Patent ID: 6056397
Filing Date: 2000-05-02
Classification: G02C

Abstract:
A glare reduction device for use by a driver of an automotive vehicle for encountering a light source that emits light having an intensity, the automotive vehicle including a windshield defined by a perimeter having an upper portion, a lower portion, a driver's side portion, and a passenger's side portion, said glare reduction device comprising:a light filter supported by the automotive vehicle and positioned between the driver and the light source, said light filter being configured to reduce the intensity of the light emitted by the light source as seen by the driver through the windshield in a region, said region being defined by a portion of the perimeter of the windshield including the driver's side portion and a separatrix, said separatrix including:a horizontal segment being located between the driver's side portion and the passenger's side portion of the perimeter of the windshield and having first and second ends such that said second end is adjacent to the driver's side portion and said first end is adjacent to the passenger's side portion;a vertical segment beginning at a central position on the upper portion of the perimeter of the windshield and ending at said first end of said horizontal segment; anda perspective segment beginning at said second end of said horizontal segment extending downward at an obtuse angle towards the driver's side portion of the perimeter of the windshield and ending at the lower portion of the perimeter of the windshield.