Reflection mirror equipped with a luminance sensor

Details Reflection mirror equipped with a luminance sensor Reflection mirror equipped with a luminance sensor

1998-01-02

1999-07-27

Spyrou, Cassandra

Optical: systems and elements

Mirror

With support

356445, 356446, G01N 2155, G01N 2147, G02B 7182

Patent

active

059300590

ABSTRACT:
A reflection mirror includes a reflection mirror body and a photo sensor for luminance measurement. The reflection mirror body has a three-dimensional curved reflection surface that receives light from a light source and reflects the light toward an object to be illuminated. The reflection mirror body also has a through hole in the vicinity of the center of the reflection surface. The center axis of the through hole is substantially parallel to a light path between the refection mirror body and the object but perpendicularly intersects a light path between the light source and the reflection mirror body. The photo sensor is received within the through hole and adapted to measure the luminance of an illuminated surface of the object.

REFERENCES:
patent: 4099051 (1978-07-01), Gugliotta
patent: 5605838 (1997-02-01), Backhaus et al.

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