CA1024650A - High density information records and playback apparatus therefor - Google Patents

High density information records and playback apparatus therefor

Info

Publication number
CA1024650A
CA1024650A CA222,331A CA222331A CA1024650A CA 1024650 A CA1024650 A CA 1024650A CA 222331 A CA222331 A CA 222331A CA 1024650 A CA1024650 A CA 1024650A
Authority
CA
Canada
Prior art keywords
high density
playback apparatus
apparatus therefor
density information
information records
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
CA222,331A
Other languages
French (fr)
Other versions
CA222331S (en
Inventor
Thomas O. Stanley
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 CA136,597A external-priority patent/CA968277A/en
Application filed by RCA Corp filed Critical RCA Corp
Priority to CA222,331A priority Critical patent/CA1024650A/en
Application granted granted Critical
Publication of CA1024650A publication Critical patent/CA1024650A/en
Expired legal-status Critical Current

Links

CA222,331A 1971-03-22 1975-03-18 High density information records and playback apparatus therefor Expired CA1024650A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA222,331A CA1024650A (en) 1971-03-22 1975-03-18 High density information records and playback apparatus therefor

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12667871A 1971-03-22 1971-03-22
CA136,597A CA968277A (en) 1971-03-22 1972-03-08 High density information records and playback apparatus therefor
CA222,331A CA1024650A (en) 1971-03-22 1975-03-18 High density information records and playback apparatus therefor

Publications (1)

Publication Number Publication Date
CA1024650A true CA1024650A (en) 1978-01-17

Family

ID=27161832

Family Applications (1)

Application Number Title Priority Date Filing Date
CA222,331A Expired CA1024650A (en) 1971-03-22 1975-03-18 High density information records and playback apparatus therefor

Country Status (1)

Country Link
CA (1) CA1024650A (en)

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