ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,505,724, issued on Dec. 23, was assigned to NICOR INC. (Albuquerque, N.M.).
"IOT compatible electronic door chime" was invented by Rocklan E. Lawrence (Albuquerque, N.M.) and Qiang Hong (Jiangmen, 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 smart doorbells and IOT doorbells. Current generation smart doorbells, also called IOT doorbells, require continuous power to drive the cameras, audio interfaces, and other components within the smart doorbell. Compatibility issues with prior art doorbell systems have emerged with the smart doorbell receiving inadequate power or power ...