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:
May. 27, 2025
Filed:
Aug. 22, 2023
Ambit Microsystems (Shanghai) Ltd., Shanghai, CN;
Cheng-Lung Tsai, Hsinchu, TW;
AMBIT MICROSYSTEMS (SHANGHAI) LTD., Shanghai, CN;
Abstract
A method of unlocking a vehicle door, including generating a dynamic password based on dynamic information by a vehicle chip, then generating a reference key based on the dynamic password, and storing the reference key in a storage medium; updating the dynamic password stored in a server, and according to the request of the mobile device, providing the dynamic password to the mobile device through the server, and the mobile device generating a mobile key according to the dynamic password. Finally, the reference key and the mobile key are compared, and if the dynamic passwords corresponding to the reference key and the mobile key are the same, the vehicle door corresponding to the vehicle chip is unlocked by the vehicle chip.