| 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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| 10/15/2009 | DE102008018236A1 Thermal variation equalization and/or partial compensation circuit, has current source connected with temperature compensation unit for compensating thermal variations of source, where unit has diode with negative temperature coefficient |
| 10/14/2009 | CN101557221A Drive integrated circuit and motor driver comprising the circuit |
| 10/14/2009 | CN101556481A Precisely matched image current source circuit |
| 10/14/2009 | CN100550560C Overcurrent protection circuit |
| 10/14/2009 | CN100549900C Current generating apparatus and feedback-controlled system utilizing the current generating apparatus |
| 10/14/2009 | CN100549899C Startup circuit and startup method for bandgap voltage generator |
| 10/13/2009 | US7602236 Band gap reference voltage generation circuit |
| 10/13/2009 | US7602233 Voltage multiplier with improved efficiency |
| 10/13/2009 | US7602232 Programmable fractional charge pump for DC-DC converter |
| 10/13/2009 | US7602231 Charge-pump circuit |
| 10/13/2009 | US7602161 Voltage regulator with inherent voltage clamping |
| 10/13/2009 | US7602085 Coal energy utilization system having superconducting power transmission |
| 10/08/2009 | US20090251213 Method for adjusting threshold voltage and circuit therefor |
| 10/08/2009 | US20090251204 Temperature Compensated Work Function Based Voltage Reference |
| 10/08/2009 | US20090251123 Self-Referencing Voltage Regulator |
| 10/08/2009 | US20090251122 Method for DC/DC Conversion and DC/DC Converter Arrangement |
| 10/08/2009 | US20090251121 Method and apparatus providing final test and trimming for a power supply controller |
| 10/07/2009 | CN201323551Y Fully-differential voltage-controlled oscillator circuit |
| 10/07/2009 | CN101551690A Low-noise gap benchmark voltage circuit controlled by numerical switch |
| 10/07/2009 | CN101551689A Constant-current source circuit for hot resistance calibration system of device aging screening machine |
| 10/06/2009 | US7598802 Semiconductor integrated circuit apparatus and electronic apparatus |
| 10/06/2009 | US7598798 Trimmer device and related trimming method |
| 10/01/2009 | WO2009118267A1 A bias current generator |
| 10/01/2009 | WO2009118266A1 A bandgap voltage reference circuit |
| 10/01/2009 | WO2009100143A3 Laser diode / led drive circuit |
| 10/01/2009 | US20090243714 Power noise immunity circuit |
| 10/01/2009 | US20090243713 Reference voltage circuit |
| 10/01/2009 | US20090243710 Firewall/isolation cells for ultra low power products |
| 10/01/2009 | US20090243708 Bandgap voltage reference circuit |
| 10/01/2009 | US20090243671 Disturbance suppression capable charge pump |
| 10/01/2009 | US20090243670 Self-regulated charge pump with loop filter |
| 10/01/2009 | US20090243581 Electrical outlet device |
| 09/30/2009 | CN201319154Y Ultra-low voltage dropout linear voltage stabilizing circuit |
| 09/30/2009 | CN101546986A Operational amplifier capable of improving turnover |
| 09/30/2009 | CN101546203A Method and apparatus for synchronous buck with active negative current modulation |
| 09/29/2009 | US7596006 Reducing output ripple from a switched mode power converter |
| 09/29/2009 | US7595732 Power generating circuit |
| 09/29/2009 | US7595627 Voltage reference circuit with complementary PTAT voltage generators and method |
| 09/29/2009 | US7595626 System for matched and isolated references |
| 09/29/2009 | US7595625 Current mirror |
| 09/24/2009 | US20090237151 Temperature compensation circuit |
| 09/24/2009 | US20090237064 Switched mode power supply for a transmitter |
| 09/24/2009 | US20090237063 In-Circuit programming of output voltage and output current characteristics of a PSR power supply |
| 09/24/2009 | US20090237062 Single-chip common-drain JFET device and its applications |
| 09/24/2009 | US20090237039 Method of controlling a dc-dc convertor in discontinuous mode |
| 09/24/2009 | DE102008014775A1 Current mirror arrangement, has current mirrors and conversion device connected with reference output and current mirror input, and compensation output providing reference error current, which is equal to amount of error current |
| 09/23/2009 | CN101540586A Operational amplifier, temperature-dependent system and bandgap reference circuit |
| 09/23/2009 | CN101540557A Dewatering power supply for rectangular-wave alternating-current crude oil |
| 09/23/2009 | CN100543632C Precision voltage/current reference circuit using current mode technique for CMOS |
