Electro-optical display apparatus
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United States of America Patent
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Apr 17, 2001
Grant Date -
N/A
app pub date -
Sep 17, 1997
filing date -
Sep 17, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Electro-optical display apparatus includes a plurality of modular units each having a projector for receiving electrical signals, converting them to optical images, and projecting the optical images via an optical projection system onto a screen. The modular units are arranged in a side-by-side array such as to produce a combined display on the screen. A calibration system detects distortions in the combined display caused by the projection system of each modular unit and modifies the electrical signals applied to the projector of each modular unit to correct the combined display with respect to the detected distortions.
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