FR881248A - Improvements to telephone systems - Google Patents

Improvements to telephone systems

Info

Publication number
FR881248A
FR881248A FR881248DA FR881248A FR 881248 A FR881248 A FR 881248A FR 881248D A FR881248D A FR 881248DA FR 881248 A FR881248 A FR 881248A
Authority
FR
France
Prior art keywords
telephone systems
telephone
systems
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)
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.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite SA
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 Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Application granted granted Critical
Publication of FR881248A publication Critical patent/FR881248A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR881248D 1941-12-18 1941-12-18 Improvements to telephone systems Expired FR881248A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR881248T 1941-12-18

Publications (1)

Publication Number Publication Date
FR881248A true FR881248A (en) 1943-04-19

Family

ID=9370341

Family Applications (1)

Application Number Title Priority Date Filing Date
FR881248D Expired FR881248A (en) 1941-12-18 1941-12-18 Improvements to telephone systems

Country Status (1)

Country Link
FR (1) FR881248A (en)

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