FR613754A - Improvements to electrical testing devices - Google Patents

Improvements to electrical testing devices

Info

Publication number
FR613754A
FR613754A FR613754DA FR613754A FR 613754 A FR613754 A FR 613754A FR 613754D A FR613754D A FR 613754DA FR 613754 A FR613754 A FR 613754A
Authority
FR
France
Prior art keywords
electrical testing
testing devices
electrical
devices
testing
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR613754A publication Critical patent/FR613754A/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
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
FR613754D 1925-10-26 1926-01-12 Improvements to electrical testing devices Expired FR613754A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26744/25A GB254164A (en) 1925-10-26 1925-10-26 Improvements in electrical testing devices

Publications (1)

Publication Number Publication Date
FR613754A true FR613754A (en) 1926-11-29

Family

ID=10248535

Family Applications (1)

Application Number Title Priority Date Filing Date
FR613754D Expired FR613754A (en) 1925-10-26 1926-01-12 Improvements to electrical testing devices

Country Status (3)

Country Link
US (1) US1663750A (en)
FR (1) FR613754A (en)
GB (1) GB254164A (en)

Also Published As

Publication number Publication date
GB254164A (en) 1926-07-01
US1663750A (en) 1928-03-27

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