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) |
---|
10/06/2004 | CN1535098A Illuminator and lighting head for the same and power supply device |
10/06/2004 | CN1170358C Electric-shock and short-circuit preventing multifunctional contact-less voltage stabilizer |
10/06/2004 | CN1170356C Voltage output terminal direct paralleled current equalizing power supply circuit |
10/05/2004 | US6801470 Digital regulation circuit |
10/05/2004 | US6801420 Selective potting for controlled failure and electronic devices employing the same |
10/05/2004 | US6801419 Overcurrent protection circuit for voltage regulator |
10/05/2004 | US6801060 Semiconductor integrated circuit |
10/05/2004 | US6801033 Voltage converter having switching element with variable substrate potential |
10/05/2004 | US6801022 Universal electrical energy saver |
09/30/2004 | WO2004084395A1 Inverter |
09/30/2004 | WO2004042910A3 Electric motor control system including position determination and error correction |
09/30/2004 | US20040189272 Switching power supply controller and switching power supply |
09/30/2004 | US20040189268 Power converter module with an electromagnetically coupled inductor for switch control of a rectifier |
09/30/2004 | DE102004010394A1 Strom-Controller für induktive Last Current controller for inductive load |
09/30/2004 | DE10127054B4 Verfahren zur Überwachung einer Spannungsversorgung eines Steuergeräts in einem Kraftfahrzeug Method for monitoring a voltage supply of a control device in a motor vehicle |
09/29/2004 | EP1463190A1 Reliable board mounted power module |
09/29/2004 | EP1461864A2 Selective potting for controlled failure and electronic devices employing the same |
09/29/2004 | CN1533524A Automatic power factor correction system |
09/29/2004 | CN1533024A Votage limit type protective circuit for permanent generator voltage stabilizer |
09/29/2004 | CN1533023A Controller for inductive load current |
09/29/2004 | CN1532658A Energy gap reference voltage reference circuit and method of producing reference votage |
09/29/2004 | CN1169282C Electroplating current supply system |
09/28/2004 | US6798289 System, apparatus and method for voltage to current conversion |
09/28/2004 | US6798179 Stabilized direct-current power supply device |
09/28/2004 | US6798152 Closed loop current control circuit and method thereof |
09/28/2004 | CA2461784A1 Power management systems and methods |
09/28/2004 | CA2388654C Energy conserving motor controller |
09/28/2004 | CA2155525C An emergency power system |
09/23/2004 | WO2004081617A2 Chalcogenide glass constant current device, and its method of fabrication and operation |
09/23/2004 | US20040186934 Universal serial bus transceiver and associated methods |
09/23/2004 | US20040184289 Output resistance modulation in power converters |
09/23/2004 | US20040184212 System for voltage stabilization of power supply lines |
09/23/2004 | US20040183513 Low-loss transformer-coupled gate driver |
09/23/2004 | US20040183510 Power array system and method |
09/23/2004 | DE102004013042A1 Spannungsregler und zugehöriger Halbleiterspeicherbaustein Voltage regulator and associated semiconductor memory device |
09/22/2004 | EP1460518A1 Microprocessor power supply system comprising a programmable power supply and a programmable brownout detector |
09/22/2004 | EP1459605A1 Electronic ballast with rail voltage switching |
09/22/2004 | EP1459282A1 Electronic ballast with low voltage output |
09/22/2004 | CN2643542Y Power source control circuit device for DC brushless fan motor |
09/22/2004 | CN1530788A Apparatus for regulating stabilized circuit outputting voltage |
09/21/2004 | US6795366 Internal voltage converter scheme for controlling the power-up slope of internal supply voltage |
09/21/2004 | US6795287 Static excitation system having capability of eliminating shaft vibrations of a generator and overvoltage when underexited |
09/16/2004 | WO2004079472A1 Constant current drive circuit |
09/16/2004 | WO2004064232A3 Voltage supply circuit and method for generating a supply voltage |
09/16/2004 | US20040181699 Power supply controller and information processor |
09/16/2004 | US20040181697 Information handling system featuring a power-based current limiting circuit |
09/16/2004 | US20040181369 System for aiding the preparation of operation and maintenance plans for a power-generation installation |
09/16/2004 | US20040179390 Chalcogenide glass constant current device, and its method of fabrication and operation |
