Selecting a startup condition of an electronic device corresponding to available power

  • US 9,423,852 B2
  • Filed: 01/16/2013
  • Issued: 08/23/2016
  • Est. Priority Date: 01/19/2012
  • Status: Expired due to Fees
First Claim
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1. A power control device, comprising:

  • a storage that stores therein a look-up table, which includes relationship between needed power consumptions and start-up conditions of an electronic device including a plurality of modules, the start-up condition of the electronic device being determined from the needed power consumption in the look-up table and specifying a power on/off status of the modules included the electronic device,a monitor that monitors a voltage or available power supplied by a power source when the electronic device is activated;

    a determining unit configured to determine a start-up condition corresponding to needed power consumption, which corresponds to the voltage or the available power monitored by the monitor, with reference to the look-up table;

    a controller that sets a start-up condition of the electronic device to start up the electronic device in the start-up condition determined by the determining unit; and

    a receiving unit configured to receive a wakeup event signal of exiting a sleep mode in which the number of the modules supplied with power is limited to a predetermined number and an operation of the electronic device is stopped,when the receiving unit receives the wakeup event signal, the monitor monitors the voltage or the available power supplied by the power source, the determining unit determines a condition corresponding to the power monitored by the monitor, and the controller sets a start-up condition of the electronic device to start up the electronic device in the condition determined by the determining unit.

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