CA1066412A - Dispositif de guidage de faisceau a miroir double pour systeme de lecture de video-disques - Google Patents

Dispositif de guidage de faisceau a miroir double pour systeme de lecture de video-disques

Info

Publication number
CA1066412A
CA1066412A CA280,070A CA280070A CA1066412A CA 1066412 A CA1066412 A CA 1066412A CA 280070 A CA280070 A CA 280070A CA 1066412 A CA1066412 A CA 1066412A
Authority
CA
Canada
Prior art keywords
disc
mirrors
reading beam
reading
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
CA280,070A
Other languages
English (en)
Inventor
James E. Elliot
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 CA280,070A priority Critical patent/CA1066412A/fr
Application granted granted Critical
Publication of CA1066412A publication Critical patent/CA1066412A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
CA280,070A 1972-10-24 1977-06-08 Dispositif de guidage de faisceau a miroir double pour systeme de lecture de video-disques Expired CA1066412A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA280,070A CA1066412A (fr) 1972-10-24 1977-06-08 Dispositif de guidage de faisceau a miroir double pour systeme de lecture de video-disques

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
CA280,070A CA1066412A (fr) 1972-10-24 1977-06-08 Dispositif de guidage de faisceau a miroir double pour systeme de lecture de video-disques

Publications (1)

Publication Number Publication Date
CA1066412A true CA1066412A (fr) 1979-11-13

Family

ID=25668521

Family Applications (1)

Application Number Title Priority Date Filing Date
CA280,070A Expired CA1066412A (fr) 1972-10-24 1977-06-08 Dispositif de guidage de faisceau a miroir double pour systeme de lecture de video-disques

Country Status (1)

Country Link
CA (1) CA1066412A (fr)

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