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AU486804B2 - Trapezoidal smooth grooves for videodisc - Google Patents
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AU486804B2 - Trapezoidal smooth grooves for videodisc - Google Patents

Trapezoidal smooth grooves for videodisc

Info

Publication number
AU486804B2
AU486804B2 AU65164/74A AU6516474A AU486804B2 AU 486804 B2 AU486804 B2 AU 486804B2 AU 65164/74 A AU65164/74 A AU 65164/74A AU 6516474 A AU6516474 A AU 6516474A AU 486804 B2 AU486804 B2 AU 486804B2
Authority
AU
Australia
Prior art keywords
videodisc
smooth grooves
trapezoidal smooth
trapezoidal
grooves
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.)
Expired
Application number
AU65164/74A
Other versions
AU6516474A (en
Inventor
William Musker And Leonard Pincus Fox Richard
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
Priority claimed from US331235A external-priority patent/US3882214A/en
Application filed by RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of AU486804B2 publication Critical patent/AU486804B2/en
Publication of AU6516474A publication Critical patent/AU6516474A/en
Expired legal-status Critical Current

Links

AU65164/74A 1973-02-09 1974-02-04 Trapezoidal smooth grooves for videodisc Expired AU486804B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
USUS331235 1973-02-09
US331235A US3882214A (en) 1973-02-09 1973-02-09 Trapezoidal smooth grooves for video disc

Publications (2)

Publication Number Publication Date
AU486804B2 true AU486804B2 (en) 1975-08-07
AU6516474A AU6516474A (en) 1975-08-07

Family

ID=

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