GB463232A - Improvements in and relating to signalling and like electric lamps - Google Patents

Improvements in and relating to signalling and like electric lamps

Info

Publication number
GB463232A
GB463232A GB19420/36A GB1942036A GB463232A GB 463232 A GB463232 A GB 463232A GB 19420/36 A GB19420/36 A GB 19420/36A GB 1942036 A GB1942036 A GB 1942036A GB 463232 A GB463232 A GB 463232A
Authority
GB
United Kingdom
Prior art keywords
signalling
relating
electric lamps
july
electrode
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
GB19420/36A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB463232A publication Critical patent/GB463232A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • G08B5/38—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

463,232. Discharge lamps. BRITISH THOMSON-HOUSTON CO., Ltd. July 13, 1936, No. 19420. Convention date, July 15, 1935. [Class 39 (i)] [Also in Group XI] A signalling or like electric lamp has a light source in the form of a luminous tube 3 bent so that its ends meet and provided with an electrode 6 at each end and with a larger electrode 7 diametrically opposite so that either the whole or only one half of the tube can be illuminated.
GB19420/36A 1935-07-15 1936-07-13 Improvements in and relating to signalling and like electric lamps Expired GB463232A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE463232X 1935-07-15

Publications (1)

Publication Number Publication Date
GB463232A true GB463232A (en) 1937-03-24

Family

ID=6540085

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19420/36A Expired GB463232A (en) 1935-07-15 1936-07-13 Improvements in and relating to signalling and like electric lamps

Country Status (1)

Country Link
GB (1) GB463232A (en)

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