JPS5782256A - Head alignment system - Google Patents

Head alignment system

Info

Publication number
JPS5782256A
JPS5782256A JP15538780A JP15538780A JPS5782256A JP S5782256 A JPS5782256 A JP S5782256A JP 15538780 A JP15538780 A JP 15538780A JP 15538780 A JP15538780 A JP 15538780A JP S5782256 A JPS5782256 A JP S5782256A
Authority
JP
Japan
Prior art keywords
speed
drive motor
head drive
speed model
circuit
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
JP15538780A
Other languages
English (en)
Inventor
Etsuro Yamazaki
Yoshibumi Mizoshita
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 JP15538780A priority Critical patent/JPS5782256A/ja
Publication of JPS5782256A publication Critical patent/JPS5782256A/ja
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/02Driving or moving of heads
    • G11B21/08Track changing or selecting during transducing operation
    • G11B21/081Access to indexed tracks or parts of continuous track

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
JP15538780A 1980-11-05 1980-11-05 Head alignment system Pending JPS5782256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15538780A JPS5782256A (en) 1980-11-05 1980-11-05 Head alignment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15538780A JPS5782256A (en) 1980-11-05 1980-11-05 Head alignment system

Publications (1)

Publication Number Publication Date
JPS5782256A true JPS5782256A (en) 1982-05-22

Family

ID=15604833

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15538780A Pending JPS5782256A (en) 1980-11-05 1980-11-05 Head alignment system

Country Status (1)

Country Link
JP (1) JPS5782256A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60117458A (ja) * 1983-11-30 1985-06-24 Fujitsu Ltd シ−ク動作制御回路
CN112099406A (zh) * 2020-09-15 2020-12-18 中国人民解放军陆军装甲兵学院 初速减退量辅助修正装置设计方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60117458A (ja) * 1983-11-30 1985-06-24 Fujitsu Ltd シ−ク動作制御回路
CN112099406A (zh) * 2020-09-15 2020-12-18 中国人民解放军陆军装甲兵学院 初速减退量辅助修正装置设计方法

Similar Documents

Publication Publication Date Title
EP0308069A3 (en) A data recording disk file with digital servo control
GB2064172B (en) Speed servo control systems for disc record reproducing apparatus
KR910014907A (ko) 디스크드라이브 장치
IT7920674A0 (it) Sistema di controllo dell'auto-allineamento per l'uso in un apparato per riprodurre unvideosegnale registrato in successive piste parallele su un mezzo di registrazione.
DE3889995T2 (de) Spursteuerung für magnetisches Aufzeichnungs- und/oder Wiedergabegerät.
JPS5782256A (en) Head alignment system
GB1530545A (en) Circuit arrangement for positioning the data heads of a disc store
JPS5532239A (en) Reproducing device
JPS5452514A (en) Seek retry system in floppy disc apparatus
JPS57103565A (en) Control system of external storage device
JPS56153562A (en) Recorder and reproducer
JPS5613503A (en) Fixed-head magnetic recording and reproducing device
JPS56111169A (en) Track servo system of magnetic disc device
JPS57210483A (en) Origin returning method for head of magnetic disk device
JPS57133572A (en) Control device for information reproducing device
JPS5240108A (en) Controlling method for recording medium
JPS5782257A (en) Head alignment system
JPS6437728A (en) Optical disc player
JPS56165950A (en) Phase adjuster for vtr
JPS57176518A (en) Magnetic disc device
JPS5766582A (en) Data recording and reproducing device
JPS56165968A (en) Defective track processing system
JPS56145566A (en) Magnetic disc device
JPS56156972A (en) Magnetic disc device
JPS57103172A (en) Magnetic disk device