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Vehicle lamp

  • US 5,727,874 A
  • Filed: 07/26/1996
  • Issued: 03/17/1998
  • Est. Priority Date: 07/28/1995
  • Status: Expired due to Fees
First Claim
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1. A vehicle lamp comprising:

  • a reflection mirror having a principal optical axis and a reflection surface comprising a plurality of reflection steps, said steps being defined by portions of respective paraboloids of revolution and disposed between adjacent ones of lines of intersection, each said lines of intersection being obtained where a respective one of a group of said paraboloids of revolution having different focal distances meets a basic reflection surface;

    a front lens arranged in front of said reflection mirror; and

    a light source arranged on said principal optical axis of said reflection mirror so that a central axis of said light source is arranged to be perpendicular to said principal optical axis of said reflection mirror;

    wherein said reflection steps are formed into longitudinal stripe-shapes in the vertical direction, when viewed in the direction of said principal optical axis of said reflection mirror, andwherein said lens steps are also formed in square regions on said front lens.

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