Cathode ray tube

Details Cathode ray tube Cathode ray tube

2005-05-03

2005-05-03

Patel, Vip (Department: 2879)

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

C313S412000

Reexamination Certificate

active

06888300

ABSTRACT:
A cathode ray tube includes a display for presenting an image, a deflection device, and an electron gun including electron-generating cathodes for generating electron beams. The CRT includes an electron beams controller for varying the trajectory of at least a first electron beam of the electron beams as a function of the intensity of at least the first electron beam, in order to compensate for changes in the convergence angle between electron beams near the display. The electrom beam controller is arranged between the electron-generating cathodes and the deflection device.

REFERENCES:
patent: 2930931 (1960-03-01), Aiken
patent: 0642140 (1995-03-01), None
patent: 0905739 (1999-03-01), None
patent: WO9934392 (1999-07-01), None

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