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FR997944A - Improvements to telephone circuits - Google Patents

Improvements to telephone circuits

Info

Publication number
FR997944A
FR997944A FR997944DA FR997944A FR 997944 A FR997944 A FR 997944A FR 997944D A FR997944D A FR 997944DA FR 997944 A FR997944 A FR 997944A
Authority
FR
France
Prior art keywords
telephone circuits
telephone
circuits
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
Henri-Louis Lesigne
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 FR997944A publication Critical patent/FR997944A/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)
FR997944D 1945-09-12 1945-09-12 Improvements to telephone circuits Expired FR997944A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR997944T 1945-09-12

Publications (1)

Publication Number Publication Date
FR997944A true FR997944A (en) 1952-01-11

Family

ID=9559040

Family Applications (1)

Application Number Title Priority Date Filing Date
FR997944D Expired FR997944A (en) 1945-09-12 1945-09-12 Improvements to telephone circuits

Country Status (3)

Country Link
BE (1) BE467580A (en)
CH (1) CH258154A (en)
FR (1) FR997944A (en)

Also Published As

Publication number Publication date
BE467580A (en)
CH258154A (en) 1948-11-15

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