Encoder and encoding method for slip ring
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United States of America Patent
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Dec 20, 2016
Grant Date -
Jul 2, 2015
app pub date -
Dec 19, 2014
filing date -
Dec 26, 2013
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Abstract
Disclosed is an encoder and encoding method for slip ring. The encoder includes: an encoding belt that is fixed to a slip ring and has a plurality of holes regularly arranged on the encoding belt; at least one pair of first sensors provided on one side of the encoding belt, wherein the first sensors of each pair generate a first sense signal and a first redundant sense signal respectively based on light emitted from the other side of the encoding belt and passing through the plurality of holes, when the encoding belt rotates with the slip ring; and at least one signal combiner connected to the at least one pair of the first sensors, and configured to combine the first sense signal and the first redundant sense signal to obtain a combined sense signal as a first encoded signal. With embodiments of the present invention, a redundant signal is provided by using a redundant sensor, and it is possible to avoid interference of foreign substance, improve stability of encoded signals and ensure normal operation of equipment.
First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- NUCTECH COMPANY LIMITED
International Classification(s)
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- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Ding, Hui | Beijing, CN | 81 | 291 |
Tang, Hu | Beijing, CN | 27 | 108 |
Zhang, Jinyu | Beijing, CN | 75 | 218 |
Zhu, Yumin | Beijing, CN | 3 | 4 |
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