×

Electronic device and control method for controlling powering-saving state of electronic device

  • US 8,643,771 B2
  • Filed: 12/07/2011
  • Issued: 02/04/2014
  • Est. Priority Date: 04/26/2011
  • Status: Expired due to Fees
First Claim
Patent Images

1. An electronic device comprising:

  • an image capturing unit; and

    a processor for controlling the image capturing unit to periodically capture an image in front of the electronic device, and analyzing the captured image to determine whether a user is using the electronic device, and further controlling the electronic device to be in a working state if a user is using the electronic device;

    wherein the processor compares the captured image with a pre-stored image to determine whether a difference between the captured image and the pre-stored image matches a preset value, and determine that a user is using the electronic device if the difference matches the preset value;

    wherein the pre-stored image is an image of a human face without eyes, if the difference matches the preset value, the processor determines that the captured image comprises eyes, and determine that a user is using the electronic device.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×