JPS56153557A - Retrieval device - Google Patents

Retrieval device

Info

Publication number
JPS56153557A
JPS56153557A JP5285580A JP5285580A JPS56153557A JP S56153557 A JPS56153557 A JP S56153557A JP 5285580 A JP5285580 A JP 5285580A JP 5285580 A JP5285580 A JP 5285580A JP S56153557 A JPS56153557 A JP S56153557A
Authority
JP
Japan
Prior art keywords
circuit
tracking
input
signal
output
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
JP5285580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6213749B2 (enrdf_load_stackoverflow
Inventor
Noboru Wakami
Masahiro Deguchi
Mitsuro Moriya
Yasuhiro Goto
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 JP5285580A priority Critical patent/JPS56153557A/ja
Publication of JPS56153557A publication Critical patent/JPS56153557A/ja
Publication of JPS6213749B2 publication Critical patent/JPS6213749B2/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
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/005—Programmed access to indexed parts of tracks of operating discs, by guiding the disc

Landscapes

  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP5285580A 1980-04-23 1980-04-23 Retrieval device Granted JPS56153557A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5285580A JPS56153557A (en) 1980-04-23 1980-04-23 Retrieval device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5285580A JPS56153557A (en) 1980-04-23 1980-04-23 Retrieval device

Publications (2)

Publication Number Publication Date
JPS56153557A true JPS56153557A (en) 1981-11-27
JPS6213749B2 JPS6213749B2 (enrdf_load_stackoverflow) 1987-03-28

Family

ID=12926466

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5285580A Granted JPS56153557A (en) 1980-04-23 1980-04-23 Retrieval device

Country Status (1)

Country Link
JP (1) JPS56153557A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4562562A (en) * 1982-03-26 1985-12-31 Matsushita Electric Industrial Co., Ltd. Tracking system for controlling the radial positioning of a transducer on a disc medium

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5461910A (en) * 1977-10-27 1979-05-18 Teac Corp Information reproducer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5461910A (en) * 1977-10-27 1979-05-18 Teac Corp Information reproducer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4562562A (en) * 1982-03-26 1985-12-31 Matsushita Electric Industrial Co., Ltd. Tracking system for controlling the radial positioning of a transducer on a disc medium

Also Published As

Publication number Publication date
JPS6213749B2 (enrdf_load_stackoverflow) 1987-03-28

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