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Directly viewable speed display system

  • US 5,469,184 A
  • Filed: 05/11/1994
  • Issued: 11/21/1995
  • Est. Priority Date: 04/15/1991
  • Status: Expired due to Term
First Claim
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1. A speed display system for use in a vehicle, intended to be operated by a sighted human operator, said operator having an optical focus point which is changeable, said display system comprising:

  • at least one illumination device, the illumination of which represents a speed scale,at least one illumination device distinct from the first mentioned illumination device, the illumination of which represents an actual speed of the vehicle,means to cause illumination of said speed scale and said actual speed illumination devices,said illuminated speed scale and actual speed illumination devices being mounted in said vehicle so as to be directly viewable by the operator of the vehicle when the operator'"'"'s optical focus point is directed towards the path of the vehicle.

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