JPS54155019A - Servo-system - Google Patents

Servo-system

Info

Publication number
JPS54155019A
JPS54155019A JP6293778A JP6293778A JPS54155019A JP S54155019 A JPS54155019 A JP S54155019A JP 6293778 A JP6293778 A JP 6293778A JP 6293778 A JP6293778 A JP 6293778A JP S54155019 A JPS54155019 A JP S54155019A
Authority
JP
Japan
Prior art keywords
servo
cores
reading
denotes
core
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
JP6293778A
Other languages
Japanese (ja)
Inventor
Toshiaki Komatsuzaki
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 JP6293778A priority Critical patent/JPS54155019A/en
Publication of JPS54155019A publication Critical patent/JPS54155019A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Position Or Direction (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)

Abstract

PURPOSE: To enable double track controlling, by placing two reading cores at a prescribed distance in a head for reading information from a servo-information surface.
CONSTITUTION: Both the reading cores A, B are placed at the distance of np+p/2 (p denotes the pitch of servo-tracks and n denotes an integer) in the servo-head so that the output wave from the core A is advanced by 1/2p ahead of that from the core B. Position control signal waves obtained from the output waves deviate by 1/2p from each other. The outputs from the cores A, B are alternately applied to a control circuit to enable the double track controlling.
COPYRIGHT: (C)1979,JPO&Japio
JP6293778A 1978-05-26 1978-05-26 Servo-system Pending JPS54155019A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6293778A JPS54155019A (en) 1978-05-26 1978-05-26 Servo-system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6293778A JPS54155019A (en) 1978-05-26 1978-05-26 Servo-system

Publications (1)

Publication Number Publication Date
JPS54155019A true JPS54155019A (en) 1979-12-06

Family

ID=13214705

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6293778A Pending JPS54155019A (en) 1978-05-26 1978-05-26 Servo-system

Country Status (1)

Country Link
JP (1) JPS54155019A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56157506A (en) * 1980-05-09 1981-12-04 Fujitsu Ltd Positioning device
US7852599B2 (en) 2008-02-25 2010-12-14 International Business Machines Corporation Apparatus, system, and method for tape drive head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56157506A (en) * 1980-05-09 1981-12-04 Fujitsu Ltd Positioning device
US7852599B2 (en) 2008-02-25 2010-12-14 International Business Machines Corporation Apparatus, system, and method for tape drive head

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