Patents
Sitemap › G05 - Controlling; Regulating › G05F - Systems for regulating electric or magnetic variables › 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
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)
12/1999
12/01/1999EP0961289A2 Flash memory with improved erasability and its circuitry
12/01/1999EP0960366A1 Heat protection
12/01/1999EP0864158B1 Power supply independent current source for flash eprom erasure
11/1999
11/30/1999US5995032 Analog/digital converter with automatic control for controlling offset and gain
11/30/1999US5994887 Low power consumption constant-voltage circuit
11/30/1999US5994755 Analog-to-digital converter and method of fabrication
11/26/1999CA2272674A1 Circuit for energizing cold-cathode fluorescent lamps
11/23/1999US5990727 Current reference circuit having both a PTAT subcircuit and an inverse PTAT subcircuit
11/23/1999US5990672 Generator circuit for a reference voltage that is independent of temperature variations
11/23/1999US5990671 Constant power voltage generator with current mirror amplifier optimized by level shifters
11/23/1999US5990669 Voltage supply regulation using master/slave timer circuit modulation
11/18/1999WO1999059057A1 Method and apparatus for fast production programming and low-voltage in-system writes for programmable logic device
11/17/1999EP0957578A1 Transconductance control circuit, particularly for continous-time circuits
11/17/1999EP0957421A2 Current-efficient low-drop-out voltage regulator with improved load regulation and frequency response
11/17/1999EP0957420A2 Clamping circuit
11/16/1999US5986507 Current mirror circuit
11/16/1999US5986496 Integrated circuit having programmable bias circuits
11/16/1999US5986443 Low power required input buffer
11/10/1999CN1234584A Reference-voltage generating circuit providing stable output voltage
11/09/1999US5982677 Compensated voltage regulator
11/09/1999US5982227 CMOS current source circuit
11/09/1999US5982226 Optimized frequency shaping circuit topologies for LDOs
11/09/1999US5982206 Transcurrent circuit and current-voltage transforming circuit using the transcurrent circuit
11/09/1999US5982201 Low voltage current mirror and CTAT current source and method
11/09/1999US5982162 Internal voltage generation circuit that down-converts external power supply voltage and semiconductor device generating internal power supply voltage on the basis of reference voltage
11/04/1999WO1999056190A1 Temperature tracking voltage-to-current converter
11/03/1999EP0954102A1 Exclusive or/nor circuits
11/03/1999EP0953891A1 Current mirrors
11/03/1999CN2347199Y D. C. voltage-stabilized source
11/02/1999US5978240 Fully differential voltage-current converter
11/02/1999US5977818 Multi-input transistor circuit and multi-input transconductance circuit
11/02/1999US5977817 Current biased mode control circuit
11/02/1999US5977759 Current mirror circuits for variable supply voltages
11/02/1999US5977651 Drive circuit for vehicle occupant safety apparatus
10/1999
10/28/1999DE19818464A1 Referenzspannung-Erzeugungsschaltung Reference voltage generating circuit
10/28/1999DE19817791A1 Referenzspannungsschaltung Reference voltage circuit
10/27/1999EP0952615A1 Memory cell integrated structure and corresponding biasing device
10/27/1999EP0952509A2 Voltage reference circuit
10/27/1999EP0952508A1 Generating circuit for reference voltage
10/27/1999EP0951637A1 Generator for generating voltage proportional to absolute temperature
10/26/1999US5973967 Page buffer having negative voltage level shifter
10/26/1999US5973565 DC bias feedback circuit for MESFET bias stability
10/26/1999US5973550 Junction field effect voltage reference
10/26/1999US5973546 Charge pump circuit architecture
10/26/1999US5973544 Intermediate potential generation circuit
10/26/1999US5973543 Bias circuit for bipolar transistor
10/26/1999US5973487 Methods and apparatus for providing an autocalibrated voltage reference
10/26/1999US5973486 Differential power sensor circuit
10/26/1999US5973458 Sequential feedback control system for an electronic ballast
