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.
Patent No.:
Date of Patent:
Mar. 31, 2020
Filed:
May. 21, 2018
Applicant:
Himax Technologies Limited, Tainan, TW;
Inventors:
Cheng-Hung Chi, Tainan, TW;
Yi-Nung Liu, Tainan, TW;
Assignee:
HIMAX TECHNOLOGIES LIMITED, Tainan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); H04N 5/74 (2006.01); G03B 21/20 (2006.01); G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
G06K 9/00255 (2013.01); G02B 27/0093 (2013.01); G03B 21/2033 (2013.01); H04N 5/7416 (2013.01);
Abstract
An optical projection system includes an image sensor, a light emitting circuit and a processor. The image sensor is configured to capture an image of a target object. The processor is electrically coupled to the image sensor and the light emitting circuit. The processor is configured to determine a size of the target object, and control the light emitting circuit to emit an optical pattern and to fan out the optical pattern according to the size of the target object, in order to cover the target object.