| 摘要 |
PURPOSE:To immediately display both a present position and a running direction of an automobile, by executing an operation in accordance with a signal obtained from the running direction of the automobile and its speed. CONSTITUTION:A signal obtained from a direction sensor 1 is converted to a digital value through one of input terminals 31, 32 in accordance with an address signal applied to an address terminal 33, by an A/D converter 3, and is outputted to an output terminal 34. On the other hand, a signal obtained by a car speed sensor 2 is amplified and outputted to an output terminal 41. Subsequently, the operation is executed by an operating device 6 whenever an automobile runs by a constant distance, its result is outputted to output terminals 61, 62, and its present position is displayed by display parts 8, 9. Also, the running direction is displayed by a direction display part 7. |
