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Method of controlling power supply for fingerprint sensor, fingerprint processing device, and electronic device performing the same

  • US 9,967,100 B2
  • Filed: 11/05/2014
  • Issued: 05/08/2018
  • Est. Priority Date: 11/05/2013
  • Status: Active Grant
First Claim
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1. A method of controlling power supply for a fingerprint sensor, the method comprising:

  • receiving, by at least one processor of an electronic device, sensor data obtained from the fingerprint sensor;

    obtaining, by the at least one processor, information indicating whether the sensor data is a fingerprint form of data;

    if the sensor data is the fingerprint form of data, obtaining, by the at least one processor, information indicating whether a use mode of the electronic device equipped with the fingerprint sensor is a horizontal mode by using one of an acceleration sensor and a magnetic sensor; and

    if the use mode is the horizontal mode, decreasing, by the at least one processor, a power of the fingerprint sensor.

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