| 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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| 08/01/1989 | US4853610 Precision temperature-stable current sources/sinks |
| 08/01/1989 | US4853609 Distortion-free, opposite-phase current source |
| 07/27/1989 | WO1989006837A1 Voltage sources |
| 07/25/1989 | US4851720 Low power sense amplifier for programmable logic device |
| 07/20/1989 | DE3842249A1 In galliumarsenid-technologie ausgefuehrte halbleitereinrichtung In gallium arsenide technology be led semiconductor device |
| 07/18/1989 | US4849933 Bipolar programmable logic array |
| 07/18/1989 | US4849684 CMOS bandgap voltage reference apparatus and method |
| 07/18/1989 | US4849663 Switchable smoothing network |
| 07/11/1989 | US4847601 Remote transmitter kit |
| 07/11/1989 | US4847550 Semiconductor circuit |
| 07/11/1989 | US4847519 Integrated, high speed, zero hold current and delay compensated charge pump |
| 07/11/1989 | US4847518 CMOS voltage divider circuits |
| 07/11/1989 | CA1257328A1 Current source with adjustable temperature coefficient |
| 07/04/1989 | CA1256950A1 Substrate bias generators |
| 07/04/1989 | CA1256939A1 Battery economising circuit |
| 06/29/1989 | WO1989006068A1 Low power voltage clamp circuit |
| 06/27/1989 | US4843304 High capacity current mirror circuit |
| 06/27/1989 | US4843303 Voltage regulator circuit |
| 06/27/1989 | US4843302 Non-linear temperature generator circuit |
| 06/27/1989 | US4843258 Drive circuit with a ring oscillator for a semiconductor device |
| 06/27/1989 | US4843256 Controlled CMOS substrate voltage generator |
| 06/21/1989 | EP0321226A1 Intermediate potential generation circuit for generating a potential intermediate between a power source potential and ground potential |
| 06/20/1989 | US4841428 Non-saturating magnetic amplifier controller |
| 06/20/1989 | US4841222 Switched Current source |
| 06/15/1989 | WO1989005545A1 Improved low power dual-mode cmos bias voltage generator |
| 06/13/1989 | US4839577 Current-controlling circuit |
| 06/13/1989 | US4839535 MOS bandgap voltage reference circuit |
| 06/06/1989 | US4837497 Variable transformer, reactor and method of their control |
| 06/06/1989 | US4837496 Low voltage current source/start-up circuit |
| 06/06/1989 | US4837460 Complementary MOS circuit having decreased parasitic capacitance |
| 06/06/1989 | US4837459 CMOS reference voltage generation |
| 05/30/1989 | US4835455 Reference voltage generator |
| 05/24/1989 | EP0317430A2 Logic circuit using bipolar complementary metal oxide semiconductor gate and semiconductor memory device having the logic circuit |
| 05/24/1989 | EP0317420A1 High stability digital-analog output voltage converter |
| 05/24/1989 | EP0317222A2 Voltage divider circuits |
| 05/23/1989 | US4833344 Low voltage bias circuit |
| 05/23/1989 | US4833342 Reference potential generating circuit |
| 05/17/1989 | EP0316147A2 High gain driver circuit and method |
| 05/16/1989 | US4831281 Merged multi-collector transistor |
| 05/16/1989 | US4830976 Integrated circuit resistor |
| 05/09/1989 | US4829231 Current mirror having a high output voltage |
| 05/03/1989 | EP0314476A2 Feedback threshold compensation |
| 05/03/1989 | EP0314227A2 Wideband single-ended voltage-to current converter and gain-control circuit |
| 04/26/1989 | EP0313492A1 Voltage regulator |
| 04/25/1989 | US4825145 Constant current circuit |
| 04/25/1989 | US4825142 CMOS substrate charge pump voltage regulator |
| 04/24/1989 | EP0287645A4 Inductive coupled power system. |
| 04/18/1989 | CA1252835A1 Field effect transistor current source |
| 04/13/1989 | DE3731948A1 Circuit arrangement for the control of current sources in integrated circuits |
| 04/12/1989 | EP0311576A2 Active overvoltage control for inductive load driving |
| 04/12/1989 | EP0310743A2 Current-controlling circuit |
| 04/11/1989 | US4820968 Compensated current sensing circuit |
