摘要:
A drive is provided for a rotatably mounted display element which is distinctively colored on opposite sides and having a magnet rotatable therewith defining a magnetic axis transverse to the axis of rotation, a pole piece of reversible permanently magnetizable material, designed so that the reversible field of said pole piece will produce opposite orientations of said display element, a coil for energizing said pole piece. There is provided means for determining from the characteristics of current resulting from voltage applied to said coil whether or not the polarity of said pole piece is being reversed.
摘要:
An indication apparatus indicates a highest priority one of a plurality of simultaneously occurring abnormal states of a vehicle. When one of a plurality of abnormal state sensors is opened, a drive motor coupled to an indication drum starts to rotate and stops when a position on the indication drum indicating above abnormal state sensor is reached. When another sensor having higher priority than the first sensor is also opened, the indication drum rotates to the position corresponding to the second higher priority sensor, but when a sensor having a lower priority is further opened the indication drum remains fixed at the position corresponding to the first sensor.