JPS633270Y2 - - Google Patents

Info

Publication number
JPS633270Y2
JPS633270Y2 JP1981074272U JP7427281U JPS633270Y2 JP S633270 Y2 JPS633270 Y2 JP S633270Y2 JP 1981074272 U JP1981074272 U JP 1981074272U JP 7427281 U JP7427281 U JP 7427281U JP S633270 Y2 JPS633270 Y2 JP S633270Y2
Authority
JP
Japan
Prior art keywords
track
signal
pick
video disc
back side
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.)
Expired
Application number
JP1981074272U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57188481U (fr
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 filed Critical
Priority to JP1981074272U priority Critical patent/JPS633270Y2/ja
Publication of JPS57188481U publication Critical patent/JPS57188481U/ja
Application granted granted Critical
Publication of JPS633270Y2 publication Critical patent/JPS633270Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Optical Recording Or Reproduction (AREA)
JP1981074272U 1981-05-22 1981-05-22 Expired JPS633270Y2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981074272U JPS633270Y2 (fr) 1981-05-22 1981-05-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981074272U JPS633270Y2 (fr) 1981-05-22 1981-05-22

Publications (2)

Publication Number Publication Date
JPS57188481U JPS57188481U (fr) 1982-11-30
JPS633270Y2 true JPS633270Y2 (fr) 1988-01-27

Family

ID=29870051

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981074272U Expired JPS633270Y2 (fr) 1981-05-22 1981-05-22

Country Status (1)

Country Link
JP (1) JPS633270Y2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2845874B2 (ja) * 1987-04-27 1999-01-13 株式会社日立製作所 光ディスク及び光ディスク再生装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51134515A (en) * 1975-05-19 1976-11-22 Hitachi Ltd Photo-video disc

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51134515A (en) * 1975-05-19 1976-11-22 Hitachi Ltd Photo-video disc

Also Published As

Publication number Publication date
JPS57188481U (fr) 1982-11-30

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