Operating state management system
US5841964A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 20, 1996 |
| Grant date | Nov 24, 1998 |
| Priority date | — |
| Expiry date | Jun 20, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P90/02
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An operating state management system having database, to collect and totalize the operating states of production equipment and circumstances under which types of trouble occur in the production equipment, creates a record set Q of records in a designated range of times (ta, tb) on the basis of an operating status table in which the state of the production equipment and the time at which there is a change in the state are linked is stored in the data base in advance, and creates a trouble table on the basis of the record set Q (step S61-S73) and totalizes downtime of the production equipment by type of trouble on the basis of the trouble table (step S74).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.