G - Physics – 03 – B
Patent
G - Physics
03
B
240/147
G03B 27/54 (2006.01) F21V 7/04 (2006.01) G03G 15/04 (2006.01)
Patent
CA 1257238
ABSTRACT OF THE DISCLOSURE An illuminating device for uniformly illuminating a planar object has a single light source and a reflecting mirror. The planar object is illuminated by light reflected from the reflecting mirror. The reflecting mirror has a reflecting surface shaped to cause the reflected light to uniformly illuminate the planar object dependent on whether the planar object is illuminated directly or through a transparent plane-parallel plate such as a glass plate, or dependent on the type of the light source.
492947
Borden Ladner Gervais Llp
Ricoh Company Limited
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