FR506686A - Device for the photographic recording of sounds and their reproduction, in particular by means of mechanical musical and noise devices, telephones and phonographs - Google Patents

Device for the photographic recording of sounds and their reproduction, in particular by means of mechanical musical and noise devices, telephones and phonographs

Info

Publication number
FR506686A
FR506686A FR506686A FR506686DA FR506686A FR 506686 A FR506686 A FR 506686A FR 506686 A FR506686 A FR 506686A FR 506686D A FR506686D A FR 506686DA FR 506686 A FR506686 A FR 506686A
Authority
FR
France
Prior art keywords
phonographs
telephones
sounds
reproduction
photographic recording
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
FR506686A
Other languages
French (fr)
Inventor
Charles-Edouard-Eu Delacommune
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.)
CHARLES EDOUARD EUGENE DELACOM
Original Assignee
CHARLES EDOUARD EUGENE DELACOM
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 CHARLES EDOUARD EUGENE DELACOM filed Critical CHARLES EDOUARD EUGENE DELACOM
Application granted granted Critical
Publication of FR506686A publication Critical patent/FR506686A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR506686A 1919-11-28 1919-11-28 Device for the photographic recording of sounds and their reproduction, in particular by means of mechanical musical and noise devices, telephones and phonographs Expired FR506686A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR506686T 1919-11-28

Publications (1)

Publication Number Publication Date
FR506686A true FR506686A (en) 1920-08-27

Family

ID=8909267

Family Applications (1)

Application Number Title Priority Date Filing Date
FR506686A Expired FR506686A (en) 1919-11-28 1919-11-28 Device for the photographic recording of sounds and their reproduction, in particular by means of mechanical musical and noise devices, telephones and phonographs

Country Status (1)

Country Link
FR (1) FR506686A (en)

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