Patent ID: 8803679
Filing Date: 2014-08-12
Classification: B60K,B60W,B60Y,B62J

Abstract:
1. An engine rotational speed display device, comprising: a rotational speed sensor configured to detect a crankshaft rotational speed pulse according to rotation of a crank pulse rotor provided to a crankshaft of an engine; an engine rotational speed calculating unit configured to calculate an engine rotational speed by a moving average of a detected value of the crankshaft rotational speed pulse; and a display unit configured to display the engine rotational speed on a meter by electrical processing, wherein, when the crankshaft rotational speed pulse is not detected in a detection time equal to or more than a predetermined value, the engine rotational speed calculating unit determines that the engine rotational speed is “0” without calculating the engine rotational speed by the moving average, and the engine rotational speed of “0” is displayed on the meter.