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CA1071768A - Trajet de faisceau lumineux pour lecture de disque video - Google Patents

Trajet de faisceau lumineux pour lecture de disque video

Info

Publication number
CA1071768A
CA1071768A CA314,705A CA314705A CA1071768A CA 1071768 A CA1071768 A CA 1071768A CA 314705 A CA314705 A CA 314705A CA 1071768 A CA1071768 A CA 1071768A
Authority
CA
Canada
Prior art keywords
path
reading
directing
path portion
reflected
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
CA314,705A
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 CA314,705A priority Critical patent/CA1071768A/fr
Application granted granted Critical
Publication of CA1071768A publication Critical patent/CA1071768A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
CA314,705A 1972-10-24 1978-10-30 Trajet de faisceau lumineux pour lecture de disque video Expired CA1071768A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA314,705A CA1071768A (fr) 1972-10-24 1978-10-30 Trajet de faisceau lumineux pour lecture de 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
CA314,705A CA1071768A (fr) 1972-10-24 1978-10-30 Trajet de faisceau lumineux pour lecture de disque video

Publications (1)

Publication Number Publication Date
CA1071768A true CA1071768A (fr) 1980-02-12

Family

ID=25668809

Family Applications (1)

Application Number Title Priority Date Filing Date
CA314,705A Expired CA1071768A (fr) 1972-10-24 1978-10-30 Trajet de faisceau lumineux pour lecture de disque video

Country Status (1)

Country Link
CA (1) CA1071768A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry