Flat cathode ray tube with repeller electrode

Details Flat cathode ray tube with repeller electrode Flat cathode ray tube with repeller electrode

1978-05-15

1980-05-27

Demeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

313474, 313477R, H01J 2972, H01J 2980, H01J 2990

Patent

active

042052521

ABSTRACT:
A cathode ray tube is disclosed which is relatively flat in the viewing direction, including a transparent envelope having at least one generally flat section, a screen arranged within the envelope, an electron gun for projecting an electron beam along a path substantially parallel to the plane of the screen, and first and second deflecting means for causing the beam to scan a line and a frame, respectively, characterized by the provision of a single conductive member of a given potential forming a beam directing electrode spaced from the screen and arranged such that the path of the electron beam lies between the electrode and the screen.

REFERENCES:
patent: 2093288 (1937-09-01), Ogloblinsky
patent: 2928014 (1960-03-01), Aiken et al.
patent: 3064154 (1962-11-01), Law
patent: 3171056 (1965-02-01), Gabor
patent: 3275878 (1966-09-01), Wilbanks
patent: 3299314 (1967-01-01), Yamada et al.
patent: 3309551 (1967-03-01), Aiken
patent: 3435277 (1969-03-01), Havn et al.
patent: 3890541 (1975-06-01), McCarthy et al.

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