JPS524111A - Optical record and reproduction system of signal - Google Patents

Optical record and reproduction system of signal

Info

Publication number
JPS524111A
JPS524111A JP50023054A JP2305475A JPS524111A JP S524111 A JPS524111 A JP S524111A JP 50023054 A JP50023054 A JP 50023054A JP 2305475 A JP2305475 A JP 2305475A JP S524111 A JPS524111 A JP S524111A
Authority
JP
Japan
Prior art keywords
reproduction
signal
optical record
record
changing
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
JP50023054A
Other languages
Japanese (ja)
Inventor
Chisato Miyaoka
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP50023054A priority Critical patent/JPS524111A/en
Publication of JPS524111A publication Critical patent/JPS524111A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To always ensure a desired focusing state by changing the lens positioning system at the time of optical medium-record of the video signal, etc.
COPYRIGHT: (C)1977,JPO&Japio
JP50023054A 1975-02-25 1975-02-25 Optical record and reproduction system of signal Pending JPS524111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50023054A JPS524111A (en) 1975-02-25 1975-02-25 Optical record and reproduction system of signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50023054A JPS524111A (en) 1975-02-25 1975-02-25 Optical record and reproduction system of signal

Publications (1)

Publication Number Publication Date
JPS524111A true JPS524111A (en) 1977-01-13

Family

ID=12099719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50023054A Pending JPS524111A (en) 1975-02-25 1975-02-25 Optical record and reproduction system of signal

Country Status (1)

Country Link
JP (1) JPS524111A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55116611U (en) * 1979-02-14 1980-08-18

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5019408A (en) * 1973-06-20 1975-02-28

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5019408A (en) * 1973-06-20 1975-02-28

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55116611U (en) * 1979-02-14 1980-08-18

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