bipolar current mirror collector voltages |
| 12/14/1999 | US6002242 Start-up aid circuit for a plurality of current sources |
| 12/14/1999 | US6002157 Semiconductor device having a CMOS current mirror circuit |
| 12/09/1999 | DE19911098A1 Voltage decision circuit for charging type battery used in mobile telephone |
| 12/07/1999 | US5998983 Device for generating a DC reference voltage |
| 12/07/1999 | CA2078303C Voltage regulator |
| 12/02/1999 | WO1999062059A1 Adaptive low-noise current generator and method |
| 12/01/1999 | EP0961290A2 Flash memory with improved erasability and its circuitry |