Method and device to measure the optical transmission factor of a tinted glass panel by reflection
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United States of America Patent
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May 15, 1990
Grant Date -
N/A
app pub date -
Apr 12, 1988
filing date -
Apr 14, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a method and a device for determining the optical transmission factor of a glass panel by identification transmits an incident electromagnetic radiation towards the glass panel and the intensity of the reflected radiation is detected and measured. The reflection coefficient of the panel is compared with reflection coefficient reference values representing the transmission factor of tinted glass reference panels to determine the optical transmission factor of the panel examined.
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