JPS61174093U - - Google Patents

Info

Publication number
JPS61174093U
JPS61174093U JP1985057200U JP5720085U JPS61174093U JP S61174093 U JPS61174093 U JP S61174093U JP 1985057200 U JP1985057200 U JP 1985057200U JP 5720085 U JP5720085 U JP 5720085U JP S61174093 U JPS61174093 U JP S61174093U
Authority
JP
Japan
Prior art keywords
optical recording
disk
protrusions
parts
area
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
JP1985057200U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP1985057200U priority Critical patent/JPS61174093U/ja
Priority to EP86104268A priority patent/EP0199136B1/en
Priority to DE8686104268T priority patent/DE3686081T2/de
Priority to US06/845,636 priority patent/US4739345A/en
Publication of JPS61174093U publication Critical patent/JPS61174093U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP1985057200U 1985-04-17 1985-04-17 Pending JPS61174093U (US20090158533A1-20090625-C00001.png)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1985057200U JPS61174093U (US20090158533A1-20090625-C00001.png) 1985-04-17 1985-04-17
EP86104268A EP0199136B1 (en) 1985-04-17 1986-03-27 Optical recording disc
DE8686104268T DE3686081T2 (de) 1985-04-17 1986-03-27 Optische aufnahmeplatte.
US06/845,636 US4739345A (en) 1985-04-17 1986-03-28 Optical recording disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985057200U JPS61174093U (US20090158533A1-20090625-C00001.png) 1985-04-17 1985-04-17

Publications (1)

Publication Number Publication Date
JPS61174093U true JPS61174093U (US20090158533A1-20090625-C00001.png) 1986-10-29

Family

ID=30581507

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985057200U Pending JPS61174093U (US20090158533A1-20090625-C00001.png) 1985-04-17 1985-04-17

Country Status (1)

Country Link
JP (1) JPS61174093U (US20090158533A1-20090625-C00001.png)

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