发明名称 |
Displacement detector for an encoder |
摘要 |
An absolute displacement detector utilizing two sensors and a code bearing track having domains arranged such that relative movement between the sensors and the track produces two signals in phase quadrature which are processed with digital circuitry to provide displacement data indicated by a multiple bit digital word whose higher bits indicate number of domains passed and whose lower bits indicate position within a domain.
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申请公布号 |
US4811254(A) |
申请公布日期 |
1989.03.07 |
申请号 |
US19860940545 |
申请日期 |
1986.12.12 |
申请人 |
NIPPON GAKKI SEIZO KABUSHIKI KAISHA |
发明人 |
IIJIMA, KENZABUROU;HAYASHI, YUOSHINORI;NONAKA, TERUMOTO;USUI, AKIRA |
分类号 |
H03M1/00;(IPC1-7):G06F15/36 |
主分类号 |
H03M1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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