Patent · US Active

Biometric system with photoacoustic imaging

US10235551B2 · kind B2 · utility

1Cited by
6References
37Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 6, 2016
Grant dateMar 19, 2019
Priority date—
Expiry dateJul 29, 2036

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06V40/14
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A biometric system 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 capable of controlling the light source system to emit light and of receiving signals from the ultrasonic sensor array corresponding to acoustic waves emitted from portions of a target object in response to being illuminated with the light emitted by the light source system. The control system may be capable of performing a user authentication process that is based, at least in part, on the signals from the ultrasonic sensor array.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.