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. 30, 2021
Filed:
Apr. 27, 2020
Applicant:
Huawei Technologies Co., Ltd., Shenzhen, CN;
Assignee:
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 25/10 (2006.01); G08B 13/00 (2006.01); G08B 13/196 (2006.01); G08B 21/22 (2006.01);
U.S. Cl.
CPC ...
G08B 25/10 (2013.01); G08B 13/00 (2013.01); G08B 13/19615 (2013.01); G08B 13/19697 (2013.01); G08B 21/22 (2013.01);
Abstract
An alarm method and system reduces costs, and the alarm method includes obtaining a detection signal from a terminal device, where the detection signal is a signal sent by the terminal device when the terminal device detects whether there is an available network, and performing an alarm operation when the detection signal meets a first condition.