Cathode ray tube

Details Cathode ray tube Cathode ray tube

1988-08-02

1989-10-03

Tarcza, Thomas H.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315368, 313409, 313411, H01J 2952, H01J 2970, H01J 2950

Patent

active

048719498

ABSTRACT:
A cathode ray tube is disclosed which has a modulating grid for varying the charged particle flux density along a cross-section of a flat thin of charged particles or for varying the charged particle flux density in each of a plurality of charged particle beams arranged side-by-side in a sheaf. In a preferred embodiment, a cathode ray tube according to the invention includes a modulating grid and associated electronics that permit the tube to project a single line of video information simultaneously, thus increasing picture brightness. The beam scan is solely vertical, rather than horizontal and vertical, as in cathode ray tubes of the prior art.

REFERENCES:
patent: 3740607 (1973-06-01), Silzars et al.
A. H. Rosenthal, "Television Picture Storage", Electronic Engineering, vol. XIV, No. 167, Jan., 1942, p. 578.

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