Title:
【発明の名称】履歴情報検索装置
Document Type and Number:
Japanese Patent JP2860063
Kind Code:
B2
Abstract:
PURPOSE: To easily retrieve/extract required data by time-continuously restoring data in a file managing the data on each data generation date based upon its generation date. CONSTITUTION: A filing means 1 files data on each data generation date generating the data and a data restoring means 2 restores the data time-continuously in accordance with the data generation date filed in a history file. A data extracting means 3 extracts data on an optional date from the history data restored by the means 2 and a period calculating means 4 calculates the holding time of the history data restored by the means 2. Since data can be retrieved and extracted on an optional date, data can be extracted under various retrieving conditions and necessary data can easily be retrieved and extracted.
Inventors:
SATO YASUYUKI
Application Number:
JP27122694A
Publication Date:
February 24, 1999
Filing Date:
November 04, 1994
Export Citation:
Assignee:
FUJITSU KK
International Classes:
G06F17/30; G06Q10/00; G06Q10/06; G06Q50/00; (IPC1-7): G06F17/60; G06F17/30
Domestic Patent References:
| JP3103973A | ||||
| JP6247310A | ||||
| JP59117660A | ||||
| JP8129588A | ||||
| JP7325859A | ||||
| JP728906A |
Attorney, Agent or Firm:
Tadahiko Ito