Optical encoder, method for preparing the optical

专利名称：Optical encoder, method for preparing the

optical encoder, and moving speedcontrolling device and apparatus using theoptical encoder

发明人：Hasegawa, Koichi c/o Ricoh Co., Ltd.申请号：EP08252177.4申请日：20080625公开号：EP2009405A2公开日：20081231

专利附图：

摘要：An optical encoder including a sensor module (51; 90) including a light emitting

member (51a), a light receiving member (51b) opposite to the light emittingmember toreceive the emitted light, and at least one boss (55) extending in a first direction (Z) ; ashade member (50; 94) located between the light emitting member and the lightreceiving member and having a shading pattern (50a); a first support (72; 86) supportingthe sensor module and including at least one recessed portion (75) engaged with theboss, and a groove (76) connected with the recessed portion and extending in a seconddirection (X), wherein the sensor module is attached to the first support by being movedin the second direction while the boss is guided by the groove, and wherein the recessedportion has a depth greater than the height of the boss, and a portion (79) of the grooveadjacent to the recessed portion has a depth less than the height of the boss.

申请人：Ricoh Company, Ltd.

地址：3-6, Nakamagome 1-chome, Ohta-ku Tokyo 143-8555 JP

国籍：JP

代理机构：Leeming, John Gerard

更多信息请下载全文后查看