G - Physics – 02 – B
Patent
G - Physics
02
B
88/117, 88/70, 3
G02B 27/00 (2006.01) G02B 27/01 (2006.01) G02B 5/28 (2006.01) G02B 5/30 (2006.01)
Patent
CA 2013410
A head-up display having an image source for pro- ducing imaging illumination, an optical combiner for partially reflecting the imaging illumination to produce a virtual image of the image source that is viewable by the operator of the vehicle, and a polarizer which can be controllably interposed between the image source and the optical combiner for nighttime use. The polarizer tends to block the illumination that otherwise would produce objectionable ghost images.
Chern Mao-Jin
Hegg Ronald G.
Smith Ronald T.
Hughes Electronics Corporation
Sim & Mcburney
LandOfFree
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