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:
Sep. 14, 2021
Filed:
Mar. 16, 2020
Xiamen Lisi Tech Service Co., Ltd., Xiamen, CN;
Zhiyin Zeng, Xiamen, CN;
Kongtao Zhu, Xiamen, CN;
Hui Wu, Xiamen, CN;
Jiansheng Zeng, Xiamen, CN;
Henglin Luo, Xiamen, CN;
Mingyi Hong, Xiamen, CN;
XIAMEN LISI TECH SERVICE CO., LTD., Xiamen, CN;
Abstract
A monitoring method based on the detection of human ingested substances, comprises: acquiring the mass spectrum in the terminal of each matrix assisted laser ionization analysis time-of-flight mass spectrometer, and storing each mass spectrum and its corresponding identity information, sampling time and residence information when sampling in the database; obtaining the mass spectrum characteristic ion peaks of known substances and/or unknown substances in each mass spectrum; and counting the frequency of the mass spectrum characteristic ion peak of the known substance and/or the unknown substance, and early warning of the mass spectrum characteristic ion peak whose frequency is greater than the first threshold.