FR393541A - Récepteur téléphonique - Google Patents

Récepteur téléphonique

Info

Publication number
FR393541A
FR393541A FR393541DA FR393541A FR 393541 A FR393541 A FR 393541A FR 393541D A FR393541D A FR 393541DA FR 393541 A FR393541 A FR 393541A
Authority
FR
France
Prior art keywords
telephone receiver
telephone
receiver
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)
Inventor
Heinrich Wilhelm Hellmann
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR393541A publication Critical patent/FR393541A/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)
FR393541D 1908-07-25 1908-07-25 Récepteur téléphonique Expired FR393541A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR393541T 1908-07-25

Publications (1)

Publication Number Publication Date
FR393541A true FR393541A (fr) 1908-12-24

Family

ID=1438836

Family Applications (1)

Application Number Title Priority Date Filing Date
FR393541D Expired FR393541A (fr) 1908-07-25 1908-07-25 Récepteur téléphonique

Country Status (1)

Country Link
FR (1) FR393541A (fr)

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