FR971884A - Device for eliminating disturbances in the reception by photo-telephony or photo-telegraphy - Google Patents

Device for eliminating disturbances in the reception by photo-telephony or photo-telegraphy

Info

Publication number
FR971884A
FR971884A FR971884DA FR971884A FR 971884 A FR971884 A FR 971884A FR 971884D A FR971884D A FR 971884DA FR 971884 A FR971884 A FR 971884A
Authority
FR
France
Prior art keywords
photo
telegraphy
telephony
reception
eliminating disturbances
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)
Inventor
Jean-Baptiste-Joseph Abadie
Ozjasz Heszel Ingber
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 filed Critical
Application granted granted Critical
Publication of FR971884A publication Critical patent/FR971884A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
FR971884D 1940-03-23 1940-03-23 Device for eliminating disturbances in the reception by photo-telephony or photo-telegraphy Expired FR971884A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR971884T 1940-03-23

Publications (1)

Publication Number Publication Date
FR971884A true FR971884A (en) 1951-01-23

Family

ID=9515545

Family Applications (1)

Application Number Title Priority Date Filing Date
FR971884D Expired FR971884A (en) 1940-03-23 1940-03-23 Device for eliminating disturbances in the reception by photo-telephony or photo-telegraphy

Country Status (1)

Country Link
FR (1) FR971884A (en)

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