JPS6130326B2 - - Google Patents

Info

Publication number
JPS6130326B2
JPS6130326B2 JP55045449A JP4544980A JPS6130326B2 JP S6130326 B2 JPS6130326 B2 JP S6130326B2 JP 55045449 A JP55045449 A JP 55045449A JP 4544980 A JP4544980 A JP 4544980A JP S6130326 B2 JPS6130326 B2 JP S6130326B2
Authority
JP
Japan
Prior art keywords
light
light beam
disk
light beams
convex lens
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
JP55045449A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56143545A (en
Inventor
Tadao Nagai
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.)
Teac Corp
Original Assignee
Teac 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 Teac Corp filed Critical Teac Corp
Priority to JP4544980A priority Critical patent/JPS56143545A/ja
Publication of JPS56143545A publication Critical patent/JPS56143545A/ja
Publication of JPS6130326B2 publication Critical patent/JPS6130326B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Optical Recording Or Reproduction (AREA)
JP4544980A 1980-04-07 1980-04-07 Optical reproducing device Granted JPS56143545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4544980A JPS56143545A (en) 1980-04-07 1980-04-07 Optical reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4544980A JPS56143545A (en) 1980-04-07 1980-04-07 Optical reproducing device

Publications (2)

Publication Number Publication Date
JPS56143545A JPS56143545A (en) 1981-11-09
JPS6130326B2 true JPS6130326B2 (forum.php) 1986-07-12

Family

ID=12719643

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4544980A Granted JPS56143545A (en) 1980-04-07 1980-04-07 Optical reproducing device

Country Status (1)

Country Link
JP (1) JPS56143545A (forum.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62139220U (forum.php) * 1986-02-26 1987-09-02

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62139220U (forum.php) * 1986-02-26 1987-09-02

Also Published As

Publication number Publication date
JPS56143545A (en) 1981-11-09

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