JPS5283207A - Bobbin moving speed detector - Google Patents

Bobbin moving speed detector

Info

Publication number
JPS5283207A
JPS5283207A JP15683075A JP15683075A JPS5283207A JP S5283207 A JPS5283207 A JP S5283207A JP 15683075 A JP15683075 A JP 15683075A JP 15683075 A JP15683075 A JP 15683075A JP S5283207 A JPS5283207 A JP S5283207A
Authority
JP
Japan
Prior art keywords
moving speed
speed detector
bobbin moving
bobbin
coil
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
JP15683075A
Other languages
Japanese (ja)
Inventor
Fumihiko Saito
Hideto Kanai
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP15683075A priority Critical patent/JPS5283207A/en
Publication of JPS5283207A publication Critical patent/JPS5283207A/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
    • G11B5/596—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 disks

Abstract

PURPOSE:To simplify the construction by providing a coil for detecting the speed of the bobbin to the bobbin to be controlled by a driving coil, at the time of performing access of a head to a magnetic disc.
JP15683075A 1975-12-30 1975-12-30 Bobbin moving speed detector Pending JPS5283207A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15683075A JPS5283207A (en) 1975-12-30 1975-12-30 Bobbin moving speed detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15683075A JPS5283207A (en) 1975-12-30 1975-12-30 Bobbin moving speed detector

Publications (1)

Publication Number Publication Date
JPS5283207A true JPS5283207A (en) 1977-07-12

Family

ID=15636270

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15683075A Pending JPS5283207A (en) 1975-12-30 1975-12-30 Bobbin moving speed detector

Country Status (1)

Country Link
JP (1) JPS5283207A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0626792A1 (en) * 1993-05-25 1994-11-30 EDICO S.r.l. Improved system for the reception of coded television signals, having a presence detector and relative apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0626792A1 (en) * 1993-05-25 1994-11-30 EDICO S.r.l. Improved system for the reception of coded television signals, having a presence detector and relative apparatus

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