DATA RECORDING APPARATUS AND DATA RECORDING METHOD
First Claim
1. A data recording apparatus comprising:
- an observed data storage configured to sequentially store a value observed by a sensor in association with an observed time;
an intersection processing unitconfigured to plot each observed value in the observed data storage on a plane coordinate system formed by a time axis and an axis representing a value of the sensor,configured to determine whether or not a line segment connecting between observed values at adjacent times intersects a base line preset on the plane coordinate system andconfigured to calculate an intersection time of the line segment and the base line when the line segment intersects the base line;
an intersection data storage configured to store the intersection time calculated by the intersection processing unit; and
a deleting unit configured to delete observed values subjected to a processing of the intersection processing unit from the observed data storage.
1 Assignment
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Accused Products
Abstract
There is provided with a data recording apparatus including: an observed data storage configured to store values observed by a sensor in association with an observed time; an intersection processing unit configured to plot each observed value in the observed data storage on a plane coordinate system formed by a time axis and an axis representing a value of the sensor, configured to determine whether or not a line segment connecting between observed values at adjacent times intersects a base line preset on the plane coordinate system and configured to calculate an intersection time of the line segment and the base line when the line segment intersects the base line; an intersection data storage configured to store the intersection time calculated by the intersection processing unit; and a deleting unit configured to delete observed values subjected to a processing of the intersection processing unit from the observed data storage.
5 Citations
21 Claims
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1. A data recording apparatus comprising:
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an observed data storage configured to sequentially store a value observed by a sensor in association with an observed time; an intersection processing unit configured to plot each observed value in the observed data storage on a plane coordinate system formed by a time axis and an axis representing a value of the sensor, configured to determine whether or not a line segment connecting between observed values at adjacent times intersects a base line preset on the plane coordinate system and configured to calculate an intersection time of the line segment and the base line when the line segment intersects the base line; an intersection data storage configured to store the intersection time calculated by the intersection processing unit; and a deleting unit configured to delete observed values subjected to a processing of the intersection processing unit from the observed data storage. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A data recording apparatus comprising:
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an observed data storage configured to sequentially store a value observed by a sensor in association with an observed time; a base line/auxiliary line storage configured to store a base line set on a plane coordinate system formed by a time axis and an axis representing a value of the sensor and first and second auxiliary lines provided on opposite sides with respect to the base line along the base line; an intersection processing unit configured to plot each observed value in the observed data storage on the plane coordinate system, configured to determine whether or not a line segment connecting between observed values at adjacent times intersects the first or second auxiliary line, and configured to specify one of two end points of the line segment, that belongs to a base region formed between the first and second auxiliary lines when the line segment intersects the first or second auxiliary line; an intersection data storage configured to store the point specified by the intersection processing unit; and a deleting unit configured to delete observed values subjected to a processing of the intersection processing unit from the observed data storage. - View Dependent Claims (9, 10)
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11. A data recording apparatus, comprising:
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an observed data storage configured to sequentially store data including values observed by a plurality of sensors in association with an observed time; an intersection processing unit configured to plot each data in the observed data storage on a space coordinate system formed by a time axis and axes representing values of the sensors configured to determine whether or not a line segment connecting between each data at adjacent times intersects a base plane preset on the space coordinate system and configured to calculate a intersection point of the line segment and the base plane when the line segment intersects the base plane; an intersection data storage configured to store an intersection point calculated by the intersection processing unit; and a deleting unit configured to delete data subjected to a processing of the intersection processing unit from the observed data storage. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A data recording method comprising:
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sequentially recording a value observed by a sensor in association with an observed time in an observed data storage; plotting each observed value in the observed data storage on a plane coordinate system formed by a time axis and an axis representing a value of the sensor, determining whether or not a line segment connecting between observed values at adjacent times intersects a base line preset on the plane coordinate system and calculating an intersection time of the line segment and the base line when the line segment intersects the base line; recording calculated intersection time in intersection data storage; and deleting observed values subjected to a processing of the determining or the calculating from the observed data storage. - View Dependent Claims (19)
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20. A data recording method comprising:
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sequentially recording a value observed by a sensor in association with an observed time in an observed data storage; setting a base line on a plane coordinate system formed by a time axis and an axis representing a value of the sensor and first and second auxiliary lines on opposite sides with respect to the base line along the base line; plotting each observed value in the observed data storage on the plane coordinate system, determining whether or not a line segment connecting between observed values at adjacent times intersects the first or second auxiliary line, and specifying one of two end points of the line segment, that belongs to a base region formed between the first and second auxiliary lines when the line segment intersects the first or second auxiliary line; recording a specified point in an intersection data storage; and deleting observed values subjected to a processing of the determining or the specifying from the observed data storage.
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21. A data recording method, comprising:
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sequentially recording data including values observed by a plurality of sensors in association with an observed time in an observed data storage; plotting each data in the observed data storage on a space coordinate system formed by a time axis and axes representing values of the sensors determining whether or not a line segment connecting between each data at adjacent times intersects a base plane preset on the space coordinate system and calculating a intersection point of the line segment and the base plane when the line segment intersects the base plane; recording a calculated intersection point in an intersection data storage; and deleting data subjected to a processing of the determining or the calculating from the observed data storage.
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Specification