FR880712A - Dispositif traducteur son-lumière - Google Patents

Dispositif traducteur son-lumière

Info

Publication number
FR880712A
FR880712A FR880712DA FR880712A FR 880712 A FR880712 A FR 880712A FR 880712D A FR880712D A FR 880712DA FR 880712 A FR880712 A FR 880712A
Authority
FR
France
Prior art keywords
sound
translator device
light translator
light
translator
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
English (en)
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products 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
Application filed by Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of FR880712A publication Critical patent/FR880712A/fr
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
FR880712D 1940-02-14 1941-03-28 Dispositif traducteur son-lumière Expired FR880712A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US880712XA 1940-02-14 1940-02-14

Publications (1)

Publication Number Publication Date
FR880712A true FR880712A (fr) 1943-04-02

Family

ID=22209228

Family Applications (1)

Application Number Title Priority Date Filing Date
FR880712D Expired FR880712A (fr) 1940-02-14 1941-03-28 Dispositif traducteur son-lumière

Country Status (1)

Country Link
FR (1) FR880712A (fr)

Similar Documents

Publication Publication Date Title
FR938296A (fr) Dispositif téléphonique
FR873409A (fr) Dispositif essuie-glace
FR938800A (fr) Dispositif téléphonique
FR864401A (fr) Dispositif fixe-compresses
FR885617A (fr) Dispositif réfléchissant
FR880712A (fr) Dispositif traducteur son-lumière
FR866433A (fr) Dispositif de baraque démontable
CH225679A (de) Rastergerät.
FR867815A (fr) Dispositif manométrique
FR871826A (fr) Dispositif réfrigérant
FR871863A (fr) Dispositif cyclotronique
FR879741A (fr) Dispositif radiogoniométrique
FR864367A (fr) Appareil filtre-mesureur
FR949648A (fr) Dispositif antivol
FR865550A (fr) Dispositif anti-buée
FR904305A (fr) Dispositif de filtration
ES5881Y (es) Aparato acrotermo.
GR8979B (el) Φωτοπολλαπλασιαστικη συσκευη.
ES150702A1 (es) Dispositivo de fijación
FR887282A (fr) Dispositif de transmission
FR937790A (fr) Dispositif téléphonique
FR941908A (fr) Dispositif téléphonique
FR866739A (fr) Dispositif genre brûleur
FR875984A (fr) Appareil télautographique
FR900981A (fr) Appareil télégraphique