Power saving apparatus in an appliance
First Claim
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1. A power saving apparatus in an appliance, comprising:
- a DC power,supply output unit that outputs a DC voltage of a predetermined level by converting an AC power supply or by converting a battery voltage;
a main DC/DC converter that supplies a plurality of operating voltages to a corresponding plurality of devices by converting the DC voltage;
a micro-controller that receives user entered power management data; and
a plurality of power switches controlled by a micro-controller that selectively disconnect each of the plurality of devices to carry out a power saving function.
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Abstract
Disclosed a system and method of lengthening a life span of a battery power supply in an appliance such as a portable appliance, notebook computer or the like. A power saving method in an appliance includes displaying a user set-up menu for a power saving on a screen by respectively checking systems in the appliance, outputting a control command to a micro-controller in accordance with power saving contents determined on the user set-up menu by a user, and executing a power saving program set up by the user in accordance with the control command of the micro-controller.
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Citations
15 Claims
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1. A power saving apparatus in an appliance, comprising:
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a DC power,supply output unit that outputs a DC voltage of a predetermined level by converting an AC power supply or by converting a battery voltage;
a main DC/DC converter that supplies a plurality of operating voltages to a corresponding plurality of devices by converting the DC voltage;
a micro-controller that receives user entered power management data; and
a plurality of power switches controlled by a micro-controller that selectively disconnect each of the plurality of devices to carry out a power saving function. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification