GB562374A - Improvements in and relating to means for the production of ultra-violet light rays - Google Patents

Improvements in and relating to means for the production of ultra-violet light rays

Info

Publication number
GB562374A
GB562374A GB1280242A GB1280242A GB562374A GB 562374 A GB562374 A GB 562374A GB 1280242 A GB1280242 A GB 1280242A GB 1280242 A GB1280242 A GB 1280242A GB 562374 A GB562374 A GB 562374A
Authority
GB
United Kingdom
Prior art keywords
ultra
envelope
relating
production
violet 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
GB1280242A
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.)
NEONELECTRIC Co Ltd
OWEN PRITCHARD SCARFF
Original Assignee
NEONELECTRIC Co Ltd
OWEN PRITCHARD SCARFF
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 NEONELECTRIC Co Ltd, OWEN PRITCHARD SCARFF filed Critical NEONELECTRIC Co Ltd
Priority to GB1280242A priority Critical patent/GB562374A/en
Publication of GB562374A publication Critical patent/GB562374A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H01J61/42—Devices for influencing the colour or wavelength of the light by transforming the wavelength of the light by luminescence
    • H01J61/44—Devices characterised by the luminescent material

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

562,374. Metallic - vapour lamps. NEONELECTRIC CO., Ltd., and SCARFF, O. P. Sept. 10, 1942, No. 12802. [Class 39 (i)] A source of ultra-violet light unmixed with visible light comprises a low pressure mercury vapour discharge surrounded by an envelope of black glass which excludes visible light, and a layer of luminescent material such as calcium tungstate interposed between the discharge and the envelope to convert short ultra-violet rays which will not pass the envelope into useful rays of longer wave-length which will pass.
GB1280242A 1942-09-10 1942-09-10 Improvements in and relating to means for the production of ultra-violet light rays Expired GB562374A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1280242A GB562374A (en) 1942-09-10 1942-09-10 Improvements in and relating to means for the production of ultra-violet light rays

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1280242A GB562374A (en) 1942-09-10 1942-09-10 Improvements in and relating to means for the production of ultra-violet light rays

Publications (1)

Publication Number Publication Date
GB562374A true GB562374A (en) 1944-06-29

Family

ID=10011416

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1280242A Expired GB562374A (en) 1942-09-10 1942-09-10 Improvements in and relating to means for the production of ultra-violet light rays

Country Status (1)

Country Link
GB (1) GB562374A (en)

Similar Documents

Publication Publication Date Title
GB494192A (en) Improvements in high pressure metal vapour electric discharge lamps
GB562374A (en) Improvements in and relating to means for the production of ultra-violet light rays
GB603326A (en) Improved phosphor coating for fluorescent electric discharge lamps
GB494128A (en) Improvements in lamps adapted to emit ultra-violet radiation accompanied by substantially no visible light
GB498370A (en) Fluorescent material
GB459323A (en) Improvements in or relating to electric discharge lamps
GB932187A (en) Improvements in and relating to colour television
GB495549A (en) Improvements in or relating to electric gas-discharge lamps
GB501901A (en) Improvements in sources of light comprising a high-pressure mercury-vapour electric discharge device
GB532941A (en) Improvements in electric discharge lamps comprising luminescent materials
GB599477A (en) Improvements in and relating to infra-red generators
GB716201A (en) Electric discharge tube for emission of visible light
GB458668A (en) Apparatus for testing objects with filtered ultra-violet rays
GB634113A (en) Improvements in light therapy apparatus and irradiating medium
GB441888A (en) Improvements in electric lighting devices
GB516769A (en) Improvements in or connected with electric lighting systems
GB495211A (en) Improvements in reflectors carrying luminescent materials
GB523235A (en) Improvements in combinations of high-pressure metal-vapour electric discharge lamps with luminescent materials
GB460963A (en) Improvements in or relating to means for illumination comprising luminescent materials
GB491208A (en) Improvements in or relating to electric gas-discharge tubes
GB518646A (en) Improvements in luminescent materials for electric discharge lamps
GB581951A (en) Improvement in fluorescent lamps
GB498740A (en) Improvements in combinations of electric discharge devices with materials excited to luminescence by the discharge through them
GB307961A (en) Improvements in and relating to apparatus for the production of ultra-violet light
ES221498A1 (en) A device for measuring dose or quantities of rays (Machine-translation by Google Translate, not legally binding)