10/20/1999CN1232318A Semiconductor integrated circuit device
10/19/1999US5969566 Circuit configuration for generating a reference potential
10/19/1999US5969549 Current detection start-up circuit for reference voltage circuit
10/19/1999US5969513 Switched capacitor current source for use in switching regulators
10/13/1999CN1231780A Voltage controlled variable current reference
10/12/1999US5966039 Supply and temperature dependent linear signal generator
10/12/1999US5966026 Output buffer with improved tolerance to overvoltage
10/12/1999US5966007 Current source circuit
10/12/1999US5966006 Voltage regulator generating a predetermined temperature-stable voltage
10/12/1999US5966005 Integrated circuit
10/07/1999WO1999050731A1 Electrical device
10/06/1999CN2342402Y Inductive capacitive AC stabilizer
10/05/1999US5963083 CMOS reference voltage generator
10/05/1999US5963082 Circuit arrangement for producing a D.C. current
10/05/1999US5963066 Semiconductor device which drives low-voltage driven switching device, using low-voltage direct current power source, a diode and a capacitor
10/05/1999US5963057 Integrated circuit
10/05/1999US5963025 For use in a semiconductor integrated circuit
10/05/1999US5963023 Power surge management for high performance integrated circuit
09/1999
09/30/1999WO1999049576A1 High transconductance voltage reference cell
09/30/1999WO1999049376A1 Switched capacitor current source for use in switching regulators
09/30/1999WO1999049321A1 Evaluation circuit for electronic signal transmitters
09/29/1999EP0945774A1 Reference voltage generation circuit providing a stable output voltage
09/29/1999EP0944869A1 High efficiency base current helper
09/28/1999US5959446 High swing current efficient CMOS cascode current mirror
09/28/1999US5959444 MOS transistor circuit and method for biasing a voltage generator
09/23/1999DE19812486A1 Evaluation circuit for electronic signal generator, especially for actuators and sensors
09/22/1999EP0944094A2 Flash memory with improved erasability and its circuitry
09/22/1999EP0943975A1 Bias voltage control circuit for a floating well in a semiconductor integrated circuit
09/22/1999EP0943124A1 High impedance bias circuit for ac signal amplifiers
09/22/1999CN1229556A Circuit for controlling AC/DC power load
09/22/1999CN1229302A Charge pump for generating negative voltage
09/21/1999US5955915 Circuit for limiting the current in a power transistor
09/21/1999US5955914 Voltage regulator for a voltage pump in a DRAM
09/21/1999US5955891 Semiconductor integrated circuit device with output circuit
09/21/1999US5955874 Supply voltage-independent reference voltage circuit
09/21/1999US5955873 Band-gap reference voltage generator
09/15/1999CN1228597A Reference voltage generating circuit with MOS transistors having floating gate
09/14/1999US5953256 Reference voltage generator using flash memory cells
09/14/1999US5952884 Current mirror circuit and semiconductor integrated circuit having the current mirror circuit
09/14/1999US5952874 Threshold extracting method and circuit using the same
09/14/1999US5952873 Low voltage, current-mode, piecewise-linear curvature corrected bandgap reference
09/14/1999US5952871 Substrate voltage generating circuit of semiconductor memory device
09/14/1999US5952860 Amplifier using a single polarity power supply
09/09/1999DE3348377C2 Schaltung zum Umwandeln von Gleichsignalen A circuit for converting DC signals
09/08/1999EP0940907A1 Power supply for mains operated electronic devices, in particular for electric meters and/or remote control receivers, for generating at least a DC voltage with an integral predefined capacity
09/08/1999CN2337599Y Low-noise purified electric source
09/07/1999US5949820 Method for optimizing an equalization and receive filter
09/07/1999US5949289 Voltage regulator circuit and phase-locked loop using same
09/07/1999US5949278 Reference current generator in CMOS technology
09/07/1999US5949277 Nominal temperature and process compensating bias circuit
09/07/1999US5949276 Adjustable bias voltage generating apparatus
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