Invention Grant
- Patent Title: Catadioptric system for mid-wave thermal imaging equipment
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Application No.: US16553645Application Date: 2019-08-28
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Publication No.: US11320638B2Publication Date: 2022-05-03
- Inventor: Tien Hai Tran , Quang Trung Trinh , Duy Nhat Tran
- Applicant: VIETTEL GROUP
- Applicant Address: VN Ha Noi
- Assignee: VIETTEL GROUP
- Current Assignee: VIETTEL GROUP
- Current Assignee Address: VN Ha Noi
- Agency: PatentTM.US
- Priority: VN1-2018-03820 20180829
- Main IPC: G02B17/08
- IPC: G02B17/08 ; G02B13/14

Abstract:
The invention proposed the catadioptric system, which consists of two main components: the first component comprising the two reflective mirrors, in which surface distortion of mirror 1 is parabolic, surface distortion of mirror 2 is aspheric; the second component is a relay consisting of three lenses: lens 1, lens 2, and lens 3 arranged after the medial image plane correspondingly; the second component helps reduce aberration to ensure receiving good quality image at a plane of the sensor.
Public/Granted literature
- US20200073098A1 Catadioptric System for Mid-Wave Thermal Imaging Equipment Public/Granted day:2020-03-05
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 |