Enhanced security fingerprint sensor package and related methods
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United States of America Patent
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-
Sep 21, 1999
Grant Date -
N/A
app pub date -
Jan 26, 1996
filing date -
Jan 26, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A fingerprint sensor package includes a tamper-resistant housing, a fingerprint sensor mounted in the housing, and an encryption output circuit mounted within the housing and operatively connected to the fingerprint sensor for generating an encrypted output signal related to a sensed fingerprint. The fingerprint sensor package may include a processor operatively connected between the fingerprint sensor and the encryption circuit. In addition, the package may also include a reference fingerprint memory for storing reference fingerprint information. Accordingly, the processor may have the capability to determine if a sensed fingerprint matches a stored reference fingerprint. To further enhance security of the stored reference fingerprint information, the sensor package also preferably includes a removing circuit or device for removing reference fingerprint information from the reference fingerprint storage means responsive to tampering. In one embodiment of the invention, the fingerprint sensor preferably includes an electric field integrated circuit fingerprint sensor. Method aspects of the invention are also disclosed.
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