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Smart home appliances, operating method of thereof, and voice recognition system using the smart home appliances

  • US 10,269,344 B2
  • Filed: 11/04/2014
  • Issued: 04/23/2019
  • Est. Priority Date: 12/11/2013
  • Status: Active Grant
First Claim
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1. A smart home appliance comprising:

  • a voice input unit collecting a voice of a user, the voice input unit comprising a microphone;

    a voice recognition unit recognizing a text corresponding to the voice collected through the voice input unit;

    a capturing unit collecting an image for detecting a visage of the user, the capturing unit comprising a camera;

    a memory unit mapping the text recognized by the voice recognition unit and a setting function and storing the mapped information, and storing a keyword information that the user may input to start a voice recognition service;

    a control unit determining whether to perform a voice recognition service on the basis of at least one information of image information collected by the capturing unit and voice information collected by the voice input unit;

    a filter unit removing a noise sound from the voice inputted through the voice input unit; and

    a memory unit mapping voice information related to an operation of the smart home appliance and voice information unrelated to an operation of the smart home appliance in the voice inputted through the voice input unit and storing the mapped information;

    wherein the control unit comprises a face detection unit recognizing that the user is in a staring state for voice input when image information on the user'"'"'s visage is collected for more than a setting time through the capturing unit, andwherein the control unit determines that a voice recognition service standby state is entered when it is recognized that there is keyword information in the user'"'"'s voice collected through the voice input unit and the user is in the staring state through the face detection unit.

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