Eye camera systems with polarized light

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United States of America Patent

PATENT NO 11861941
SERIAL NO

16779297

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Abstract

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Methods and apparatus for using polarized light (e.g., infrared (IR) light) to improve eye-related functions such as iris recognition. An eye camera system includes one or more IR cameras that capture images of the user's eyes that are processed to perform iris recognition, gaze tracking, or other functions. At least one polarizing element may be located in the path of the light which is used to capture images of the user's eye. The user's eye may be illuminated by IR light emitted by one or more LEDs. At least one of the LEDs may be an LED with a polarizing filter. Instead or in addition, at least one polarizer may be located at the eye camera sensor, in the eye camera optics, or as or in an additional optical element located on the light path between the eye camera and the user's eye.

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Patent Owner(s)

Patent OwnerAddress
APPLE INC1 INFINITE LOOP CUPERTINO CA 95014

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gao, Hua Cupertino, US 99 1417
Haller, Martin Mountain View, US 21 65
Huang, Qiong Cupterino, US 34 131
Mandelli, Emanuele Mountain View, US 41 320
Molner, Keenan Palo Alto, US 6 1
Nikiforov, Andrei Berlin, DE 5 0
Petljanski, Branko San Jose, US 27 115
Sengelaub, Tom San Francisco, US 55 161
Valko, Edward A San Jose, US 6 308

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