Biometric Imaging Devices and Associated Methods
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United States of America Patent
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Jan 17, 2014
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Jul 13, 2011
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Abstract
Systems, devices, and methods for authenticating an individual or user using biometric features is provided. In one aspect, for example, a system for authenticating a user through identification of at least one biometric feature can include an active light source capable of emitting electromagnetic radiation having a peak emission wavelength at from about 700 nm to about 1200 nm, where the active light source is positioned to emit the electromagnetic radiation to impinge on at least one biometric feature of the user, and an image sensor having infrared light-trapping pixels positioned relative to the active light source to receive and detect the electromagnetic radiation upon reflection from the at least one biometric feature of the user. The system can further include a processing module functionally coupled to the image sensor and operable to generate an electronic representation of the at least one biometric feature of the user from detected electromagnetic radiation, and an authentication module functionally coupled to the processing module that is operable to receive and compare the electronic representation to an authenticated standard of the at least one biometric feature of the user to provide authentication of the user.
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