JPS6326455B2 - - Google Patents

Info

Publication number
JPS6326455B2
JPS6326455B2 JP56003766A JP376681A JPS6326455B2 JP S6326455 B2 JPS6326455 B2 JP S6326455B2 JP 56003766 A JP56003766 A JP 56003766A JP 376681 A JP376681 A JP 376681A JP S6326455 B2 JPS6326455 B2 JP S6326455B2
Authority
JP
Japan
Prior art keywords
bias
signal level
applied voltage
change
head
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
JP56003766A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57120226A (en
Inventor
Nobuo Azuma
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56003766A priority Critical patent/JPS57120226A/ja
Publication of JPS57120226A publication Critical patent/JPS57120226A/ja
Publication of JPS6326455B2 publication Critical patent/JPS6326455B2/ja
Granted 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
    • G11B5/58—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
    • G11B5/584—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 for track following on tapes
    • G11B5/588—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 for track following on tapes by controlling the position of the rotating heads
    • G11B5/592—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 for track following on tapes by controlling the position of the rotating heads using bimorph elements supporting the heads

Landscapes

  • Control Of Velocity Or Acceleration (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
JP56003766A 1981-01-16 1981-01-16 Auto tracking device of magnetic video recording and reproducing device Granted JPS57120226A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56003766A JPS57120226A (en) 1981-01-16 1981-01-16 Auto tracking device of magnetic video recording and reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56003766A JPS57120226A (en) 1981-01-16 1981-01-16 Auto tracking device of magnetic video recording and reproducing device

Publications (2)

Publication Number Publication Date
JPS57120226A JPS57120226A (en) 1982-07-27
JPS6326455B2 true JPS6326455B2 (enrdf_load_stackoverflow) 1988-05-30

Family

ID=11566284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56003766A Granted JPS57120226A (en) 1981-01-16 1981-01-16 Auto tracking device of magnetic video recording and reproducing device

Country Status (1)

Country Link
JP (1) JPS57120226A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3889995T2 (de) * 1987-08-04 1995-01-05 Mitsubishi Electric Corp Spursteuerung für magnetisches Aufzeichnungs- und/oder Wiedergabegerät.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5326107A (en) * 1976-08-24 1978-03-10 Sony Corp Tracking correcting apparatus
JPS5345509A (en) * 1976-10-07 1978-04-24 Sony Corp Automatic tracking apparatus

Also Published As

Publication number Publication date
JPS57120226A (en) 1982-07-27

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