Wirelessly powered audio devices

US9544683B2 · kind B2 · utility

Assignee

• WiTricity Corporation · US

Inventors

• Steven J. Ganem · Westwood, US
• Hiroshi Antonio Mendoza · San Francisco, US
• Morris P. Kesler · Bedford, US
• Konrad J. Kulikowski · North Andover, US
• Andre B. Kurs · Sharon, US
• Alexander P. McCauley · Sunnyvale, US
• Eric R. Giler · Wellesley, US
• Katherine L. Hall · Westford, US
• Gozde Guckaya · Belmont, US

Key dates

• Filing date: Oct 17, 2013
• Grant date: Jan 10, 2017
• Expiry date: Jan 26, 2035

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y04S30/14
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

Techniques herein provide wireless energy transfer to audio devices such as headphones, headsets, hearing aids, and the like. Audio devices are integrated with a device resonator. The device resonator may be positioned and oriented to reduce interaction with lossy or sensitive components of the audio device. A repeater resonator and/or a source resonator is integrated into a headrest of a seat or a chair providing continuous power to the headphones while in use. The audio devices may be recharged wirelessly when positioned near source resonators that may be embedded in pads, tables, carrying cases, cups, and the like.