Invention Grant
US4016534A Indicator device for automobiles 失效
汽车指示装置

Indicator device for automobiles
Abstract:
An indicator device for vehicles such as an automobile car which can show locations in a predetermined priority sequence if there is something wrong with various functions of the car, and comprises a plurality of indicating elements superposed in layers, each having a light source, light reflecting spots to represent a character and checking means for checking the light source, sensors for detecting changes in the functions, and an electrical control circuit actuated by signals from the sensors for energizing the light sources.
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