| 09/22/2009 | US7592861 Reference voltage generation circuit, and constant voltage circuit using the reference voltage generation circuit |
| 09/22/2009 | US7592859 Apparatus to compare an input voltage with a threshold voltage |
| 09/22/2009 | US7592856 Charge pump circuit driver circuit having a plurality of oscillators |
| 09/22/2009 | US7592854 Temperature sensing circuit |
| 09/17/2009 | WO2009114023A1 System and method of using residual voltage from a prior operation to establish a bias voltage for a subsequent operation |
| 09/17/2009 | US20090231021 Semiconductor Device |
| 09/17/2009 | US20090230941 Welding or cutting power supply using phase shift double forward converter circuit (psdf) |
| 09/17/2009 | US20090230940 Voltage regulation system using abrupt metal-insulator transition |
| 09/17/2009 | US20090230770 Internal Power Supply Circuit Having a Cascode Current Mirror Circuit |
| 09/17/2009 | DE19805373B4 Schaltungsanordnung für Netzteile Circuitry for power supplies |
| 09/16/2009 | EP2101241A1 Driver circuit, method for operating and use of a current mirror of a driver circuit |
| 09/16/2009 | CN101534589A Method and device for controlling the illumination intensity of automobile-used LED illuminating system |
| 09/16/2009 | CN101533674A Architecture and method for a voltage pump shared by a plurality of nonvolatile memories |
| 09/16/2009 | CN101533288A A closed-loop curvature compensation CMOS band-gap reference voltage source |
| 09/16/2009 | CN100541382C Bandgap voltage reference circuit with high power supply rejection ratio (PSRR) and curvature correction |
| 09/15/2009 | US7589584 Programmable voltage regulator with dynamic recovery circuits |
| 09/15/2009 | US7589582 Multi-level voltage generator |
| 09/15/2009 | US7589517 Adaptive slope compensation for switching regulators |
| 09/15/2009 | US7589513 Reference voltage generator circuit |
| 09/11/2009 | WO2009111257A2 Vt STABILIZATION OF TFTs IN OLED BACKPLANES |
| 09/10/2009 | US20090226262 Electrical Power System for a Subsea System |
| 09/10/2009 | US20090224823 Internal voltage generating circuit and semiconductor integrated circuit device |
| 09/10/2009 | US20090224819 Constant current circuit, and inverter and oscillation circuit using such constant current circuit |
| 09/10/2009 | US20090224746 Correcting circuit, correcting method, and sensor apparatus |
| 09/10/2009 | US20090224745 Dc-dc converter |
| 09/10/2009 | US20090224732 Power supply unit |
| 09/09/2009 | CN101527113A Pixel circuit, device for driving display and method for driving pixel |
| 09/09/2009 | CN101526826A Reference voltage generating device |
| 09/09/2009 | CN100538585C Device for generating voltage correlative to temperature |
| 09/09/2009 | CN100538584C Output voltage compensating circuit and method for a floating gate reference voltage generator |
| 09/08/2009 | US7587262 Temperature averaging thermal sensor apparatus and method |
| 09/08/2009 | US7586361 Semiconductor device comprising a charge pump operated by clock signals |
| 09/08/2009 | US7586297 Soft start circuit, power supply unit and electric equipment |
| 09/03/2009 | US20090219078 Charge pump down circuit and method for the same |
| 09/03/2009 | US20090219077 Voltage multiplier with improved efficiency |
| 09/03/2009 | US20090219006 Electric power converter |
| 09/02/2009 | EP1803045A4 Cmos constant voltage generator |
| 09/02/2009 | CN101523324A Start-up circuit for bandgap circuit |
| 09/02/2009 | CN101521968A Current regulator and control method thereof |
| 09/02/2009 | CN101521488A Voice drive circuit for reducing sonic boom when switching on and shutting down |
| 09/02/2009 | CN101521191A Series connection electricity utilization signal processing circuit and electronic device |
| 09/02/2009 | CN100535821C Band-gap reference circuit |
| 09/01/2009 | US7583135 Auto-nulled bandgap reference system and strobed bandgap reference circuit |
| 09/01/2009 | US7583132 Charge pump circuit |
| 09/01/2009 | US7583122 Receiver of digital signals having a variable hysteresis, in particular for audio digital application |
| 09/01/2009 | US7583070 Zero power start-up circuit for self-bias circuit |
| 08/27/2009 | WO2006061742A3 Reference voltage generator providing a temperature-compensated output voltage |
| 08/27/2009 | US20090213666 Low voltage operation bias current generation circuit |
| 08/27/2009 | US20090213513 Speed controller including a device for protection against overcurrents and overvoltages |
| 08/27/2009 | US20090212854 Asymmetric Segmented Channel Transistors |
| 08/27/2009 | US20090212749 Semiconductor device and voltage divider circuit |