Boots – shoes – and leggings
Patent
1994-09-26
1997-06-03
Heckler, Thomas M.
Boots, shoes, and leggings
G06F 1900
Patent
active
056361289
ABSTRACT:
An apparatus for detecting periodicity in time-series data, which is to be processed, includes a specifying unit for designating positions of coordinates in n-dimensional phase space, which are indicated by incoming time-series data and time-series data of the number n-1 that have been already input, arranged in series with the incoming time-series data; an extraction unit for estimating the frequency of emergence in the positions of the coordinates, by taking into consideration a fluctuation in the time-series data, and extracting at least one characteristic point from the coordinates on the basis of the frequency of emergence; a detection unit for checking whether or not the characteristic point at the start point extracted by the extraction unit conforms to the characteristic point at the end point, and detecting periodicity information about the periodicity formed by every characteristic point extracted by the extraction unit; and an output unit for determining the periodicity in the time-series data on the basis of the thus detected periodicity information.
REFERENCES:
patent: 4559602 (1985-12-01), Bates, Jr.
patent: 5113339 (1992-05-01), Komatsu et al.
patent: 5170359 (1992-12-01), Sax et al.
Murakami Koichi
Nakajima Masako
Sugimoto Miyuki
Fujitsu Limited
Heckler Thomas M.
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