JPS5271212A - Magnetic playback apparatus - Google Patents

Magnetic playback apparatus

Info

Publication number
JPS5271212A
JPS5271212A JP50148173A JP14817375A JPS5271212A JP S5271212 A JPS5271212 A JP S5271212A JP 50148173 A JP50148173 A JP 50148173A JP 14817375 A JP14817375 A JP 14817375A JP S5271212 A JPS5271212 A JP S5271212A
Authority
JP
Japan
Prior art keywords
playback apparatus
magnetic playback
magnetic head
pilot signals
magnetic
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.)
Granted
Application number
JP50148173A
Other languages
Japanese (ja)
Other versions
JPS6019043B2 (en
Inventor
Masami Himuro
Akishi Sato
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP50148173A priority Critical patent/JPS6019043B2/en
Publication of JPS5271212A publication Critical patent/JPS5271212A/en
Publication of JPS6019043B2 publication Critical patent/JPS6019043B2/en
Expired 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
    • G11B5/5921—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 using auxiliary signals, e.g. pilot signals
    • G11B5/5922—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 using auxiliary signals, e.g. pilot signals superimposed on the main signal

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Control Of Position Or Direction (AREA)
  • Control Of Velocity Or Acceleration (AREA)

Abstract

PURPOSE:To perform tracking of a first magnetic head by scanning both adjoining tracks with a second magnetic head, withdrawing first and second pilot signals and applying the comparing output of both pilot signals to a piezoelectric element.
JP50148173A 1975-12-11 1975-12-11 magnetic playback device Expired JPS6019043B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50148173A JPS6019043B2 (en) 1975-12-11 1975-12-11 magnetic playback device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50148173A JPS6019043B2 (en) 1975-12-11 1975-12-11 magnetic playback device

Publications (2)

Publication Number Publication Date
JPS5271212A true JPS5271212A (en) 1977-06-14
JPS6019043B2 JPS6019043B2 (en) 1985-05-14

Family

ID=15446868

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50148173A Expired JPS6019043B2 (en) 1975-12-11 1975-12-11 magnetic playback device

Country Status (1)

Country Link
JP (1) JPS6019043B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS558673A (en) * 1978-07-04 1980-01-22 Matsushita Electric Ind Co Ltd Auto-tracking device
JPS55123284A (en) * 1979-03-16 1980-09-22 Matsushita Electric Ind Co Ltd Magnetic recording and reproducing device
JPS5613878A (en) * 1979-07-13 1981-02-10 Toshiba Corp Magnetic picture recorder/reproducer
US4513333A (en) * 1982-02-24 1985-04-23 Dymek Corporation Diagnostic recording
US4525750A (en) * 1982-09-10 1985-06-25 Rca Corporation Automatic tracking system for multitrack recorders

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4826764A (en) * 1971-08-10 1973-04-09
JPS499919A (en) * 1972-05-22 1974-01-29
JPS4974510A (en) * 1972-11-15 1974-07-18
JPS5042826A (en) * 1973-08-20 1975-04-18

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4826764A (en) * 1971-08-10 1973-04-09
JPS499919A (en) * 1972-05-22 1974-01-29
JPS4974510A (en) * 1972-11-15 1974-07-18
JPS5042826A (en) * 1973-08-20 1975-04-18

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS558673A (en) * 1978-07-04 1980-01-22 Matsushita Electric Ind Co Ltd Auto-tracking device
JPS6228485B2 (en) * 1978-07-04 1987-06-20 Matsushita Electric Ind Co Ltd
JPS55123284A (en) * 1979-03-16 1980-09-22 Matsushita Electric Ind Co Ltd Magnetic recording and reproducing device
JPS5613878A (en) * 1979-07-13 1981-02-10 Toshiba Corp Magnetic picture recorder/reproducer
JPS6052624B2 (en) * 1979-07-13 1985-11-20 株式会社東芝 magnetic recording and playback device
US4513333A (en) * 1982-02-24 1985-04-23 Dymek Corporation Diagnostic recording
US4525750A (en) * 1982-09-10 1985-06-25 Rca Corporation Automatic tracking system for multitrack recorders

Also Published As

Publication number Publication date
JPS6019043B2 (en) 1985-05-14

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