US Patent
Patent No. US 11516345
Published on Nov 29, 2022
Application No. 17/463729
Filed on Sep 1, 2021
Priority Date -
Inventor/Applicants
Liu, Zhishen - Campbell, CA US
Classification
International:6
H04M 3/523
H04L 65/1046;
H04L 65/1053;
H04M 7/00;
H04M 3/51;
H04L 65/1069;
Field of Search
379/265
Examiner
Ye, Zi