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) |
---|
06/02/1999 | EP0835483B1 Circuit arrangement for current transformation |
06/02/1999 | DE19755130C1 Pufferschaltung Buffer circuit |
06/02/1999 | CN1218560A Method and device for temperature dependent current generation |
06/01/1999 | US5909128 FETs logic circuit |
05/25/1999 | US5907505 Power source circuit device used for a semiconductor memory |
05/25/1999 | US5907255 Dynamic voltage reference which compensates for process variations |
05/20/1999 | WO1999025067A1 Phase locked loop charge pump circuit |
05/20/1999 | WO1999024801A1 Generator for generating voltage proportional to absolute temperature |
05/19/1999 | EP0916187A1 Voltage controlled variable current reference |
05/18/1999 | US5905452 Current source cell apparatus for digital/analog converter |
05/14/1999 | WO1999016172A3 Temperature compensation in electronic devices |
05/12/1999 | EP0915409A1 Electronic circuit, semiconductor device, electronic equipment, and clock |
05/12/1999 | EP0915408A1 High voltage regulator and corresponding voltage regulation method |
05/12/1999 | EP0915407A1 Temperature correlated voltage generator circuit and corresponding voltage regulator for a single power memory cell, particularly of the FLASH-type |
05/12/1999 | EP0914707A1 Charge pump circuit architecture |
05/12/1999 | EP0842461B1 Circuitry for supplying the base bias voltage of current source transistors in bipolar ic circuits |
05/11/1999 | US5903513 Semiconductor integrated circuit device with clock frequency invariant voltage step-down circuit |
05/11/1999 | US5903183 Constant voltage circuit and constant voltage/constant current changeover circuit |
05/11/1999 | US5903177 Compensation network for pinch off voltage sensitive circuits |
05/11/1999 | US5903141 Current reference device in integrated circuit form |
05/11/1999 | US5903012 Process variation monitor for integrated circuits |
05/06/1999 | EP0913756A2 A voltage regulator |
05/06/1999 | EP0913755A2 Voltage converter |
05/06/1999 | EP0913754A1 Switchable DC voltage regulation circuit |
05/04/1999 | US5900777 For use in a machine |
05/04/1999 | US5900774 Direct current differential base voltage generating circuit |
05/04/1999 | US5900773 Precision bandgap reference circuit |
05/04/1999 | US5900772 Bandgap reference circuit and method |
05/04/1999 | US5900765 Bias circuit |
05/04/1999 | US5900725 Circuit arrangement for current transformation |
04/28/1999 | EP0911978A1 Generation of temperature compensation low noise symmetrical reference voltages |
04/28/1999 | EP0910820A1 Low voltage bias circuit for generating supply-independent bias voltages and currents |
04/28/1999 | EP0602197B1 Integrated cmos semiconductor circuit |
04/28/1999 | CN1215508A Device including a thermally protected switching transistor |
04/27/1999 | US5898335 High voltage generator circuit |
04/27/1999 | US5898324 High voltage detector circuit |
04/27/1999 | US5898297 Differential high speed driver for low voltage operation |
04/27/1999 | US5898235 Integrated circuit with power dissipation control |
04/21/1999 | EP0910002A1 Method for providing a current of high accuracy |
04/14/1999 | EP0907916A1 Apparatus and method for generating a current with a positive temperature coefficient |
04/14/1999 | EP0904545A3 Current and voltage sensing |
04/13/1999 | US5894215 Shunt voltage regulator utilizing a floating reference voltage |
04/07/1999 | CN1213229A Variable current source |
04/06/1999 | US5892647 Overcurrent detection circuit |
04/06/1999 | US5892402 High precision current output circuit |
04/06/1999 | US5892400 Amplifier using a single polarity power supply and including depletion mode FET and negative voltage generator |
04/06/1999 | US5892394 Intelligent bias voltage generating circuit |
04/06/1999 | US5892392 Device for setting a bias source at stand-by |
04/06/1999 | US5892390 Internal power supply circuit with low power consumption |
04/06/1999 | US5892388 Low power bias circuit using FET as a resistor |
