Abnormality processing circuit for an encoder
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United States of America Patent
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Jul 7, 1992
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N/A
app pub date -
Feb 26, 1991
filing date -
Jun 30, 1989
priority date (Note) -
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Abstract
An encoder of the invention comprises: an abnormality detecting circuit for detecting an abnormal state of an encoder main body; and a circuit which inverts a part of output signals of the encoder main body and outputs or does not output a part of the output signals of the encoder main body in response to an abnormality detection signal which is output from the abnormality detecting circuit when the encoder main body is abnormal. Thus, the occurrence of the abnormality of the encoder main body can be detected from the outside.
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