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ULTRASONIC BIOMETRIC SENSING DEVICE INTEGRATED WITH OPTICS

  • US 20190087621A1
  • Filed: 08/07/2018
  • Published: 03/21/2019
  • Est. Priority Date: 08/09/2017
  • Status: Active Grant
First Claim
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1. A biometric sensing device with ultrasonic fingerprint sensing, the biometric sensing device comprising:

  • a surface configured to receive a finger;

    an ultrasonic fingerprint sensor comprising ultrasonic transducers configured to transmit an ultrasound signal to the surface, the ultrasonic fingerprint sensor being configured to generate data indicative of an image of at least a portion of the finger on the surface; and

    an optical system integrated with the ultrasonic fingerprint sensor, the optical system configured to transmit light to the surface through the ultrasonic fingerprint sensor.

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