| Patents for G05F 1 - Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems (37,749) |
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| 06/17/2004 | US20040117676 Method of controlling signal generator |
| 06/17/2004 | US20040113680 Device for controlling a circuit generating reference voltages |
| 06/17/2004 | US20040113663 An improved voltage to current converter circuit |
| 06/17/2004 | US20040113601 Power supply circuit and testing device |
| 06/17/2004 | US20040113599 Power supply circuit with series regulator |
| 06/17/2004 | US20040113598 Switching regulator |
| 06/17/2004 | US20040113595 Voltage regulator and electronic device |
| 06/16/2004 | EP1429394A2 Photovoltaic power generating apparatus, method of producing the same and photovoltaic power generating system |
| 06/16/2004 | EP1429222A1 Buck converter |
| 06/16/2004 | EP1429221A1 Power supply ic having switching regulator and series regulator |
| 06/16/2004 | EP1428309A1 Device for measuring a chopped current |
| 06/16/2004 | EP1428237A1 Safety switch device for safe disconnection of an electric consumer |
| 06/16/2004 | EP1428093A1 Amplifier having a variable power factor |
| 06/16/2004 | EP0974083A4 Flicker controllers using voltage source converters |
| 06/16/2004 | CN1504852A Stabilized voltage type multichannel pulsewave width modulating converter |
| 06/16/2004 | CN1504851A Multichannel pulsewave width modulating converter with balanced current |
| 06/15/2004 | US6751109 Dual input AC/DC/ battery operated power supply |
| 06/15/2004 | US6750797 Programmable precision current controlling apparatus |
| 06/15/2004 | US6750701 Current mirror circuit and current source circuit |
| 06/15/2004 | US6750638 Linear regulator with output current and voltage sensing |
| 06/10/2004 | WO2004049539A1 A device and a method for control of power flow in a transmission line |
| 06/10/2004 | WO2004049089A2 Method for reducing the current consumption of a microprocessor provided with a watchdog circuit |
| 06/10/2004 | US20040108870 Apparatus and method to correct a reference voltoge |
| 06/10/2004 | US20040108844 Digital potentiometer including output buffer |
| 06/10/2004 | US20040108842 Power supply unit |
| 06/09/2004 | EP1427105A2 Pulse width modulator |
| 06/09/2004 | DE10255430A1 Verfahren zur Reduzierung des Stromverbrauchs eines Mikroprozessors mit Watchdog-Schaltung A method for reducing the power consumption of a microprocessor with watchdog circuit |
| 06/09/2004 | CN2620303Y Balance voltage regulator for electrostatic ion fan |
| 06/09/2004 | CN1503443A Stabilized DC power supply device |
| 06/09/2004 | CN1503379A Solar electricity generator and mfg method, solar electricity generation system |
| 06/09/2004 | CN1153348C Circuit for controlling a pulse width modulator in a switched-mode power supply |
| 06/09/2004 | CN1153324C 辅助电源 Auxiliary power |
| 06/09/2004 | CN1153108C Linear voltage-stabilizing device capable of absorbing feedback current |
| 06/09/2004 | CN1153107C 稳压电路 Regulator circuit |
| 06/08/2004 | US6747860 Power-supply feedthrough protection circuit for 5-volt failsafe CMOS drivers |
| 06/08/2004 | US6747506 Charge pump architecture |
| 06/08/2004 | US6747440 Voltage regulator circuit for smart card ICs |
| 06/03/2004 | WO2004047275A1 System and method for providing digital pulse width modulation |
| 06/03/2004 | US20040107370 Method and apparatus for supplying power to electronic circuits |
| 06/03/2004 | US20040105198 Power supply apparatus and its method |
| 06/03/2004 | US20040104831 Variable bandgap reference and applications thereof |
| 06/03/2004 | US20040104712 Constant voltage power supply |
| 06/03/2004 | US20040104711 Voltage regulator |
| 06/03/2004 | DE202004004623U1 High-bay or -shelf power supply unit e.g. for laboratories or lecture theatres, has control parameter defining control characteristic supplied to control section via interface |
| 06/03/2004 | DE10254821A1 Spannungsreglerschaltung The voltage regulator circuit |
| 06/02/2004 | EP1424615A1 Semiconductor device for detecting and adjusting a threshold value variation |
| 06/02/2004 | CN2619407Y Small static high voltage power supply and detector |
| 06/02/2004 | CN1501573A Power supply device and liquid crystal display device using the same |
| 06/02/2004 | CN1501499A Semiconductor device having voltage feedback circuit therein, and electronic apparatus using the same |
| 06/01/2004 | US6744305 Power supply circuit having value of output voltage adjusted |
