Lens unit and compact image pickup module
US7230777B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 31, 2006 |
| Grant date | Jun 12, 2007 |
| Priority date | — |
| Expiry date | Mar 31, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B13/18
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The lens unit includes an imaging lens including lenses, each of which includes a lens portion having an optical function and a flange portion on a periphery of the lens portion, and a ring-shaped lens holding member provided between the lenses and holds at least one of the lenses and a cylindrical-shaped lens-barrel including a lens holding portion that holds the imaging lens. The flange portion of each of the lenses is fittable to the flange portion of the other lens of the lenses, or the lens holding portion or an inner surface of the lens-barrel, and the lenses combined with each other through fitting to the flange portion of the other lens, the lens holding portion or the inner surface of the lens-barrel have respective shapes in which optical axes of the lenses coincide each other under a fitting state. The compact image pickup module includes the lens unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.