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CA1070834A - Tourne-disque video - Google Patents

Tourne-disque video

Info

Publication number
CA1070834A
CA1070834A CA314,702A CA314702A CA1070834A CA 1070834 A CA1070834 A CA 1070834A CA 314702 A CA314702 A CA 314702A CA 1070834 A CA1070834 A CA 1070834A
Authority
CA
Canada
Prior art keywords
disc
reading
reading beam
path
mirrors
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
CA314,702A
Other languages
English (en)
Inventor
James E. Elliott
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.)
Discovision Associates
Original Assignee
MCA Discovision Inc
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 US00299893A external-priority patent/US3829622A/en
Application filed by MCA Discovision Inc filed Critical MCA Discovision Inc
Priority to CA314,702A priority Critical patent/CA1070834A/fr
Application granted granted Critical
Publication of CA1070834A publication Critical patent/CA1070834A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
CA314,702A 1972-10-24 1978-10-30 Tourne-disque video Expired CA1070834A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA314,702A CA1070834A (fr) 1972-10-24 1978-10-30 Tourne-disque video

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00299893A US3829622A (en) 1972-10-24 1972-10-24 Video disc player with variably biased pneumatic head
CA314,702A CA1070834A (fr) 1972-10-24 1978-10-30 Tourne-disque video

Publications (1)

Publication Number Publication Date
CA1070834A true CA1070834A (fr) 1980-01-29

Family

ID=25668806

Family Applications (1)

Application Number Title Priority Date Filing Date
CA314,702A Expired CA1070834A (fr) 1972-10-24 1978-10-30 Tourne-disque video

Country Status (1)

Country Link
CA (1) CA1070834A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry