GB653663A - Improvements relating to mimic diagram panels for railway and other indication systems - Google Patents

Improvements relating to mimic diagram panels for railway and other indication systems

Info

Publication number
GB653663A
GB653663A GB1314848A GB1314848A GB653663A GB 653663 A GB653663 A GB 653663A GB 1314848 A GB1314848 A GB 1314848A GB 1314848 A GB1314848 A GB 1314848A GB 653663 A GB653663 A GB 653663A
Authority
GB
United Kingdom
Prior art keywords
panel
light
observer
eye
reflected
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
GB1314848A
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 Mobility Ltd
Original Assignee
Westinghouse Brake and Signal 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 Westinghouse Brake and Signal Co Ltd filed Critical Westinghouse Brake and Signal Co Ltd
Priority to GB1314848A priority Critical patent/GB653663A/en
Publication of GB653663A publication Critical patent/GB653663A/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 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/24—Housings ; Casings for instruments
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B15/00—Supervisory desks or panels for centralised control or display

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

653,663. Miniature diagram panels. WESTINGHOUSE BRAKE & SIGNAL CO., Ltd., PETER, L. H., and SHEPPARD, E. A. May 13, 1948, No. 13148. [Class 105] A miniature diagram panel for railway signalling purposes or for showing conductor networks is made to present a concave surface so disposed that no light from an extraneous source is reflected into an observer's eye from the panel surface. As shown, the diagram panel 1 carried by the control desk 3 has its centre of curvature at 7. The pencil of lines 8, 9 from an observer's eye 5 to the panel limits are reflected as lines 10 and 11 which meet a surface 12; any light to be reflected into the observer's eye from the panel must emanate from such surface and this, being coloured black, no such reflection arises. The invariable details of the track are shown on the surface of the panel and are made luminous by edge-on illumination of the panel with internal reflection of the light within the transparent material of the panel, while variable information is given by strips of transparent material placed immediately behind or in front of the panel and likewise rendered luminous by internallyreflected light from appropriate sources as and when required, as described in Specification 650,492.
GB1314848A 1948-05-13 1948-05-13 Improvements relating to mimic diagram panels for railway and other indication systems Expired GB653663A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1314848A GB653663A (en) 1948-05-13 1948-05-13 Improvements relating to mimic diagram panels for railway and other indication systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1314848A GB653663A (en) 1948-05-13 1948-05-13 Improvements relating to mimic diagram panels for railway and other indication systems

Publications (1)

Publication Number Publication Date
GB653663A true GB653663A (en) 1951-05-23

Family

ID=10017744

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1314848A Expired GB653663A (en) 1948-05-13 1948-05-13 Improvements relating to mimic diagram panels for railway and other indication systems

Country Status (1)

Country Link
GB (1) GB653663A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2345705A1 (en) * 1976-03-26 1977-10-21 Digicourse Inc ANTI-REFLECTIVE DEVICE FOR DIGITAL OR ALPHA-DIGITAL LIGHT INDICATORS
EP0070876A1 (en) * 1981-02-02 1983-02-09 Otis Elevator Co Integrated elevator cab fixture.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2345705A1 (en) * 1976-03-26 1977-10-21 Digicourse Inc ANTI-REFLECTIVE DEVICE FOR DIGITAL OR ALPHA-DIGITAL LIGHT INDICATORS
EP0070876A1 (en) * 1981-02-02 1983-02-09 Otis Elevator Co Integrated elevator cab fixture.
EP0070876A4 (en) * 1981-02-02 1983-12-09 Otis Elevator Co Integrated elevator cab fixture.

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