GB369045A - Improvements relating to illuminated signals - Google Patents

Improvements relating to illuminated signals

Info

Publication number
GB369045A
GB369045A GB1248331A GB1248331A GB369045A GB 369045 A GB369045 A GB 369045A GB 1248331 A GB1248331 A GB 1248331A GB 1248331 A GB1248331 A GB 1248331A GB 369045 A GB369045 A GB 369045A
Authority
GB
United Kingdom
Prior art keywords
lamp
reflector
improvements relating
lens
light
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
GB1248331A
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.)
Chance Brothers & Co Ltd
Original Assignee
Chance Brothers & Co 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 Chance Brothers & Co Ltd filed Critical Chance Brothers & Co Ltd
Priority to GB1248331A priority Critical patent/GB369045A/en
Publication of GB369045A publication Critical patent/GB369045A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/12—Visible signals
    • B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
    • B61L5/1809—Daylight signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Medicines Containing Plant Substances (AREA)

Abstract

369,045. Signal lamps. CHANCE BROS. & CO., Ltd., HAMPTON, W. M., and HOLMES, J. G., Lighthouse Works, West Smethwick, Staffordshire. April 28, 1931, No. 12483. [Classes 75 (ii) and 75 (iv).] Lantern fronts.-A signal lamp adapted to prevent sunlight or other external sources causing phantom indications, comprises a reflector c arranged below the light source a so that it does not receive light passing into the lamp through the upper prismatic part b<1> of the front lens. The lower part b<2> of the lens is clear or etched or otherwise made diffusng and the reflector is arranged to reflect any light which passes into the lamp through the lower part b<2> in such directions that it does not pass out of the lamp. Specification 354,976 is referred to.
GB1248331A 1931-04-28 1931-04-28 Improvements relating to illuminated signals Expired GB369045A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1248331A GB369045A (en) 1931-04-28 1931-04-28 Improvements relating to illuminated signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1248331A GB369045A (en) 1931-04-28 1931-04-28 Improvements relating to illuminated signals

Publications (1)

Publication Number Publication Date
GB369045A true GB369045A (en) 1932-03-17

Family

ID=10005426

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1248331A Expired GB369045A (en) 1931-04-28 1931-04-28 Improvements relating to illuminated signals

Country Status (1)

Country Link
GB (1) GB369045A (en)

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