发明授权
- 专利标题: System for illuminating an annular field
- 专利标题(中): 用于照亮环形场的系统
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申请号: US875453申请日: 1978-02-06
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公开(公告)号: US4241390A公开(公告)日: 1980-12-23
- 发明人: David A. Markle , Abe Offner
- 申请人: David A. Markle , Abe Offner
- 申请人地址: CT Norwalk
- 专利权人: The Perkin-Elmer Corporation
- 当前专利权人: The Perkin-Elmer Corporation
- 当前专利权人地址: CT Norwalk
- 主分类号: G02B19/00
- IPC分类号: G02B19/00 ; F21V7/00
摘要:
This invention relates to a system for illuminating an annular field disposed about an axis characterized by an arcuate source of radiation disposed concentrically about the axis, and an annular field imaging system having an axis of symmetry coincident with said axis for forming an image of the arcuate source on the annular field.
公开/授权文献
- US4738992A Hydrophilic polyurethane/polyurea sponge 公开/授权日:1988-04-19
信息查询
IPC分类:
G | 物理 |
G02 | 光学 |
G02B | 光学元件、系统或仪器 |
G02B19/00 | 聚光镜(用于显微镜的入G02B21/08) |