Car running speedmeter
专利汇可以提供Car running speedmeter专利检索，专利查询，专利分析的服务。并且PURPOSE: To secure the common application even in the countries featuring the different display units and thus to realize the mass production of the speedmeter by displaying several kinds of the unit and figrues on the same indicator along with several kinds of the count time.
CONSTITUTION: Pulse generator 3 is installed at the area of mission case 2 of engine 1 to secure generation of 20 units of pulses with every turn of the shaft. As a result, 12740 and 20000 units of pulses are generated per minute with 60km/h and 60 miles/h respectively since the relation is fixed between the revolution number of the shaft and the velocity of the car. These numbers of pulses are counted by control driving circuit 4 to obtain the velocity and the running distance of the car. For display unit 5, the voltage is applied to scale 500 and figure 502 as well as scale 500 and figure 503 according to the displays km/h and miles/h respectively. Thus segment 501 is driven. At the same time, the running distance is displayed by display 506, km unit display 507 and mile unit display 508 each. In this way, the mass production is possible for the same control circuit, display unit and pulse generator each for the common application in the countries featuring the different display units.
COPYRIGHT: (C)1980,JPO&Japio，下面是Car running speedmeter专利的具体信息内容。
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