| 06/01/2004 | US6744303 Method and apparatus for tunneling leakage current compensation |
| 06/01/2004 | US6744243 System and method for dynamically regulating a step down power supply |
| 06/01/2004 | US6744242 Four-state switched decoupling capacitor system for active power stabilizer |
| 05/27/2004 | WO2004045056A1 Apparatus for producing an output voltage to power an electronic device |
| 05/27/2004 | WO2004045041A1 Control device for automatic machine |
| 05/27/2004 | WO2004006037A3 Output regulator |
| 05/27/2004 | WO2003032104A3 Method of supplying power to low supply voltage power consumers |
| 05/27/2004 | US20040100238 Power supply apparatus |
| 05/27/2004 | US20040100236 Device for disconnecting and switching a load |
| 05/27/2004 | US20040100235 Voltage down converter |
| 05/27/2004 | US20040100234 Stabilized DC power supply device |
| 05/27/2004 | US20040100231 Voltage regulator circuit |
| 05/27/2004 | US20040100230 Device and a method for control of power flow in a transmission line |
| 05/26/2004 | EP1422819A1 System for controlling a load, particularly a DC motor |
| 05/26/2004 | EP1422588A1 Constant voltage power supply |
| 05/26/2004 | EP1421456A2 Voltage regulator allow frequency response correction |
| 05/26/2004 | CN2618349Y Power supplier of non-contact card |
| 05/26/2004 | CN1499328A Current leakage compensator and its compensating method |
| 05/26/2004 | CN1499327A 电子式电源稳压器 Electronic power regulator |
| 05/26/2004 | CN1151593C All-weather reactive power self-compensating stati capacitor shield |
| 05/26/2004 | CN1151413C Series electronic switching power source device |
| 05/25/2004 | US6741041 Power controller |
| 05/21/2004 | WO2004042910A2 Electric motor control system including position determination and error correction |
| 05/21/2004 | WO2004042782A2 Apparatus and method for implementing a constant transconductance circuit |
| 05/21/2004 | WO2004021098A3 Mos current reference compensation |
| 05/21/2004 | WO2004008619A3 Inverter |
| 05/21/2004 | WO2004008500A3 Method of protecting semiconductor device and protection apparatus for semiconductor device using the same |
| 05/21/2004 | WO2003102709A3 Multimode voltage regulator |
| 05/20/2004 | US20040098632 Amplifying circuit, speaker system, and mobile information terminal employing amplifying circuit |
| 05/20/2004 | US20040095701 High bandwidth, high PSRR, low dropout voltage regulator |
| 05/20/2004 | US20040095667 Voltage regulator operable over a wide range of supply voltage |
| 05/20/2004 | US20040095122 System and method for providing digital pulse width modulation |
| 05/20/2004 | US20040095116 Power converter circuitry and method |
| 05/20/2004 | US20040095105 Power supply device and liquid crystal display device using the same |
| 05/20/2004 | US20040095102 Method and apparatus for a photomultiplier power supply |
| 05/19/2004 | EP1419571A1 Thermal compensation method and device for circuits with temperature-dependent current sensing elements |
| 05/19/2004 | EP1419570A2 Thermally compensated current sensing of intrinsic power converter elements |
| 05/19/2004 | EP1254444B1 Supply current regulator for two-wire sensors |
| 05/19/2004 | DE10251476A1 Voltage converter for motor vehicle electronics supply produces lower output voltage dc from higher input voltage and has two voltage regulators and an intermediate voltage |
| 05/19/2004 | DE10249327A1 Voltage source especially for semiconductor memory cells can rapidly change output from one voltage to another and has two control units |
| 05/19/2004 | DE10059142B4 Strombegrenzungsapparat Current limiting apparatus |
| 05/19/2004 | CN2617069Y Raid intelligent power factor dynamic compensating device |
| 05/19/2004 | CN1497825A Power supply decoupling device and method for parallel terminal transmission |
| 05/19/2004 | CN1497605A Internal voltage convertor conception for controlling power-on slope of internal supply voltage |
| 05/19/2004 | CN1497405A Voltag regulator |
| 05/18/2004 | US6738272 Charge pump rush current limiting circuit |
| 05/18/2004 | US6737912 Resistance division circuit and semiconductor device |
| 05/18/2004 | US6737910 Semiconductor integrated circuit with constant internal power supply voltage |
| 05/18/2004 | US6737846 Method and voltage feedback circuitry for improving the performance of APFC converters |
| 05/18/2004 | US6737839 Semiconductor integrated circuit with selectable power supply units for different operation modes |