| 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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| 05/18/2004 | US6737837 Device and a method for control of power flow in a transmission line |
| 05/13/2004 | WO2004040760A1 Circuit arrangement for regulating voltage |
| 05/13/2004 | US20040090262 Half voltage generator having low power consumption |
| 05/13/2004 | US20040090215 DC-dc converter |
| 05/13/2004 | US20040090214 Hybrid reactive power compensation device |
| 05/13/2004 | US20040090213 Current modulation of direct current transmission lines |
| 05/13/2004 | US20040090212 Hybrid reactive power compensation device |
| 05/13/2004 | DE4406371B4 Verfahren zur Helligkeitssteuerung für Glühlampen und Schaltnetzteile Method for controlling the brightness of bulbs and Switching Power Supplies |
| 05/13/2004 | DE10349663A1 Elektrische Energiequellevorrichtung mit mehreren Ausgängen und elektronische Fahrzeugsteuervorrichtung An electric power source device having a plurality of outputs and electronic vehicle control apparatus |
| 05/13/2004 | DE10249162A1 Voltage regulator has transistor with main current path between input voltage connection and regulator output, amplifier, transconductance amplifier and resistance between amplifier inputs |
| 05/12/2004 | EP1418482A1 Method and device for solar cells MPP regulation |
| 05/12/2004 | EP1417553A1 Switching circuit for producing an adjustable output characteristic |
| 05/12/2004 | EP1151365B1 Rapid on chip voltage generation for low power integrated circuits |
| 05/12/2004 | EP0791264B1 Supply voltage switching apparatus |
| 05/12/2004 | CN2615948Y Thermal connecting & disconnecting secondary power supply for electric system automation equipment |
| 05/12/2004 | CN1496210A 电源电路 Power circuit |
| 05/12/2004 | CN1495792A 半导体集成电路 The semiconductor integrated circuit |
| 05/12/2004 | CN1149733C Power source circuit |
| 05/12/2004 | CN1149576C Semiconductor integrated circuit |
| 05/12/2004 | CN1149461C Power saving circuit of power factor adjusting type |
| 05/12/2004 | CN1149427C Driving voltage generator of liquid crystal display |
| 05/11/2004 | US6735064 Inrush current suppressing device |
| 05/11/2004 | US6734475 Charge pump device |
| 05/11/2004 | CA2299219C Series compensator |
| 05/06/2004 | WO2003090449A3 Focus voltage control arrangement with ultor voltage tracking |
| 05/06/2004 | US20040085690 Semiconductor integrated circuit |
| 05/06/2004 | US20040085121 System and method for reducing a leakage current associated with an integrated circuit |
| 05/06/2004 | US20040085055 Voltage regulation for spatially remote users |
| 05/06/2004 | US20040085053 Programmable voltage supervisory circuit and method with minimum programming pins and low quiescent current |
| 05/06/2004 | US20040085052 Switching regulator and power supply using the same |
| 05/06/2004 | US20040085051 Static excitation system having capability of eliminating shaft vibrations of a generator and overvoltage when underexited |
| 05/06/2004 | US20040085039 Electric motor control system including position determination and error correction |
| 05/06/2004 | DE10248498A1 Schaltungsanordnung zur Spannungsregelung Circuit arrangement for voltage regulation |
| 05/05/2004 | CN1494209A Amlifying circuit and power apparatus with the same |
| 05/05/2004 | CN1494206A Permanent magnet A.C. generator D.C. electron voltage stabilizer |
| 05/05/2004 | CN1493948A Circuit for regulating lower limit of limiting switch power source voltage |
| 05/05/2004 | CN1493947A Non contact A.C. voltage stabilizer having data recording display function |
| 05/05/2004 | CN1148863C Harmonic suppression equipment for air conditioner and its suppression method |
| 05/05/2004 | CN1148622C Method and apparatus for electronic power control |
| 05/05/2004 | CN1148621C Integrated circuit and integrated circuit memory capable of rapid on chip voltage generation |
| 04/29/2004 | WO2003067745A8 Static electric power converter for modulating electric power exchanged between at least a voltage source and a current source |
| 04/29/2004 | US20040080889 System and method for independent power sequencing of integrated circuits |
| 04/29/2004 | US20040080886 Multi-output electric power source device and vehicle-mounted electronic control device |
| 04/29/2004 | US20040080363 Semiconductor integrated circuit |
| 04/29/2004 | DE10248447A1 Process and device for impedance matching especially for solar modules has differentiating unit and amplifier to maximize power at the load |
| 04/27/2004 | US6728116 Magnetic circuit using switching |
| 04/27/2004 | US6727743 Semiconductor integrated circuit for holding an output signal of an output terminal in a non-operating state |
| 04/27/2004 | US6727475 Heating control system which minimizes AC power line voltage fluctuations |
