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1. 发明授权

US6047814A Method for monitoring a conveyor belt and system therefor 失效
标题翻译：监测输送带及其系统的方法
公开(公告)号：US6047814A
公开(公告)日：2000-04-11
申请号：US962302
申请日：1997-10-31
申请人： Rainer Alles , Thorsten Wach
发明人： Rainer Alles , Thorsten Wach
IPC分类号： B65G43/02 , B65G43/00 , B65G47/10
CPC分类号： B65G43/02
摘要： The invention relates to a method for monitoring a continuous revolving conveyor belt (4) having a connecting region (8). The connecting region (8) is monitored with the aid of two transponders (12) and (14). One of the transponders is arranged forward of the connecting region (8) and the other transponder is connected rearward of the connecting region (8). Both transponders (12) and (14) transmit respective signals to an external transmitter/receiver unit 16 wherein a conclusion is drawn as to the spacing of the two transponders (12) and (14) on the basis of the time-dependent spacing of the two signals. If the spacing s of the transponders (12) and (14) exceeds a pregiven amount, then a conclusion is drawn by the external transmitter/receiver unit (16) as to a critical change in length of the connecting region (8) and corresponding measures are initiated.
摘要翻译：本发明涉及一种用于监测具有连接区域（8）的连续旋转传送带（4）的方法。借助于两个转发器（12）和（14）来监视连接区域（8）。一个应答器布置在连接区域（8）的前方，另一个应答器连接在连接区域（8）的后方。两个应答器（12）和（14）将相应的信号发送到外部发射机/接收机单元16，其中根据时间依赖的间隔对两个应答器（12）和（14）的间隔作出结论两个信号。如果应答器（12）和（14）的间隔超过预定量，则外部发射器/接收器单元（16）得出关于连接区域（8）的长度的临界变化和相应的开始采取措施。

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