发明名称 Projection lens assembly
摘要 A projection lens assembly is provided that includes first, second, third, fourth, fifth, and sixth lenses. The second, third, fifth, and sixth lenses of the projection lens assembly form a double gauss-type lens assembly. The first lens is configured to provide telecentricity and the fourth lens in configured to correct aberrations due to variations in the third lens.
申请公布号 US7167316(B1) 申请公布日期 2007.01.23
申请号 US20050193948 申请日期 2005.07.29
申请人 HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 发明人 GUPTA ANURAG;KETTLE WIATT;LERNER SCOTT
分类号 G02B3/00;G02B13/22 主分类号 G02B3/00
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