Invention Grant
- Patent Title: Plastic barrel, optical lens assembly, imaging apparatus and electronic device
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Application No.: US15661202Application Date: 2017-07-27
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Publication No.: US10359598B2Publication Date: 2019-07-23
- Inventor: Ming-Ta Chou
- Applicant: LARGAN PRECISION CO., LTD.
- Applicant Address: TW Taichung
- Assignee: LARGAN PRECISION CO., LTD.
- Current Assignee: LARGAN PRECISION CO., LTD.
- Current Assignee Address: TW Taichung
- Agency: McClure, Qualey & Rodack, LLP
- Priority: TW104210894U 20150706
- Main IPC: G02B7/02
- IPC: G02B7/02 ; G02B13/00
Abstract:
A plastic barrel includes an object-end portion, an image-end portion and a tube portion. The object-end portion includes an object-end surface and an object-end hole, wherein the object-end surface includes a plurality of annular grooves, which are disposed coaxially to a central axis, and each of the annular grooves includes a stepped surface. The image-end portion includes an image-end opening. The tube portion connects the object-end portion and the image-end portion.
Public/Granted literature
- US20170322388A1 PLASTIC BARREL, OPTICAL LENS ASSEMBLY, IMAGING APPARATUS AND ELECTRONIC DEVICE Public/Granted day:2017-11-09
Information query
IPC分类:
| G | 物理 |
| G02 | 光学 |
| G02B | 光学元件、系统或仪器 |
| G02B7/00 | 光学元件的安装、调整装置或不漏光连接 |
| G02B7/02 | .用于透镜 |
