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:
Apr. 14, 2025
Filed:
May. 10, 2022
Applicant:
Huawei Technologies Co., Ltd., Shenzhen, CN;
Inventors:
Assignee:
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 11/00 (2005.12); G06Q 20/38 (2011.12); H04M 15/00 (2005.12); H04W 4/24 (2017.12);
U.S. Cl.
CPC ...
H04M 15/8038 (2012.12); G06Q 20/389 (2012.12); H04M 15/41 (2012.12); H04W 4/24 (2012.12);
Abstract
A blockchain-based roaming transaction method includes sending, by a first network device, a charging data record file to a second network device; publishing, by the first network device, a currency statement to a blockchain; and receiving, by the first network device feedback information of the charging data record file from the second network device.