JPS52153323A - Signal draw-out method for reproduction unit of disk recording medium - Google Patents

Signal draw-out method for reproduction unit of disk recording medium

Info

Publication number
JPS52153323A
JPS52153323A JP6967776A JP6967776A JPS52153323A JP S52153323 A JPS52153323 A JP S52153323A JP 6967776 A JP6967776 A JP 6967776A JP 6967776 A JP6967776 A JP 6967776A JP S52153323 A JPS52153323 A JP S52153323A
Authority
JP
Japan
Prior art keywords
recording medium
reproduction unit
disk recording
out method
signal draw
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
JP6967776A
Other languages
Japanese (ja)
Inventor
Shohei Nagai
Kenichi Oikami
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP6967776A priority Critical patent/JPS52153323A/en
Publication of JPS52153323A publication Critical patent/JPS52153323A/en
Pending legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)

Abstract

PURPOSE: To draw out good-quality video signals and tracking signals simultaneously by limiting th ephase difference given to the illumination light from pit within a certain range.
COPYRIGHT: (C)1977,JPO&Japio
JP6967776A 1976-06-16 1976-06-16 Signal draw-out method for reproduction unit of disk recording medium Pending JPS52153323A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6967776A JPS52153323A (en) 1976-06-16 1976-06-16 Signal draw-out method for reproduction unit of disk recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6967776A JPS52153323A (en) 1976-06-16 1976-06-16 Signal draw-out method for reproduction unit of disk recording medium

Publications (1)

Publication Number Publication Date
JPS52153323A true JPS52153323A (en) 1977-12-20

Family

ID=13409711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6967776A Pending JPS52153323A (en) 1976-06-16 1976-06-16 Signal draw-out method for reproduction unit of disk recording medium

Country Status (1)

Country Link
JP (1) JPS52153323A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5992118A (en) * 1995-09-29 1999-11-30 Git Tunnelbau Gmbh Segment for lining cavities

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5992118A (en) * 1995-09-29 1999-11-30 Git Tunnelbau Gmbh Segment for lining cavities

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