DE3577489D1 - Optische vorrichtung zur ausrichtung von wandlerkoepfen. - Google Patents

Optische vorrichtung zur ausrichtung von wandlerkoepfen.

Info

Publication number
DE3577489D1
DE3577489D1 DE8585101925T DE3577489T DE3577489D1 DE 3577489 D1 DE3577489 D1 DE 3577489D1 DE 8585101925 T DE8585101925 T DE 8585101925T DE 3577489 T DE3577489 T DE 3577489T DE 3577489 D1 DE3577489 D1 DE 3577489D1
Authority
DE
Germany
Prior art keywords
aligning
optical device
heads
converter
converter heads
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.)
Expired - Lifetime
Application number
DE8585101925T
Other languages
German (de)
English (en)
Inventor
David Whinery Collins
Joel Swenum Johnson
Laurence Joseph Schmidt
Michael Mc Hugh Siverling
William Stewart Wentink
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3577489D1 publication Critical patent/DE3577489D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/56—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements
DE8585101925T 1984-04-09 1985-02-22 Optische vorrichtung zur ausrichtung von wandlerkoepfen. Expired - Lifetime DE3577489D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/597,891 US4630150A (en) 1984-04-09 1984-04-09 Optical tool for aligning transducer head assemblies

Publications (1)

Publication Number Publication Date
DE3577489D1 true DE3577489D1 (de) 1990-06-07

Family

ID=24393335

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585101925T Expired - Lifetime DE3577489D1 (de) 1984-04-09 1985-02-22 Optische vorrichtung zur ausrichtung von wandlerkoepfen.

Country Status (4)

Country Link
US (1) US4630150A (cg-RX-API-DMAC7.html)
EP (1) EP0160793B1 (cg-RX-API-DMAC7.html)
JP (1) JPS60214478A (cg-RX-API-DMAC7.html)
DE (1) DE3577489D1 (cg-RX-API-DMAC7.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT391860B (de) * 1988-04-25 1990-12-10 Lisec Peter Vorrichtung zum bestimmen des abstandes zwischen glastafeln von isolierglasscheiben
EP0427239B1 (en) * 1989-11-07 1998-02-11 Canon Kabushiki Kaisha Recording or reproducing apparatus
JP2533664B2 (ja) * 1990-01-17 1996-09-11 株式会社日立製作所 磁気記録装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2247113A (en) * 1939-12-19 1941-06-24 Gen Electric Optical alignment device
US3039102A (en) * 1957-01-24 1962-06-12 Lab For Electronics Inc Alignment techniques for recording heads assembly
US3781489A (en) * 1972-08-02 1973-12-25 Gen Instrument Corp Method and apparatus for aligning magnetic heads in a magnetic disc recorder
US3914793A (en) * 1974-04-30 1975-10-21 William W Burnham Tape recorder alignment apparatus
US4537509A (en) * 1982-03-10 1985-08-27 Nortronics Company, Inc. Optical inspection and alignment verification system

Also Published As

Publication number Publication date
US4630150A (en) 1986-12-16
EP0160793A1 (en) 1985-11-13
JPH043567B2 (cg-RX-API-DMAC7.html) 1992-01-23
EP0160793B1 (en) 1990-05-02
JPS60214478A (ja) 1985-10-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee