| 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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| 05/27/2009 | CN100492246C Method and structure of forming reference voltage |
| 05/27/2009 | CN100492245C NMOS reference voltage source with high electric power rejection ratio |
| 05/27/2009 | CN100491921C Voltage sense circuit and method therefor |
| 05/26/2009 | US7538602 Semiconductor integrated circuit with stepped-down voltage generating circuit |
| 05/26/2009 | US7538601 Step-up voltage generator for semiconductor memory and method for controlling the same |
| 05/26/2009 | US7538537 Constant-voltage circuit and controlling method thereof |
| 05/26/2009 | CA2437193C Bias circuit for maintaining a constant value of transconductance divided by load capacitance |
| 05/22/2009 | WO2009064098A2 Method and circuit for controlling radiant heat of transistor using metal-insulator transition device |
| 05/21/2009 | US20090128102 Balancing device |
| 05/20/2009 | CN101436863A Compensation of nonlinearity of single ended digital to analog converters |
| 05/20/2009 | CN101436858A Semiconductor device outputting oscillation signal |
| 05/20/2009 | CN101436846A Piezoelectric oscillator |
| 05/20/2009 | CN101436084A Band-gap voltage source with correcting function |
| 05/20/2009 | CN100490310C Chopped wave automatic zero-stabilizing current-mode instrumentation amplifier |
| 05/20/2009 | CN100489727C Reference voltage circuit |
| 05/20/2009 | CN100489726C Energy gap reference circuit with low supply voltage and method for supplying energy gap energy gap reference current |
| 05/20/2009 | CN100489725C Method for interlocking switching current mirror and stabilizing output current |
| 05/20/2009 | CN100489724C CMOS reference voltage source |
| 05/19/2009 | US7535286 Constant current source apparatus including two series depletion-type MOS transistors |
| 05/19/2009 | US7535285 Band-gap voltage reference circuit |
| 05/19/2009 | US7535281 Reduced time constant charge pump and method for charging a capacitive load |
| 05/19/2009 | US7535212 Constant-current circuit and system power source using this constant-current circuit |
| 05/19/2009 | US7535133 Methods and apparatus for resistance compression networks |
| 05/14/2009 | WO2009059646A1 Auxiliary power supply for stand-by operation |
| 05/14/2009 | WO2009039061A3 Start-up circuit and method for a self-biased zero-temperature-coefficient current reference |
| 05/14/2009 | US20090121912 Circuits and methods to reduce or eliminate signal-dependent modulation of a reference bias |
| 05/14/2009 | US20090121783 Voltage level generating device |
| 05/14/2009 | US20090121750 Constant Current Drive Device |
| 05/14/2009 | US20090121701 Bandgap reference generating circuit |
| 05/14/2009 | US20090121700 Constant voltage circuit |
| 05/14/2009 | US20090121699 Bandgap reference voltage generation circuit in semiconductor memory device |
| 05/14/2009 | US20090121698 Bandgap voltage reference circuits and methods for producing bandgap voltages |
| 05/14/2009 | US20090121686 Power saving charger |
| 05/14/2009 | US20090121666 Frequency converter, motor, motor drive system and maintenance method for motor drive system |
| 05/13/2009 | CN101430574A Control circuit for a bandgap circuit |
| 05/13/2009 | CN101430573A Control circuit for a bandgap circuit |
| 05/12/2009 | US7532063 Apparatus for generating reference voltage in semiconductor memory apparatus |
| 05/12/2009 | US7532061 Charge-pump type, voltage-boosting device with reduced ripple, in particular for non-volatile flash memories |
| 05/12/2009 | US7531999 Startup circuit and startup method for bandgap voltage generator |
| 05/12/2009 | US7531998 Temperature sensing circuit |
| 05/12/2009 | US7531993 Half bridge circuit and method of operating a half bridge circuit |
| 05/07/2009 | US20090115498 Cooperative charge pump circuit and method |
| 05/07/2009 | US20090115497 Power source circuit |
| 05/06/2009 | CN201233548Y Voltage-current conversion circuit |
| 05/06/2009 | CN201233547Y Low voltage difference linear voltage stabilizer for accumulator |
| 05/06/2009 | CN101427192A Circuit arrangement and corresponding method for voltage reference and/or for current reference |
| 05/06/2009 | CN100486087C Voltage reducing converter |
| 05/06/2009 | CN100485572C An ultra-low operating voltage energy gap reference voltage source |
| 05/05/2009 | US7528588 Method and circuit for limiting output voltage in a switched-mode power supply and a switched-mode power supply |
