JPS6216255A - Optical information recording media - Google Patents

Optical information recording media

Info

Publication number
JPS6216255A
JPS6216255A JP15427985A JP15427985A JPS6216255A JP S6216255 A JPS6216255 A JP S6216255A JP 15427985 A JP15427985 A JP 15427985A JP 15427985 A JP15427985 A JP 15427985A JP S6216255 A JPS6216255 A JP S6216255A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
recording
area
information recording
recording media
disk
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
JP15427985A
Inventor
Junichi Otomo
Kouichi Tabe
Original Assignee
Toshiba 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

Links

Abstract

PURPOSE: To execute the optimum control for the recording film with a different material by recording beforehand at least one of physical characteristics of the material to form the recording film of the information recording media to the special area of the recording media.
CONSTITUTION: With the inner-most circumference of a recording area 7 of an optical disk 1 as a special recording area 10 which does not execute the information recording of the user, the constant to show the physical characteristic such as a reflecting ratio and a transmission ratio of the recording film of the disk is recorded. Consequently, at the time of recording, reproducing and erasion, the intensity of the light irradiated to the disk is read from the special area 10 and the optimum control can be executed.
COPYRIGHT: (C)1987,JPO&Japio
JP15427985A 1985-07-15 1985-07-15 Optical information recording media Pending JPS6216255A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15427985A JPS6216255A (en) 1985-07-15 1985-07-15 Optical information recording media

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15427985A JPS6216255A (en) 1985-07-15 1985-07-15 Optical information recording media

Publications (1)

Publication Number Publication Date
JPS6216255A true true JPS6216255A (en) 1987-01-24

Family

ID=15580682

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15427985A Pending JPS6216255A (en) 1985-07-15 1985-07-15 Optical information recording media

Country Status (1)

Country Link
JP (1) JPS6216255A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS647327A (en) * 1987-03-25 1989-01-11 Casio Computer Co Ltd Method and apparatus for optical information recording
JPS6433726A (en) * 1987-04-21 1989-02-03 Philips & Du Pont Optical Information signal recording system and recording medium and recorder for the system
EP0326215A1 (en) * 1988-01-26 1989-08-02 Philips Electronics N.V. Optically readable record carrier of the inscribable type and optical read apparatus for reading such a record carrier
JPH0273525A (en) * 1988-09-08 1990-03-13 Matsushita Electric Ind Co Ltd Optical reproducing device and recording medium
EP1128383A2 (en) * 2000-02-25 2001-08-29 Sony Corporation Recording medium, recording apparatus, and reading apparatus
US7505392B2 (en) 2003-11-18 2009-03-17 Hitachi Maxell, Ltd. Optical disk with a plurality of radially extending marks for recording reflectance data of the optical disk

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS647327A (en) * 1987-03-25 1989-01-11 Casio Computer Co Ltd Method and apparatus for optical information recording
JPS6433726A (en) * 1987-04-21 1989-02-03 Philips & Du Pont Optical Information signal recording system and recording medium and recorder for the system
EP0326215A1 (en) * 1988-01-26 1989-08-02 Philips Electronics N.V. Optically readable record carrier of the inscribable type and optical read apparatus for reading such a record carrier
US4933923A (en) * 1988-01-26 1990-06-12 U.S. Philips Corporation Optical record carrier inscribed with read-out control data and apparatus for reading such record carrier in conformity with such control data
JPH0273525A (en) * 1988-09-08 1990-03-13 Matsushita Electric Ind Co Ltd Optical reproducing device and recording medium
US6990052B2 (en) 2000-02-25 2006-01-24 Sony Corporation Recording medium, recording apparatus, and reading apparatus
EP1128383A3 (en) * 2000-02-25 2002-03-13 Sony Corporation Recording medium, recording apparatus, and reading apparatus
EP1128383A2 (en) * 2000-02-25 2001-08-29 Sony Corporation Recording medium, recording apparatus, and reading apparatus
US7006417B2 (en) 2000-02-25 2006-02-28 Sony Corporation Recording medium, recording apparatus, and reading apparatus
EP1840899A2 (en) * 2000-02-25 2007-10-03 Sony Corporation Recording medium, recording apparatus, and reading apparatus
US7307932B2 (en) 2000-02-25 2007-12-11 Sony Corporation Recording medium, recording apparatus, and reading apparatus
EP1840899A3 (en) * 2000-02-25 2013-12-11 Sony Corporation Recording medium, recording apparatus, and reading apparatus
US7505392B2 (en) 2003-11-18 2009-03-17 Hitachi Maxell, Ltd. Optical disk with a plurality of radially extending marks for recording reflectance data of the optical disk
US8009547B2 (en) 2003-11-18 2011-08-30 Hitachi Maxell, Ltd. Optical recording and reproducing apparatus capable of identifying the type of optical disc based on reflectance, and reproducing method for optical disc

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