| 摘要 |
<p>The present invention relates to a hand geometry reader, wherein the hand geometry reader comprises a first transparent optic defining a first optical volume, the first transparent optic comprising a first face adapted to admit at least a portion of light rays corresponding to a hand, the light rays undergoing total internal reflections within the first optical volume, and a photo sensor adapted to capture at least the portion of light rays exiting the first optical volume for acquiring an</p> |
