Two-way communication in wireless power transfer
US8798537B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2012 |
| Grant date | Aug 5, 2014 |
| Priority date | — |
| Expiry date | Dec 1, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J50/80
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed herein is a wireless power transmitter for solving a problem that a collision occurs when recognizing an initial wireless power receiver in two-way communication of wireless power transmission. A wireless power transmitter according to a first embodiment disclosed herein may include a transceiver configured to transmit and/or receive a message to and/or from a wireless power receiver; and a controller configured to control the transceiver to transmit a message for requesting identification information to the wireless power receiver, and determine whether the identification information is validly received from the wireless power receiver by the transceiver in response to the identification information request, and control the transceiver to transmit a message for requesting sleep mode switching to the wireless power receiver when the identification information is validly received by the transceiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.