Title:
DEVICE, PROGRAM AND SERVER FOR DETERMINING FEELING OF SPATIAL ABSENCE OF PERSON OR ANIMAL
Document Type and Number:
Japanese Patent JP2017091189
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a device etc., for determining a feeling of spatial absence of a person or animal from fluctuations in a space even in a room of relatively low airtightness to the exterior.SOLUTION: A device has: atmospheric pressure difference value calculating means which has an atmospheric pressure sensor and a temperature/humidity (atmospheric temperature and/or humidity) sensor and calculates an atmospheric pressure difference value as a difference value of atmospheric pressure varying with time; reference temperature/humidity acquiring means of acquiring reference temperature/humidity of the exterior from an external device; temperature/humidity correlation value calculating means of calculating a correlation value between measured temperature/humidity and reference temperature/humidity; and absence feeling determining means of determining that spatial presence of a person or animal is felt when the absolute value of the atmospheric pressure difference value is equal to or lower than a first predetermined condition and the correlation value is equal to or larger than a second predetermined condition. The atmospheric pressure difference value is calculated using a difference method based upon, for example, an (n)th-story center difference method or edge extraction filter method. The correlation value is calculated using a time-series cross correlation function associated with, for example, the temperature/humidity and reference temperature/humidity.SELECTED DRAWING: Figure 3
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Inventors:
IZUMIKAWA HARUNORI
HANANO HIROSHI
HANANO HIROSHI
Application Number:
JP2015220077A
Publication Date:
May 25, 2017
Filing Date:
November 10, 2015
Export Citation:
Assignee:
KDDI CORP
International Classes:
G08B25/04; G08B21/04
Domestic Patent References:
| JP2002042281A | 2002-02-08 | |||
| JPH10302170A | 1998-11-13 | |||
| JPH05151470A | 1993-06-18 | |||
| JPH02144688A | 1990-06-04 | |||
| JPH0989661A | 1997-04-04 | |||
| JP2015158476A | 2015-09-03 | |||
| JP2005216095A | 2005-08-11 |
Attorney, Agent or Firm:
Shigeki Hayahara
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