发明名称 LENS MOVING MECHANISM AND LIQUID CRYSTAL PROJECTOR
摘要 PROBLEM TO BE SOLVED: To provide a lens moving mechanism which has a simple configuration with a lens barrel movable smoothly and with high accuracy by further improving the lens barrel moving mechanism of a liquid crystal projector and to provide the liquid crystal projecting using the lens moving mechanism. SOLUTION: This lens moving mechanism for moving a lens holding member 20 holding the lens barrel 15 provided with a projection lens for projecting light having image information in a Z axis and an X axis is provided with a tracking member, a moving member and first and second guiding mechanisms 23, 23, 24, 24 provided with a plurality of rolling elements, etc., arranged between a rolling element forwarding surface of the tracking member and a rolling element forwarding surface. The first and second guiding mechanisms 23, 23, 24, 24 move the lens barrel 15 in the Z and X directions. COPYRIGHT: (C)2004,JPO
申请公布号 JP2004077612(A) 申请公布日期 2004.03.11
申请号 JP20020235088 申请日期 2002.08.12
申请人 SANYO ELECTRIC CO LTD;THK CO LTD 发明人 KOBA HIROKI;TAKEHARA SUSUMU;HOSHIIDE KAORU;KOUCHI MINORU;ETO KENTARO
分类号 G02B7/02;G02B7/04;G03B5/00;G03B5/06;G03B21/00;G03B21/14;(IPC1-7):G02B7/04 主分类号 G02B7/02
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