Optics: image projectors – Structurally related projector and screen
Reexamination Certificate
2007-11-06
2007-11-06
Mahoney, Christopher (Department: 2851)
Optics: image projectors
Structurally related projector and screen
C353S094000, C359S443000, C348S912000
Reexamination Certificate
active
11143053
ABSTRACT:
The projection system includes a plurality of projection apparatus including a frame. The frames of adjacent projection apparatus are interconnected by at least one bracket connected to vertical members of the adjacent projection apparatus. Adjacent projection apparatus define a viewing area defined by the upper members of the frames of the projection apparatus, the lower members of the frames of the projection apparatus and the outer frame edges of each of the adjacent projection apparatus. A viewing screen is disposed over this viewing area.
REFERENCES:
patent: 947058 (1910-01-01), Duncan
patent: 1840920 (1932-01-01), Spaulding
patent: 5746599 (1998-05-01), Lechner
patent: 6540366 (2003-04-01), Keenan et al.
Francis Kepley, Jr. Le Roy
Herkimer Scott A
Jones Robert Wescomb
King William K
Howison & Arnott , L.L.P.
Mahoney Christopher
Technological Systems Sales, Inc.
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