Patent ID: 8641220

Claim:
Lighted footwear, comprising: a. footwear structure comprising a sole having toe and heel portions, and an upper including a fastening strap for confining a wearer's foot on the sole; and b. a display apparatus, comprising: i. a circuit module comprising: 1. an inertia switch comprising a stationary element and an elastic element, the elements being electrically conductive and making contact when the inertia switch is subjected to an effective acceleration; 2. a logic circuit electrically connected to the inertia switch; 3. a battery located in a heel portion of the sole, comprising a rechargeable battery module for powering the integrated circuit; and 4. an enclosure sealingly encapsulating the inertia switch and the logic circuit; ii. a plurality of illuminators; iii. a protective charging circuit located in the fastening strap and connected to the battery module; and iv. a wiring harness connected to the illuminators outside the enclosure and having an end portion sealingly extending into the enclosure and connecting the illuminators to plural points of the logic circuit, the logic circuit being configured for activating the illuminators in a predetermined activation sequence upon the inertia switch being subjected to the effective acceleration; wherein the encapsulated enclosure is located within the heel portion of the sole; and the illuminators are distributed on the footwear structure for external view.