| 发明名称 |
PLASTIC BARREL, OPTICAL LENS ASSEMBLY, IMAGING APPARATUS AND ELECTRONIC DEVICE |
| 摘要 |
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. |
| 申请公布号 |
US2017010434(A1) |
申请公布日期 |
2017.01.12 |
| 申请号 |
US201514828704 |
申请日期 |
2015.08.18 |
| 申请人 |
LARGAN PRECISION CO., LTD. |
发明人 |
Chou Ming-Ta |
| 分类号 |
G02B7/02;G02B13/00 |
主分类号 |
G02B7/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A plastic barrel, comprising:
an object-end portion comprising an object-end surface and an object-end hole, wherein the object-end surface comprises a plurality of annular grooves, which are disposed coaxially to a central axis, and each of the annular grooves comprises a stepped surface; an image-end portion comprising an image-end opening; and a tube portion connecting the object-end portion and the image-end portion. |
| 地址 |
Taichung City TW |
