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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09/07/1999 | US5949274 Constant voltage source |
09/07/1999 | US5949228 Feedback circuit to compensate for process and power supply variations |
09/07/1999 | US5949227 Low power circuit for disabling startup circuitry in a voltage Reference circuit |
09/02/1999 | WO1999044277A1 A boosting circuit with supply-dependent gain |
08/31/1999 | US5945873 Current mirror circuit with improved correction circuitry |
08/31/1999 | US5945872 Two-phase boosted CMOS switch drive technique and circuit |
08/31/1999 | US5945871 Of a reference voltage |
08/31/1999 | US5945821 Reference voltage generating circuit |
08/31/1999 | US5945818 Load pole stabilized voltage regulator circuit |
08/26/1999 | DE19809090A1 Reference voltage source e.g. for railway systems |
08/26/1999 | CA2503472A1 Electrical fault detection system |
08/25/1999 | EP0938229A2 Photoelectric conversion element driven by a current mirror circuit |
08/25/1999 | EP0823115B1 Reference for cmos memory cell having pmos and nmos transistors with a common floating gate |
08/24/1999 | US5942934 On-chip regulator providing good high frequency rejection and noise filtering from the supply |
08/24/1999 | US5942933 Internal voltage generation circuit for semiconductor device |
08/24/1999 | US5942888 Method and device for temperature dependent current generation |
08/24/1999 | US5942887 Band-gap reference voltage source |
08/24/1999 | US5942809 Method and apparatus for generating internal supply voltage |
08/19/1999 | DE19833956A1 Semiconductor circuit for DRAM, SRAM, etc. |
08/18/1999 | EP0936570A2 Method and electronic circuit for signal processing, in particular for the computation of probability distributions |
08/18/1999 | EP0936526A2 Reference voltage generator |
08/18/1999 | EP0936525A1 Diode circuit with ideal diode characteristic curve |
08/17/1999 | US5940322 Constant voltage generating circuit with improved line voltage control |
08/17/1999 | US5939933 Intentionally mismatched mirror process inverse current source |
08/17/1999 | US5939906 Circuit compensating nonlinearities |
08/17/1999 | US5939868 Method and apparatus for automatically controlling integrated circuit supply voltages |
08/12/1999 | DE19752423C1 Electric reference potential generating circuit for analog battery-powered CMOS circuit |
08/11/1999 | EP0934557A2 A circuit for controlling ac/dc power load |
08/10/1999 | US5936471 Frequency compensation of a current amplifier in MOS technology |
08/10/1999 | US5936460 Current source having a high power supply rejection ratio |
08/10/1999 | US5936455 MOS integrated circuit with low power consumption |
08/10/1999 | US5936451 Delay circuit and method |
08/10/1999 | US5936445 PLL-based differential tuner circuit |
08/10/1999 | US5936436 Substrate potential detecting circuit |
08/10/1999 | US5936392 Current source, reference voltage generator, method of defining a PTAT current source, and method of providing a temperature compensated reference voltage |
08/10/1999 | US5936391 Partially temperature compensated low noise voltage reference |
08/10/1999 | US5936389 For connection to a bus line |
08/10/1999 | CA2193507C Low power regenerative feedback device and method |
08/05/1999 | WO1999039351A1 A voltage regulator and boosting circuit for reading a memory cell at low voltage levels |
08/03/1999 | US5933441 Circuit for protecting a laser indicator |
08/03/1999 | US5933051 Constant-voltage generating device |
08/03/1999 | US5933045 Ratio correction circuit and method for comparison of proportional to absolute temperature signals to bandgap-based signals |
07/28/1999 | EP0932094A1 Low-noise impulse current generation apparatus |
07/28/1999 | EP0711432B1 Reference voltage source for biassing a plurality of current source transistors with temperature-compensated current supply |
07/28/1999 | CN1224516A Electronic circuit, semiconductor device, electronic equipment, and clock |
07/28/1999 | CN1044412C Source voltage control circuit |
07/27/1999 | US5929697 Current reference circuit for current-mode read-only-memory |
07/27/1999 | US5929695 Integrated circuit having selective bias of transistors for low voltage and low standby current and related methods |
