Wireless power charging system

Title: Wireless power charging system

Brief Patent Description - Full Patent Description - Patent Claims

The Patent Description & Claims data below is from USPTO Patent Application 20090140690, Wireless power charging system.

What is claimed is:

1. A wireless power charging system for charging one or a plurality of wireless power receiving apparatuses in a short distance from a wireless power transmission apparatus, wherein the wireless power transmission apparatus comprises: a power transmission apparatus case as an outside body housing a main control unit and a resonant converter unit, which transmit an electric signal to the wireless power receiving apparatus via a resonance signal generated from a primary charge core; an output signal conversion module for transmitting the converted electric signal to the resonant converter unit by the control signal from the main control unit; and a received signal process module, which processes a signal transmitted from the wireless power receiving apparatus via the primary charge core and sends the processed signal out to the main control unit.

2. The wireless power charging system according to claim 1, wherein the resonant converter unit includes an R-L-C series-parallel resonant converter.

3. The wireless power charging system according to claim 1, wherein the power transmission apparatus case includes: a power on/off switch on a front side thereof; an input panel for signal input; and a display panel showing the charging status of the wireless power receiving apparatus and normal/abnormal status of the wireless power transmission apparatus, and wherein the power transmission apparatus further comprises a power supply unit installed inside the power transmission apparatus case.

4. The wireless power charging system according to claim 1, wherein the main control unit includes a power supply block connected with the power supply unit for power supply to the wireless power transmission apparatus; a signal output block for sending a signal to show the status on a display panel; a gate output signal process block coupled with an output signal conversion module for transmitting a power signal transferred from the primary charge core; a received signal process block for processing a signal transmitted from a received signal process module, which processes the signal transmitted from the wireless power receiving apparatus; and a main controller which controls the power supply block, the signal output block, the gate output signal process block, and the received signal process block.

5. The wireless power charging system according to claim 1, wherein the wireless power receiving apparatus includes: a secondary charge core fronting the primary charge core of the wireless power transmission apparatus in order to receive a power signal via the resonant with the magnetic field; a received power signal conversion module connected with the secondary charge core for converting the received power signal; a charge circuit block linked with the received power signal conversion module in order to charge the battery cell; a protection circuit block formed between the charge circuit block and the battery cell for detecting the charged current into the battery cell and sending the charging status of the battery cell to the wireless device control module; a voltage regulator block for the power supply to the wireless device control module; and a wireless device control module, which controls the received power signal conversion module, the charge circuit block, the protection circuit block, and the voltage regulator block.

Brief Patent Description - Full Patent Description - Patent Claims

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Patent Applications in related categories:

20090284220 - Method and apparatus for adaptive tuning of wireless power transfer - Exemplary embodiments are directed to wireless power transfer. A transmit antenna generates an electromagnetic field at a resonant frequency of to create a coupling-mode region within a near field of the transmit antenna. A receive antenna receives the resonant frequency when it is within the coupling-mode region and resonates substantially ...

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Previous Patent Application:
Wireless multi-charger system and controlling method thereof
Next Patent Application:
Flyback charge redistribution apparatus for serially connected energy storage devices using flyback-type converters
Industry Class:
Electricity: battery or capacitor charging or discharging

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