ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,834, issued on Sept. 23, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Communications method and apparatus for a dual-card terminal" was invented by Hui Jin (Shenzhen, China), Yu Cai (Beijing) and Chuting Yao (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Communications method and apparatus are provided to resolve a problem of a loss of terminal data related to a service requirement of one card of a dual-card terminal with only one transmit chain when the other card of the terminal is in connected state. The method includes: when a first card is in a connected state and a second card is in a non-connected state, a commu...