GB974859A - Improvements in or relating to arrangements for use in carrying out electric tests onelectrical signalling equipment - Google Patents

Improvements in or relating to arrangements for use in carrying out electric tests onelectrical signalling equipment

Info

Publication number
GB974859A
GB974859A GB848660A GB848660A GB974859A GB 974859 A GB974859 A GB 974859A GB 848660 A GB848660 A GB 848660A GB 848660 A GB848660 A GB 848660A GB 974859 A GB974859 A GB 974859A
Authority
GB
United Kingdom
Prior art keywords
onelectrical
arrangements
relating
carrying
out electric
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
GB848660A
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.)
HUBERT JOHN NAPIER RIDDLE
S G E SIGNALS Ltd
Original Assignee
HUBERT JOHN NAPIER RIDDLE
S G E SIGNALS Ltd
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 HUBERT JOHN NAPIER RIDDLE, S G E SIGNALS Ltd filed Critical HUBERT JOHN NAPIER RIDDLE
Priority to GB848660A priority Critical patent/GB974859A/en
Publication of GB974859A publication Critical patent/GB974859A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Abstract

974,859. Two-part couplings. S.G.E. SIGNALS Ltd., and H. J. N. RIDDLE. March 1, 1961 [March 10, 1960], No. 8486/60. Heading H2E. An adapter to connect a piece of test equipment in series with the circuit to a railway signalling relay of the kind having resilient push-in connectors, comprises an insulating housing 3 with a spring contact 11 to receive the push-in connector 5 that is normally connected to the relay, and a flying lead 6 with a connector 7 to connect temporarily with the relay, the two leads being brought out at 8, 9 for connection to lamp, buzzer or meter.
GB848660A 1960-03-10 1960-03-10 Improvements in or relating to arrangements for use in carrying out electric tests onelectrical signalling equipment Expired GB974859A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB848660A GB974859A (en) 1960-03-10 1960-03-10 Improvements in or relating to arrangements for use in carrying out electric tests onelectrical signalling equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848660A GB974859A (en) 1960-03-10 1960-03-10 Improvements in or relating to arrangements for use in carrying out electric tests onelectrical signalling equipment

Publications (1)

Publication Number Publication Date
GB974859A true GB974859A (en) 1964-11-11

Family

ID=9853382

Family Applications (1)

Application Number Title Priority Date Filing Date
GB848660A Expired GB974859A (en) 1960-03-10 1960-03-10 Improvements in or relating to arrangements for use in carrying out electric tests onelectrical signalling equipment

Country Status (1)

Country Link
GB (1) GB974859A (en)

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