FR471562A - Transmetteur microphonique - Google Patents

Transmetteur microphonique

Info

Publication number
FR471562A
FR471562A FR471562DA FR471562A FR 471562 A FR471562 A FR 471562A FR 471562D A FR471562D A FR 471562DA FR 471562 A FR471562 A FR 471562A
Authority
FR
France
Prior art keywords
microphone transmitter
microphone
transmitter
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.)
AUTOMATIC ENUNCIATOR Co
Original Assignee
AUTOMATIC ENUNCIATOR Co
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 AUTOMATIC ENUNCIATOR Co filed Critical AUTOMATIC ENUNCIATOR Co
Application granted granted Critical
Publication of FR471562A publication Critical patent/FR471562A/fr
Expired legal-status Critical Current

Links

FR471562D 1914-04-30 1914-04-30 Transmetteur microphonique Expired FR471562A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR471562T 1914-04-30

Publications (1)

Publication Number Publication Date
FR471562A true FR471562A (fr) 1914-11-03

Family

ID=43351403

Family Applications (1)

Application Number Title Priority Date Filing Date
FR471562D Expired FR471562A (fr) 1914-04-30 1914-04-30 Transmetteur microphonique

Country Status (1)

Country Link
FR (1) FR471562A (fr)

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