Card – picture – or sign exhibiting – Changing exhibitor – Motor operated
Patent
1993-08-31
1995-10-24
Green, Brian K.
Card, picture, or sign exhibiting
Changing exhibitor
Motor operated
40437, G09F 1100
Patent
active
054599547
ABSTRACT:
A display apparatus having a transparent image screen which contains a mosaic of four discrete images formed from pixels which are interwoven in a predetermined arrangement such that each of the images are selected by precise positioning of the screen in four different positions relative to a grid mask which masks out all but pixels of a selected image. A platen comprising a platen surface which is supported by a rib structure mounts the image screen and is moveable through a precise pattern for selecting the pixels, and thereby the image, to be projected. A pair of arms are coupled to the platen and an eccentric drive and are driven by the eccentric drive to advance the platen positively through the pattern.
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Bronaugh William R.
Goodin John W.
Hubert Gustav
Peeters Bradford D.
Rickey Roger J.
Admotion Corporation
Green Brian K.
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