JPS5654633A - Tracking device - Google Patents

Tracking device

Info

Publication number
JPS5654633A
JPS5654633A JP12868979A JP12868979A JPS5654633A JP S5654633 A JPS5654633 A JP S5654633A JP 12868979 A JP12868979 A JP 12868979A JP 12868979 A JP12868979 A JP 12868979A JP S5654633 A JPS5654633 A JP S5654633A
Authority
JP
Japan
Prior art keywords
control signal
head
track
reproduction
rotary
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
JP12868979A
Other languages
Japanese (ja)
Other versions
JPS6212563B2 (en
Inventor
Masaaki Kobayashi
Akihiro Takeuchi
Seiji Fujisawa
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP12868979A priority Critical patent/JPS5654633A/en
Priority to CA000353370A priority patent/CA1151765A/en
Priority to DE3021480A priority patent/DE3021480C2/en
Priority to GB8018214A priority patent/GB2053509B/en
Priority to US06/205,599 priority patent/US4393417A/en
Publication of JPS5654633A publication Critical patent/JPS5654633A/en
Publication of JPS6212563B2 publication Critical patent/JPS6212563B2/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

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

Abstract

PURPOSE:To eliminate occurrence of the noise band to the reproduced picture, by giving a displacement to the mechanical position of the video head for scanning in the reproduction for the recording track on the magnetic tape rolled onto the tape drum. CONSTITUTION:The following means are provided: the control reproducing means 17 which reproducces the control signal; the control signal dividing means which divides the intervals of the control signals regardless of the travelling velocity of the magnetic tape 23 to obtain the secondary control signal; and the phase detecting means which detects the rotary phase of the rotary magnetic head 4 for reproduction. An operation is given to the information obtained through these means to calculate through the arithmetic means 33 the position of the track to the head 4. Then the output signal of the means 33 is applied to the electro- mechanical converters 21 and 22, and thus the reproducing rotary magnetic head 4 scans on the track.
JP12868979A 1979-06-04 1979-10-04 Tracking device Granted JPS5654633A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP12868979A JPS5654633A (en) 1979-10-04 1979-10-04 Tracking device
CA000353370A CA1151765A (en) 1979-06-04 1980-06-04 Tracking system
DE3021480A DE3021480C2 (en) 1979-06-04 1980-06-04 Tracking system for video recording and playback devices
GB8018214A GB2053509B (en) 1979-06-04 1980-06-04 Tracking system for video recorders/reproducers
US06/205,599 US4393417A (en) 1979-06-04 1980-11-10 Tracking system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12868979A JPS5654633A (en) 1979-10-04 1979-10-04 Tracking device

Publications (2)

Publication Number Publication Date
JPS5654633A true JPS5654633A (en) 1981-05-14
JPS6212563B2 JPS6212563B2 (en) 1987-03-19

Family

ID=14990981

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12868979A Granted JPS5654633A (en) 1979-06-04 1979-10-04 Tracking device

Country Status (1)

Country Link
JP (1) JPS5654633A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59144058A (en) * 1983-02-07 1984-08-17 Matsushita Electric Ind Co Ltd Tracking system of magnetic video recording and reproducing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59144058A (en) * 1983-02-07 1984-08-17 Matsushita Electric Ind Co Ltd Tracking system of magnetic video recording and reproducing device

Also Published As

Publication number Publication date
JPS6212563B2 (en) 1987-03-19

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