JPS5429606A - Information signal recording carrier - Google Patents

Information signal recording carrier

Info

Publication number
JPS5429606A
JPS5429606A JP9538977A JP9538977A JPS5429606A JP S5429606 A JPS5429606 A JP S5429606A JP 9538977 A JP9538977 A JP 9538977A JP 9538977 A JP9538977 A JP 9538977A JP S5429606 A JPS5429606 A JP S5429606A
Authority
JP
Japan
Prior art keywords
information signal
signal recording
recording carrier
portions
reproduction
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
JP9538977A
Other languages
Japanese (ja)
Inventor
Katsuto Uetake
Takahiro Kubo
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
Mitsubishi Electric Corp
Original Assignee
Teac Corp
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 Teac Corp, Mitsubishi Electric Corp filed Critical Teac Corp
Priority to JP9538977A priority Critical patent/JPS5429606A/en
Publication of JPS5429606A publication Critical patent/JPS5429606A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

PURPOSE:To enable the same reproduction as silver salt photosensitive discs through the use of the similar process as for audio records in reproduction of video discs by changing reflactance or transmittance between pit portions and other portions.
JP9538977A 1977-08-09 1977-08-09 Information signal recording carrier Pending JPS5429606A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9538977A JPS5429606A (en) 1977-08-09 1977-08-09 Information signal recording carrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9538977A JPS5429606A (en) 1977-08-09 1977-08-09 Information signal recording carrier

Publications (1)

Publication Number Publication Date
JPS5429606A true JPS5429606A (en) 1979-03-05

Family

ID=14136284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9538977A Pending JPS5429606A (en) 1977-08-09 1977-08-09 Information signal recording carrier

Country Status (1)

Country Link
JP (1) JPS5429606A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1956626A (en) * 1931-03-14 1934-05-01 Percy A Robbins Translucent sound record
JPS5137485A (en) * 1974-09-25 1976-03-29 Dainippon Toryo Kk Fun ryutainoyusobunpaihoho oyobisono sochi

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1956626A (en) * 1931-03-14 1934-05-01 Percy A Robbins Translucent sound record
JPS5137485A (en) * 1974-09-25 1976-03-29 Dainippon Toryo Kk Fun ryutainoyusobunpaihoho oyobisono sochi

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