Invention Grant
- Patent Title: Multi-focal lenses with segmented boundaries
- Patent Title (中): 具有分段边界的多焦点镜头
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Application No.: US12765146Application Date: 2010-04-22
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Publication No.: US08297751B2Publication Date: 2012-10-30
- Inventor: Ray Steven Spratt , Darryl Meister , Wolf Krause
- Applicant: Ray Steven Spratt , Darryl Meister , Wolf Krause
- Applicant Address: US CA Petaluma DE Aalen
- Assignee: Carl Zeiss Vision Inc.,Carl Zeiss Vision International GmbH
- Current Assignee: Carl Zeiss Vision Inc.,Carl Zeiss Vision International GmbH
- Current Assignee Address: US CA Petaluma DE Aalen
- Agency: Goodwin Procter LLP
- Main IPC: G02C7/04
- IPC: G02C7/04 ; G02C7/06
Abstract:
The invention provides multi-focal segmented lenses with boundaries that include at least one blended portion and at least one sharp portion. The lenses may possess, for example, the aesthetic advantage of blended multi-segment or progressive lenses while largely retaining the functional advantage of multi-segment lenses with sharp segment boundaries.
Public/Granted literature
- US20110261318A1 MULTI-FOCAL LENSES WITH SEGMENTED BOUNDARIES Public/Granted day:2011-10-27
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