发明名称 Position measuring device
摘要 A position measuring device including a code having a first code element and a second code element arranged one behind the other in a measuring direction, wherein each of the first and second code elements includes a first partial area and a second partial area, which are complementary to each other and are arranged sequentially in the measuring direction. A scanning device including a plurality of detector elements that scan the first and second code elements and for forming a first scanning signal within the first partial area of the first code element and a second scanning signal within the second partial area of the first code element. An evaluation unit including a comparison device, which compares the first scanning signal with the second scanning signal and forms binary information for the first code element as a function of the comparison.
申请公布号 US7013575(B2) 申请公布日期 2006.03.21
申请号 US20040500787 申请日期 2004.07.02
申请人 DR. JOHANNES HEIDENHAIN GMBH 发明人 STRASSER ERICH;MITTMANN RUDOLF
分类号 G01B7/02;G01D5/249;G01D5/347;G01D5/36;H03M1/06;H03M1/28 主分类号 G01B7/02
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