Fingerprint reading security system in an electronic device
First Claim
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1. An electronic apparatus comprising a digital camera a fingerprint reading unit having a stamping area;
- and an optical system positioned in the fingerprint reading unit and comprising a lens additional to any lens incorporated in the digital camera, in which the fingerprint reading unit is operative to direct an image of an object on the stamping area through the lens system for capture by the digital camera.
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Abstract
This invention discloses an inexpensive, lightweight, and miniature-size fingerprint reading unit for an electronic apparatus such as a mobile computer terminal and a portable telephone system. It includes a fingerprint authentication method for the apparatus. The optical system of the fingerprint reading unit includes an auxiliary lens between the fingerprint stamping area and a digital camera positioned to capture an image of a fingerprint placed on the stamping area.
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17 Claims
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1. An electronic apparatus comprising
a digital camera a fingerprint reading unit having a stamping area; - and
an optical system positioned in the fingerprint reading unit and comprising a lens additional to any lens incorporated in the digital camera, in which the fingerprint reading unit is operative to direct an image of an object on the stamping area through the lens system for capture by the digital camera. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17)
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13. A fingerprint reading and authentication method comprising the steps of
providing an electronic apparatus comprising a digital camera, and a fingerprint reading unit having a stamping area, capturing into the digital camera a fingerprint image of a finger in contact with the stamping area, extracting information from the fingerprint image which uniquely characterizes the fingerprint image, comparing the information extracted which the fingerprint image to pre-registered fingerprint image data, authenticating whether the fingerprint image is the same as any image contained in the pre-registered fingerprint image data.
Specification