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YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10USPC classification Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10S388/00Electricity: motor control systems

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Patents Grantslast 30 patents

Information Patent Grant
Rotation control apparatus and method, and electronic device wherei...
- Patent number 7,863,844
- Issue date Jan 4, 2011
- Rohm Co., Ltd.
- Norihiro Maeda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic rotor pointing with high angular resolution
- Patent number 7,262,569
- Issue date Aug 28, 2007
- Trimble Navigation Limited
- Frank B. Douglas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic rotor pointing with high angular resolution
- Patent number 6,762,575
- Issue date Jul 13, 2004
- Trimble Navigation Limited
- Frank Beard Douglas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor tracking control system
- Patent number 6,548,977
- Issue date Apr 15, 2003
- Seiberco Incorporated
- Hung D. Vu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method for velocity control of a D.C. Motor
- Patent number 5,811,946
- Issue date Sep 22, 1998
- Lockheed Martin Corporation
- Eugene T. Mullin
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Device for optimizing the speed control behavior of a subfractional...
- Patent number 5,632,000
- Issue date May 20, 1997
- Siemens Aktiengesellschaft
- Josef Pabst
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Device for speed stabilization of a motor employing phase comparison
- Patent number 5,375,186
- Issue date Dec 20, 1994
- Linotype-Hell AG
- Gerd Schuettpelz
- G01 - MEASURING TESTING
Information Patent Grant
Procedure for filtering the speed feedback signal
- Patent number 5,313,549
- Issue date May 17, 1994
- Kone Elevator GmbH
- Seppo J. Ovaska
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electric shaver
- Patent number 5,274,735
- Issue date Dec 28, 1993
- Sanyo Electric Co., Ltd.
- Tetsuya Okada
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Error signal detection circuit in a servo control device
- Patent number 5,046,123
- Issue date Sep 3, 1991
- Yamaha Corporation
- Mamoru Horino
- G11 - INFORMATION STORAGE
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
Feedback circuitry for D.C. motor speed control
- Patent number 4,851,744
- Issue date Jul 25, 1989
- Windings, Inc.
- Frank W. Kotzur
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Phase locked motor control system for multiple disk drive units
- Patent number 4,843,288
- Issue date Jun 27, 1989
- Rigidyne Corporation
- Le Roy A. Volz
- G11 - INFORMATION STORAGE
Information Patent Grant
Variable speed motor control method and apparatus
- Patent number 4,816,723
- Issue date Mar 28, 1989
- Sony Corporation
- Michael B. Shields
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Charge balancing current sampler for a digital motor control
- Patent number 4,804,895
- Issue date Feb 14, 1989
- Allen-Bradley Company, Inc.
- John D. Miskin
- G01 - MEASURING TESTING
Information Patent Grant
Motor rotation servo control apparatus
- Patent number 4,804,894
- Issue date Feb 14, 1989
- Sony Corporation
- Yukihiko Machida
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Adaptive digitally controlled motor drive system and method
- Patent number 4,749,927
- Issue date Jun 7, 1988
- Ampex Corporation
- David Rodal
- G05 - CONTROLLING REGULATING
Information Patent Grant
Method and apparatus for phase comparison adapted to produce an err...
- Patent number 4,734,630
- Issue date Mar 29, 1988
- Pioneer Electronic Corporation
- Takashi Okano
- G11 - INFORMATION STORAGE
Information Patent Grant
Motor control method
- Patent number 4,727,300
- Issue date Feb 23, 1988
- Fuji Photo Film Co., Ltd.
- Kazuo Horikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Speed detection apparatus
- Patent number 4,716,535
- Issue date Dec 29, 1987
- Mitsubishi Denki Kabushiki Kaisha
- Koichi Yoshida
- G01 - MEASURING TESTING
Information Patent Grant
Disc recording system with speed control
- Patent number 4,710,825
- Issue date Dec 1, 1987
- Nippon Kogaku K.K.
- Masaya Okita
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for compensating a quantization error
- Patent number 4,694,234
- Issue date Sep 15, 1987
- Sony Corporation
- Yasuo Nagai
- G01 - MEASURING TESTING
Information Patent Grant
Digital servo apparatus
- Patent number 4,668,900
- Issue date May 26, 1987
- Sanyo Electric Co., Ltd.
- Junichiro Tabuchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Device for controlling DC motor
- Patent number 4,661,750
- Issue date Apr 28, 1987
- Brother Kogyo Kabushiki Kaisha
- Isao Mori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus for driving a recording medium at a constant speed relati...
- Patent number 4,652,799
- Issue date Mar 24, 1987
- Sony Corporation
- Shigeaki Wachi
- G11 - INFORMATION STORAGE
Information Patent Grant
Microprocessor controlled d.c. motor for controlling a postage meter
- Patent number 4,636,959
- Issue date Jan 13, 1987
- Pitney Bowes Inc.
- Edilberto I. Salazar
- G07 - CHECKING-DEVICES
Information Patent Grant
Microprocessor controlled d.c. motor and application therefor
- Patent number 4,631,681
- Issue date Dec 23, 1986
- Pitney Bowes Inc.
- Edilberto I. Salazar
- G07 - CHECKING-DEVICES
Information Patent Grant
Microprocessor controlled d.c. motor for controlling a load
- Patent number 4,630,210
- Issue date Dec 16, 1986
- Pitney Bowes Inc.
- Edilberto I. Salazar
- G07 - CHECKING-DEVICES
Information Patent Grant
Method and apparatus for detecting position and velocity of moving...
- Patent number 4,628,314
- Issue date Dec 9, 1986
- Hitachi, Ltd.
- Shigeki Morinaga
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Rotation Control Apparatus And Method, And Electronic Device Wherei...
- Publication number 20080067964
- Publication date Mar 20, 2008
- Norihiro Maeda
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Electronic rotor pointing with high angular resolution
- Publication number 20040217722
- Publication date Nov 4, 2004
- Frank Beard Douglas
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Electronic rotor pointing with high angular resolution
- Publication number 20030234623
- Publication date Dec 25, 2003
- Frank Beard Douglas
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Motor tracking control system
- Publication number 20030020421
- Publication date Jan 30, 2003
- Hung D. Vu
- G01 - MEASURING TESTING

