Television projection screen having anti-static elements

Details Television projection screen having anti-static elements Television projection screen having anti-static elements

1991-07-03

1993-02-02

Groody, James J.

Facsimile and static presentation processing

Facsimile

Recording apparatus

359507, 359456, 361212, H04N 574, H04N 564, H04N 572

Patent

active

051842246

ABSTRACT:
A transmission-type video projection television system employs a transmission-type screen for displaying an image projected from a rear projector for visual observation by an observer in front of the screen. The transmission-type screen has Fresnel and lenticular lenses, one of which has an electrically conductive layer or a metal member on its surface to prevent the lens from being electrostatically charged, so that dust or dirt particles will not be attracted to the screen.

REFERENCES:
patent: 3279314 (1966-10-01), Miller
patent: 4856101 (1989-08-01), Jonsson et al.
patent: 5066099 (1991-11-01), Yoshida et al.

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