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Biometric system with photoacoustic image processing

A technology of light source system and image data, which is applied in subcutaneous biometrics, printing image acquisition, biometric identification, etc., and can solve problems such as fingerprint sensor deception

Active Publication Date: 2018-12-21
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, some fingerprint sensors are easily spoofed

Method used

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  • Biometric system with photoacoustic image processing
  • Biometric system with photoacoustic image processing
  • Biometric system with photoacoustic image processing

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Embodiment Construction

[0059] The following description pertains to certain embodiments for the purpose of describing the innovative aspects of this invention. However, one of ordinary skill in the art will readily recognize that the teachings herein can be applied in a multitude of different ways. The described embodiments may be implemented in any device, apparatus or system comprising a biometric system as disclosed herein. Additionally, it is contemplated that the described implementations may be included in or associated with a variety of electronic devices such as, but not limited to, a mobile telephone; a cellular telephone with multimedia Internet capabilities; a mobile television receiver ; wireless devices; smart phones; smart cards; wearable devices such as bracelets, armbands, wristbands, loops, headbands, patches, etc.; Devices; Personal Data Assistants (PDAs); Wireless Email Receivers; Handheld or Portable Computers; Mini Notebooks; Notebook Computers; Smart Notebook Computers; Table...

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Abstract

Disclosed is an apparatus. The apparatus may include an ultrasonic sensor array, a light source system and a control system. Some implementations may include an ultrasonic transmitter. The control system may be operatively configured to control the light source system to emit light that induces acoustic wave emissions inside a target object. The control system may be operatively configured to select a first acquisition time delay for the reception of acoustic wave emissions primarily from a first depth inside the target object. The control system may be operatively configured to acquire firstultrasonic image data from the acoustic wave emissions received by the ultrasonic sensor array during a first acquisition time window. The first acquisition time window may be initiated at an end timeof the first acquisition time delay.

Description

[0001] priority claim [0002] This application claims priority to U.S. Application No. 15 / 149,048, filed May 6, 2016, and entitled "BIOMETRIC SYSTEM WITH PHOTOACOUSTIC IMAGING," which is hereby Incorporated by reference. technical field [0003] The present invention generally relates to biometric devices and methods, including but not limited to biometric devices and methods suitable for mobile devices. Background technique [0004] As mobile devices become more and more multifunctional, user authentication becomes increasingly important. Increasing amounts of personal information can be stored on and / or accessed by mobile devices. Furthermore, mobile devices are increasingly being used to make purchases and perform other business transactions. Some mobile devices, including but not limited to smart phones, currently include fingerprint sensors for user authentication. However, some fingerprint sensors are easily spoofed. Improved authentication methods will be requi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/00G06K9/00
CPCA61B5/0095A61B5/6898A61B5/14532A61B5/14542A61B5/14546A61B5/7225A61B2562/0204A61B2562/0242G06V40/1382G06V40/1306G06V20/64G06V40/14G06V10/457G06V40/1371
Inventor 卢奕鹏戴维·威廉·伯恩斯
Owner QUALCOMM INC
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