04/06/1999 | US5892356 High impedance large output voltage regulated cascode current mirror structure and method |
04/06/1999 | US5892355 Current and voltage-sensing |
04/06/1999 | US5892336 Circuit for energizing cold-cathode fluorescent lamps |
04/06/1999 | US5892260 SOI-type semiconductor device with variable threshold voltages |
04/01/1999 | WO1999016172A2 Temperature compensation in electronic devices |
04/01/1999 | WO1999015943A1 High impedance bias circuit for ac signal amplifiers |
04/01/1999 | WO1998048334A9 Precision bandgap reference circuit |
04/01/1999 | CA2270938A1 High impedance bias circuit for ac signal amplifiers |
03/31/1999 | EP0905710A1 Voltage regulator with voltage drop compensation for a programming circuitry of non-volatile electrically programmable memory cells |
03/31/1999 | EP0905598A1 Switchable current source circuit |
03/31/1999 | EP0904576A1 Power supply circuit |
03/31/1999 | EP0904545A2 Current and voltage sensing |
03/30/1999 | US5889431 Current mode transistor circuit method |
03/30/1999 | US5889430 Current mode transistor circuit |
03/30/1999 | US5889426 Integrated circuit device having a bias circuit for an enhancement transistor circuit |
03/30/1999 | US5889395 Integrated low voltage regulator for high capacitive loads |
03/30/1999 | US5889394 Temperature independent current reference |
03/23/1999 | US5886932 Composite mode substrate voltage generation circuit for dynamic random access memory |
03/23/1999 | US5886571 Constant voltage regulator |
03/23/1999 | US5886568 Open-loop MR biasing circuit with high power supply and common mode rejection |
03/23/1999 | US5886566 High voltage charge transfer stage |
03/23/1999 | US5886546 Current/voltage converter, sense amplifier and sensing method using same |
03/23/1999 | US5886511 Temperature insensitive foldback network |
03/18/1999 | DE19813707A1 Voltage level conversion circuit |
03/16/1999 | US5883798 Voltage/current conversion circuit |
03/16/1999 | US5883544 Integrated circuit actively biasing the threshold voltage of transistors and related methods |
03/16/1999 | US5883543 Circuit configuration for generating a reference potential |
03/16/1999 | US5883507 Low power temperature compensated, current source and associated method |
03/16/1999 | US5883504 Power supply unit |
03/16/1999 | US5883501 Power supply circuit |
03/16/1999 | US5883479 BEMF rectification during power off to prevent parasitic effect |
03/11/1999 | WO1998058301A3 A circuit for controlling an ac/dc buzzer load |
03/10/1999 | EP0901058A1 Two stage current mirror |
03/10/1999 | EP0900419A1 A method and device for temperature dependent current generation |
03/10/1999 | EP0610430B1 Analog-to-digital converter and method of fabrication |
03/10/1999 | CN1210338A Conductor integrated circuit device with improved characters at low voltage ranges |
03/09/1999 | US5881015 Internal constant voltage control circuit for memory device |
03/09/1999 | US5881014 Semiconductor memory device with a voltage down converter stably generating an internal down-converter voltage |
03/09/1999 | US5880625 Temperature insensitive constant current generator |
03/09/1999 | US5880623 Power supply control techniques for FET circuits |
03/09/1999 | US5880619 Low power precision voltage splitter |
03/09/1999 | US5880593 On-chip substrate regulator test mode |
03/09/1999 | US5880582 Current mirror circuit and reference voltage generating and light emitting element driving circuits using the same |
03/09/1999 | US5880579 VCO supply voltage regulator for PLL |
03/03/1999 | EP0899645A2 Field effect transistors |
03/03/1999 | EP0899644A2 Bias voltage stabilizing circuit |
03/02/1999 | US5877985 Intermediate voltage generating circuit and nonvolatile semiconductor memory having the same |
03/02/1999 | US5877928 Electronic circuit device |
03/02/1999 | US5877651 Semiconductor memory device that can have power consumption reduced |
03/02/1999 | US5877617 Load current supply circuit having current sensing function |