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:
Jan. 07, 2020
Filed:
Aug. 28, 2018
Huawei Technologies Co., Ltd., Shenzhen, Guangdong, CN;
Li Zhu, Xi'an, CN;
Yingliang Yao, Beijing, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A secure data transmission apparatus includes: a dedicated communication signal processor, configured to send a first security interrupt to an application processor; and the application processor, configured to execute rich execution environment (REE) software, execute trusted execution environment (TEE) software under a trigger of the first security interrupt, and obtain first information from a shared memory of the dedicated communication signal processor and the application processor based on the first security interrupt. The dedicated communication signal processor is further configured to receive a second security interrupt sent by the application processor, and obtain second information from the shared memory. The application processor is further configured to send the second security interrupt to the dedicated communication signal processor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile