发明名称 LENS UNIT
摘要 <P>PROBLEM TO BE SOLVED: To provide a lens unit hard to break by relieving impact force even when an impact is applied on lenses. Ž<P>SOLUTION: The lens unit includes at least three lenses 11 that are laminated and received in a lens barrel 10. The lenses 11 include a first lens 12, a second lens 13, and a third lens 14 that are laminated from the side of an object in this order. The first lens 12 includes a first contact face part 12a contacted on the side of the second lens 13 on the outer peripheral side. The lens unit includes a first counter face 12b facing in separation to the second lens 13 on the inner peripheral side of the first contact face part 12a. The second lens 13 includes a second contact face part 13b contacted on the side of the third lens 14 on the inner peripheral side rather than the first contact face part 12a. The lens unit includes a second opposite face part 13c facing in separation to the third lens 14 on the outer peripheral side of the second contact face part 13b. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
申请公布号 JP2010060715(A) 申请公布日期 2010.03.18
申请号 JP20080224851 申请日期 2008.09.02
申请人 ALPS ELECTRIC CO LTD 发明人 OTSUKI SOHIKO;IDA YUICHI
分类号 G02B7/02 主分类号 G02B7/02
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