FR59920E - Improvement in maintenance measures on telephone circuits - Google Patents

Improvement in maintenance measures on telephone circuits

Info

Publication number
FR59920E
FR59920E FR59920DA FR59920E FR 59920 E FR59920 E FR 59920E FR 59920D A FR59920D A FR 59920DA FR 59920 E FR59920 E FR 59920E
Authority
FR
France
Prior art keywords
improvement
maintenance measures
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)
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.)
Societe Anonyme de Telecommunications SAT
Original Assignee
Societe Anonyme de Telecommunications SAT
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 Societe Anonyme de Telecommunications SAT filed Critical Societe Anonyme de Telecommunications SAT
Application granted granted Critical
Publication of FR59920E publication Critical patent/FR59920E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/32—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR59920D 1949-03-25 1950-01-03 Improvement in maintenance measures on telephone circuits Expired FR59920E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR986883T 1949-03-25

Publications (1)

Publication Number Publication Date
FR59920E true FR59920E (en) 1954-09-21

Family

ID=9538476

Family Applications (2)

Application Number Title Priority Date Filing Date
FR986883D Expired FR986883A (en) 1949-03-25 1949-03-25 Improvement in maintenance measures on telephone circuits
FR59920D Expired FR59920E (en) 1949-03-25 1950-01-03 Improvement in maintenance measures on telephone circuits

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR986883D Expired FR986883A (en) 1949-03-25 1949-03-25 Improvement in maintenance measures on telephone circuits

Country Status (1)

Country Link
FR (2) FR986883A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2851884B1 (en) 2003-03-07 2007-03-23 Jerome Fontaine DEVICE FOR FORMING PASSING MASSES

Also Published As

Publication number Publication date
FR986883A (en) 1951-08-06

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