Invention Grant
- Patent Title: Distance measurement device based on phase difference
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Application No.: US15951529Application Date: 2018-04-12
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Publication No.: US10600196B2Publication Date: 2020-03-24
- Inventor: En-Feng Hsu , Chia-Yu Liu
- 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: WPAT, PC
- Priority: TW104121577A 20150702
- Main IPC: G06K9/00
- IPC: G06K9/00 ; G06T7/557 ; G01J9/00

Abstract:
A distance measurement device including a pixel array and a cover layer is provided. The cover layer is covered on the pixel array. The cover layer includes a first cover pattern covering on a first area of a plurality of first pixels and a second cover pattern covering on a second area of a plurality of second pixels. The first area and the second area are rectangles of mirror symmetry along a first direction.
Public/Granted literature
- US20180232898A1 DISTANCE MEASUREMENT DEVICE BASED ON PHASE DIFFERENCE Public/Granted day:2018-08-16
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