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:
Jul. 29, 2025
Filed:
Apr. 29, 2024
Taiwan Semiconductor Manufacturing Company Ltd., Hsinchu, TW;
Wen-Chang Kuo, Hsinchu, TW;
Chiang Kao, Hsinchu, TW;
Kuo Hsiung Chen, Hsinchu, TW;
Ho-Han Liu, Hsinchu, TW;
Ti-Yen Yang, Hsinchu, TW;
Jo-Chan Liu, Hsinchu, TW;
Chi-Pin Wang, Tainan, TW;
Yao-Hsiung Chang, Hsinchu, TW;
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD., Hsinchu, TW;
Abstract
A method of operating a user device includes: receiving a command from a user to power on the user device; determining whether the user device is located within a restricted zone through accessing a key server located within the restricted zone by a first monitoring entity of the user device before an operating system of the user device is executed, wherein the key server is configured to store a key for encrypting or decrypting the user device; and granting access of the user to the user device by the first monitoring entity in response to determining the user device as being within the restricted zone through successfully accessing the key server.