FR40099E - Improvements to films - Google Patents

Improvements to films

Info

Publication number
FR40099E
FR40099E FR40099DA FR40099E FR 40099 E FR40099 E FR 40099E FR 40099D A FR40099D A FR 40099DA FR 40099 E FR40099 E FR 40099E
Authority
FR
France
Prior art keywords
films
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
Other languages
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR40099E publication Critical patent/FR40099E/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
    • G11B7/28—Re-recording, i.e. transcribing information from one optical record carrier on to one or more similar or dissimilar record carriers
FR40099D 1931-04-10 1931-04-10 Improvements to films Expired FR40099E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR40099T 1931-04-10

Publications (1)

Publication Number Publication Date
FR40099E true FR40099E (en) 1932-04-20

Family

ID=8676422

Family Applications (1)

Application Number Title Priority Date Filing Date
FR40099D Expired FR40099E (en) 1931-04-10 1931-04-10 Improvements to films

Country Status (1)

Country Link
FR (1) FR40099E (en)

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