Invention Grant
- Patent Title: Camera
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Application No.: US14865394Application Date: 2015-09-25
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Publication No.: US10663727B2Publication Date: 2020-05-26
- Inventor: Andrew J. Ouderkirk , Zhisheng Yun , Timothy L. Wong , Erin A. McDowell , Gregg A. Ambur
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: US MN St. Paul
- Agent Clifton F. Richardson
- Main IPC: G02B17/08
- IPC: G02B17/08 ; G02B27/28 ; G02B27/00 ; G09G3/00 ; G02B27/01 ; G02B13/00 ; B29D11/00 ; G02B30/00 ; G02B30/34 ; G02B30/35 ; G02B30/36 ; G02B5/30 ; G02B21/00 ; G02B27/14 ; G06F3/01 ; G02B1/04 ; G02B5/04 ; G02B27/09 ; G02B21/28 ; G02B21/04 ; G02B23/24 ; G02B5/00 ; G02B5/08 ; G02C7/08 ; B29C45/14 ; B29C55/04 ; B29K69/00 ; B29L9/00 ; G02C7/02 ; B29L11/00
Abstract:
A camera including an aperture, an image recording device, a reflective polarizer disposed between the aperture and the image recording device, a partial reflector disposed between the reflective polarizer and the image recording device, and a quarter wave retarder disposed between the reflective polarizer and the partial reflector. The reflective polarizer is curved about two orthogonal axes.
Public/Granted literature
- US20170068104A1 CAMERA Public/Granted day:2017-03-09
Information query
IPC分类:
| G | 物理 |
| G02 | 光学 |
| G02B | 光学元件、系统或仪器 |
| G02B17/00 | 有或无折射元件的具有反射面的系统 |
| G02B17/08 | .折反射系统 |
