Display device
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United States of America Patent
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Aug 7, 2001
Grant Date -
N/A
app pub date -
Jun 4, 1997
filing date -
Nov 28, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A viewing device for viewing transparencies comprising a display surface; a source of backlighting that backlights the display surface with linearly polarization axis; member for holding a transparency on the display surface;an optical sensor positioned so that it views the display surface; and polarizer, having a polarizer axis, and suituated between the display surface and the optical sensor. The viewing device is configured such that the polarizer axis is functionallu related to the polarization axis of the polarized light; and the polarized is smaller than the display surface.
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