| 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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| 05/08/1991 | DE3936392A1 Current stabilising circuit e.g. for amplifiers - has two transistor emitters coupled to reference point, and first transistor base linked to second transistor collector |
| 05/07/1991 | US5013999 Voltage generating circuit using a Schottky barrier diode |
| 05/07/1991 | US5013934 Bandgap threshold circuit with hysteresis |
| 05/02/1991 | EP0425024A2 Circuit for limiting the output voltage of a monolithic semiconductor power device which drives a resonant load connected to a power supply |
| 05/02/1991 | EP0424742A2 Floating output digital to analog converter |
| 04/24/1991 | EP0424264A1 Current source with low temperature coefficient |
| 04/24/1991 | CN2075798U Dc signal source |
| 04/18/1991 | WO1991005404A2 Current mirror |
| 04/18/1991 | WO1991005301A1 Reference voltage distribution system |
| 04/18/1991 | DE4001509C1 Integratable temp. sensor circuit - has circuit complementary to current mirror circuit contg. two FETs with reference potential node |
| 04/17/1991 | EP0422798A2 Bipolar/CMOS regulator circuits |
| 04/16/1991 | US5008609 Voltage generating circuit for semiconductor device |
| 04/16/1991 | US5008586 Solid state current sensing circuit and protection circuit |
| 04/09/1991 | US5006734 Bidirectional current limiting circuit |
| 04/04/1991 | WO1991004473A1 Circuit for the detection of temperature threshold, of light and of unduly low clock frequency |
| 04/03/1991 | EP0419821A2 Wide dynamic range current source circuit |
| 04/03/1991 | EP0419819A1 Current mirror |
| 04/03/1991 | CN2074474U Piezoresistive monostat for electric current resource |
| 04/02/1991 | US5004986 Op-amp with internally generated bias and precision voltage reference using same |
| 03/26/1991 | US5003197 Substrate bias voltage generating and regulating apparatus |
| 03/26/1991 | CA1282010C Inductive coupled power system |
| 03/20/1991 | EP0418060A2 Temperature compensated voltage regulator and reference circuit |
| 03/20/1991 | EP0418025A2 Current mirror having large current scaling factor |
| 03/20/1991 | CN1050114A High speed cmos differential interface circuits |
| 03/19/1991 | US5001482 BiCMOS digital-to-analog converter for disk drive digital recording channel architecture |
| 03/19/1991 | US5001414 Voltage reference circuit with linearized temperature behavior |
| 03/19/1991 | US5001362 BiCMOS reference network |
| 03/16/1991 | CA2025415A1 Temperature compensated voltage regulator and reference circuit |
| 03/13/1991 | EP0231204B1 Back bias generator |
| 03/13/1991 | CN2073132U Energy-saving automatic a.c. voltage stabilizer for domestic electrical appliance |
| 03/12/1991 | US4999567 Constant current circuit |
| 03/12/1991 | US4999516 Combined bias supply power shut-off circuit |
| 03/12/1991 | CA1281386C Accurate current conveyor |
| 03/07/1991 | DE3929360A1 Low voltage current control circuit - for compensating voltage fluctuations in high current equipment |
| 03/06/1991 | EP0415490A2 Circuit arrangement for power supply to a load |
| 02/27/1991 | EP0414482A2 Bias voltage supplying circuit |
| 02/27/1991 | EP0414434A2 Semiconductor integrated circuit including an intrinsic MOS transistor for generating a reference voltage |
| 02/27/1991 | EP0414029A2 Constant-current regulated power circuit |
| 02/26/1991 | US4996446 Semiconductor device having a reverse bias voltage generator |
| 02/19/1991 | US4994730 Current source circuit with complementary current mirrors |
| 02/19/1991 | US4994729 Reference voltage circuit having low temperature coefficient suitable for use in a GaAs IC |
| 02/19/1991 | US4994689 Semiconductor integrated circuit device |
| 02/19/1991 | US4994688 Semiconductor device having a reference voltage generating circuit |
| 02/19/1991 | CA1280471C Electrical supply |
| 02/06/1991 | EP0411789A2 High speed CMOS differential interface circuits |
| 02/06/1991 | EP0411657A1 Constant voltage circuit |
| 02/06/1991 | EP0411201A1 Potential generator in an integrated semiconductor circuit |
