TREA

whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value

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Industry

  • CPC
  • H02P7/2885
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Parent Industries

HELECTRICITY H02Electric power H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS H02P7/00Arrangements for regulating or controlling the speed or torque of electric DC motors

Current Industry

H02P7/2885whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Fan speed control device and method detailed description of the inv...
    • Patent number 7,447,423
    • Issue date Nov 4, 2008
    • Delta Electronics, Inc.
    • Chun-Lung Chiu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Self-startup circuit for DC fan
    • Patent number 7,205,733
    • Issue date Apr 17, 2007
    • Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.
    • Jin-Liang Xiong
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor driving system
    • Patent number 6,946,809
    • Issue date Sep 20, 2005
    • Asia Vital Components Co., Ltd.
    • Shou-Te Yu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Drive system
    • Patent number 6,081,089
    • Issue date Jun 27, 2000
    • AGFA-GEVAERT N.V.
    • Fernand Godon
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Method and circuit arrangement for controlling fans
    • Patent number 5,731,671
    • Issue date Mar 24, 1998
    • Siemens Nixdorf Informationssystems Aktiengesellschaft
    • Jurgen Adam
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Speed control circuit for a DC motor
    • Patent number 5,664,048
    • Issue date Sep 2, 1997
    • Abbott Laboratories
    • Bill H. Niemi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor driving apparatus
    • Patent number 5,572,106
    • Issue date Nov 5, 1996
    • Brother Kogyo Kabushiki Kaisha
    • Motoaki Yamanashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Speed control device for DC motor
    • Patent number 5,416,885
    • Issue date May 16, 1995
    • Makita Corporation
    • Masahiko Sakoh
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Integrated motor controller
    • Patent number 5,408,573
    • Issue date Apr 18, 1995
    • Johnson Service Company
    • J. Scott Jamieson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    DC motor control in electronic sewing machine
    • Patent number 5,341,454
    • Issue date Aug 23, 1994
    • Janome Sewing Machine Co., Ltd.
    • Akira Orii
    • D05 - SEWING EMBROIDERING TUFTING
  • Information Patent Grant

    Driving circuit for direct-current (DC) motor
    • Patent number 5,315,219
    • Issue date May 24, 1994
    • NEC Corporation
    • Jun Kishi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Control system for controlling object at constant state
    • Patent number 5,265,188
    • Issue date Nov 23, 1993
    • Ricoh Company, Ltd.
    • Toshiyuki Andoh
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor speed controller
    • Patent number 5,230,035
    • Issue date Jul 20, 1993
    • Gregson W. M. Spring
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Control circuit for a DC motor
    • Patent number 5,220,634
    • Issue date Jun 15, 1993
    • Kabushiki Kaisha Riken
    • Osamu Yaguchi
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Low-noise miniature electric motor
    • Patent number 5,109,171
    • Issue date Apr 28, 1992
    • Papst-Motoren GmbH & Co KG
    • Fritz Schmider
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC motor control in electronic sewing machine
    • Patent number 5,057,757
    • Issue date Oct 15, 1991
    • Janome Sewing Machine Industry Co., Ltd.
    • Akira Orii
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Method of controlling the speed of a D.C. motor and device for carr...
    • Patent number 5,005,207
    • Issue date Apr 2, 1991
    • U.S. Philips Corporation
    • Georges A. Grave
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Direct current motor speed control
    • Patent number 4,893,067
    • Issue date Jan 9, 1990
    • Black & Decker Inc.
    • Pradeep Bhagwat
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Circuit for controlling the speed of a subfractional horsepower DC...
    • Patent number 4,866,356
    • Issue date Sep 12, 1989
    • Siemens Aktiengesellschaft
    • Hans-Walter Altendorf
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Speed control system for DC motor
    • Patent number 4,788,478
    • Issue date Nov 29, 1988
    • NEC Corporation
    • Eiichi Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Speed control apparatus for a DC motor
    • Patent number 4,742,281
    • Issue date May 3, 1988
    • Matsushita Electric Industrial Co., Ltd.
    • Hiromitsu Nakano
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Speed control system for electric motor
    • Patent number 4,736,142
    • Issue date Apr 5, 1988
    • Dart Controls, Inc.
    • John W. Waymire
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor speed controller
    • Patent number 4,691,150
    • Issue date Sep 1, 1987
    • NCR Corporation
    • Tai-Kuang Jen
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Motor control apparatus
    • Patent number 4,518,901
    • Issue date May 21, 1985
    • Hitachi, Ltd.
    • Isao Fukushima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor apparatus
    • Patent number 4,510,423
    • Issue date Apr 9, 1985
    • Olympus Optical Co., Ltd.
    • Teruo Iwasawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Speed control system for small medical motors
    • Patent number 4,494,057
    • Issue date Jan 15, 1985
    • Kabushiki Kaisha Morita Seisakusho
    • Toshihiro Hotta
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Speed control for a rotary machine
    • Patent number 4,488,096
    • Issue date Dec 11, 1984
    • Papast-Motoren GmbH & Co. KG
    • Hinrich Cap
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Speed control apparatus for DC motor
    • Patent number 4,477,752
    • Issue date Oct 16, 1984
    • Matsushita Electric Industrial Co., Ltd.
    • Hiromitsu Nakano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electronic speed regulator for a d.c. motor
    • Patent number 4,450,392
    • Issue date May 22, 1984
    • U.S. Philips Corporation
    • Jean-Pierre Gaslonde
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Motor speed control circuit
    • Patent number 4,418,298
    • Issue date Nov 29, 1983
    • Sharp Kabushiki Kaisha
    • Hitoshi Suzuki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Fan speed control device and method detailed description of the inv...
    • Publication number 20070133956
    • Publication date Jun 14, 2007
    • DELTA ELECTRONICS, INC.
    • Chun-Lung Chiu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Self-startup circuit for DC fan
    • Publication number 20060091837
    • Publication date May 4, 2006
    • HON HAI Precision Industry CO., LTD.
    • Jin-Liang Xiong
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Motor driving system
    • Publication number 20050067988
    • Publication date Mar 31, 2005
    • ASIA VITAL COMPONENTS CO., LTD.
    • Shou-Te Yu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER