发明名称 LENS UNIT AND ON-VEHICLE CAMERA
摘要 PROBLEM TO BE SOLVED: To provide a lens unit and on-vehicle camera that can prevent lenses supported by a lens barrel from moving due to a temperature change.SOLUTION: A lens unit 20 comprises: a lens group 19 that has a plurality of lenses 2, 3, 4, 5, 6 and 7 lined along an optical axis of the lenses 2, 3, 4, 5, 6 and 7; and a lens barrel 1 that integrally holds the lens group 19. The lens unit 20 comprises an annular spacer 13 that is arranged among the lenses 2, 3, 4, 5, 6 and 7 of at least one portion of the lens group 19. The spacer 13 is made up of a wave spring extendable in the optical axis of the lenses 2, 3, 4, 5, 6 and 7.SELECTED DRAWING: Figure 1
申请公布号 JP2016224388(A) 申请公布日期 2016.12.28
申请号 JP20150113707 申请日期 2015.06.04
申请人 HITACHI MAXELL LTD 发明人 HIRATA HIROYUKI;MAKINO YUTAKA
分类号 G02B7/02;G03B15/00 主分类号 G02B7/02
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