Patent ID: 8154651
Filing Date: 2012-04-10
Classification: H04N

Abstract:
1. An image recording apparatus, capable of preventing maloperations when entering into sleep mode, comprising: a display module, a detecting unit, a power supply unit, supplying power to the display module and the detecting unit; a first switch, coupled with the display module, the detecting unit and the power supply unit, determining open or short between the power supply unit and the display module, between the power supply unit and the detecting module; a second switch, coupled with the power supply unit and the detecting unit, determining open or short between the power supply unit and the detecting unit; and a control unit, further comprising an interrupt unit, receiving a trigger of an external event, wherein the control unit controls the first switch in an on-state to supply power to the display module and the detecting unit, disables the interrupt unit and controls the second switch in an on-state and the first switch in an off-state to supply power to the detecting unit via the second switch after an idle status of the image recording apparatus exceeds a predetermined time; and then enables the interrupt unit after a default time.