Polarized windshield indicia reflection display system
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United States of America Patent
Stats
-
Feb 26, 1980
Grant Date -
N/A
app pub date -
Apr 18, 1978
filing date -
Apr 18, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A windshield indicia display system utilizing a liquid crystal display in conjunction with a polarizing filter element and semi-transparent reflective tape element to form a unique optical system capable of projecting in digital format a virtual image into the visual field of the operator. This virtual image, focused at infinity, utilizes the unmodified windshield as a remote polarizer for this unique optical system. Electronic means are provided to convert vehicle speed or other indicia into a decimal format capable of digital display by the system.
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Family
International Classification(s)
Cited Art Landscape
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