CH483721A - Cathode ray tube with an electron beam source for generating several electron beams - Google Patents

Cathode ray tube with an electron beam source for generating several electron beams

Info

Publication number
CH483721A
CH483721A CH1054068A CH1054068A CH483721A CH 483721 A CH483721 A CH 483721A CH 1054068 A CH1054068 A CH 1054068A CH 1054068 A CH1054068 A CH 1054068A CH 483721 A CH483721 A CH 483721A
Authority
CH
Switzerland
Prior art keywords
ray tube
cathode ray
beam source
generating several
electron beam
Prior art date
Application number
CH1054068A
Other languages
German (de)
Inventor
Joseph Barten Piet Gerard
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH483721A publication Critical patent/CH483721A/en

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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H01J29/07—Shadow masks for colour television tubes
    • H01J29/073—Mounting arrangements associated with shadow masks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • 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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/50—Electron 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)
CH1054068A 1967-07-18 1968-07-15 Cathode ray tube with an electron beam source for generating several electron beams CH483721A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL6709978A NL6709978A (en) 1967-07-18 1967-07-18
NL6809258A NL156857B (en) 1967-07-18 1968-06-29 ELECTRON BREAM TUBE WITH AN ELECTRON GUN FOR GENERATING THREE ELECTRON BUNDLES.

Publications (1)

Publication Number Publication Date
CH483721A true CH483721A (en) 1969-12-31

Family

ID=26644218

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1054168A CH489899A (en) 1967-07-18 1968-07-15 Cathode ray tube with an electron beam source for generating several electron beams
CH1054068A CH483721A (en) 1967-07-18 1968-07-15 Cathode ray tube with an electron beam source for generating several electron beams

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH1054168A CH489899A (en) 1967-07-18 1968-07-15 Cathode ray tube with an electron beam source for generating several electron beams

Country Status (7)

Country Link
JP (1) JPS521267B1 (en)
BE (2) BE718132A (en)
CH (2) CH489899A (en)
DE (2) DE1764596C3 (en)
FR (2) FR1572071A (en)
GB (2) GB1228809A (en)
NL (2) NL6709978A (en)

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
NL6809258A (en) 1969-12-31
NL156857B (en) 1978-05-16
NL6709978A (en) 1969-01-21
JPS521267B1 (en) 1977-01-13
DE1762578B2 (en) 1978-03-23
DE1762578A1 (en) 1970-10-01
BE718131A (en) 1969-01-16
DE1764596C3 (en) 1978-11-09
CH489899A (en) 1970-04-30
DE1764596B2 (en) 1978-03-16
BE718132A (en) 1969-01-16
DE1764596A1 (en) 1971-09-09
DE1762578C3 (en) 1978-11-23
FR1572072A (en) 1969-06-20
FR1572071A (en) 1969-06-20
GB1228809A (en) 1971-04-21
GB1230109A (en) 1971-04-28

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Legal Events

Date Code Title Description
PL Patent ceased