Image Number 9 for United States Patent #4763268.
A direction display system utilizing a traveling azimuth of a vehicle and an angular coordinate of the vehicle on polar coordinates with an origin set at a specified location to determine a direction of the specified location to be displayed by the use of an indicator taken with reference to a pictorial display pattern of the vehicle. The traveling azimuth may also be used to determine a traveling direction of the vehicle so that both the direction of the specified location and the traveling direction of the vehicle can be selectively displayed on a single display unit operated by a switch.
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