Patent ID: 6718906
Filing Date: 2004-04-13
Classification: G01D,G01P,Y10S

Abstract:
A dual scale gauge for a motor vehicle, comprising:a) a mechanical indicator that moves in response to a sensed condition of a the motor vehicle; b) an overlay positioned behind said mechanical indicator, said overlay including a first scale having a first unit convention and a second scale corresponding to a conversion of said first unit convention into a second unit convention, said first scale and said second scale being visible only when illuminated from a back side of said overlay; c) a first light source positioned behind said overlay that illuminates said first scale and does not illuminate said second scale when the dual scale gauge is operated in a first mode; d) a second light source positioned behind said overlay that illuminates said second scale and does not illuminate said first scale when the gauge is operated in a second mode; and e) an actuable selector for selecting in which of said first or second modes the gauge is to be operated.