Beam-index color display unit

Details Beam-index color display unit Beam-index color display unit

1990-06-25

1992-03-17

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 56, 358 69, 340795, H04N 931

Patent

active

050973240

ABSTRACT:
A beam index color display unit uses a single light beam scanning a two-dimensional screen of light beam sensitive three-color phosphor stripes arranged with regularity. The intensity of the light beam is modulated in response to information signals in a video signal while the scanning timing of the light beam is detected by light sensing devices disposed between each of phosphor stripes. Thus, images are displayed on the two-dimensional screen of the display unit.

REFERENCES:
patent: 3634614 (1972-01-01), Geusic
patent: 4635106 (1987-01-01), Shinkai
patent: 4636843 (1987-01-01), Hosono et al.
patent: 4684996 (1987-08-01), Baumeister
patent: 4979030 (1990-12-01), Murata

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