ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,784,553, issued on Nov. 3, was assigned to LAW IP LLC (Albuquerque, N.M.).
"Electronic door chime" was invented by Jiabin Yu (Zhongshan City, China) and Qiang Hong (Jiangmen City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic door chime can meet safety standards and be compatible with doorbells. A new electronic door chime can safely powered doorbells and can be configured in a single gang box, while also being compatible with simple push button doorbell devices. A new electronic door chime can safely provide continuous power to smart doorbells, also called IOT doorbells, to drive the cameras, audio interface and other components wit...