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:
Nov. 05, 2019
Filed:
Dec. 05, 2016
Crrc Qingdao Sifang Co., Ltd., Shandong, CN;
Bo Chen, Qingdao, CN;
Xiaojie Yu, Qingdao, CN;
Lijun Ma, Qingdao, CN;
Qing Tian, Qingdao, CN;
Huiqing Zhang, Qingdao, CN;
Qingjun Han, Qingdao, CN;
Xin Jiang, Qingdao, CN;
Jianying Liang, Qingdao, CN;
CRRC QINGDAO SIFANG CO., LTD., Qingdao, CN;
Abstract
Disclosed is an alarming and unlocking device. The alarming and unlocking device is installed in a passenger carriage and includes a control switch (), a communication device, and a locking device, wherein the control switch () is provided with an alarming position () and an unlocking position (); the control switch () is in signal connection with the communication device; when the control switch () is located at the alarming position (), the communication device is started to receive and send a voice signal; the locking device is installed on a door so as to control the door to lock or unlock; the control switch () is in signal connection with the locking device; and when the control switch () is located at the unlocking position (), the locking device performs an unlocking operation. According to the alarming and unlocking device, the problem that a structure for an alarming and unlocking device on a vehicle is relatively complex in the conventional art is solved.