FR17406E - Perfectionnement de la transmission téléphonique de la parole - Google Patents

Perfectionnement de la transmission téléphonique de la parole

Info

Publication number
FR17406E
FR17406E FR17406DA FR17406E FR 17406 E FR17406 E FR 17406E FR 17406D A FR17406D A FR 17406DA FR 17406 E FR17406 E FR 17406E
Authority
FR
France
Prior art keywords
improvement
speech transmission
telephone speech
telephone
transmission
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)
Inventor
Pierre-Emmanuel-Emile Raverot
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.)
PIERRE-EMMANUEL-EMILE RAVEROT
Original Assignee
PIERRE-EMMANUEL-EMILE RAVEROT
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 PIERRE-EMMANUEL-EMILE RAVEROT filed Critical PIERRE-EMMANUEL-EMILE RAVEROT
Application granted granted Critical
Publication of FR17406E publication Critical patent/FR17406E/fr
Expired legal-status Critical Current

Links

FR17406D 1912-12-20 1913-03-18 Perfectionnement de la transmission téléphonique de la parole Expired FR17406E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR452222T 1912-12-20
FR17406T 1913-03-18

Publications (1)

Publication Number Publication Date
FR17406E true FR17406E (fr) 1913-08-30

Family

ID=44248150

Family Applications (1)

Application Number Title Priority Date Filing Date
FR17406D Expired FR17406E (fr) 1912-12-20 1913-03-18 Perfectionnement de la transmission téléphonique de la parole

Country Status (1)

Country Link
FR (1) FR17406E (fr)

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