| 04/11/1989 | US4820967 BiCMOS voltage reference generator |
| 04/11/1989 | US4820936 Integrated CMOS circuit comprising a substrate bias voltage generator |
| 04/05/1989 | EP0310359A2 Logic circuit using Schottky barrier FETs |
| 04/05/1989 | CN2035507U Ac/dc voltage-stabilizing power supply |
| 04/05/1989 | CN2035506U Pocket reference voltage transmitter |
| 03/29/1989 | EP0309365A1 Adjustable current source and automatic calibration digital/analog converter using such a source |
| 03/28/1989 | US4817055 Semiconductor memory circuit including bias voltage generator |
| 03/28/1989 | US4816742 Stabilized current and voltage reference sources |
| 03/22/1989 | EP0307721A1 Optical heterodyne receiver with a six-port fibre coupler |
| 03/21/1989 | US4814835 Active load type of current source and method of making it |
| 03/21/1989 | US4814686 FET reference voltage generator which is impervious to input voltage fluctuations |
| 03/21/1989 | US4814644 Basic circuitry particularly for construction of multivalued logic systems |
| 03/21/1989 | CA1251523A1 Voltage reference for transistor constant-current source |
| 03/14/1989 | US4812735 Intermediate potential generating circuit |
| 03/14/1989 | US4812734 Current-mirror arrangement |
| 03/08/1989 | EP0306134A1 Precision tracking current generator |
| 03/08/1989 | EP0138823B1 A current source circuit having reduced error |
| 03/07/1989 | US4810962 Voltage regulator capable of sinking current |
| 03/07/1989 | US4810902 Logic interface circuit with high stability and low rest current |
| 03/07/1989 | CA1250954A1 Programmable reference voltage generator for a read only memory |
| 02/28/1989 | US4808909 Bias voltage and constant current supply circuit |
| 02/28/1989 | US4808908 Curvature correction of bipolar bandgap references |
| 02/28/1989 | US4808907 Current regulator and method |
| 02/28/1989 | US4808847 Temperature-compensated voltage driver circuit for a current source arrangement |
| 02/21/1989 | US4806844 Circuit for providing on-chip DC power supply in an integrated circuit |
| 02/21/1989 | US4806788 Semiconductor integrated circuit with decreased burn-in time |
| 02/15/1989 | EP0302856A1 Improvements in ferroresonant constant-voltage transformers. |
| 02/14/1989 | US4804865 Fast voltage reference stabilization circuit |
| 02/02/1989 | DE3723008C1 Electronic switching device preferably operating contactlessly |
| 02/01/1989 | EP0301184A1 CMOS reference voltage generating device |
| 01/31/1989 | US4802123 Semiconductor integrated circuit device |
| 01/31/1989 | US4801892 Current mirror circuit |
| 01/31/1989 | US4801887 Circuit arrangement for generating a direct voltage from a sinusoidal input voltage |
| 01/31/1989 | US4801820 LSI array having power down capability |
| 01/26/1989 | DE3744756A1 Constant-current generator |
| 01/26/1989 | DE3744751A1 Output stage of an amplifier |
| 01/24/1989 | US4800297 Source bias generator for natural transistors in MOS digital integrated circuits |
| 01/18/1989 | EP0299723A2 Current mirror circuit |
| 01/18/1989 | EP0299259A2 Electronic switching device, preferably operating without contact |
| 01/17/1989 | US4798982 Active symmetrical balance hybrid circuit |
| 01/11/1989 | EP0298329A2 Electronic switching device, preferably operating without contact |
| 01/10/1989 | US4797899 Integrated dual charge pump power supply including power down feature and rs-232 transmitter/receiver |
| 01/10/1989 | US4797577 Bandgap reference circuit having higher-order temperature compensation |
| 01/03/1989 | US4795961 Low-noise voltage reference |
| 01/03/1989 | US4795959 For converting AC)power to an output |
| 01/03/1989 | US4795920 Method and apparatus for sourcing and sinking current |
| 01/03/1989 | US4795918 Bandgap voltage reference circuit with an npn current bypass circuit |
| 12/29/1988 | DE3816185A1 Stabiliser (constant voltage transformer) |