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发明名称
防干扰的旋转编码器
摘要
本实用新型涉及一种防干扰的旋转编码器,其包括:整体呈环形的光信号接收电路板,该电路板的通孔内壁上覆有内金属环,该电路板的外圈侧壁上覆有外金属环。该旋转编码器还包括环形玻璃盘,邻近环形玻璃盘外圈处镀有环形铬膜层,环形铬膜层的上刻有用于表征编码信息的通、暗刻线;邻近环形玻璃盘内圈处镀有多圈彼此绝缘的铬膜封闭环,各铬膜封闭环与环形铬膜层绝缘。璃编码盘的邻近环形玻璃盘内圈处镀有多圈彼此绝缘的铬膜封闭环,各铬膜封闭环与环形铬膜层绝缘。电路板的两侧设有金属屏蔽罩,光源安装板的内侧设有金属屏蔽罩。
申请公布号
CN201955100U
申请公布日期
2011.08.31
申请号
CN201020569010.4
申请日期
2010.10.19
申请人
叶建丰
发明人
叶建丰
分类号
G01D3/036(2006.01)I
主分类号
G01D3/036(2006.01)I
代理机构
代理人
主权项
一种防中央干扰的旋转编码器,包括整体呈环形且设有光信号接收电路的电路板(1);其特征在于:该电路板(1)的中央通孔内壁上覆有内金属环(1 1),该电路板(1)的外圈侧壁上覆有外金属环(1 2)。
地址
325600 浙江省乐清市翁垟镇华新南路2号
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