Patent ID: 7336279
Filing Date: 2008-02-26
Classification: G06F

Abstract:
1. A time-series data display method for displaying accumulated time-series data items, comprising the steps of: displaying a plurality of rings in a nested form in a display screen, each ring representing a respective predetermined time/date and having data items along its circumference, wherein data items along an inner ring are displayed smaller, while data items along an outer ring are displayed larger; displaying first data items associated with a first time in which said first data items have been picked up, in a first size and along a first ring of the plurality of rings; and displaying second data items associated with a second time that is different from the first time and that is the time at which the second data items have been picked up, in a second size different from the first size and along a second ring of the plurality of rings, so that a difference of size between the first and second sizes corresponds to a temporal direction between the first time and the second time, wherein when zoom-in operation is instructed, sizes of every ring and of every data item are enlarged, a new ring associated with a new time and data items along the new ring are displayed in a center area of the plurality of rings and an outermost ring and data items along the outermost ring are deleted from the display screen, and when zoom-out operation is instructed, sizes of every ring and of every data item are reduced, an innermost ring and data items along the innermost ring are deleted from a display screen and a new ring associated with a new time and data items along the new ring are displayed in an area outside of the plurality of rings.