Speed indicating apparatus for automobile
OwnerJiunn-Feng Leeinventor
Life of this patent
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Abstract
A speed indicating apparatus for an automobile comprising a plurality of indicator lights showing the travelling speed at all times, a half-circular magnet pivoted on a hand shaft of a speedometer in the automobile, a plurality of contact metal plates connected to a lead wire of each said indicator light separately, and a ground connection circular metal plate connected to said hand shaft of said speedometer; said speed indicating apparatus being capable of giving indications of the travelling speed to other drivers at all times and reminding the driver of his speeding so as to minimize the traffic accidents.
Claims4
A speed indicating apparatus for an automobile comprising a plurality of indicator lights, a half-circular magnet pivoted on a shaft of a speed hand of a speedometer in the automobile, a plurality of contact metal plates of certain elasticity situated below said speedometer and connected to a lead wire of each said indicator lights separately, and a ground connection circular metal plate pivoted on said shaft of said speedometer and connected to the cathode of an electrical source;
- said magnet following said shaft to rotate so as to attract said contact metal plates to come into contact with said ground connection circular metal plate, and the indicator lights glowing in turn so as to give indications of the travelling speed to other drivers at all times.
Dependencies are inferred from the claim text.