This invention relates to a device in an electronic apparatus to maintain uninterrupted power supply during AC-mains failure, comprising a switch mode power supply (SMPS) charger block providing a DC output with constant charging current for low-high voltage mains operation, the SMPS being incorporated in the appara...
[Class : 45] Security Services For The Protection Of Property And Individuals; Personal And Social Services Rendered By Others To Meet The Needs Of Individuals.
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