DE2323731C3 - Verfahren und Vorrichtung zur Kontrolle der Bewegung eines Magnetkopfes entlang der spiralförmigen Spuren eines Aufzeichnungsträgers - Google Patents

Verfahren und Vorrichtung zur Kontrolle der Bewegung eines Magnetkopfes entlang der spiralförmigen Spuren eines Aufzeichnungsträgers

Info

Publication number
DE2323731C3
DE2323731C3 DE2323731A DE2323731A DE2323731C3 DE 2323731 C3 DE2323731 C3 DE 2323731C3 DE 2323731 A DE2323731 A DE 2323731A DE 2323731 A DE2323731 A DE 2323731A DE 2323731 C3 DE2323731 C3 DE 2323731C3
Authority
DE
Germany
Prior art keywords
magnetic head
magnetic
spiral
track
turn
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
Application number
DE2323731A
Other languages
German (de)
English (en)
Other versions
DE2323731B2 (de
DE2323731A1 (de
Inventor
Masami Yokohama Kanagawa Koizumi (Japan)
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of DE2323731A1 publication Critical patent/DE2323731A1/de
Publication of DE2323731B2 publication Critical patent/DE2323731B2/de
Application granted granted Critical
Publication of DE2323731C3 publication Critical patent/DE2323731C3/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G11B21/04—Automatic feed mechanism producing a progressive transducing traverse of the head in a direction which cuts across the direction of travel of the recording medium, e.g. helical scan, e.g. by lead-screw
    • G11B21/043—Automatic feed mechanism producing a progressive transducing traverse of the head in a direction which cuts across the direction of travel of the recording medium, e.g. helical scan, e.g. by lead-screw for stationary discs
    • 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
    • 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
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00804—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic sheets
    • 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
    • G11B5/58—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following

Landscapes

  • Recording Or Reproducing By Magnetic Means (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
DE2323731A 1972-05-16 1973-05-10 Verfahren und Vorrichtung zur Kontrolle der Bewegung eines Magnetkopfes entlang der spiralförmigen Spuren eines Aufzeichnungsträgers Expired DE2323731C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47048842A JPS499203A (US20030157376A1-20030821-M00001.png) 1972-05-16 1972-05-16

Publications (3)

Publication Number Publication Date
DE2323731A1 DE2323731A1 (de) 1973-11-29
DE2323731B2 DE2323731B2 (de) 1978-04-13
DE2323731C3 true DE2323731C3 (de) 1978-11-30

Family

ID=12814489

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2323731A Expired DE2323731C3 (de) 1972-05-16 1973-05-10 Verfahren und Vorrichtung zur Kontrolle der Bewegung eines Magnetkopfes entlang der spiralförmigen Spuren eines Aufzeichnungsträgers

Country Status (4)

Country Link
US (1) US3962724A (US20030157376A1-20030821-M00001.png)
JP (1) JPS499203A (US20030157376A1-20030821-M00001.png)
DE (1) DE2323731C3 (US20030157376A1-20030821-M00001.png)
GB (1) GB1374571A (US20030157376A1-20030821-M00001.png)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504871A (en) * 1980-01-08 1985-03-12 Verbatim Corporation Magnetic media test fixture apparatus
US4608618A (en) * 1984-10-25 1986-08-26 Verbatim Corporation Digital alignment diagnostic disk
DE3540803A1 (de) * 1985-11-16 1987-05-21 Thomson Brandt Gmbh Plattenabspielgeraet mit einem schwenkbaren tonarm
US4992893A (en) * 1986-02-19 1991-02-12 Hitachi, Ltd. Alignment disk for magnetic disk driving apparatus and method and apparatus for verifying tracking error of the magnetic disk driving apparatus
US5254946A (en) * 1992-02-25 1993-10-19 Guzik Technical Enterprises, Inc. Magnetic head and disk tester with head centrally mounted on radially-moving, rotatable platform that surrounds disk
US6278784B1 (en) * 1998-12-20 2001-08-21 Peter Gerard Ledermann Intermittent errors in digital disc players
US6330122B1 (en) 1999-05-24 2001-12-11 International Business Machines Corporation Magnetic tester for disk surface scan
US8559122B2 (en) * 2006-12-22 2013-10-15 HGST Netherlands B.V. Integrated spiral certification head for media magnetic testing including PMR and LMR media

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3530258A (en) * 1968-06-28 1970-09-22 Mca Technology Inc Video signal transducer having servo controlled flexible fiber optic track centering
US3742470A (en) * 1971-12-30 1973-06-26 Information Storage Systems Memory disc pack drive having accurate read/write head positioning
US3740736A (en) * 1972-02-28 1973-06-19 Memorex Corp Spiral recording with error checking

Also Published As

Publication number Publication date
DE2323731B2 (de) 1978-04-13
DE2323731A1 (de) 1973-11-29
US3962724A (en) 1976-06-08
JPS499203A (US20030157376A1-20030821-M00001.png) 1974-01-26
GB1374571A (en) 1974-11-20

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee