发明授权
- 专利标题： Rotary polygon mirror device
- 专利标题（中）： 旋转多面镜设备
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申请号： US698152申请日： 1996-08-07
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公开(公告)号： US5691833A公开(公告)日： 1997-11-25
- 发明人: Junshin Sakamoto , Susumu Saito
- 申请人： Junshin Sakamoto , Susumu Saito
- 申请人地址： JPX Tokyo
- 专利权人： Hitachi Koki Co., Ltd.
- 当前专利权人： Hitachi Koki Co., Ltd.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX7-210804 19950818
- 主分类号： G02B26/10
- IPC分类号： G02B26/10 ; G02B26/12 ; G02B26/08
摘要：
In a rotary polygon mirror device comprising a cylinder rotatably supported for holding a polygon mirror and a casing over the outer peripheral surface of said cylinder through a predetermined gap, the thermal expansion coefficient of said casing is set for 1.2-1.6 times as large as that of said cylinder.
公开/授权文献
- US5205161A Fuel consumption measurement system 公开/授权日：1993-04-27
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