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:
Feb. 21, 2023
Filed:
Oct. 23, 2020
Applicant:
Alibaba Group Holding Limited, Grand Cafyman, KY;
Inventor:
Xiaoxia Cui, Hangzhou, CN;
Assignee:
Alibaba Group Holding Limited, Grand Cayman, KY;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/78 (2013.01); G06F 21/62 (2013.01); G06F 9/445 (2018.01); G06F 21/76 (2013.01);
U.S. Cl.
CPC ...
G06F 21/78 (2013.01); G06F 9/445 (2013.01);
Abstract
An embedded system and method, comprising a processor adapted to execute an instruction of an application program, where the instruction includes an access instruction for a hardware device; a memory adapted to store the instruction of the application program; and a physical memory protection apparatus coupled to the processor and the memory, where the access instruction accesses the hardware device through the physical memory protection apparatus.