JPS5532248A - Optical recorder and reproducing device - Google Patents

Optical recorder and reproducing device

Info

Publication number
JPS5532248A
JPS5532248A JP10408078A JP10408078A JPS5532248A JP S5532248 A JPS5532248 A JP S5532248A JP 10408078 A JP10408078 A JP 10408078A JP 10408078 A JP10408078 A JP 10408078A JP S5532248 A JPS5532248 A JP S5532248A
Authority
JP
Japan
Prior art keywords
photo detector
disc
disc surface
focus
reproducing
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
JP10408078A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6138531B2 (cs
Inventor
Akira Ichinose
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 JP10408078A priority Critical patent/JPS5532248A/ja
Publication of JPS5532248A publication Critical patent/JPS5532248A/ja
Publication of JPS6138531B2 publication Critical patent/JPS6138531B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP10408078A 1978-08-25 1978-08-25 Optical recorder and reproducing device Granted JPS5532248A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10408078A JPS5532248A (en) 1978-08-25 1978-08-25 Optical recorder and reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10408078A JPS5532248A (en) 1978-08-25 1978-08-25 Optical recorder and reproducing device

Publications (2)

Publication Number Publication Date
JPS5532248A true JPS5532248A (en) 1980-03-06
JPS6138531B2 JPS6138531B2 (cs) 1986-08-29

Family

ID=14371157

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10408078A Granted JPS5532248A (en) 1978-08-25 1978-08-25 Optical recorder and reproducing device

Country Status (1)

Country Link
JP (1) JPS5532248A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5837850A (ja) * 1981-08-14 1983-03-05 トムソン−セエスエフ サンプリングを伴う光学的トラツク追跡装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5837850A (ja) * 1981-08-14 1983-03-05 トムソン−セエスエフ サンプリングを伴う光学的トラツク追跡装置

Also Published As

Publication number Publication date
JPS6138531B2 (cs) 1986-08-29

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