FR948506A - Système de transmission téléphonique - Google Patents

Système de transmission téléphonique

Info

Publication number
FR948506A
FR948506A FR948506DA FR948506A FR 948506 A FR948506 A FR 948506A FR 948506D A FR948506D A FR 948506DA FR 948506 A FR948506 A FR 948506A
Authority
FR
France
Prior art keywords
transmission system
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
Other languages
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR948506A publication Critical patent/FR948506A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/16—Arrangements for interconnection between switching centres in systems employing carrier frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR948506D 1941-05-13 1947-06-24 Système de transmission téléphonique Expired FR948506A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US948506XA 1941-05-13 1941-05-13

Publications (1)

Publication Number Publication Date
FR948506A true FR948506A (fr) 1949-08-03

Family

ID=22247542

Family Applications (1)

Application Number Title Priority Date Filing Date
FR948506D Expired FR948506A (fr) 1941-05-13 1947-06-24 Système de transmission téléphonique

Country Status (1)

Country Link
FR (1) FR948506A (fr)

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