Protective cover module for lens
US8240858B2 · kind B2 · utility
2Cited by
1References
7Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Mar 10, 2010 |
| Grant date | Aug 14, 2012 |
| Priority date | — |
| Expiry date | Jan 15, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B13/001
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A protective cover module includes a housing, a first positioning element, a second positioning element, and a plate. The housing defines a receiving hole. The second positioning element attaches to the housing and attracts the first positioning element positioning element by magnetic force. The plate slidably attaches to the housing, and configured to mount the first positioning element and cover the receiving hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.