| Patent Number |
Title Of Patent |
Date Issued |
| 5596706 |
Highly reliable online system |
January 21, 1997 |
| A highly reliable online system is disclosed which is provided with a backup computer center (sub-online system) in addition with an original computer center (main online system) in order to improve the reliability of the online system. With respect to the database, the main online syste |
| 5379418 |
Highly reliable online system |
January 3, 1995 |
| A highly reliable online system is disclosed which is provided with a backup computer center (sub-online system) in addition with an original computer center (main online system) in order to improve the reliability of the online system. With respect to the database, the main online syste |
| 5307481 |
Highly reliable online system |
April 26, 1994 |
| A highly reliable online system is disclosed which is provided with a backup computer center (sub-online system) in addition with an original computer center (main online system) in order to improve the reliability of the online system. With respect to the database, the main online syste |
