airport noise
Noise Cancelling Patents
This month our Columbus IP lawyers have added new content to the Interesting Patents page including inventions that would be right at home in a science fiction movie! First, try to imagine a Silent Subliminal Presentation System that uses very low or very high audio frequency for silent communication. Next, can you imagine a quiet airport? The U.S. Navy is researching, and patenting, ways to cancel airport noise as evidenced by their patent for a Wide Area Noise Cancellation System And Method.