CN1351400A - 电路过载保护器 - Google Patents

电路过载保护器 Download PDF

Info

Publication number
CN1351400A
CN1351400A CN01125136A CN01125136A CN1351400A CN 1351400 A CN1351400 A CN 1351400A CN 01125136 A CN01125136 A CN 01125136A CN 01125136 A CN01125136 A CN 01125136A CN 1351400 A CN1351400 A CN 1351400A
Authority
CN
China
Prior art keywords
adjuster
current
current limiter
electric current
modulator apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN01125136A
Other languages
English (en)
Chinese (zh)
Inventor
M·C·菲舍尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HP Inc
Original Assignee
Hewlett Packard Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of CN1351400A publication Critical patent/CN1351400A/zh
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • H02H9/026—Current limitation using PTC resistors, i.e. resistors with a large positive temperature coefficient
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electric Motors In General (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Control Of Linear Motors (AREA)
  • Optical Recording Or Reproduction (AREA)
CN01125136A 2000-10-31 2001-08-30 电路过载保护器 Pending CN1351400A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US69956300A 2000-10-31 2000-10-31
US09/699563 2000-10-31

Publications (1)

Publication Number Publication Date
CN1351400A true CN1351400A (zh) 2002-05-29

Family

ID=24809882

Family Applications (1)

Application Number Title Priority Date Filing Date
CN01125136A Pending CN1351400A (zh) 2000-10-31 2001-08-30 电路过载保护器

Country Status (4)

Country Link
EP (1) EP1202423A3 (enExample)
JP (1) JP2002218790A (enExample)
KR (1) KR100786457B1 (enExample)
CN (1) CN1351400A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1732534B (zh) * 2002-12-30 2010-12-22 皇家飞利浦电子股份有限公司 用于驱动致动器的方法、致动器驱动器以及包括致动器的设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006045043A1 (de) * 2006-09-25 2008-04-03 Siemens Ag Formgedächtniselement mit Mitteln zur Einschaltstrombegrenzung, Verfahren zur Einschaltstrombegrenzung an einem Formgedächtniselement sowie Verwendung eines Formgedächtniselementes mit Einschaltstrombegrenzung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2731673B2 (ja) * 1992-07-03 1998-03-25 富士通株式会社 ディスク装置
US5471035A (en) * 1993-10-22 1995-11-28 Eaton Corporation Sandwich construction for current limiting positive temperature coefficient protective device
JPH11144362A (ja) * 1997-11-07 1999-05-28 Teac Corp 情報記録再生装置
JP2000251272A (ja) * 1999-03-03 2000-09-14 Matsushita Electric Ind Co Ltd 光ディスク装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1732534B (zh) * 2002-12-30 2010-12-22 皇家飞利浦电子股份有限公司 用于驱动致动器的方法、致动器驱动器以及包括致动器的设备

Also Published As

Publication number Publication date
EP1202423A3 (en) 2003-03-26
EP1202423A2 (en) 2002-05-02
JP2002218790A (ja) 2002-08-02
KR20020033558A (ko) 2002-05-07
KR100786457B1 (ko) 2007-12-17

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Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication