FR342466A - Microphone à membrane verticale simple ou double - Google Patents

Microphone à membrane verticale simple ou double

Info

Publication number
FR342466A
FR342466A FR342466DA FR342466A FR 342466 A FR342466 A FR 342466A FR 342466D A FR342466D A FR 342466DA FR 342466 A FR342466 A FR 342466A
Authority
FR
France
Prior art keywords
double vertical
vertical diaphragm
diaphragm microphone
microphone
double
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.)
SOC IND DES TELEPHONES CONSTR
Original Assignee
SOC IND DES TELEPHONES CONSTR
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 SOC IND DES TELEPHONES CONSTR filed Critical SOC IND DES TELEPHONES CONSTR
Application granted granted Critical
Publication of FR342466A publication Critical patent/FR342466A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/05—Supports for telephone transmitters or receivers specially adapted for use on head, throat or breast
FR342466D 1904-04-19 1904-04-19 Microphone à membrane verticale simple ou double Expired FR342466A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR342466T 1904-04-19

Publications (1)

Publication Number Publication Date
FR342466A true FR342466A (fr) 1904-09-08

Family

ID=1391462

Family Applications (1)

Application Number Title Priority Date Filing Date
FR342466D Expired FR342466A (fr) 1904-04-19 1904-04-19 Microphone à membrane verticale simple ou double

Country Status (1)

Country Link
FR (1) FR342466A (fr)

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