Data reader for reading biological data from constrained human body region
First Claim
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1. A data reader comprising:
- a substantially cylindrical cavity in which a finger is freely inserted;
data reading means disposed in said cavity for reading fingerprint data from a said finger placed in a readout position;
region constraining means disposed in said cavity for constraining said finger placed in said readout position; and
mode switching means for switching said region constraining means between a mode in which said finger is movable and a mode in which said finger is constrained;
wherein said region constraining means comprises a single annular balloon member which is inflatable and deflatable when a fluid is introduced under pressure into said region constraining means and discharged from said region constraining means, respectively, and said finger is constrained by said balloon member in all directions from the outer circumferential surface of the substantially cylindrical finger to the center of said cavity.
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Abstract
A data reader constrains a human body region of an examinee in a readout position upon inflation of balloon members. The data reader can safely and reliably constrains the human body region, which is not uniform in outer profile, with a simple structure, and read biological data from the constrained human body region. The data reader is capable of reading biological data from the constrained human body region even when the examinee is not cooperative.
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Citations
11 Claims
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1. A data reader comprising:
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a substantially cylindrical cavity in which a finger is freely inserted; data reading means disposed in said cavity for reading fingerprint data from a said finger placed in a readout position; region constraining means disposed in said cavity for constraining said finger placed in said readout position; and mode switching means for switching said region constraining means between a mode in which said finger is movable and a mode in which said finger is constrained; wherein said region constraining means comprises a single annular balloon member which is inflatable and deflatable when a fluid is introduced under pressure into said region constraining means and discharged from said region constraining means, respectively, and said finger is constrained by said balloon member in all directions from the outer circumferential surface of the substantially cylindrical finger to the center of said cavity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification