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Detecting method for position

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专利汇可以提供Detecting method for position专利检索,专利查询,专利分析的服务。并且PURPOSE: To increase the accuracy to detect position and to avoid malfunction, by obtaining the lower bit with direct conversion of output of incremental encoder, in the detection circuit for the upper rank bit of detection position information with the detecting circuit of normal accuracy.
CONSTITUTION: In the normal rotation of incremental encoder, the output pulse signal Pa of phase A rises at time T
1 and falls down at T
3 , and the output pulse signal Pb of phase B is at L level at T
1 and at H level at T
3 , and the count up signal is fed to the counter 36 in the detection circuit of normal accuracy. Further, in reverse rotation of encoder, the count down signal is fed to the counter 36 and the content is outputted as the position information D
1 . On the other hand, pulses Pa and Pb are made to the position information D
0 in two bits via the binary conversion circuit 40 and added to the information D
1 . Further, the position information D taking the information D
0 as lower rank bit and the information D
1 as upper rank bit is obtained to perform position detection.
COPYRIGHT: (C)1980,JPO&Japio,下面是Detecting method for position专利的具体信息内容。

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