GB647003A - Improvements in cathode-ray tube - Google Patents

Improvements in cathode-ray tube

Info

Publication number
GB647003A
GB647003A GB33820/47A GB3382047A GB647003A GB 647003 A GB647003 A GB 647003A GB 33820/47 A GB33820/47 A GB 33820/47A GB 3382047 A GB3382047 A GB 3382047A GB 647003 A GB647003 A GB 647003A
Authority
GB
United Kingdom
Prior art keywords
struts
mirror
secured
plate
container
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
GB33820/47A
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Philips Electronics NV
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 Philips Gloeilampenfabrieken NV, Philips Electronics NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB647003A publication Critical patent/GB647003A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
    • H01J29/894—Arrangements combined with the vessel for the purpose of image projection on a screen
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
    • H01J29/892—Optical or photographic arrangements structurally combined or co-operating with the vessel using fibre optics

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Projection Apparatus (AREA)
GB33820/47A 1946-10-24 1947-12-22 Improvements in cathode-ray tube Expired GB647003A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US261242XA 1946-10-24 1946-10-24
US705850A US2520190A (en) 1946-10-24 1946-10-24 Cathode-ray tube

Publications (1)

Publication Number Publication Date
GB647003A true GB647003A (en) 1950-12-06

Family

ID=26700816

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33820/47A Expired GB647003A (en) 1946-10-24 1947-12-22 Improvements in cathode-ray tube

Country Status (6)

Country Link
US (1) US2520190A (en, 2012)
BE (1) BE478360A (en, 2012)
CH (1) CH261242A (en, 2012)
DE (1) DE880319C (en, 2012)
FR (1) FR957984A (en, 2012)
GB (1) GB647003A (en, 2012)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2602903A (en) * 1950-11-13 1952-07-08 Kenneth T Snow Cathode-ray tube
US2716231A (en) * 1951-10-10 1955-08-23 Philco Corp Mirror positioning device for cathode ray tube
US2663012A (en) * 1952-01-30 1953-12-15 John R Beers Projection television tube
US2637829A (en) * 1952-03-15 1953-05-05 Trad Victor Projection tube with movable target electrode
US2692346A (en) * 1952-03-15 1954-10-19 Trad Victor Projection tube with electrically movable target electrode
GB897359A (en) * 1957-12-18 1962-05-23 Harries Television Res Ltd Improvements in and relating to electron discharge tubes and optical systems for television, radar and the like
GB904505A (en) * 1958-11-25 1962-08-29 Harries Electronics Corp Ltd Improvements in or relating to electron discharge tubes for television, radar and the like
US3539721A (en) * 1967-10-20 1970-11-10 Us Army Wide angle television projection device
US3658401A (en) * 1970-01-06 1972-04-25 Rca Corp Method of manufacture of cathode ray tubes having frit-sealed envelope assemblies
US3697795A (en) * 1970-11-20 1972-10-10 Machlett Lab Inc Image intensifier tube having a multi-radius photocathode
US4034398A (en) * 1975-08-27 1977-07-05 Electro-Optiek, N.V. Optical and mechanical improvements for television projection system
US4365183A (en) * 1978-02-06 1982-12-21 Kloss Henry E Projection televison tube and process for forming same
US4409515A (en) * 1978-02-06 1983-10-11 Kloss Henry E Projection television tube and process for forming same
US4433962A (en) 1981-02-17 1984-02-28 Kloss Henry E Process for making envelope for projection television tube

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH175180A (de) * 1933-03-13 1935-02-15 Telefunken Gmbh Braunsche Röhre als Fernsehempfänger.
DE616287C (de) * 1933-08-12 1935-07-24 Fernseh Akt Ges Elektrodenaufbau fuer Braunsche Roehren, insbesondere fuer Fernsehzwecke
US2060825A (en) * 1934-08-03 1936-11-17 Radio Inventions Inc Control of electron streams
GB452148A (en) * 1935-01-16 1936-08-17 Marconi Wireless Telegraph Co Improvements in or relating to television and like receivers
FR815094A (fr) * 1935-12-17 1937-07-05 Loewe Opta Gmbh Tube à rayons cathodiques appliqué comme source de lumière
GB463891A (en) * 1936-02-05 1937-04-08 Gen Electric Co Ltd Improvements in or relating to cathode-ray apparatus for receiving television and the like
NL84342C (en, 2012) * 1936-10-10
US2299047A (en) * 1940-06-25 1942-10-13 Bell Telephone Labor Inc Electronic discharge device
US2295779A (en) * 1940-08-17 1942-09-15 Rca Corp Projection apparatus
US2415311A (en) * 1942-05-13 1947-02-04 Rauland Corp Cathode-ray tube projector
GB557771A (en) * 1942-09-01 1943-12-03 Constantin Stephen Szegho Improvements in or relating to apparatus for projecting optical images
US2440735A (en) * 1943-06-05 1948-05-04 Farnsworth Res Corp Electrooptical device
GB595256A (en) * 1943-06-05 1947-12-01 Farnsworth Television & Radio Improvements in or relating to television apparatus
US2467462A (en) * 1947-10-22 1949-04-19 Philco Corp Electrooptical projection apparatus

Also Published As

Publication number Publication date
US2520190A (en) 1950-08-29
DE880319C (de) 1953-05-07
FR957984A (en, 2012) 1950-03-02
BE478360A (en, 2012)
CH261242A (de) 1949-04-30

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