FR399247A - Microtéléphone à main - Google Patents

Microtéléphone à main

Info

Publication number
FR399247A
FR399247A FR399247DA FR399247A FR 399247 A FR399247 A FR 399247A FR 399247D A FR399247D A FR 399247DA FR 399247 A FR399247 A FR 399247A
Authority
FR
France
Prior art keywords
hand
held microphone
microphone
held
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.)
MAISON ROUSSELLE ET TOURNAIRE
Original Assignee
MAISON ROUSSELLE ET TOURNAIRE
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 MAISON ROUSSELLE ET TOURNAIRE filed Critical MAISON ROUSSELLE ET TOURNAIRE
Application granted granted Critical
Publication of FR399247A publication Critical patent/FR399247A/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)
FR399247D 1909-02-08 1909-02-08 Microtéléphone à main Expired FR399247A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR399247T 1909-02-08

Publications (1)

Publication Number Publication Date
FR399247A true FR399247A (fr) 1909-06-25

Family

ID=1444216

Family Applications (1)

Application Number Title Priority Date Filing Date
FR399247D Expired FR399247A (fr) 1909-02-08 1909-02-08 Microtéléphone à main

Country Status (1)

Country Link
FR (1) FR399247A (fr)

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