Beam-index-type color display apparatus

Details Beam-index-type color display apparatus Beam-index-type color display apparatus

1990-03-23

1992-08-11

Oberley, Alvin E.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 56, 358231, H04N 931, H04N 574

Patent

active

051384418

ABSTRACT:
A beam-index-type color display apparatus includes an A/O modulator for emitting a first-order beam for use as an image projecting light beam and a zero-order beam for use as an index beam. The color display apparatus is light-weight and may have a large screen. An index signal can reliably be produced even if the screen is treated for a higher screen gain.

REFERENCES:
patent: 3465352 (1969-09-01), Carlson et al.
patent: 3967315 (1976-06-01), Goodman
patent: 4259687 (1981-03-01), Shinkai et al.
patent: 4684996 (1987-08-01), Baumeister
patent: 4868668 (1989-09-01), Tavernetti
patent: 4979030 (1990-12-01), Murata
patent: 4992858 (1991-02-01), Kobayashi
patent: 5051834 (1991-09-01), Matui

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