09/16/2004 | US20040178785 Adaptive multi-mode system and method |
09/16/2004 | US20040178782 Current controller for inductive load |
09/16/2004 | US20040178779 Thermally compensated current sensing of intrinsic power converter elements |
09/16/2004 | US20040178778 Integrated low dropout linear voltage regulator with improved current limiting |
09/16/2004 | DE10307006A1 Circuit for switch-on current control for connectable electric consumer appliance, comprises first electric switching unit with transistor for control of switch-on current of consumer appliance |
09/15/2004 | EP1457857A2 Maximum power follow-up control apparatus |
09/15/2004 | EP1456728A1 Device with controllable impedance |
09/15/2004 | EP1212827B1 Start-up circuit for voltage regulators |
09/15/2004 | CN2641689Y Low-cost high-resolution digital controlled constant-current source |
09/15/2004 | CN1529216A Reference current source of low-temp. coefficient and low power-supply-voltage coefficient |
09/15/2004 | CN1167198C Electronic drive contrl mechanism |
09/15/2004 | CN1166993C Voltage regulating device |
09/14/2004 | US6791397 Constant current circuit for controlling variation in output current duty caused by the input capacitance of a current mirror circuit |
09/14/2004 | US6791390 Method of forming a voltage regulator semiconductor device having feedback and structure therefor |
09/14/2004 | US6791210 Cyclic regulation apparatus, system, and method |
09/10/2004 | WO2004077673A1 Semiconductor integrated circuit |
09/10/2004 | WO2004077190A1 On chip power supply |
09/10/2004 | CA2517152A1 On chip power supply |
09/09/2004 | US20040177201 Hot swap power delivery circuit |
09/09/2004 | US20040176224 Self-spotting apparatus for free-weights |
09/09/2004 | US20040174206 Voltage detecting circuit |
09/09/2004 | US20040174150 Voltage regulator circuit |
09/09/2004 | US20040174149 Power supplying methods and apparatus that provide stable output voltage |
09/09/2004 | US20040174148 Data processing system |
09/09/2004 | US20040174147 Factorized power architecture with point of load sine amplitude converters |
09/09/2004 | US20040174143 Universal electrical energy saver |
09/09/2004 | US20040174122 Dimming ballast control IC with flash suppression circuit |
09/09/2004 | US20040174074 Safety switching apparatus for safely disconnecting an electrical load |
09/08/2004 | EP1454406A2 Method of supplying power to low supply voltage power consumers |
09/08/2004 | EP1155358B1 A method and system for alternating current regulation |
09/08/2004 | CN2640122Y Three-phase energy-saving electromagnetic voltage regulation stabilization device |
09/08/2004 | CN2639941Y Combined mobile power source outdoor power supply and charger |
09/08/2004 | CN2639935Y Programmable controller controlling circuit for electro-static dust removal constant current high voltage direct current power source |
09/08/2004 | CN1528045A Control system for a thermoelectricity cogeneration unit |
09/08/2004 | CN1527171A PWM controller with digital dynamic track regulation |
09/07/2004 | US6788503 Protecting circuit against short-circuit of output terminal of AC adapter |
09/07/2004 | US6788180 Controllable transformer |
09/07/2004 | US6788133 Reference voltage providing circuit |
09/07/2004 | US6788132 Voltage and time control circuits |
09/07/2004 | US6788037 Voltage converter system and method having a stable output voltage |
09/02/2004 | WO2004055612A3 A method and voltage feedback circuitry for improving the performance of apfc converters |
09/02/2004 | US20040169550 Power management method and structure |
09/02/2004 | US20040169477 Dimming-control lighting apparatus for incandescent electric lamp |
09/02/2004 | DE4221910B4 Schalteranordnung zur automatischen Spannungsregelung unter Berücksichtigung von Blindleistung Switch arrangement for automatic voltage regulation, including reactive power |
08/31/2004 | US6784737 Voltage multiplier circuit |
08/31/2004 | US6784650 Circuit configuration for generating a controllable output voltage |
08/26/2004 | WO2004072754A2 Power supply control unit |
08/26/2004 | US20040165104 Electronic system for reducing power supply voltage |
08/26/2004 | US20040164789 Low dropout regulator capable of on-chip implementation |
08/26/2004 | US20040164785 On chip power supply |
08/26/2004 | US20040164721 Soft power-up for an external power adapter |
08/26/2004 | US20040164720 System for providing a regulated voltage |