Patent 7254910 was granted and assigned to Bbc International Llc on August, 2007 by the United States Patent and Trademark Office.
An article of footwear includes an electrical circuit having a battery, one or more integrated circuits connected to an array of LEDs and to a loudspeaker, and, a number of switches which are operative to activate the integrated circuit(s) in response to motion of the footwear and/or the application of a magnetic field from a permanent magnet located externally of the article of footwear.