Video projector

Details Video projector Video projector

1993-06-14

1994-02-15

Cuchlinski, Jr., William A.

Optics: image projectors

Housing

353 43, 353 57, G03B 2100

Patent

active

052871320

ABSTRACT:
It is an object of the invention to provide a video projector which can be driven by a battery and can be reduced in both size and weight. A packing case for a video projector is composed of a cabinet, which is divided into two upper and lower parts, and a cover disposed behind the cabinet. The cover is disposed removably with respect to the cabinet. By opening the cover situated behind the projector light source, a lamp forming the projector light source can be replaced easily. Also, the cover includes on the back surface thereof a battery mounting portion for mounting a battery used to drive the projector, so that the battery can be mounted to the outer back surface of the cover.

REFERENCES:
patent: 4168888 (1979-09-01), Kiehl et al.
patent: 4372068 (1983-02-01), Knapp
patent: 4756614 (1988-07-01), Kato et al.
patent: 4756615 (1988-07-01), Hildebrand
patent: 4925295 (1990-05-01), Ogawa et al.
patent: 4963001 (1990-10-01), Miyajima
patent: 4976429 (1990-12-01), Nagel
patent: 5170196 (1992-12-01), Itoh

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