GB426797A - Improvements in and relating to fluorescent screens - Google Patents

Improvements in and relating to fluorescent screens

Info

Publication number
GB426797A
GB426797A GB27919/33A GB2791933A GB426797A GB 426797 A GB426797 A GB 426797A GB 27919/33 A GB27919/33 A GB 27919/33A GB 2791933 A GB2791933 A GB 2791933A GB 426797 A GB426797 A GB 426797A
Authority
GB
United Kingdom
Prior art keywords
filter
light
fluorescent
screens
luminescent layer
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
GB27919/33A
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 Reiniger Werke AG
Original Assignee
Siemens Reiniger Werke AG
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 Siemens Reiniger Werke AG filed Critical Siemens Reiniger Werke AG
Publication of GB426797A publication Critical patent/GB426797A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K4/00—Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Optical Filters (AREA)

Abstract

426,797. Fluorescent screens. SIEMENS-REINIGER-WERKE AKT.-GES., 31, Karlstrasse, Berlin. Oct. 10, 1933, No. 27919. Convention date, Sept. 5. [Class 98 (i)] A fluorescent screen has the luminescent layer provided with a colour filter by which the spectral composition of the fluorescent light is modified, the filter not being substantially opaque to light which causes phosphorescence of the luminescent material or which chemically changes or discolours it. A colour filter may be used alone, or the modification of the light may be effected in part by a filter and in part by colouring the luminescent layer. Interchangeable filters may be employed. Screens embodying a lead glass plate may have the filter firmly fastened to them or to the plate ; or the lead glass may be tinted. Specification 426,789 is referred to.
GB27919/33A 1933-09-05 1933-10-10 Improvements in and relating to fluorescent screens Expired GB426797A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE426797X 1933-09-05

Publications (1)

Publication Number Publication Date
GB426797A true GB426797A (en) 1935-04-10

Family

ID=6477239

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27919/33A Expired GB426797A (en) 1933-09-05 1933-10-10 Improvements in and relating to fluorescent screens

Country Status (1)

Country Link
GB (1) GB426797A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419177A (en) * 1944-12-09 1947-04-15 Du Mont Allen B Lab Inc Cathode-ray tube coating
US2428792A (en) * 1945-06-28 1947-10-14 George H Evans Illumination system
US2436847A (en) * 1940-05-10 1948-03-02 Int Standard Electric Corp Cathode-ray tube and visual indicating system for apparatus including cathode-ray tube
US2461464A (en) * 1947-11-14 1949-02-08 Aronstein Robert Filter for fluorescent screens
US2470666A (en) * 1944-08-25 1949-05-17 Westinghouse Electric Corp Tube
US2494992A (en) * 1943-04-02 1950-01-17 Westinghouse Electric Corp Cathode-ray tube

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436847A (en) * 1940-05-10 1948-03-02 Int Standard Electric Corp Cathode-ray tube and visual indicating system for apparatus including cathode-ray tube
US2494992A (en) * 1943-04-02 1950-01-17 Westinghouse Electric Corp Cathode-ray tube
US2470666A (en) * 1944-08-25 1949-05-17 Westinghouse Electric Corp Tube
US2419177A (en) * 1944-12-09 1947-04-15 Du Mont Allen B Lab Inc Cathode-ray tube coating
US2428792A (en) * 1945-06-28 1947-10-14 George H Evans Illumination system
US2461464A (en) * 1947-11-14 1949-02-08 Aronstein Robert Filter for fluorescent screens

Similar Documents

Publication Publication Date Title
GB426797A (en) Improvements in and relating to fluorescent screens
GB1154500A (en) Spectral Filter
GB426789A (en) Improvements in and relating to fluorescent screens
GB396601A (en) Fluorescent screen
US3059051A (en) Optical filters
GB491165A (en) Improvements relating to the viewing of pictures so as to obtain increased range of contrast
GB406957A (en) Fluorescent material
US1122065A (en) Artificial-lighting means.
GB338334A (en) Improvements in or relating to light filters for increasing and producing colour contrasts
DE687322C (en) Electric lamp
GB1190421A (en) Improvements in and relating to Electroluminescent Devices
GB407540A (en) Improvements in or relating to luminescent screens and methods of producing luminophores for use therein
GB488559A (en) Improvements in or relating to processes for scanning sound or combined sound and picture films
GB493869A (en) Improvements relating to the production and projection of subtractive colour films
GB539428A (en) Improvements in or relating to luminescent screens
GB412117A (en) Improvements in light-filters for use with light-sensitive cells
GB191419306A (en) Improvements in and relating to Spectacles or the like whereby an Object Illuminated by Artificial Light appears as if Illuminated by Ordinary Daylight.
GB494852A (en) Improvements in and relating to fluorescent materials
GB464831A (en) Improvements in television
GB481460A (en) A system for artificially lighting rooms while preventing the passage of light rays from the room
GB506637A (en) Improvements in systems of lighting and of colour filters for viewing and for photography
GB439870A (en) Improvements in intensifying or fluorescent screens for x-ray work
GB422017A (en) Improvements in multicolour screens for use with colour-record lenticular films
GB427062A (en) An improved rear projection screen
GB463372A (en) Improvements in or relating to processes for manufacturing luminous substances