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Disk drive power control circuit and method 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G11B-019/28
  • G11B-021/02
  • G06F-001/32
출원번호 US-0975503 (1992-11-12)
발명자 / 주소
  • Tam Karman (Irvine CA) Moe Erik (Huntington Beach CA) Kupferman Hanan (Diamond Bar CA)
출원인 / 주소
  • Mitsumi Electric Co., Ltd. (Kanagawa JPX 03)
인용정보 피인용 횟수 : 56  인용 특허 : 0

초록 ▼

A disk drive control circuit and method controls electric power consumption in a disk drive so that a computer system such as a laptop computer can conserve power and as a result can dramatically reduce the effective life of batteries employed as a power source of the computer system. The disk drive

대표청구항 ▼

A disk drive apparatus for driving a magnetic disk to read and write information therein, said disk drive apparatus having an actuator assembly for positioning a read/write head on the surface of the magnetic disk, a spindle motor for rotation of the magnetic disk, and an electronic circuit for cont

이 특허를 인용한 특허 (56)

  1. Zhang Xiao ; Hong Hyung-Ki ; Kang Chang-Ik, Adaptive sector seeking method for reducing disk drive power consumption.
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  2. Pacheco, Joaquin Fernando; Piazza, William Joseph; Pruett, Gregory Brian; Rhoades, David B.; Riedle, Linda Ann, Adaptive startup policy for accelerating multi-disk array spin-up.
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  3. Wheelock, David W.; Guss, David J., Automated transitions power modes while continuously powering a power controller and powering down a media controller for at least one of the power modes.
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  6. Mehedi Hassan ; Fredrick W. Trafton ; Bert J. White ; Vincent T. Ng, Current mode approach to spindle motor current control and rotor position sense.
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  7. Singer, Neil; Tanquary, Mark; Pasch, Kenneth, Data storage device with quick and quiet modes.
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  8. Bennett, George J.; Ryan, Robert P., Disk drive comprising spin down circuitry having a current limit circuit for enhancing power and braking control.
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  9. Bennett, George J.; Ryan, Robert P., Disk drive comprising spin down circuitry having a power clamp circuit for enhancing power and braking control.
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  10. Codilian Raffi (San Dimas CA) Stupeck Donald (Laguna Hills CA), Disk drive spindle motor start up using an additional motor winding upon startup failure.
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  11. Schirle Neal Bertram, Disk drive start-up failure detection under disparate conditions.
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  15. Takenaka,Seiji, Floppy disk control circuit and floppy disk apparatus.
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  16. Koizumi, Yuichi; Amano, Hideaki; Tsuneta, Katsuhiro; Kodama, Koji, Information storing device and method for controlling same to record/reproduce information by selecting one of working modes.
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  19. Hamaguchi, Takehiko; Takano, Hisashi; Tomiyama, Futoshi; Matsushita, Toru, Magnetic disk drive.
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  22. Noboru Terazawa JP, Method and apparatus for controlling consumption current in computer system.
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  23. Astigarraga, Tara; DeHaan, David Franklin; Dickens, Louie Arthur; Olatunde-Bello, Omolaoye, Method and apparatus for end of life of small form-factor pluggable (SFP).
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  24. Mechalke, Jim L.; Wang, Yuanru Frank, Method and apparatus for identifying a faulty component on a multiple component field replaceable unit.
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  27. Kibashi, Akira; Asano, Hideo; Colegrove, Daniel J., Method and apparatus for predicting recovery time of hard disk drive.
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  28. Schreck,Erhard; Heimbaugh,Mark, Method and apparatus for providing a user selectable start-up current in a disk drive.
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  29. Ohmi Takao,JPX, Method and apparatus for reducing vibration on a disk spindle motor by detecting the vibrations and correcting the moto.
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  30. Jackson, Robert, Method and apparatus of sustained sequential data transfer in a media drive.
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  40. DeRosa,Jeffrey V., Methods, apparatus and computer program products for controlling seeking of a transducer based on phase dependent state error.
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  51. Codilian, Raffi; Nguyen, David D. T.; Whitaker, David L., Seek distance dependent variable max VCM seek current to control thermal rise in VCM's.
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  52. Hanks,Darwin Mitchel, Speed control using drive current profile.
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  53. Shimada Kunihiro,JPX ; Takaishi Kazuhiko,JPX ; Takahashi Eisaku,JPX, Storage device in which read/write operation is controlled in response to source voltage.
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  55. Reasoner Kelly J. (Ft. Collins CO), System and method for conserving power in an optical autochanger.
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