Mirror assembly

  • US 5,361,190 A
  • Filed: 12/02/1992
  • Issued: 11/01/1994
  • Est. Priority Date: 02/20/1990
  • Status: Expired due to Term
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First Claim
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1. A mirror assembly comprising:

  • (a) a dichroic mirror having a first, forwardly facing surface and a second, rearwardly facing surface, the dichroic mirror allowing a predetermined narrow spectral band of light to pass from the second surface through the first surface, and reflecting a broad spectral band of visible light which strikes the first surface and which originates from a location forward of the first surface;

    (b) a light source positioned rearwardly of the second surface and emitting light in the predetermined narrow spectral band of light passed by the dichroic mirror; and

    (c) an electrical circuit for adjusting the light output of the light source in response to the ambient light level.

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