Image projecting apparatus

Details Image projecting apparatus Image projecting apparatus

1994-02-14

1996-01-23

Dowling, William C.

Optics: image projectors

Cabinet encloses projector and one side of screen

Reflector between lamp and screen

353119, G03B 2128

Patent

active

054868823

ABSTRACT:
In an image projecting apparatus such as a microfilm reader and a microfilm reader printer, the inclination angle of a screen surface can be changed without causing distortion and blur in a projected image on the screen surface. The inclination angle of the screen can be changed for the user to see the screen surface with ease such that the screen surface becomes perpendicular to the user's line of sight and the external light reflected by the screen surface is prevented from entering the user's eyes.

REFERENCES:
patent: 3950085 (1976-04-01), Grimm
patent: 4351592 (1982-09-01), Link et al.
patent: 4506976 (1985-03-01), Kiejzik
patent: 4666284 (1987-05-01), Yamada
patent: 4842402 (1989-06-01), Wise
patent: 4846570 (1989-07-01), Kanai
patent: 4881099 (1989-11-01), Onuki et al.
patent: 5028128 (1991-07-01), Onuki
patent: 5047800 (1991-09-01), Fukumoto et al.

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