Auxiliary lens module
US6767094B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Aug 5, 2002 |
| Grant date | Jul 27, 2004 |
| Priority date | — |
| Expiry date | Aug 5, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2200/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An auxiliary lens module includes a magnetic holder and a magnetic attaching arrangement that are fastened with each other by magnetic attraction, and an auxiliary lens fixedly fastened with the magnetic attaching arrangement. A first chamer is formed in an upper portion of a holder body of the magnetic holder to receive a first magnet. A second chamer is formed in a lower portion of the holder body to receive a second magnet. The magnetic attaching arrangement includes a L-shaped attaching body that has a long arm located upon the magnetic holder and a short arm located behind the magnetic holder. The long arm is provided with a third chamer that receives a third magnet. The short arm is provided with a fourth chamer that receives a fourth magnet. The long arm extends in a side tongue with which is fixedly fastened the auxiliary lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.