发明授权
- 专利标题: Lens system for facsimile
- 专利标题(中): 镜头系统传真
-
申请号: US81904申请日: 1979-10-04
-
公开(公告)号: US4264139A公开(公告)日: 1981-04-28
- 发明人: Haruo Maeda
- 申请人: Haruo Maeda
- 申请人地址: JPX Tokyo
- 专利权人: Olympus Optical Co., Ltd.
- 当前专利权人: Olympus Optical Co., Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX52-115009 19770924
- 主分类号: G02B9/12
- IPC分类号: G02B9/12 ; G02B9/20 ; G02B9/34 ; G02B13/24
摘要:
A lens system for facsimile comprising a first positive lens component, a second biconcave lens component and a third lens component consisting of a negative lens element and a positive lens element, said lens system having high OTF and assuring very low distortion as well as high intensity for marginal rays.
公开/授权文献
- USD398834S Appliance mount 公开/授权日:1998-09-29
信息查询