Invention Grant
- Patent Title: Bravais lens
- Patent Title (中): 布拉维镜片
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Application No.: US961117Application Date: 1997-10-30
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Publication No.: US5966252APublication Date: 1999-10-12
- Inventor: John D. Griffith
- Applicant: John D. Griffith
- Applicant Address: NY Rochester
- Assignee: Eastman Kodak Company
- Current Assignee: Eastman Kodak Company
- Current Assignee Address: NY Rochester
- Main IPC: G02B9/10
- IPC: G02B9/10 ; G02B9/56
Abstract:
A Bravais lens includes a front, positive power lens group and a rear, negative power lens group. These lens groups, in combination, provide the Bravais lens with a negative focal length and a negative power. The front, positive power lens group includes a positive power lens element and a negative power lens element. The rear, negative power lens group includes another negative power lens element and another positive power lens element.
Public/Granted literature
- US5379148A Connection with amplifying optical fibers Public/Granted day:1995-01-03
Information query
