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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09/01/1998 | US5801582 Activatable/deactivatable circuit arrangement for producing a reference potential |
09/01/1998 | US5801581 Comparison detection circuit |
09/01/1998 | US5801580 Self-biased voltage-regulated current source |
09/01/1998 | US5801570 Semiconductor intergrated circuit with MOS transistors compensated of characteristic and performance deviations and deviation compensation system therein |
09/01/1998 | US5801524 Voltage controlled current source for low voltage applications |
09/01/1998 | US5801523 Circuit and method of providing a constant current |
08/27/1998 | WO1998037620A1 Output voltage regulation of a power supply module |
08/26/1998 | EP0860762A2 Circuit and method for generating a DC output voltage |
08/26/1998 | EP0860054A2 Frequency synthesis circuit having a charge pump |
08/25/1998 | US5798669 Temperature compensated nanopower voltage/current reference |
08/25/1998 | US5798658 Source-coupled logic with reference controlled inputs |
08/25/1998 | US5798637 Reference voltage generating circuit |
08/20/1998 | WO1998036342A1 Heat protection |
08/20/1998 | WO1998036341A1 Self-compensating geometry-adjusted current mirroring circuitry |
08/19/1998 | EP0859469A2 A five volt output driver for a chip manufactured in a three volt process |
08/18/1998 | US5796767 Driver circuit of light-emitting device |
08/18/1998 | US5796296 Combined resistance-capacitance ladder voltage divider circuit |
08/18/1998 | US5796295 Reference for CMOS memory cell having PMOS and NMOS transistors with a common floating gate |
08/18/1998 | US5796294 Circuits for generating a current which is proportional to absolute temperature |
08/18/1998 | US5796285 Voltage-limiting circuit with hysteresis comparator |
08/18/1998 | US5796278 Circuitry for controlling load current |
08/18/1998 | US5796244 Bandgap reference circuit |
08/13/1998 | WO1998035283A1 Temperature set point circuit and method employing adjustment resistor |
08/13/1998 | WO1998035282A1 Ratio correction circuit and method for comparison of proportional to absolute temperature signals to bandgap-based signals |
08/13/1998 | DE19707423C1 Circuit for generating constant voltage supply from fluctuating input voltage supply for Zener circuit |
08/12/1998 | EP0659310B1 Integrated mosfet resistance and oscillator frequency control, trim methods and apparatus |
08/12/1998 | CN1190474A Circuit arrangement for producing DC current |
08/11/1998 | US5793248 Providing an output current and powered from a supply voltage |
08/11/1998 | US5793247 Constant current source with reduced sensitivity to supply voltage and process variation |
08/11/1998 | US5793231 Current memory cell having bipolar transistor configured as a current source and using field effect transistor (FET) for current trimming |
08/11/1998 | US5793194 Bias circuit having process variation compensation and power supply variation compensation |
08/05/1998 | EP0856168A1 Reference voltage source with temperature compensation |
08/05/1998 | EP0856167A1 Multi-stage current feedback amplifier |
08/05/1998 | EP0725923B1 Two terminal temperature transducer having circuitry which controls the entire operating current to be linearly proportional with temperature |
08/04/1998 | US5789972 Regulated reference voltage generator having feedback to provide a stable voltage |
08/04/1998 | US5789906 Reference voltage generating circuit and method |
07/30/1998 | WO1998032490A1 Current and temperature compensated voltage reference |
07/30/1998 | CA2278498A1 Current and temperature compensated voltage reference |
07/28/1998 | US5787014 Method and apparatus for automatically controlling integrated circuit supply voltages |
07/28/1998 | US5786972 Temperature-compensated voltage clamp with forced pass transistor voltage sharing |
07/23/1998 | WO1998032062A1 Device and method for determining the size of a current |
07/23/1998 | WO1998032061A1 Compensation network for pinch off sensitive circuits |
07/21/1998 | US5783937 Reference voltage generator controlled as a function of temperature |
07/21/1998 | US5783936 Temperature compensated reference current generator |
07/21/1998 | US5783935 Reference voltage generator and method utilizing clamping |
07/21/1998 | US5783934 CMOS voltage regulator with diode-connected transistor divider circuit |
07/21/1998 | CA2072813C Soft switching boost and buck regulators |
07/16/1998 | DE19737777A1 Decision circuit for switching to back-up power supply e.g. for sequence or run-off control unit, counter etc |
07/14/1998 | US5781781 Computer system including a novel CMOS voltage regulator |
