Wireless charging of mobile device
US8743856B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2011 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Jun 27, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D10/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Systems, circuits, and devices for wirelessly charging a mobile device are disclosed. In one embodiment, a system of a mobile device comprises a low power PAN module and a controller for the low power PAN module configured to monitor a connection request signal communicated from an external device while the mobile device is in a sleep mode, where the controller is supplied with quiescent current from a battery of the mobile device during the sleep mode. In addition, the system comprises an AP of the mobile device configured to wake up from the sleep mode when the connection request signal is validated by the controller, forward to the external device an equipment identity data of the mobile device and a charging status of the battery, and charge the battery of the mobile device with energy received from a wireless charging module associated with the external device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.