专利名称:OPTICAL DISPLACEMENT ENCODER发明人:Hiroatsu MORI,Minoru TANAKA申请号:US14206130申请日:20140312
公开号:US20150276435A1公开日:20151001
专利附图:
摘要:An optical encoder includes a scale having bar-like scale marks; a detectionhead having a light source fiber emitting coherent light at the scale and a photoreceiverfiber receiving light reflected off the scale; electronic components connected to thedetection head via the light source fiber and the photoreceiver fiber; and a protector
covering the scale marks at a predetermined distance from the scale marks. Theprotector is a member configured with light-transmissive material and includes a topsurface that is inclined with respect to a principal surface of the scale.
申请人:MITUTOYO CORPORATION
地址:Kanagawa JP
国籍:JP
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