Patent · US Active

Lens barrel, image pickup device, and lens barrel manufacturing method

US8068294B2 · kind B2 · utility

9Cited by
13References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 10, 2010
Grant dateNov 29, 2011
Priority date
Expiry dateDec 10, 2030

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49885
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A lens barrel includes a fourth lens, a prism, and a sixth lens. The fourth lens receives a light flux incident along a first optical axis. The prism includes a reflecting surface reflecting the light flux passing through the fourth lens to a direction along a second optical axis intersecting with the first optical axis. The sixth lens receives the light flux reflected by the prism. A second group frame includes an opening portion, a prism retaining frame that is arranged in a more inner position than the opening portion and in which the prism is contained, and a plurality of adhesive pockets arranged on an area around the prism retaining frame and being open to the side of the opening portion. Adhesive agent is filled in the adhesive pockets.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.