Hyundai Parts,Machinery Spare Parts,Hyundai Aftermarket Parts,Dump Truck Spare Parts JINING SHANTE SONGZHENG CONSTRUCTION MACHINERY CO.LTD , https://www.sdkomatsugenuineparts.com Application date: December 01, 2008 Open day: May 06, 2009 Authorization announcement day: Applicant / Patentee: Daya Applicant address: Room 1508, Building 33, Longyuan Villa, No.1 Dexing Road, Qingshuihe, Luohu District, Shenzhen, Guangdong, China Invention designer: Daya Patent agency: Shenzhen Chuangyou Patent Agency Co., Ltd. agent: Guo Xiaofen Patent type: Patent Classification number: E05B49/00
Locking device and unlocking method thereof, lock management center and control method thereof
Application No. / Patent No.: 200810218103
The invention discloses a lock and an unlocking method thereof, a lock management center and a control method thereof, and the unlocking method comprises: registering a lock information code and a user identity information code in a lock management center; and each lock is generated after being locked once; The display information code of the second time is displayed on the lock, and the information code and the lock information code are encrypted to obtain the current unlock password and stored in the storage module of the lock; when the user needs to unlock, the current display information is displayed. The code and the user identity information code are sent to the lock management center; the lock management center authenticates the user identity information code, and if the authentication is passed, the display information code and the lock information code are encrypted to obtain the current unlock password and sent to the user. . The lock of the invention, the unlocking method of the lock, the lock management center, and the safety and reliability of the lock management center.