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APPARATUS FOR CONTROLLING LED INDICATOR OF CHARGING STATUS AT THE PRIMARY CONTROL SIDE OF AN AC-DC POWER CHARGER

  • US 20100321193A1
  • Filed: 06/23/2009
  • Published: 12/23/2010
  • Est. Priority Date: 06/23/2009
  • Status: Active Grant
First Claim
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1. A charger which comprises a charging power supply and a charge status indicator, wherein, the charge status indicator comprises a detecting chip for monitoring charge status connected between the primary winding of transformer and ground, and a display module used for displaying the charge status, wherein, said detecting chip for monitoring charge status comprising:

  • a detecting module for detecting the charging state of the charge power supply;

    a comparing module for determining the current charge status based on the detected charging state.

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