FR801782A - Sound-slit optical system - Google Patents

Sound-slit optical system

Info

Publication number
FR801782A
FR801782A FR801782DA FR801782A FR 801782 A FR801782 A FR 801782A FR 801782D A FR801782D A FR 801782DA FR 801782 A FR801782 A FR 801782A
Authority
FR
France
Prior art keywords
sound
optical system
slit optical
slit
optical
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR801782A publication Critical patent/FR801782A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
FR801782D 1935-02-21 1936-02-10 Sound-slit optical system Expired FR801782A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE801782X 1935-02-21

Publications (1)

Publication Number Publication Date
FR801782A true FR801782A (en) 1936-08-17

Family

ID=6716859

Family Applications (1)

Application Number Title Priority Date Filing Date
FR801782D Expired FR801782A (en) 1935-02-21 1936-02-10 Sound-slit optical system

Country Status (1)

Country Link
FR (1) FR801782A (en)

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