JPS56107306A - Record disk - Google Patents

Record disk

Info

Publication number
JPS56107306A
JPS56107306A JP17446280A JP17446280A JPS56107306A JP S56107306 A JPS56107306 A JP S56107306A JP 17446280 A JP17446280 A JP 17446280A JP 17446280 A JP17446280 A JP 17446280A JP S56107306 A JPS56107306 A JP S56107306A
Authority
JP
Japan
Prior art keywords
record disk
record
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
JP17446280A
Other languages
Japanese (ja)
Inventor
Oobiru Kaizaa Yuujin
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Publication of JPS56107306A publication Critical patent/JPS56107306A/en
Pending legal-status Critical Current

Links

JP17446280A 1978-11-16 1980-12-09 Record disk Pending JPS56107306A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7844736 1978-11-16

Publications (1)

Publication Number Publication Date
JPS56107306A true JPS56107306A (en) 1981-08-26

Family

ID=10501085

Family Applications (2)

Application Number Title Priority Date Filing Date
JP14875279A Pending JPS5570902A (en) 1978-11-16 1979-11-15 Master recording method suitable for making record disk with flat reproduction surface
JP17446280A Pending JPS56107306A (en) 1978-11-16 1980-12-09 Record disk

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP14875279A Pending JPS5570902A (en) 1978-11-16 1979-11-15 Master recording method suitable for making record disk with flat reproduction surface

Country Status (1)

Country Link
JP (2) JPS5570902A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5398814A (en) * 1977-02-09 1978-08-29 Victor Co Of Japan Ltd Grooveless medium disc for information recording

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5398814A (en) * 1977-02-09 1978-08-29 Victor Co Of Japan Ltd Grooveless medium disc for information recording

Also Published As

Publication number Publication date
JPS5570902A (en) 1980-05-28

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