07/14/1998 | US5781061 Current mirror circuit and signal processing circuit having improved resistance to current output terminal voltage variation |
07/14/1998 | US5781060 Semiconductor integrated circuit device having a variable current source controlled by a shift register |
07/14/1998 | US5781043 Direct current sum bandgap voltage comparator |
07/14/1998 | US5781002 Anti-latch circuit for low dropout dual supply voltage regulator |
07/14/1998 | US5780921 Bipolar transistor constant voltage source circuit |
07/14/1998 | US5780904 Semiconductor integrated circuit device for obtaining extremely small constant current and timer circuit using constant current circuit |
07/14/1998 | US5780821 Method of controlling food thawing and cooking operations of a microwave oven |
07/08/1998 | EP0800720A4 Substrate clamp for non-isolated integrated circuits |
07/07/1998 | US5777509 Apparatus and method for generating a current with a positive temperature coefficient |
07/02/1998 | WO1998028674A1 High efficiency base current helper |
07/01/1998 | EP0851585A1 Circuit for generating an electric signal of constant duration, said duration being independant of temperature and process variations |
07/01/1998 | EP0851332A2 A voltage regulator |
06/30/1998 | US5774021 Merged transconductance amplifier |
06/30/1998 | US5774014 Integrated buffer circuit which functions independently of fluctuations on the supply voltage |
06/30/1998 | US5774013 Proportional to absolute temperature current source |
06/30/1998 | US5773968 Internal voltage conversion circuit |
06/30/1998 | US5773967 Voltage reference with testing and self-calibration |
06/23/1998 | US5771198 Source voltage generating circuit in semiconductor memory |
06/23/1998 | US5770969 Controllable decoupling capacitor |
06/23/1998 | US5770965 Circuit and method of compensating for non-linearities in a sensor signal |
06/23/1998 | US5770963 Flash memory with improved erasability and its circuitry |
06/23/1998 | US5770962 BIAS circuit intended to determine the mean level of an AC voltage |
06/23/1998 | US5770954 For producing a logic configuration of two complementary nodes |
06/18/1998 | WO1998026487A1 Device including a thermally protected switching transistor |
06/18/1998 | WO1998013978A3 Current distribution circuit having an additional parallel Dc-current sinking branch |
06/18/1998 | DE19705338C1 Thermic protection circuit for smart power integrated circuit |
06/17/1998 | CN1185215A Constant current source with an EEPROM cell |
06/16/1998 | US5767736 Charge pump having high switching speed and low switching noise |
06/16/1998 | US5767664 Bandgap voltage reference based temperature compensation circuit |
06/10/1998 | EP0846998A2 Integrated circuit sensing and digitally biasing the threshold voltage of transistors and related methods |
06/10/1998 | EP0846997A2 Integrated circuit actively biasing the threshold voltage of transistors and related methods |
06/09/1998 | US5764097 Automatically biased voltage level converter |
06/09/1998 | US5764042 Controlled power supply source |
06/04/1998 | WO1998024015A1 Zero-current start-up circuit |
06/03/1998 | CN2283275Y AC and DC mixed voltage stabilizing dc voltage stabilizing power supply |
06/03/1998 | CN1183571A Power supply device, liquid crystal display device, and method of supplying power |
06/02/1998 | US5760640 Between a first and second supply voltage |
06/02/1998 | US5760639 Voltage and current reference circuit with a low temperature coefficient |
06/02/1998 | US5760497 Charge pump circuit with multiple boost stages |
06/02/1998 | US5758644 Oximeter sensor |
05/27/1998 | EP0844737A2 Input buffer circuit and bidirectional buffer circuit for plural voltage systems |
05/27/1998 | CN2282700Y Multifunctional three-phase parameter voltage stabilizer |
05/26/1998 | US5757714 Semiconductor memory device with on-chip boosted power supply voltage generator |
05/26/1998 | US5757225 Voltage generation circuit that can stably generate intermediate potential independent of threshold voltage |
05/26/1998 | US5757224 Current mirror correction circuitry |
05/26/1998 | US5757175 Constant current generating circuit |
05/26/1998 | US5757174 Current sensing technique using MOS transistor scaling with matched current sources |
05/26/1998 | US5757170 Method and apparatus for reducing current supplied to an integrated circuit useable in a computer system |
05/22/1998 | WO1998021635A1 Band-gap reference voltage source |
05/22/1998 | WO1998010520A3 Frequency synthesis circuit having a charge pump |
05/20/1998 | EP0842461A1 Circuitry for supplying the base bias voltage of current source transistors in bipolar ic circuits |