BE718131A - - Google Patents

Info

Publication number
BE718131A
BE718131A BE718131DA BE718131A BE 718131 A BE718131 A BE 718131A BE 718131D A BE718131D A BE 718131DA BE 718131 A BE718131 A BE 718131A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE718131A publication Critical patent/BE718131A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06Screens for shielding; Masks interposed in the electron stream
    • H01J29/07Shadow masks for colour television tubes
    • H01J29/073Mounting arrangements associated with shadow masks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02Stamping using rigid devices or tools
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48Electron guns
    • H01J29/50Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
BE718131D 1967-07-18 1968-07-16 BE718131A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL6709978A NL6709978A (ko) 1967-07-18 1967-07-18
NL6809258A NL156857B (nl) 1967-07-18 1968-06-29 Elektronenstraalbuis met een elektronenkanon voor het opwekken van drie elektronenbundels.

Publications (1)

Publication Number Publication Date
BE718131A true BE718131A (ko) 1969-01-16

Family

ID=26644218

Family Applications (2)

Application Number Title Priority Date Filing Date
BE718131D BE718131A (ko) 1967-07-18 1968-07-16
BE718132D BE718132A (ko) 1967-07-18 1968-07-16

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE718132D BE718132A (ko) 1967-07-18 1968-07-16

Country Status (7)

Country Link
JP (1) JPS521267B1 (ko)
BE (2) BE718131A (ko)
CH (2) CH483721A (ko)
DE (2) DE1764596C3 (ko)
FR (2) FR1572071A (ko)
GB (2) GB1228809A (ko)
NL (2) NL6709978A (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4520292A (en) * 1983-05-06 1985-05-28 Rca Corporation Cathode-ray tube having an asymmetric slot formed in a screen grid electrode of an inline electron gun
US4608515A (en) * 1985-04-30 1986-08-26 Rca Corporation Cathode-ray tube having a screen grid with asymmetric beam focusing means and refraction lens means formed therein
US4634924A (en) * 1985-08-06 1987-01-06 Rca Corporation Electron gun having cylindrical focus lens

Also Published As

Publication number Publication date
CH489899A (de) 1970-04-30
DE1764596C3 (de) 1978-11-09
JPS521267B1 (ko) 1977-01-13
NL156857B (nl) 1978-05-16
DE1764596B2 (de) 1978-03-16
FR1572071A (ko) 1969-06-20
GB1230109A (ko) 1971-04-28
DE1762578C3 (de) 1978-11-23
GB1228809A (ko) 1971-04-21
DE1764596A1 (de) 1971-09-09
NL6809258A (ko) 1969-12-31
FR1572072A (ko) 1969-06-20
NL6709978A (ko) 1969-01-21
CH483721A (de) 1969-12-31
DE1762578B2 (de) 1978-03-23
DE1762578A1 (de) 1970-10-01
BE718132A (ko) 1969-01-16

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