FR1141998A - Control device for electrical installations and in particular for telephone installations - Google Patents

Control device for electrical installations and in particular for telephone installations

Info

Publication number
FR1141998A
FR1141998A FR1141998DA FR1141998A FR 1141998 A FR1141998 A FR 1141998A FR 1141998D A FR1141998D A FR 1141998DA FR 1141998 A FR1141998 A FR 1141998A
Authority
FR
France
Prior art keywords
installations
control device
telephone
electrical
electrical installations
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of FR1141998A publication Critical patent/FR1141998A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
FR1141998D 1955-01-11 1956-01-10 Control device for electrical installations and in particular for telephone installations Expired FR1141998A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT342613X 1955-01-11

Publications (1)

Publication Number Publication Date
FR1141998A true FR1141998A (en) 1957-09-12

Family

ID=11239318

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1141998D Expired FR1141998A (en) 1955-01-11 1956-01-10 Control device for electrical installations and in particular for telephone installations

Country Status (6)

Country Link
JP (1) JPS343109B1 (en)
BE (1) BE545339A (en)
CH (1) CH342613A (en)
DE (1) DE1023493B (en)
FR (1) FR1141998A (en)
NL (2) NL101546C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1129558B (en) * 1960-10-26 1962-05-17 Siemens Ag Circuit arrangement for telecommunication, in particular telephone systems, which are checked by test equipment
DE102009054617B4 (en) 2009-12-14 2018-05-30 Adidas Ag shoe

Also Published As

Publication number Publication date
BE545339A (en)
DE1023493B (en) 1958-01-30
NL203412A (en)
CH342613A (en) 1959-11-30
JPS343109B1 (en) 1959-04-27
NL101546C (en)

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