FR492572A - Telephone transmitter and receiver - Google Patents

Telephone transmitter and receiver

Info

Publication number
FR492572A
FR492572A FR492572DA FR492572A FR 492572 A FR492572 A FR 492572A FR 492572D A FR492572D A FR 492572DA FR 492572 A FR492572 A FR 492572A
Authority
FR
France
Prior art keywords
receiver
telephone transmitter
telephone
transmitter
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
Rene Darmezin Du Rousset
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.)
RENE DARMEZIN DU ROUSSET
Original Assignee
RENE DARMEZIN DU ROUSSET
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 RENE DARMEZIN DU ROUSSET filed Critical RENE DARMEZIN DU ROUSSET
Application granted granted Critical
Publication of FR492572A publication Critical patent/FR492572A/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
    • H04M1/04Supports for telephone transmitters or receivers
    • H04M1/05Supports 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)
FR492572D 1915-09-20 1915-09-20 Telephone transmitter and receiver Expired FR492572A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR492572T 1915-09-20

Publications (1)

Publication Number Publication Date
FR492572A true FR492572A (en) 1919-07-11

Family

ID=1528428

Family Applications (1)

Application Number Title Priority Date Filing Date
FR492572D Expired FR492572A (en) 1915-09-20 1915-09-20 Telephone transmitter and receiver

Country Status (1)

Country Link
FR (1) FR492572A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2535269A (en) * 1946-09-13 1950-12-26 Coie William Roy Head support for telephones

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2535269A (en) * 1946-09-13 1950-12-26 Coie William Roy Head support for telephones

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