FR2053842A5 - - Google Patents

Info

Publication number
FR2053842A5
FR2053842A5 FR6924741A FR6924741A FR2053842A5 FR 2053842 A5 FR2053842 A5 FR 2053842A5 FR 6924741 A FR6924741 A FR 6924741A FR 6924741 A FR6924741 A FR 6924741A FR 2053842 A5 FR2053842 A5 FR 2053842A5
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
FR6924741A
Other languages
French (fr)
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.)
France-Couleur
Original Assignee
France-Couleur
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 France-Couleur filed Critical France-Couleur
Priority to FR6924741A priority Critical patent/FR2053842A5/fr
Application granted granted Critical
Publication of FR2053842A5 publication Critical patent/FR2053842A5/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
    • H01J29/46—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
    • H01J29/503—Three or more guns, the axes of which lay in a common plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/50—Plurality of guns or beams
    • H01J2229/507—Multi-beam groups, e.g. number of beams greater than number of cathodes
FR6924741A 1969-07-21 1969-07-21 Expired FR2053842A5 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6924741A FR2053842A5 (zh) 1969-07-21 1969-07-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6924741A FR2053842A5 (zh) 1969-07-21 1969-07-21

Publications (1)

Publication Number Publication Date
FR2053842A5 true FR2053842A5 (zh) 1971-04-16

Family

ID=9037754

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6924741A Expired FR2053842A5 (zh) 1969-07-21 1969-07-21

Country Status (1)

Country Link
FR (1) FR2053842A5 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0327149A1 (en) * 1988-01-27 1989-08-09 Koninklijke Philips Electronics N.V. Cathode ray tube
EP0342761A1 (en) * 1988-05-20 1989-11-23 Koninklijke Philips Electronics N.V. Display tube including a helical focusing lens with a non-rotationally symmetrical lens element

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0327149A1 (en) * 1988-01-27 1989-08-09 Koninklijke Philips Electronics N.V. Cathode ray tube
EP0342761A1 (en) * 1988-05-20 1989-11-23 Koninklijke Philips Electronics N.V. Display tube including a helical focusing lens with a non-rotationally symmetrical lens element

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Legal Events

Date Code Title Description
ST Notification of lapse