Projector display unit

Details Projector display unit Projector display unit

1995-06-07

1998-09-22

Coles, Edward L.

Television

Video display

Cathode-ray tube

348744, 348748, 348745, 348776, 348785, 348826, 348827, 348836, 358485, H04N 104, H04N 564, H04N 5645

Patent

active

058122150

ABSTRACT:
In a projecting unit of a projector, a projecting tube is sealingly attached to a projecting tube frame by means of a packing member, a projecting lens is sealingly attached to a projecting lens frame by means of a packing member, and an image on the projecting tube is projected on a screen by the projecting lens. A packing member is interposed between and in engagement with the frames such that the frames are sealingly attached, and can slide against said packing member. The frames are secured to each other for use of the projecting unit, or separated from each other to permit adjustment of the space between the frames.

REFERENCES:
patent: 3876213 (1975-04-01), Miliczky et al.
patent: 4606628 (1986-08-01), Vance
patent: 4607924 (1986-08-01), Vance
patent: 4646143 (1987-02-01), Watanabe et al.
patent: 4777532 (1988-10-01), Hasegawa
patent: 5250968 (1993-10-01), Numata et al.
patent: 5381189 (1995-01-01), Terai et al.
patent: 5537167 (1996-07-01), Toide et al.

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