Personal authentication using heart sound waveform and/or breathing waveform pattern
First Claim
1. A personal authentication system using heart sound waveform and/or breathing waveform pattern, comprising:
- a waveform detection means which detects a heart sound waveform pattern and/or a breathing waveform pattern; and
a means which compares the heart sound waveform pattern and/or the breathing waveform pattern that the waveform detection means detects with the previously registered heart sound waveform pattern and/or the registered breathing waveform pattern and then judges, wherein the waveform detection means comprises an air pad being filled inside with a foamed resin and the air and a piezoelectric sensor detecting a change in air pressure in the air pad, wherein the air pressure of the air pad side of the piezoelectric sensor is held and other side thereof is open up to the air so as to form a difference in pressure between the air-filled chamber and the open-up-to-the-air side, and wherein if the detected waveform pattern coincides with the registered waveform pattern the user is identified.
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Abstract
We provide quite a novel personal authentication system using heart sound waveform and/or breathing waveform pattern which promptly judges personal authentication of a person to be authenticated with a very high degree of accuracy. The personal authentication system is comprised of a waveform detection means which detects a heart sound waveform pattern and a means which compares a heart sound waveform pattern detected by the waveform detection means with a previously registered heart sound waveform pattern. If the detected heart sound waveform pattern coincides with the registered heart sound waveform pattern, the system authenticates the person to be identical. In such constitution, the system can check the autonomic heart sound which cannot be controlled by a personal will based on the previously registered heart sound waveform pattern in real time, and performs personal authentication of the person to be authenticated with very high accuracy promptly.
20 Citations
21 Claims
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1. A personal authentication system using heart sound waveform and/or breathing waveform pattern, comprising:
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a waveform detection means which detects a heart sound waveform pattern and/or a breathing waveform pattern; and
a means which compares the heart sound waveform pattern and/or the breathing waveform pattern that the waveform detection means detects with the previously registered heart sound waveform pattern and/or the registered breathing waveform pattern and then judges, wherein the waveform detection means comprises an air pad being filled inside with a foamed resin and the air and a piezoelectric sensor detecting a change in air pressure in the air pad, wherein the air pressure of the air pad side of the piezoelectric sensor is held and other side thereof is open up to the air so as to form a difference in pressure between the air-filled chamber and the open-up-to-the-air side, and wherein if the detected waveform pattern coincides with the registered waveform pattern the user is identified. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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2. (canceled)
Specification