A biometric sensor for detection of wrist blood vessels in a wrist strap

摘要

A biometric sensor apparatus for capturing patterns of blood vessels on the inner side of a wrist, comprising:
a portion of wrist strap;
a near infrared camera mounted on said portion and arranged for capturing said patterns when said portion is held at a distance of said wrist during closure or opening of the wrist strap. The apparatus may further comprise an illuminating unit for illuminating a portion of said inner side. The camera may be mounted in a deployant clasp.