FR390346A - Device for telephone transmitter and receiver - Google Patents

Device for telephone transmitter and receiver

Info

Publication number
FR390346A
FR390346A FR390346DA FR390346A FR 390346 A FR390346 A FR 390346A FR 390346D A FR390346D A FR 390346DA FR 390346 A FR390346 A FR 390346A
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
Louis Maiche
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 FR390346A publication Critical patent/FR390346A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Coils Or Transformers For Communication (AREA)
FR390346D 1907-05-21 1908-05-18 Device for telephone transmitter and receiver Expired FR390346A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE208495T 1907-05-21

Publications (1)

Publication Number Publication Date
FR390346A true FR390346A (en) 1908-10-02

Family

ID=5794272

Family Applications (1)

Application Number Title Priority Date Filing Date
FR390346D Expired FR390346A (en) 1907-05-21 1908-05-18 Device for telephone transmitter and receiver

Country Status (2)

Country Link
DE (1) DE208495C (en)
FR (1) FR390346A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE759835C (en) * 1937-12-24 1952-12-15 Siemens & Halske A G Transmitter with iron core and with a fixed transmission ratio other than 1

Also Published As

Publication number Publication date
DE208495C (en)

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