Cathdoluminescent display device

Details Cathdoluminescent display device Cathdoluminescent display device

2007-01-30

2007-01-30

Awad, Amr A. (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

Reexamination Certificate

active

10506840

ABSTRACT:
A display device is provided with a display screen (30) for displaying image information, having a predetermined number of luminescent picture elements (35). In operation, an electron beam (45) is generated by an electron gun (40) and entered into a two-dimensional slalom guide (10), wherein the beam is guided in two mutually perpendicular directions by means of slalom focusing. Subsequently, the electron beam (45) is extracted from a selected cell (56) of the slalom guide (10) towards a corresponding picture element (35). The path of the electron beam (45) in the slalom guide (10) can be fully customized within the guidance plane. Preferably, the guidance plane extends substantially parallel to the display screen (30).

REFERENCES:
patent: 2899597 (1959-08-01), Kompfner
patent: 4215293 (1980-07-01), Stanley
patent: 5781166 (1998-07-01), De Zwart et al.
patent: 5990609 (1999-11-01), Knox et al.
“Slalom Focusing”by J.S. Cook et al., Proceedings of the IRE, Nov. 1957, pp. 1517-1522.

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