Invention Grant
- Patent Title: System for balancing center of gravity of a zoom lens
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Application No.: US16113353Application Date: 2018-08-27
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Publication No.: US10948681B2Publication Date: 2021-03-16
- Inventor: Takashi Koyama
- Applicant: SZ DJI TECHNOLOGY CO., LTD.
- Applicant Address: CN Shenzhen
- Assignee: SZ DJI TECHNOLOGY CO., LTD.
- Current Assignee: SZ DJI TECHNOLOGY CO., LTD.
- Current Assignee Address: CN Shenzhen
- Agency: Anova Law Group, PLLC
- Main IPC: G02B7/02
- IPC: G02B7/02 ; G02B7/00 ; G02B15/16 ; G02B27/64
Abstract:
A lens barrel includes one or more movable lens groups, and a cam barrel associated with the one or more movable lens groups and configured to balance a center of gravity of the one or more movable lens groups.
Public/Granted literature
- US20190011659A1 SYSTEM FOR BALANCING CENTER OF GRAVITY OF A ZOOM LENS Public/Granted day:2019-01-10
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 |
