FR365623A - Microtéléphone perfectionné - Google Patents

Microtéléphone perfectionné

Info

Publication number
FR365623A
FR365623A FR365623DA FR365623A FR 365623 A FR365623 A FR 365623A FR 365623D A FR365623D A FR 365623DA FR 365623 A FR365623 A FR 365623A
Authority
FR
France
Prior art keywords
microphone
advanced
advanced microphone
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.)
CIE D APP ELECTR
Original Assignee
CIE D APP ELECTR
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 CIE D APP ELECTR filed Critical CIE D APP ELECTR
Application granted granted Critical
Publication of FR365623A publication Critical patent/FR365623A/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
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR365623D 1906-03-26 1906-03-26 Microtéléphone perfectionné Expired FR365623A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR365623T 1906-03-26

Publications (1)

Publication Number Publication Date
FR365623A true FR365623A (fr) 1906-09-12

Family

ID=1412893

Family Applications (1)

Application Number Title Priority Date Filing Date
FR365623D Expired FR365623A (fr) 1906-03-26 1906-03-26 Microtéléphone perfectionné

Country Status (1)

Country Link
FR (1) FR365623A (fr)

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