| 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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| 03/12/2008 | CN101140478A Low pressure difference linearity voltage stabilizer for enhancing performance by amplifier embedded compensation network |
| 03/11/2008 | US7342439 Current bias circuit and current bias start-up circuit thereof |
| 03/11/2008 | US7342391 Power supply device and switching power supply device |
| 03/11/2008 | US7342390 Reference voltage generation circuit |
| 03/06/2008 | US20080059000 Energy source monitoring and control system |
| 03/06/2008 | US20080054993 Amplifier apparatus and method |
| 03/06/2008 | US20080054984 High voltage gate driver ic with ramp driver |
| 03/06/2008 | US20080054871 Temperature compensating circuit |
| 03/06/2008 | US20080053218 Control Unit and Control Device Comprising the Control Unit |
| 03/05/2008 | EP1673671B1 Power system inhibit method and device and structure therefor |
| 03/05/2008 | CN101136248A Charge pump output high-pressure control device |
| 03/05/2008 | CN101135919A Low power reference voltage circuit |
| 03/05/2008 | CN101135918A E/D NMOS reference voltage source with high electric power rejection ratio |
| 03/05/2008 | CN100373283C Negative temperature compensating current generating circuit and temperature compensating current reference source |
| 02/28/2008 | US20080048769 Balance compensation circuit for multi-power-output voltage |
| 02/28/2008 | US20080048768 Circuit |
| 02/28/2008 | US20080048741 Adaptive bandwidth phase locked loops with current boosting circuits |
| 02/28/2008 | US20080048634 Reference Circuit |
| 02/27/2008 | CN101133543A Switching regulator and electronic device incorporating the same |
| 02/27/2008 | CN101131593A Current source |
| 02/27/2008 | CN101131592A Band-gap reference source with high power supply restraint |
| 02/26/2008 | US7336108 Semiconductor integrated circuit with stepped-up voltage pump circuit |
| 02/21/2008 | US20080042731 High efficiency bi-directional charge pump circuit |
| 02/21/2008 | US20080042730 Internal voltage generating circuit and method for generating internal voltage using the same |
| 02/21/2008 | US20080042635 Voltage regulator |
| 02/20/2008 | CN201025692Y Electronic energy saver |
| 02/19/2008 | US7334190 Interactive video tour system editor |
| 02/19/2008 | US7332957 Constant current circuit |
| 02/19/2008 | US7332897 DC-DC converter |
| 02/14/2008 | US20080036639 Reference voltage generation circuit and pipe line analog-to-digital converter using the same |
| 02/14/2008 | US20080036442 Constant-current circuit and system power source using this constant-current circuit |
| 02/14/2008 | US20080036441 Voltage regulating circuit having voltage stabilizing circuits |
| 02/13/2008 | EP1652189B8 Area efficient charge pump |
| 02/13/2008 | EP1652020B1 A control circuit for diode based rf circuits |
| 02/13/2008 | CN101124621A Mechanical motion sensor and low-power trigger circuit |
| 02/13/2008 | CN101122804A Low-voltage-difference voltage-stablizer |
| 02/13/2008 | CN100369262C Field effect transistor, integrated circuit and manufacturing method |
| 02/12/2008 | US7330020 Voltage regulation unit with zener diode and voltage regulation device thereof |
| 02/07/2008 | US20080031021 Ac/Dc Converter with Low Anharmonic Currents |
| 02/07/2008 | US20080030185 Reporting power requirements of a powered device |
| 02/06/2008 | CN100367668C Semiconductor integrated circuit device |
| 02/05/2008 | US7327186 Fast wide output range CMOS voltage reference |
| 02/05/2008 | US7327183 Squaring cells and multipliers using summed exponentials |
| 02/05/2008 | US7327053 Electronic power circuit |
| 02/05/2008 | US7325749 Distributed solid state programmable thermostat/power controller |
| 01/31/2008 | WO2008011905A1 Voltage supply circuit and method |
| 01/31/2008 | US20080024204 Current comparison based voltage bias generator for electronic data storage devices |
| 01/31/2008 | US20080024202 High voltage generating circuit preserving charge pumping efficiency |
| 01/31/2008 | US20080024201 High voltage generating circuit preserving charge pumping efficiency |
| 01/31/2008 | US20080024200 High voltage generating circuit preserving charge pumping efficiency |
| 01/31/2008 | US20080024106 Powered device including a detection signature resistor |
| 01/31/2008 | US20080024105 Method and apparatus for adjusting a reference |