| 04/22/2004 | WO2004034169A1 Voltage stabilizing circuit |
| 04/22/2004 | WO2004023520A3 Power-on management for voltage down-converter |
| 04/22/2004 | US20040075488 Semiconductor device having voltage feedback circuit therein, and electronic apparatus using the same |
| 04/22/2004 | US20040075423 Power control circuit |
| 04/22/2004 | DE202004002305U1 Schaltung zur Leistungsfaktorkorrektur für Schaltnetzteile, Ladegeräte u.dgl. Circuit for power factor correction for switching power supplies, chargers, etc.. |
| 04/22/2004 | DE10247817A1 Polymer transistor arrangement integrated circuit and production process has control circuit producing a diode effect in source drain and channel region |
| 04/21/2004 | EP1411407A2 Circuit and method for generating an internal operating voltage |
| 04/21/2004 | EP1411406A2 Power supply unit with two or more power supplies |
| 04/21/2004 | EP1410126A2 Differential current source with active common mode reduction |
| 04/21/2004 | EP1275194A4 Magnetic circuit using switching |
| 04/21/2004 | EP1078378A4 Power regulator |
| 04/21/2004 | EP0932927B1 Control apparatus with reduced quiescent current |
| 04/21/2004 | CN1491476A Dc-dc变换器 Dc-dc converter |
| 04/21/2004 | CN1490913A Power supplier with spark preventive function and method thereof |
| 04/21/2004 | CN1147043C Method and system for inhibiting voltage fluctuation in transmission line |
| 04/20/2004 | US6724227 Load-driving semiconductor device |
| 04/20/2004 | US6724196 Temperature controlled high voltage regulator |
| 04/15/2004 | WO2003090448A3 Focus voltage amplifier |
| 04/15/2004 | US20040071036 Internal voltage converter scheme for controlling the power-up slope of internal supply voltage |
| 04/15/2004 | US20040070359 Arrangement for automatically influencing a mains supply and motor drive for said arrangement |
| 04/15/2004 | US20040070280 Output suppressing method of a plurality of dispersed power sources and dispersed power source managing system |
| 04/15/2004 | US20040070276 Dual-output voltage regulator |
| 04/15/2004 | DE19627989B4 Schaltungsanordnung zum Konstanthalten einer an einen Lastwiderstand abgegebenen Leistung Circuitry for maintaining a power delivered to a load resistor |
| 04/14/2004 | EP0756783B1 Impedance emulator |
| 04/14/2004 | CN2612144Y Intelligence charging voltage regulator |
| 04/14/2004 | CN1489279A Motor drive dontrol circuit and motor drive equipment |
| 04/14/2004 | CN1489271A Electronic stepless regulating AC voltage-regulating and stabilizing apparatus |
| 04/14/2004 | CN1489255A Method for making operation of load in spare mode eg. peak-reduced power mode |
| 04/13/2004 | US6720754 Voltage regulator |
| 04/08/2004 | WO2003093962A3 Altering operating frequency and voltage set point of a circuit in response to the operating temperature and instantaneous operating voltage of the circuit |
| 04/08/2004 | US20040066662 Power supply device and method having a spark prevention function |
| 04/08/2004 | US20040065899 Semiconductor device |
| 04/08/2004 | DE19641857B4 Schaltung zur Erzeugung bestimmter Betriebskennwerte einer Halbleitereinrichtung Circuit for production of certain operating characteristics of a semiconductor device |
| 04/07/2004 | EP1406373A2 Power supply |
| 04/07/2004 | EP1406095A1 Electric current detector and motor driving device using the same |
| 04/07/2004 | EP1405393A2 Power converter |
| 04/07/2004 | CN1487384A Electric voltage regulator |
| 04/07/2004 | CN1145091C Method for controlling switch circuit device and realized control circuit with the same |
| 04/06/2004 | USRE38487 Synchronous-rectified DC to DC converter with improved current sensing |
| 04/06/2004 | US6717784 Rush current suppression circuit |
| 04/06/2004 | US6717386 Electric power supply system |
| 04/06/2004 | US6717376 Automotive information systems |
| 04/01/2004 | WO2003090450A3 Waveform generator for controlling an electron beam in a cathode ray tube |
| 04/01/2004 | US20040061485 Voltage regulator with static gain in reduced open loop |
| 04/01/2004 | DE10242648A1 Verfahren zur Betriebsüberwachung einer Photovoltaik-Anlage Method for monitoring the operation of a photovoltaic system |
| 03/31/2004 | EP1403752A1 Power supply decoupling for parallel terminated transmission line |
| 03/31/2004 | EP1402621A2 Arrangement for automatically influencing a mains supply and motor drive for said arrangement |
| 03/31/2004 | EP1034465B1 Solar array system |
| 03/31/2004 | CN2609280Y Analog mechanical electronic timer |
| 03/31/2004 | CN2609030Y 能隙基准电压参考电路 Bandgap reference voltage reference circuit |
| 03/31/2004 | CN2609029Y Feedback compensator for long-distance terminal dc voltage |
| 03/31/2004 | CN1144113C Automatic high-frequency voltage-stabilizing circuit and its voltage-stabilizing method |