Method and device to measure the optical transmission factor of

Details Method and device to measure the optical transmission factor of Method and device to measure the optical transmission factor of

1988-04-12

1990-05-15

Rosenberger, Richard A.

Optics: measuring and testing

For light transmission or absorption

By comparison

250341, G01J 110, F21M 300

Patent

active

049253107

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.

REFERENCES:
patent: 1848874 (1932-03-01), Fitzgerald
patent: 3589814 (1971-06-01), Patterson
patent: 4015127 (1977-03-01), Sharkins
patent: 4125328 (1978-11-01), Suga
patent: 4167335 (1979-09-01), Williams

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