FR392764A - Telephone device - Google Patents

Telephone device

Info

Publication number
FR392764A
FR392764A FR392764A FR392764DA FR392764A FR 392764 A FR392764 A FR 392764A FR 392764 A FR392764 A FR 392764A FR 392764D A FR392764D A FR 392764DA FR 392764 A FR392764 A FR 392764A
Authority
FR
France
Prior art keywords
telephone device
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
FR392764A
Other languages
French (fr)
Inventor
Arthur Middleton Cobb
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
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR392764A publication Critical patent/FR392764A/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
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/05—Supports for telephone transmitters or receivers specially adapted for use on head, throat or breast

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
FR392764A 1908-07-28 Telephone device Expired FR392764A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE215543T

Publications (1)

Publication Number Publication Date
FR392764A true FR392764A (en) 1908-12-04

Family

ID=5824513

Family Applications (1)

Application Number Title Priority Date Filing Date
FR392764A Expired FR392764A (en) 1908-07-28 Telephone device

Country Status (2)

Country Link
DE (1) DE215543C (en)
FR (1) FR392764A (en)

Also Published As

Publication number Publication date
DE215543C (en)

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