JPS5328404A - Optical information re producer - Google Patents

Optical information re producer

Info

Publication number
JPS5328404A
JPS5328404A JP10277976A JP10277976A JPS5328404A JP S5328404 A JPS5328404 A JP S5328404A JP 10277976 A JP10277976 A JP 10277976A JP 10277976 A JP10277976 A JP 10277976A JP S5328404 A JPS5328404 A JP S5328404A
Authority
JP
Japan
Prior art keywords
producer
optical information
detection
arranging
accomplished
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
JP10277976A
Other languages
Japanese (ja)
Inventor
Kazuo Okada
Naohiro Tomikawa
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP10277976A priority Critical patent/JPS5328404A/en
Publication of JPS5328404A publication Critical patent/JPS5328404A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: Number of parts is reduced by so arranging the device that the detection of the information recorded in an optical recording carrier and the detection of the variations of the focus position of a condensing lens are accomplished by one light beam.
COPYRIGHT: (C)1978,JPO&Japio
JP10277976A 1976-08-27 1976-08-27 Optical information re producer Pending JPS5328404A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10277976A JPS5328404A (en) 1976-08-27 1976-08-27 Optical information re producer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10277976A JPS5328404A (en) 1976-08-27 1976-08-27 Optical information re producer

Publications (1)

Publication Number Publication Date
JPS5328404A true JPS5328404A (en) 1978-03-16

Family

ID=14336623

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10277976A Pending JPS5328404A (en) 1976-08-27 1976-08-27 Optical information re producer

Country Status (1)

Country Link
JP (1) JPS5328404A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54155832A (en) * 1978-05-30 1979-12-08 Canon Inc Focusing detector
JPS58171731A (en) * 1983-02-21 1983-10-08 Mitsubishi Electric Corp Disc reproducing device
US4441175A (en) * 1982-01-25 1984-04-03 Magnetic Peripherals Inc. Partial beam focus sensing in an optical recording system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54155832A (en) * 1978-05-30 1979-12-08 Canon Inc Focusing detector
US4441175A (en) * 1982-01-25 1984-04-03 Magnetic Peripherals Inc. Partial beam focus sensing in an optical recording system
JPS58171731A (en) * 1983-02-21 1983-10-08 Mitsubishi Electric Corp Disc reproducing device
JPS6256580B2 (en) * 1983-02-21 1987-11-26 Mitsubishi Electric Corp

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