ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,026, issued on Feb. 17, was assigned to CYBER POWER SYSTEMS INC. (Taipei, Taiwan).

"Method for detecting whether a battery is disconnected, an online uninterruptible power system and an offline uninterruptible power system using the method" was invented by Ming-Chuan Lin (Taipei, Taiwan), Jung-Hua Weng (Taipei, Taiwan) and Yu-Chieh Kung (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for detecting whether a battery is disconnected, an online UPS and an offline UPS using the method. The method comprises the following steps: determining whether a charging circuit charging a battery is in a constant voltage charging mode; and wh...