JPS57141182A - Magnetic recording and reproducing device - Google Patents

Magnetic recording and reproducing device

Info

Publication number
JPS57141182A
JPS57141182A JP56026152A JP2615281A JPS57141182A JP S57141182 A JPS57141182 A JP S57141182A JP 56026152 A JP56026152 A JP 56026152A JP 2615281 A JP2615281 A JP 2615281A JP S57141182 A JPS57141182 A JP S57141182A
Authority
JP
Japan
Prior art keywords
azimuth angle
head
magnetic
scanned
gap azimuth
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
JP56026152A
Other languages
Japanese (ja)
Inventor
Satoshi Yamato
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP56026152A priority Critical patent/JPS57141182A/en
Publication of JPS57141182A publication Critical patent/JPS57141182A/en
Pending 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

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)

Abstract

PURPOSE:To achieve special reproduction having less noise by a helical scan type magnetic recording and reproducing device which has two magnetic heads differing in gap azimuth angle, by employing a movable structure for one magnetic head and varying the gap azimuth angle every time a different track is scanned. CONSTITUTION:Over a rotary disk 1 positioned by being sandwiched between a couple of upper and lower tape guide drums where a magnetic tape is loaded, a piezoelectric element 2 which constitutes a means of varying a gap azimuth angle by rotating a magnetic head 9, and a supporting member and a supporting plate 5 which support in a groove 6 a pedestal 7 mounting the magnetic head 9 are provided. In special reproduction, when the ratios of two adjacent tracks being scanned by the head 9 become nearly equal to obtain an output a half as great as a maximum output, a voltage is applied to the piezoelectric element 2 to rotate the pedestal 7, thereby equalizing the gap azimuth angle to that of the head which have recorded a track to be scanned.
JP56026152A 1981-02-26 1981-02-26 Magnetic recording and reproducing device Pending JPS57141182A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56026152A JPS57141182A (en) 1981-02-26 1981-02-26 Magnetic recording and reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56026152A JPS57141182A (en) 1981-02-26 1981-02-26 Magnetic recording and reproducing device

Publications (1)

Publication Number Publication Date
JPS57141182A true JPS57141182A (en) 1982-09-01

Family

ID=12185553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56026152A Pending JPS57141182A (en) 1981-02-26 1981-02-26 Magnetic recording and reproducing device

Country Status (1)

Country Link
JP (1) JPS57141182A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6057521A (en) * 1983-09-08 1985-04-03 Clarion Co Ltd Azimuth adjusting device of rotary head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6057521A (en) * 1983-09-08 1985-04-03 Clarion Co Ltd Azimuth adjusting device of rotary head

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