DIGITAL SECURITY SYSTEM, METHOD AND PROGRAM
First Claim
1. A digital security system comprising:
- abdominal pressure signal acquiring means for acquiring an abdominal pressure signal from an abdominal pressure sensor for detecting an abdominal pressure of personnel and for acquiring a respiration signal from a respiration sensor for detecting breathing of said personnel to which these sensors are fitted;
abdominal pressure signal extracting means for subtracting the respiration signal component from the acquired abdominal pressure signal to extract an abdominal pressure signal with suppressed influence of respiration;
abnormality determining means for determining whether it is abnormality based on the abdominal pressure signal extracted by the abdominal pressure signal extracting means; and
control means for reporting an abnormal situation according to the abnormality determination result by the abnormality determining means.
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Accused Products
Abstract
Provided are a digital security system, method and a program that prevent erroneous reports and failed reports to improve reliability, while allowing reporting an abnormal situation in security, even in front of a suspicious person, without the suspicious person'"'"'s awareness. The digital security system comprises an abdominal pressure signal acquisition unit (101) that acquires an abdominal pressure signal from an abdominal pressure sensor (10) for detecting a user'"'"'s abdominal pressure and acquires a respiration signal from a respiration sensor (20) for detecting the user'"'"'s breathing, an abdominal pressure signal extraction unit (102) that subtracts the respiration signal component from the acquired abdominal pressure signal to extract an abdominal pressure signal with suppressed influence of respiration, an abnormality determination unit (112) that determines whether it is abnormality based on the abdominal pressure signal from which the respiration signal component has been subtracted, and an alarm sending unit (203) that reports an abnormal situation based on a determination result as being the occurrence of an abnormal situation.
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Citations
9 Claims
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1. A digital security system comprising:
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abdominal pressure signal acquiring means for acquiring an abdominal pressure signal from an abdominal pressure sensor for detecting an abdominal pressure of personnel and for acquiring a respiration signal from a respiration sensor for detecting breathing of said personnel to which these sensors are fitted; abdominal pressure signal extracting means for subtracting the respiration signal component from the acquired abdominal pressure signal to extract an abdominal pressure signal with suppressed influence of respiration; abnormality determining means for determining whether it is abnormality based on the abdominal pressure signal extracted by the abdominal pressure signal extracting means; and control means for reporting an abnormal situation according to the abnormality determination result by the abnormality determining means. - View Dependent Claims (2, 3, 4, 5, 6, 9)
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7. A digital security method comprising:
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an abdominal pressure signal acquiring step of acquiring an abdominal pressure signal from an abdominal pressure sensor for detecting an abdominal pressure of personnel and of acquiring respiratory information from a respiration sensor for detecting breathing of said personnel to which these sensors are fitted; an abdominal pressure signal extracting step of subtracting the respiration signal component from the acquired abdominal pressure signal to extract an abdominal pressure signal with suppressed influence of respiration; an abnormality determining step of determining whether it is abnormality based on the abdominal pressure signal extracted by the abdominal pressure signal extracting step; and a control step of reporting an abnormal situation according to the abnormality determination result by the abnormality determining step.
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8. (canceled)
Specification