Invention Grant
- Patent Title: Illumination system having different light sources adapt to different work surfaces
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Application No.: US17197336Application Date: 2021-03-10
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Publication No.: US11550161B2Publication Date: 2023-01-10
- Inventor: Sai-Mun Lee
- Applicant: PixArt Imaging Inc.
- Applicant Address: TW Hsin-Chu County
- Assignee: PixArt Imaging Inc.
- Current Assignee: PixArt Imaging Inc.
- Current Assignee Address: TW Hsin-Chu County
- Agency: Hauptman Ham, LLP
- Main IPC: G02B27/09
- IPC: G02B27/09 ; G06F3/03 ; G06F3/0354
Abstract:
There is provided an illumination system of a navigation device including a light beam shaping optics, and a first light source and a second light source having different characteristics. The light beam shaping optics is used to shape light beams emitted by the first light source and the second light source to illuminate a work surface with substantially identical incident angles and/or beam sizes.
Public/Granted literature
- US20210199982A1 ILLUMINATION SYSTEM HAVING DIFFERENT LIGHT SOURCES ADAPT TO DIFFERENT WORK SURFACES Public/Granted day:2021-07-01
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