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Wireless Multi-Charger System and Controlling Method Thereof

  • US 20090140691A1
  • Filed: 07/02/2008
  • Published: 06/04/2009
  • Est. Priority Date: 11/30/2007
  • Status: Active Grant
First Claim
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1. A wireless multi-charger system (A) comprising a wireless multi-power transmission device 10 for transmitting a power signal to a wireless power transmission device 30 in a wireless manner,wherein the wireless multi-power transmission device 10 include a wireless charger case 11 formed as an external body, the wireless charger case 11 having a full-bridge resonant converter 22 and a central controller 21 mounted thereinside to transmit a power signal to the wireless power transmission device 30 in a wireless manner,wherein the wireless charger case 11 has a wireless charger table 12 formed in an upper surface thereof,wherein the wireless charger table 12 has a plurality of charger blocks 14, each of which includes a primary charging core 13,wherein the full-bridge resonant converter 22 is present in a plural form and coupled respectively to a plurality of the charger blocks 14,wherein a multi-gate driver module 23 is provided to transmit a converted power signal to each of a plurality of the full-bridge resonant converters 22 under the control of the central controller 21, andwherein a reception signal processor module 24 coupled to a plurality of the charger blocks 14 to process a signal transmitted from the wireless power transmission device 30 and supply the processed signal to the central controller 21 is provided.

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