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专利名称：POSITION TRANSDUCER发明人：Hideaki Sato,Kazunari Ogata,Naoki
Ohta,Asuka Moritaku,Tomonori Takeda
申请号：US143741申请日：20131025
公开号：US20150153204A1公开日：20150604
专利附图：
摘要：Provided is a position transducer which can be manufactured at low cost,improve the signal-to-noise ratio of an output obtained from a detector, and obtain astable output even if the temperature changes. A position transducer includes a
butterfly-shaped reflector attached to a rotating shaft of a rotation restriction motor ,an LED die disposed to face a central portion of the reflection surface of the reflector , adiffused-light absorbing member disposed on the surfaces of a diffused light absorberand a case , installed on the fixed side of the motor so as to surround the reflector with adistance from the reflector at the rear of the reflector as viewed from the LED die andabsorbing illumination light from the LED die which has not illuminated the reflectionsurface, and detectors mounted on the same printed circuit board as the LED die todetect an image reflected by the reflector
申请人：CITIZEN CHIBA PRECISION CO., LTD.,CITIZEN HOLDINGS CO., LTD.
地址：Chiba JP,Tokyo JP
国籍：JP,JP
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