Patent ID: 8901875
Filing Date: 2014-12-02
Classification: G01R,H01M,H02J,Y02E

Abstract:
1. A Bi-Directional Wireless Charger, comprising: a rechargeable battery; at least one coil configured to receive and deliver power wirelessly, coupled to the rechargeable battery; circuitry to control the receiving and delivering of power wirelessly; a selection circuit that selectively causes power to be received wirelessly by the at least one coil and then provided to the battery or selectively causes power to be provided from the battery to the at least one coil wherein the at least one coil wirelessly transmits the power; and a control circuit , configured to utilize a wireless communication mechanism that: wherein the wireless communication mechanism is selected from Bluetooth, WiFi, other public or proprietary wireless protocols, modulation on the energy transfer itself, modulating a low frequency protocol on a high frequency energy transfer, by modulating a high frequency protocol on a low frequency energy transfer or an infrared interface; wherein an apparatus is configured to receive power at the at least one coil at one frequency and power is delivered to an electronic device from the same coil at a different frequency substantially concurrently; and a housing including the rechargeable battery, the at least one coil, the selection circuit, and the control circuit.