电脑自动计时收费器

申请公布号：CN2253494Y

申请号：CN95237538.9

申请日期：1995.09.01

申请公布日期：1997.04.30

申请人：

张斌;周锦礼

发明人：张斌;周锦礼

分类号：G06F17/60;G01D4/00

主分类号：G06F17/60

代理机构：

长沙市希望专利事务所

代理人：颜勇

地址：410008湖南省长沙市北站路265号

摘要：电脑自动计时收费器，它由光电转换电路，处理器，锁存器，程序存储器，显示电路组成，处理器根据光电转换电路输入的信息，通过锁存器和程序存储器调用相应程序进行运算、处理，以实现自动计时收费并显示的目的。本实用新型结构简单，性能可靠，造价低，操作方便，自动化程度高，适于作为各种按时间计费的收费场所使用。

主权项：电脑自动计时收费器，包括光电转换电路1，中央处理器2，锁存器3，程序存储器4，显示电路5，基准电路6，按扭7，其特征在于光电转换电路1，程序存储器4，基准电路6，按扭7的输出分别接中央处理器2的输入，中央处理器2的输出分别接显示电路5、锁存器3，锁存器3的输出接程序存储器4的输入，且光电转换电路1由光电耦合器D1-D3，电阻R2-R7组成，中央处理器2由集成块IC1组成，锁存器3由集成块IC2组成，程序存储器4由集成块IC3组成，显示器5由LED数码管组成，基准电路6由晶振N、电容C1，C2组成，按扭8由开关K组成。

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