FR377785A - Dispositif de transmission téléphonique - Google Patents

Dispositif de transmission téléphonique

Info

Publication number
FR377785A
FR377785A FR377785A FR377785DA FR377785A FR 377785 A FR377785 A FR 377785A FR 377785 A FR377785 A FR 377785A FR 377785D A FR377785D A FR 377785DA FR 377785 A FR377785 A FR 377785A
Authority
FR
France
Prior art keywords
transmission device
telephone transmission
telephone
transmission
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
FR377785A
Other languages
English (en)
Inventor
Louis Maiche
Charles Marcelof
Xavier Roux
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.)
CHARLES MARCELOF
Original Assignee
CHARLES MARCELOF
Filing date
Publication date
Application filed by CHARLES MARCELOF filed Critical CHARLES MARCELOF
Application granted granted Critical
Publication of FR377785A publication Critical patent/FR377785A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of parties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR377785A 1906-07-21 Dispositif de transmission téléphonique Expired FR377785A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7734T

Publications (1)

Publication Number Publication Date
FR377785A true FR377785A (fr) 1907-09-14

Family

ID=8617672

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7734A Expired FR7734E (fr) Dispositif de transmission téléphonique
FR377785A Expired FR377785A (fr) 1906-07-21 Dispositif de transmission téléphonique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR7734A Expired FR7734E (fr) Dispositif de transmission téléphonique

Country Status (1)

Country Link
FR (2) FR377785A (fr)

Also Published As

Publication number Publication date
FR7734E (fr) 1907-10-01

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