FR536736A - Improvements to telephone receivers - Google Patents

Improvements to telephone receivers

Info

Publication number
FR536736A
FR536736A FR536736DA FR536736A FR 536736 A FR536736 A FR 536736A FR 536736D A FR536736D A FR 536736DA FR 536736 A FR536736 A FR 536736A
Authority
FR
France
Prior art keywords
telephone receivers
receivers
telephone
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
French (fr)
Inventor
Paul Brunet
Maurice Grenier
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 filed Critical
Application granted granted Critical
Publication of FR536736A publication Critical patent/FR536736A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/03Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR536736D 1920-11-06 1920-11-06 Improvements to telephone receivers Expired FR536736A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR536736T 1920-11-06

Publications (1)

Publication Number Publication Date
FR536736A true FR536736A (en) 1922-05-08

Family

ID=8927003

Family Applications (1)

Application Number Title Priority Date Filing Date
FR536736D Expired FR536736A (en) 1920-11-06 1920-11-06 Improvements to telephone receivers

Country Status (1)

Country Link
FR (1) FR536736A (en)

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