FR569036A - New polyphone - Google Patents

New polyphone

Info

Publication number
FR569036A
FR569036A FR569036DA FR569036A FR 569036 A FR569036 A FR 569036A FR 569036D A FR569036D A FR 569036DA FR 569036 A FR569036 A FR 569036A
Authority
FR
France
Prior art keywords
polyphone
new
new polyphone
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR569036A publication Critical patent/FR569036A/en
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)
FR569036D 1923-07-25 1923-07-25 New polyphone Expired FR569036A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR569036T 1923-07-25

Publications (1)

Publication Number Publication Date
FR569036A true FR569036A (en) 1924-04-05

Family

ID=8948889

Family Applications (1)

Application Number Title Priority Date Filing Date
FR569036D Expired FR569036A (en) 1923-07-25 1923-07-25 New polyphone

Country Status (1)

Country Link
FR (1) FR569036A (en)

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