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:
Dec. 25, 2018
Filed:
May. 21, 2015
Huawei Technologies Co., Ltd., Shenzhen, CN;
Chenxi Lu, Beijing, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A method includes obtaining a first speed and a first location of a portable electronic device that are at a first time point, determining, according to the first speed and a time difference between a second time point and the first time point, a geo-fencing centering on a second location, where the geo-fencing is a virtual fence including points whose distances to the second location are equal to a reference distance, the reference distance is not greater than a product obtained by multiplying the first speed by the time difference, and the second time point and the second location are preset, and triggering a preset operation when the first location is outside the geo-fencing.