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