Method of operating a flat CRT display
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United States of America Patent
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Oct 25, 2005
Grant Date -
Jan 29, 2004
app pub date -
Feb 21, 2003
filing date -
Jan 30, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A plurality of field emission device cathodes each generate emission of electrons, which are then controlled and focused using various electrodes to produce an electron beam. Horizontal and vertical deflection techniques, similar to those used within a cathode ray tube, operate to scan the individual electron beams onto portions of a phosphor screen in order to generate images. The use of the plurality of field emission cathodes provides for a flatter screen depth than possible with a typical cathode ray tube.
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