G05F 1/253

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Class  G05F : SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES


Subclass 1/253: 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 Regulating voltage or current (G05F 1/02 takes precedence; for electric railways B60M 3/02) wherein the variable is actually regulated by the final control device is ac (G05F 1/625 takes precedence) using bucking or boosting transformers as final control devices the transformers including plural windings in series between source and load (G05F 1/247 takes precedence)

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
11868148 Voltage booster isolation transformer system and method of operating the sameNov 04, 21Jan 09, 24Hubbell Incorporated
11413971 Power supply circuit and motor control deviceOct 28, 19Aug 16, 22JTEKT CORPORATION
11169553 Voltage booster isolation transformer system and method of operating the sameSep 12, 18Nov 09, 21Hubbell Incorporated
10198013 Voltage regulator system and method of useMar 07, 17Feb 05, 19General Electric Technology GmbH
10177570 Redundant voltage supply deviceAug 18, 15Jan 08, 19Diehl Aerospace GmbH
10135334 Buck-boost converter with secondary circuitJun 27, 17Nov 20, 18VLT, Inc.
10082810 Voltage regulator system and method of useDec 20, 16Sep 25, 18General Electric Technology GmbH
9541930 System and method for reducing power consumption in a power supply circuitJun 29, 12Jan 10, 17ECRTech Holdings Pty Ltd
9349547 Switching module for voltage regulatorMar 14, 14May 24, 16COOPER TECHNOLOGIES COMPANY
9304522 Systems and methods for dynamic AC line voltage regulation with energy saving trackingApr 19, 13Apr 05, 16VARENTEC, INC.
8773085 Apparatus and method for efficient DC-to-DC conversion through wide voltage swingsMar 22, 11Jul 08, 14LEDillion Technologies Inc.
8519683 DC-DC converterApr 26, 11Aug 27, 13SANKEN ELECTRIC CO., LTD., Shimane University,
8111053 DC-DC converterJul 24, 08Feb 07, 12SANKEN ELECTRIC CO., LTD., Shimane University,
7667440 Power-supply controlJan 04, 08Feb 23, 10INTERSIL AMERICAS LLC
7321224 DC-DC converter with clamping capacitor and output winding for reduced output voltage rippleMay 25, 05Jan 22, 08MINEBEA CO., LTD.
7276884 DC/DC converterAug 17, 06Oct 02, 07SANKEN ELECTRIC CO., LTD.
5844402 In-line buck/boost voltage-regulation systems and apparatusJun 27, 96Dec 01, 98HUBBELL INCORPORATED
5694302 Passive clamp and ripple control for buck boost converterAug 20, 96Dec 02, 97HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

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