GB500957A - Improvements in or relating to indicator panels for variable set ups of lines or circuits - Google Patents

Improvements in or relating to indicator panels for variable set ups of lines or circuits

Info

Publication number
GB500957A
GB500957A GB2258637A GB2258637A GB500957A GB 500957 A GB500957 A GB 500957A GB 2258637 A GB2258637 A GB 2258637A GB 2258637 A GB2258637 A GB 2258637A GB 500957 A GB500957 A GB 500957A
Authority
GB
United Kingdom
Prior art keywords
indicator
relating
circuits
lines
variable set
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
GB2258637A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB2258637A priority Critical patent/GB500957A/en
Publication of GB500957A publication Critical patent/GB500957A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus
    • B61L25/06—Indicating or recording the setting of track apparatus, e.g. of points, of signals
    • B61L25/08—Diagrammatic displays

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

500,957. Miniature diagram indicators. STANDARD TELEPHONES & CABLES, Ltd., GRIFFITHS, J. B., and BROWN, A. Aug. 17, 1937, No. 22586. [Class 105] [Also in Group XXXVIII] For'indicating railway track points &c. in a mimic diagram a single indicator is provided which has a central angularly placed screen, 12 and a pair of shielded lamps 17, 18 selectively lit to illuminate the cut-away portions 6, 7 of the indicator stencil. The transparent face of the indicator is arranged so that when in position, it is flush with the face of the indicator panel.
GB2258637A 1937-08-17 1937-08-17 Improvements in or relating to indicator panels for variable set ups of lines or circuits Expired GB500957A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2258637A GB500957A (en) 1937-08-17 1937-08-17 Improvements in or relating to indicator panels for variable set ups of lines or circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2258637A GB500957A (en) 1937-08-17 1937-08-17 Improvements in or relating to indicator panels for variable set ups of lines or circuits

Publications (1)

Publication Number Publication Date
GB500957A true GB500957A (en) 1939-02-17

Family

ID=10181824

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2258637A Expired GB500957A (en) 1937-08-17 1937-08-17 Improvements in or relating to indicator panels for variable set ups of lines or circuits

Country Status (1)

Country Link
GB (1) GB500957A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2507921A (en) * 1948-05-28 1950-05-16 Gen Railway Signal Co Control machine panel for switch and signal control systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2507921A (en) * 1948-05-28 1950-05-16 Gen Railway Signal Co Control machine panel for switch and signal control systems

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