PORTABLE DEVICE HAVING FINGERPRINT RECOGNITION FUNCTION
First Claim
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1. A portable device having fingerprint recognition function, comprising:
- an image sensing unit for capturing fingerprint images of a finger;
a microprocessor, linked to the image sensing unit, for recording the fingerprint image of the finger, identifying the fingerprint image of the finger from a fingerprint database, receiving a command signal and transmitting a response signal;
a signal transmitting unit, connected to the microprocessor, for transmitting the command signal and the response signal between the microprocessor and a command device separated from the portable device,a carrying member for carrying the image sensing unit, the microprocessor, and the signal transmitting unit; and
a housing, having a cleaning unit, for confining the carrying member to move partially in and out of the housing,wherein the cleaning unit removes residual fingerprint from the image sensing unit while the carrying member moves in and out of the housing.
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Abstract
A portable device having fingerprint recognition function includes an image sensing unit, a microprocessor, a signal transmitting unit, a carrying member, a cleaning unit, and a housing. It is characterized that the cleaning unit removes residual fingerprint from the image sensing unit while the carrying member moves in and out of the housing. The portable device of the present invention is free from fingerprint residue and can reduce security risks.
20 Citations
10 Claims
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1. A portable device having fingerprint recognition function, comprising:
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an image sensing unit for capturing fingerprint images of a finger; a microprocessor, linked to the image sensing unit, for recording the fingerprint image of the finger, identifying the fingerprint image of the finger from a fingerprint database, receiving a command signal and transmitting a response signal; a signal transmitting unit, connected to the microprocessor, for transmitting the command signal and the response signal between the microprocessor and a command device separated from the portable device, a carrying member for carrying the image sensing unit, the microprocessor, and the signal transmitting unit; and a housing, having a cleaning unit, for confining the carrying member to move partially in and out of the housing, wherein the cleaning unit removes residual fingerprint from the image sensing unit while the carrying member moves in and out of the housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification