JPS5221814A - Track detection system - Google Patents

Track detection system

Info

Publication number
JPS5221814A
JPS5221814A JP9714975A JP9714975A JPS5221814A JP S5221814 A JPS5221814 A JP S5221814A JP 9714975 A JP9714975 A JP 9714975A JP 9714975 A JP9714975 A JP 9714975A JP S5221814 A JPS5221814 A JP S5221814A
Authority
JP
Japan
Prior art keywords
detection system
track detection
track
pulse
servohead
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
JP9714975A
Other languages
Japanese (ja)
Inventor
Keizo Tashiro
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP9714975A priority Critical patent/JPS5221814A/en
Publication of JPS5221814A publication Critical patent/JPS5221814A/en
Pending legal-status Critical Current

Links

Landscapes

  • Moving Of Head For Track Selection And Changing (AREA)
  • Feedback Control In General (AREA)

Abstract

PURPOSE: In a track detection system of magnetic disc equipment, to perform the shifting between tracks of the magnetic head stably by integrating the servohead speed signal and oscillating a pulse aside of the regular track pulse oscillation circuit.
COPYRIGHT: (C)1977,JPO&Japio
JP9714975A 1975-08-12 1975-08-12 Track detection system Pending JPS5221814A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9714975A JPS5221814A (en) 1975-08-12 1975-08-12 Track detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9714975A JPS5221814A (en) 1975-08-12 1975-08-12 Track detection system

Publications (1)

Publication Number Publication Date
JPS5221814A true JPS5221814A (en) 1977-02-18

Family

ID=14184503

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9714975A Pending JPS5221814A (en) 1975-08-12 1975-08-12 Track detection system

Country Status (1)

Country Link
JP (1) JPS5221814A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56134364A (en) * 1979-12-10 1981-10-21 Sperry Rand Corp Device for positioning movable servo control member during position signal drop out
JPS5813208A (en) * 1981-07-14 1983-01-25 Kayaba Ind Co Ltd Hydraulic control unit
JPH02183421A (en) * 1989-01-10 1990-07-18 Sharp Corp Track counter for optical disk

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56134364A (en) * 1979-12-10 1981-10-21 Sperry Rand Corp Device for positioning movable servo control member during position signal drop out
JPS5813208A (en) * 1981-07-14 1983-01-25 Kayaba Ind Co Ltd Hydraulic control unit
JPS6361278B2 (en) * 1981-07-14 1988-11-28
JPH02183421A (en) * 1989-01-10 1990-07-18 Sharp Corp Track counter for optical disk

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