| 01/31/2008 | DE102006034695A1 Auto-range current mirror circuit for use in driving circuit of LED, has current sensing circuit that outputs controlling signal to front and rear stage current mirrors, to adjust amplifying rate according to present input current |
| 01/31/2008 | DE102006031549A1 Bandabstandsreferenzschaltung mit einer Hochfahrschaltung und Verfahren zum Hochfahren einer Bandabstandsreferenzschaltung Bandgap reference circuit with a start-up circuit and method of powering up a bandgap reference circuit |
| 01/30/2008 | EP1882998A1 Method and apparatus for adjusting a reference |
| 01/30/2008 | CN101114178A Method and apparatus for adjusting a reference |
| 01/30/2008 | CN101114177A Voltage controlled current source and frequency sweep device using same |
| 01/30/2008 | CN100365693C Voltage stabilizing compensating type follower |
| 01/29/2008 | US7323926 Charge pump circuit |
| 01/29/2008 | US7323857 Current source with adjustable temperature coefficient |
| 01/29/2008 | US7323856 Power efficient startup circuit for activating a bandgap reference circuit |
| 01/24/2008 | US20080018321 Headroom compensation circuit for voltage converter |
| 01/24/2008 | US20080018320 Current Balance Arrangment |
| 01/24/2008 | US20080018319 Low supply voltage band-gap reference circuit and negative temperature coefficient current generation unit thereof and method for supplying band-gap reference current |
| 01/24/2008 | US20080018318 Negative voltage generator |
| 01/24/2008 | US20080018317 Bandgap reference circuit |
| 01/24/2008 | US20080018316 Non-linearity compensation circuit and bandgap reference circuit using the same |
| 01/24/2008 | US20080018315 Constant current supply circuit |
| 01/24/2008 | DE19838657B4 Schaltungsanordnung zum Erfassen des Laststromes eines Leistungs-Feldeffekt-Halbleiterbauelementes Circuit arrangement for detecting the load current of a power field effect semiconductor component |
| 01/23/2008 | EP1881391A1 Constant current circuit, and inverter and oscillation circuit using such constant current circuit |
| 01/23/2008 | CN101110257A Negative voltage generator |
| 01/23/2008 | CN101109972A Novel CMOS voltage reference source without BJT structure |
| 01/22/2008 | US7321257 Semiconductor device capable of detecting an open bonding wire using weak current |
| 01/22/2008 | US7321256 Highly reliable and zero static current start-up circuits |
| 01/22/2008 | US7321225 Voltage reference generator circuit using low-beta effect of a CMOS bipolar transistor |
| 01/17/2008 | US20080012630 Semiconductor device including current mirror circuit |
| 01/16/2008 | CN101106130A Power system inhibit method and device and structure therefor |
| 01/16/2008 | CN101105700A Band-gap reference circuit |
| 01/16/2008 | CN101105699A Output voltage adjustable band gap reference voltage circuit |
| 01/16/2008 | CN101105698A Band-gap reference circuit |
| 01/16/2008 | CN100362592C Semiconductor memory element and its control method |
| 01/15/2008 | US7319360 Modulator |
| 01/15/2008 | US7319314 Replica regulator with continuous output correction |
| 01/10/2008 | WO2008005023A1 Low drop-out current source and method therefor |
| 01/10/2008 | WO2007129259A3 Electronic circuit and method therefor |
| 01/10/2008 | WO2007081634B1 Low power bandgap reference circuit with increased accuracy and reduced area consumption |
| 01/10/2008 | WO2006099161A3 A mosfet temperature compensation current source |
| 01/10/2008 | US20080007244 Electronic Circuits and Methods for Starting Up a Bandgap Reference Circuit |
| 01/10/2008 | US20080007243 Reference voltage generation circuit |
| 01/10/2008 | US20080007242 Power supply circuit |
| 01/10/2008 | DE19724277B4 Interne Quellenspannungserzeugungsschaltung Internal source voltage generating circuit |
| 01/09/2008 | CN201004193Y P channel high power constant current two end module |
| 01/09/2008 | CN101101493A Electronic circuits and methods for starting up a bandgap reference circuit |
| 01/09/2008 | CN101101492A Piecewise linearly compensated CMOS bandgap voltage reference |
| 01/08/2008 | US7317347 Charge pump circuit with reuse of accumulated electrical charge |
| 01/08/2008 | US7317307 Circuit arrangement for load regulation in the receive path of a transponder |
| 01/08/2008 | US7317304 Inductive load driving device |
| 01/08/2008 | US7317303 Rectified power supply |
| 01/08/2008 | US7317265 Method and apparatus for power management |
| 01/03/2008 | WO2008001255A1 A constant voltage generating device |