07/27/1999 | US5929694 Semiconductor device having voltage generation circuit |
07/27/1999 | US5929678 Frequency synthesis circuit having a charge pump |
07/27/1999 | US5929623 Regulated power supply circuit |
07/27/1999 | US5929622 Balanced current mirror |
07/27/1999 | US5929621 Generation of temperature compensated low noise symmetrical reference voltages |
07/27/1999 | US5929616 Device for voltage regulation with a low internal dissipation of energy |
07/22/1999 | WO1999037021A1 Low voltage current mirror and ctat current source and method |
07/21/1999 | EP0929934A1 Merged transconductance amplifier |
07/20/1999 | US5926062 Reference voltage generating circuit |
07/20/1999 | US5926060 Mirror model for designing a continuous-time filter with reduced filter noise |
07/20/1999 | US5926055 Five volt output connection for a chip manufactured in a three volt process |
07/20/1999 | US5926051 Self refresh timer |
07/15/1999 | WO1999035545A1 Output buffer having a predriver for compensating slew rate against process variations |
07/15/1999 | CA2283584A1 Output buffer having a predriver for compensating slew rate against process variations |
07/14/1999 | EP0929022A1 Method and circuit for driving infrared-emitting diode |
07/14/1999 | EP0929021A1 Current supply circuit and bias voltage circuit |
07/14/1999 | EP0702812B1 Cmos bus and transmission line receiver |
07/13/1999 | US5923217 Amplifier circuit and method for generating a bias voltage |
07/13/1999 | US5923212 Bias generator for a low current divider |
07/13/1999 | US5923211 Reference voltage generation scheme for gate oxide protected circuits |
07/13/1999 | US5923209 Cell for providing an output current at a desired level |
07/07/1999 | EP0927920A1 Voltage sag limiting system and method of operation |
07/07/1999 | EP0927385A1 Temperature independent current reference |
07/06/1999 | US5920225 Negative voltage drive circuit |
07/06/1999 | US5920185 Constant-voltage circuit capable of preventing an overshoot at a circuit output terminal |
07/06/1999 | US5920184 Low ripple voltage reference circuit |
07/06/1999 | US5920183 For regulating an input voltage to produce an output voltage |
07/06/1999 | US5918982 Temperature detecting using a forward voltage drop across a diode |
06/30/1999 | EP0925635A1 A progressive start-up charge pump and method therefor |
06/30/1999 | EP0925534A1 Compensation network for pinch off sensitive circuits |
06/29/1999 | US5917757 Flash memory with high speed erasing structure using thin oxide semiconductor devices |
06/29/1999 | US5917367 Power supply solution for mixed signal circuits |
06/24/1999 | WO1999031797A1 Integrated circuit, current mirror circuit, and method of fabricating current mirror circuit |
06/23/1999 | EP0924590A1 Precision current source |
06/23/1999 | EP0923806A2 An amplified mos biasing circuit for avoiding latch-up |
06/23/1999 | CN1220467A Voltage generator circuit |
06/22/1999 | US5914867 Voltage generator-booster for supplying a pulsating voltage having approximately constant voltage levels |
06/22/1999 | US5914631 Voltage generating circuit |
06/22/1999 | US5914586 Overdischarging detection circuit |
06/17/1999 | WO1999030419A1 Buffer circuit |
06/17/1999 | WO1999030216A1 Internal cmos reference generator and voltage regulator |
06/16/1999 | EP0923014A1 Reference DC voltage generating apparatus |
06/15/1999 | US5912583 For compensating the transconductance of a programmable transconductor |
06/15/1999 | US5912580 Voltage reference circuit |
06/15/1999 | US5912553 Alternating current ferroresonant transformer with low harmonic distortion |
06/15/1999 | US5912550 Power converter with 2.5 volt semiconductor process components |
06/10/1999 | WO1999028802A1 Reference voltage source with temperature-compensated output reference voltage |
06/09/1999 | EP0920658A1 Precision bandgap reference circuit |
06/08/1999 | US5910749 Current reference circuit with substantially no temperature dependence |
06/08/1999 | US5910726 Reference circuit and method |
06/03/1999 | WO1999027537A1 On chip voltage generation for low power integrated circuits |
06/02/1999 | EP0919020A2 Voltage divider circuit |