Patent ID: 8723348
Filing Date: 2014-05-13
Classification: H02J

Abstract:
1. A portable electronic device adapted for recharging during oscillating motion of the electronic device, comprising: a device housing including battery contacts of the electronic device; and a battery assembly supported by the device housing, the battery assembly comprising: wherein the kinetic energy-based generator includes: wherein the single permanent magnet is positioned within the chamber with a single pair of opposing poles provided at first and second ends of the single permanent magnet being proximate to opposite ends of the chamber, wherein the single permanent magnet has a non-circular cross sectional shape in a plane transverse to an axis extending through both of the opposing poles, wherein the chamber has a non-circular cross sectional shape in a plane extending through a longitudinal axis of the chamber, and wherein the non-circular cross sectional shape of both the single permanent magnet and the chamber is a triangle or is a polygon with at least five sides.