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:
Jun. 16, 2026
Filed:
Nov. 02, 2022
Huawei Technologies Co., Ltd., Guangdong, CN;
Hangfei Li, Guangdong, CN;
Xiaosong Wei, Guangdong, CN;
Wenqiang Xia, Guangdong, CN;
Hao Zhang, Guangdong, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A heart detection module includes a light emitting component, a light receiving component, and a Fresnel film, where the light emitting component and the light receiving component are disposed in an optical isolation manner, the Fresnel film is located on a same side of the light emitting component and the light receiving component, and a light outlet surface of the light emitting component faces the Fresnel film. The Fresnel film has a light absorption medium, and in a direction perpendicular to the Fresnel film, the light absorption medium is located between the light emitting component and the light receiving component.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile