Auto-focusing zoom lens mechanism
US7356252B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 19, 2005 |
| Grant date | Apr 8, 2008 |
| Priority date | — |
| Expiry date | Oct 28, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B7/102
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An auto-focusing zoom lens mechanism includes a base unit forming a space; an auto-focusing (AF) lens unit located in the base unit and having a trajectory bar engaged therewith; a zoom lens unit located in the base unit and mounted on the AF lens unit and having a trajectory bar engaged therewith; a cam plate unit engaged with the AF lens unit and the zoom lens unit and provided with an AF trajectory groove and a zoom trajectory groove to receive the trajectory bars of the AF lens unit and the zoom lens unit; and a step motor unit engaged with the cam plate unit to drive the cam plate unit, the AF lens unit and the zoom lens unit moving.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.