FR1572072A - - Google Patents

Info

Publication number
FR1572072A
FR1572072A FR1572072DA FR1572072A FR 1572072 A FR1572072 A FR 1572072A FR 1572072D A FR1572072D A FR 1572072DA FR 1572072 A FR1572072 A FR 1572072A
Authority
FR
France
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR1572072A publication Critical patent/FR1572072A/fr
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
    • H01J29/02—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)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
FR1572072D 1967-07-18 1968-07-18 Expired FR1572072A (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
FR1572072A true FR1572072A (en) 1969-06-20

Family

ID=26644218

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1572071D Expired FR1572071A (en) 1967-07-18 1968-07-18
FR1572072D Expired FR1572072A (en) 1967-07-18 1968-07-18

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1572071D Expired FR1572071A (en) 1967-07-18 1968-07-18

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2545647A1 (en) * 1983-05-06 1984-11-09 Rca Corp TUBE WITH CATHODE RAYS COMPRISING A SCREEN GRID, AND ASTIGMATIC GRID FOR SUCH A TUBE

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2545647A1 (en) * 1983-05-06 1984-11-09 Rca Corp TUBE WITH CATHODE RAYS COMPRISING A SCREEN GRID, AND ASTIGMATIC GRID FOR SUCH A TUBE

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
FR1572071A (en) 1969-06-20
GB1228809A (en) 1971-04-21
GB1230109A (en) 1971-04-28
CH483721A (en) 1969-12-31

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Legal Events

Date Code Title Description
ST Notification of lapse