JPS5310407A - Optical information reader - Google Patents

Optical information reader

Info

Publication number
JPS5310407A
JPS5310407A JP8471976A JP8471976A JPS5310407A JP S5310407 A JPS5310407 A JP S5310407A JP 8471976 A JP8471976 A JP 8471976A JP 8471976 A JP8471976 A JP 8471976A JP S5310407 A JPS5310407 A JP S5310407A
Authority
JP
Japan
Prior art keywords
optical information
information reader
reader
optical
information
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
JP8471976A
Other languages
Japanese (ja)
Inventor
Kenjirou Gotou
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.)
Mansei Kogyo KK
Original Assignee
Mansei Kogyo KK
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 Mansei Kogyo KK filed Critical Mansei Kogyo KK
Priority to JP8471976A priority Critical patent/JPS5310407A/en
Publication of JPS5310407A publication Critical patent/JPS5310407A/en
Pending legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
JP8471976A 1976-07-16 1976-07-16 Optical information reader Pending JPS5310407A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8471976A JPS5310407A (en) 1976-07-16 1976-07-16 Optical information reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8471976A JPS5310407A (en) 1976-07-16 1976-07-16 Optical information reader

Publications (1)

Publication Number Publication Date
JPS5310407A true JPS5310407A (en) 1978-01-30

Family

ID=13838478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8471976A Pending JPS5310407A (en) 1976-07-16 1976-07-16 Optical information reader

Country Status (1)

Country Link
JP (1) JPS5310407A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58175149A (en) * 1982-04-07 1983-10-14 Hitachi Ltd Optical pickup device
US4546460A (en) * 1981-10-22 1985-10-08 Tokyo Shibaura Denki Kabushiki Kaisha Videodisc autofocus device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4993003A (en) * 1972-12-25 1974-09-04
JPS50119661A (en) * 1974-02-15 1975-09-19

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4993003A (en) * 1972-12-25 1974-09-04
JPS50119661A (en) * 1974-02-15 1975-09-19

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4546460A (en) * 1981-10-22 1985-10-08 Tokyo Shibaura Denki Kabushiki Kaisha Videodisc autofocus device
JPS58175149A (en) * 1982-04-07 1983-10-14 Hitachi Ltd Optical pickup device
JPH0580055B2 (en) * 1982-04-07 1993-11-05 Hitachi Ltd

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