| 02/05/1991 | US4990847 Microcomputer |
| 02/05/1991 | US4990846 Temperature compensated voltage reference circuit |
| 02/05/1991 | US4990845 Floating current source |
| 02/05/1991 | US4990797 Reference voltage distribution system |
| 02/04/1991 | CA2022317A1 High speed cmos differential interface circuits |
| 01/31/1991 | DE4012298A1 Fine current source for high energising - has diode in parallel to base-emitter path of identical polarity transistor |
| 01/23/1991 | EP0409571A2 Integrated constant current circuit with a BJT and a JFET |
| 01/23/1991 | EP0409158A1 Substrate injection clamp |
| 01/23/1991 | EP0408982A2 Overcurrent circuit breaker |
| 01/22/1991 | US4987360 Self-contained rechargeable battery power source with voltage reducer |
| 01/18/1991 | WO1991001594A1 Combined bias supply and power shut-off circuit |
| 01/18/1991 | CA2064085A1 Combined bias supply and power shut-off circuit |
| 01/16/1991 | EP0197965B1 A field effect transistor current source |
| 01/15/1991 | US4985869 Semiconductor memory device with an improved substrate back-bias arrangement |
| 01/09/1991 | EP0407170A2 Charge pump |
| 01/08/1991 | US4984123 Latching switching device having current responsive release |
| 01/08/1991 | US4983930 Current conveyor |
| 01/08/1991 | US4983929 Cascode current mirror |
| 01/03/1991 | DE3920279A1 Circuit generating constant output DC voltage - uses variable input voltage supplied to transistor, operating as series control |
| 12/27/1990 | CA1278341C Transistor base current regulator |
| 12/25/1990 | US4980650 Current amplifier |
| 12/19/1990 | EP0403195A1 Current mirror circuit |
| 12/19/1990 | EP0402928A2 Circuit for internal current limiting in a fast high side power switch |
| 12/19/1990 | EP0402383A1 Mos current mirror with high output impedance and compliance |
| 12/19/1990 | CN2067848U Full-automatic ac voltage stabilizer |
| 12/18/1990 | US4978905 MOS integrated circuit |
| 12/18/1990 | US4978904 Semiconductor device |
| 12/18/1990 | US4978868 Simplified transistor base current compensation circuitry |
| 12/13/1990 | WO1990015378A1 Band-gap voltage reference with independently trimmable tc and output |
| 12/11/1990 | US4977333 Power semiconductor device including an arrangement for controlling load current by independent control of a plurality of semiconductor elements |
| 12/04/1990 | US4975649 Method and apparatus for sensing loss of regulation in a ferroresonant transformer |
| 12/04/1990 | US4975632 Stable bias current source |
| 12/04/1990 | US4975631 Constant current source circuit |
| 11/29/1990 | DE3926656A1 Halbleiter-temperaturdetektorschaltung Semiconductor temperature detecting circuit |
| 11/28/1990 | EP0398897A1 Voltage transducer |
| 11/27/1990 | US4973857 Current divider circuit |
| 11/22/1990 | EP0398456A2 Circuit arrangement for the electrically isolated reception of binary electrical signals |
| 11/21/1990 | CN1047150A Voltage regulator |
| 11/20/1990 | US4972107 Sensor circuit configuration |
| 11/20/1990 | US4972097 Reference voltage generating circuit in semiconductor device |
| 11/14/1990 | EP0397408A1 Reference voltage generator |
| 11/14/1990 | EP0396996A2 Bandgap threshold circuit with hysteresis |
| 11/13/1990 | US4970452 Integrated circuit comprising a switchable current generator |
| 11/13/1990 | US4970415 Circuit for generating reference voltages and reference currents |
| 11/13/1990 | US4970413 VBB-feedback threshold compensation |
| 11/08/1990 | DE3923630A1 Stromquellen-spannungsnachfuehrschaltkreis zur stabilisierung von bitleitungen Current source spannungsnachfuehrschaltkreis for stabilization of bit lines |
| 11/07/1990 | EP0148857B1 Ion thruster power-processing unit |
| 10/31/1990 | EP0394805A2 Temperature-independent variable-current source |
| 10/30/1990 | US4967140 Current-source arrangement |
| 10/30/1990 | US4967139 Temperature-independent variable-current source |
| 10/23/1990 | US4965510 Integrated semiconductor circuit |
| 10/23/1990 | US4965466 Substrate injection clamp |
| 10/23/1990 | CA1275457C Integrated circuit in complementary circuit technology comprising a substrate bias generator |