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FR890834A - Sound-visual exploration device - Google Patents

Sound-visual exploration device

Info

Publication number
FR890834A
FR890834A FR890834DA FR890834A FR 890834 A FR890834 A FR 890834A FR 890834D A FR890834D A FR 890834DA FR 890834 A FR890834 A FR 890834A
Authority
FR
France
Prior art keywords
sound
exploration device
visual exploration
visual
exploration
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.)
Klangfilm GmbH
Original Assignee
Klangfilm GmbH
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 Klangfilm GmbH filed Critical Klangfilm GmbH
Application granted granted Critical
Publication of FR890834A publication Critical patent/FR890834A/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
FR890834D 1942-03-31 1943-02-09 Sound-visual exploration device Expired FR890834A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE890834X 1942-03-31

Publications (1)

Publication Number Publication Date
FR890834A true FR890834A (en) 1944-02-18

Family

ID=6840906

Family Applications (1)

Application Number Title Priority Date Filing Date
FR890834D Expired FR890834A (en) 1942-03-31 1943-02-09 Sound-visual exploration device

Country Status (1)

Country Link
FR (1) FR890834A (en)

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