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AU514531B2 - Double mirror beam steering in video disc playback assembly - Google Patents
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AU514531B2 - Double mirror beam steering in video disc playback assembly - Google Patents

Double mirror beam steering in video disc playback assembly

Info

Publication number
AU514531B2
AU514531B2 AU42649/78A AU4264978A AU514531B2 AU 514531 B2 AU514531 B2 AU 514531B2 AU 42649/78 A AU42649/78 A AU 42649/78A AU 4264978 A AU4264978 A AU 4264978A AU 514531 B2 AU514531 B2 AU 514531B2
Authority
AU
Australia
Prior art keywords
video disc
beam steering
disc playback
double mirror
mirror beam
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
AU42649/78A
Other versions
AU4264978A (en
Inventor
J. E. and Dakin W. R 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
Discovision Associates
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
Application filed by Discovision Associates filed Critical Discovision Associates
Priority to AU42649/78A priority Critical patent/AU514531B2/en
Publication of AU4264978A publication Critical patent/AU4264978A/en
Application granted granted Critical
Publication of AU514531B2 publication Critical patent/AU514531B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
AU42649/78A 1978-12-18 1978-12-18 Double mirror beam steering in video disc playback assembly Expired AU514531B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU42649/78A AU514531B2 (en) 1978-12-18 1978-12-18 Double mirror beam steering in video disc playback assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU42649/78A AU514531B2 (en) 1978-12-18 1978-12-18 Double mirror beam steering in video disc playback assembly

Related Child Applications (2)

Application Number Title Priority Date Filing Date
AU65147/80A Division AU521390B2 (en) 1980-12-05 1980-12-05 Videodisc player
AU65146/80A Division AU523182B2 (en) 1980-12-05 1980-12-05 Videodisc beam tracking apparatus

Publications (2)

Publication Number Publication Date
AU4264978A AU4264978A (en) 1980-12-11
AU514531B2 true AU514531B2 (en) 1981-02-12

Family

ID=3729857

Family Applications (1)

Application Number Title Priority Date Filing Date
AU42649/78A Expired AU514531B2 (en) 1978-12-18 1978-12-18 Double mirror beam steering in video disc playback assembly

Country Status (1)

Country Link
AU (1) AU514531B2 (en)

Also Published As

Publication number Publication date
AU4264978A (en) 1980-12-11

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