The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 26, 2023

Filed:

Dec. 07, 2021
Applicant:

Iview Displays (Shenzhen) Company Ltd., Shenzhen, CN;

Inventors:

Wenxiang Li, Shenzhen, CN;

Mingnei Ding, Shenzhen, CN;

Steve Yeung, Hong Kong, CN;

Zhiqiang Gao, Hong Kong, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/31 (2006.01); G06T 7/521 (2017.01); G02B 7/08 (2021.01); G01B 11/25 (2006.01); G01S 17/894 (2020.01);
U.S. Cl.
CPC ...
H04N 9/317 (2013.01); G02B 7/08 (2013.01); G06T 7/521 (2017.01); G01B 11/25 (2013.01); G01S 17/894 (2020.01); G06T 2207/10028 (2013.01); G06T 2207/20068 (2013.01);
Abstract

Embodiments of the present disclosure relate to the technical field of digital projection and display, and in particular, relate to an automatic focusing projection method and system. The embodiments provide an automatic focusing projection method, which is applicable to an automatic focusing projection system. The automatic focusing projection system includes a ranging unit, a projection unit, and a reflection unit. The method includes: acquiring a depth image from the ranging unit, and acquiring a vertical projection distance from the ranging unit to a projection plane based on the depth image; acquiring position information of a center point of a projection picture in the depth image based on an elevation angle of the reflection unit and the vertical projection distance; acquiring a projection distance between the projection unit and the projection picture based on the position information; and performing focus adjustment on the projection unit based on the projection distance.


Find Patent Forward Citations

Li, Wenxiang. (2023). Automatic focusing projection method and system (U.S. Patent No. 11856339). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11856339

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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