| 04/30/2009 | WO2006051540A3 A method and device for transforming and regulating a voltage signal |
| 04/30/2009 | US20090108918 Methods and apparatus to sense a ptat reference in a fully isolated npn-based bandgap reference |
| 04/30/2009 | US20090108917 Methods and apparatus to produce fully isolated npn-based bandgap reference |
| 04/30/2009 | US20090108916 Pump circuit |
| 04/30/2009 | US20090108675 Threshold voltage control circuit and internal voltage generation circuit having the same |
| 04/30/2009 | DE102007048243B3 Weiterentwickelter Stromspiegel für LED-Treiber-Anwendungen Evolved current mirror for LED Driver Applications |
| 04/29/2009 | EP2053747A1 Circuit architecure for radiation resilience |
| 04/29/2009 | CN100483290C CMOS reference source circuit |
| 04/29/2009 | CN100483289C Step-up device |
| 04/29/2009 | CN100483288C Quiescent current control circuit for high-power amplifiers |
| 04/28/2009 | US7526328 Manual and automatic probe calibration |
| 04/28/2009 | US7525369 Semiconductor circuit apparatus with voltage boost |
| 04/28/2009 | US7525332 On-chip substrate regulator test mode |
| 04/28/2009 | US7524108 Thermal sensing circuits using bandgap voltage reference generators without trimming circuitry |
| 04/23/2009 | US20090102449 Power supply device with voltage converter circuit |
| 04/23/2009 | US20090102437 Power generating apparatus |
| 04/23/2009 | DE102005001803B4 Gleitschiene für einen Türschließer oder dergleichen Slide for a door closer or the like |
| 04/22/2009 | CN101416136A Bias generator |
| 04/22/2009 | CN101414197A Wide input CMOS band-gap reference circuit structure |
| 04/22/2009 | CN101414196A Bandgap reference circuits for providing accurate sub-1V voltages |
| 04/22/2009 | CN100480944C Voltage controlled current source and low voltage difference regulated power supply installed with same |
| 04/22/2009 | CN100480942C Current drive circuit reducing VDS dependency |
| 04/21/2009 | US7521989 Distribution of an electric quantity through a circuit |
| 04/21/2009 | US7521988 Voltage booster for semiconductor device and semiconductor memory device using same |
| 04/21/2009 | US7521912 Power supply apparatus |
| 04/21/2009 | US7521911 Switching power supply capable of always switching a switching element at an optimal timing |
| 04/16/2009 | US20090096438 Voltage control circuit |
| 04/15/2009 | EP2047349A1 Voltage supply circuit and method |
| 04/15/2009 | CN201222719Y High-precision ring oscillator |
| 04/15/2009 | CN101409449A Circuit structure for photovoltaic power generation system |
| 04/15/2009 | CN100478824C CMOS reference voltage source with adjustable output voltage |
| 04/14/2009 | US7518431 Semiconductor integrated circuit for processing audio and video signals |
| 04/14/2009 | US7518406 Current supply circuit, ring oscillator, nonvolatile semiconductor device and electronic card and electronic device |
| 04/09/2009 | WO2009046151A1 Dual-path current amplifier |
| 04/09/2009 | WO2009046150A1 Bandgap reference circuit with reduced power consumption |
| 04/09/2009 | WO2008067550A3 Dual voltage power supply |
| 04/09/2009 | WO2005015491A3 Graphic user interface and method for creating slide shows |
| 04/09/2009 | US20090091311 Circuit for generating reference voltage of semiconductor memory apparatus |
| 04/09/2009 | US20090090152 Systems and methods for providing control and disposal of waste materials |
| 04/08/2009 | CN101405672A High-win circuit for multi-phase current mode control |
| 04/08/2009 | CN101404490A Current-mode differential transmitter and receiver |
| 04/08/2009 | CN100476682C Ultra-low voltage reference source |
| 04/08/2009 | CN100476681C Constant voltage generator and electronic equipment using the same |
| 04/08/2009 | CN100476680C Automatic shift current mirror |
| 04/08/2009 | CN100476679C Precision chopper-stabilized current mirror |
| 04/08/2009 | CN100476678C Constant voltage generating circuit |
| 04/08/2009 | CN100476677C Power supply apparatus and electronic device having the same |
| 04/08/2009 | CN100476672C High precision digital-to-analog converter with optimized power consumption |
| 04/07/2009 | US7514998 Wide-temperature integrated operational amplifier |
| 04/07/2009 | US7514984 Charge pumping circuit and direct current converting apparatus using the same |
| 04/07/2009 | US7514907 Device, system, and method for providing a low-voltage fault ride-through for a wind generator farm |