US Patent Issued to NEC on Oct. 28 for "Conversation surveillance apparatus, control method, and computer readable medium" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,456,302, issued on Oct. 28, was assigned to NEC Corp. (Tokyo).

"Conversation surveillance apparatus, control method, and computer readable medium" was invented by Junichi Funada (Tokyo) and Hisashi Mizumoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A conversation surveillance apparatus (2000) detects a plurality of persons (a human group (40)) who have a conversation within a predetermined distance in a surveillance area (10) from video data (32). The conversation surveillance apparatus (2000) determines the duration of the conversation held by the human group (40) and puts the determined duration of the conversation into a storage device in...