Sample and hold

Industry

Parent Industries

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Patents Grantslast 30 patents

Rotation control apparatus and method, and electronic device wherei...

Electronic rotor pointing with high angular resolution

Electronic rotor pointing with high angular resolution

Motor tracking control system

System and method for velocity control of a D.C. Motor

Device for optimizing the speed control behavior of a subfractional...

Device for speed stabilization of a motor employing phase comparison

Procedure for filtering the speed feedback signal

Electric shaver

Error signal detection circuit in a servo control device

Direct current motor speed control

Circuit for controlling the speed of a subfractional horsepower DC...

Feedback circuitry for D.C. motor speed control

Phase locked motor control system for multiple disk drive units

Variable speed motor control method and apparatus

Charge balancing current sampler for a digital motor control

Motor rotation servo control apparatus

Adaptive digitally controlled motor drive system and method

Method and apparatus for phase comparison adapted to produce an err...

Motor control method

Speed detection apparatus

Disc recording system with speed control

Apparatus for compensating a quantization error

Digital servo apparatus

Device for controlling DC motor

Apparatus for driving a recording medium at a constant speed relati...

Microprocessor controlled d.c. motor for controlling a postage meter

Microprocessor controlled d.c. motor and application therefor

Microprocessor controlled d.c. motor for controlling a load

Method and apparatus for detecting position and velocity of moving...

Patents Applicationslast 30 patents

Rotation Control Apparatus And Method, And Electronic Device Wherei...

Electronic rotor pointing with high angular resolution

Electronic rotor pointing with high angular resolution

Motor tracking control system