Zoom lens adjustment structure
US8854741B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 8, 2013 |
| Grant date | Oct 7, 2014 |
| Priority date | — |
| Expiry date | Mar 8, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B7/102
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A zoom lens adjustment structure includes a substrate, a focus device and a driving device. The focus device is mounted on the substrate, and includes a stationary lens barrel, a outside guide lens barrel, and a cam lens barrel. The outside guide lens barrel is received in the stationary lens barrel, the cam lens barrel is set at the inner side of the outside guide lens barrel, and plurality of active lens barrels are sandwiched between the outside guide lens barrel and the cam lens barrel. The active lens barrel includes a lens set. The driving device includes a motor and a gear group, which is positioned laterally to the stationary lens barrel, to drive the focus device adjusting the position of the active lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.