Remote monitoring system state machine and method
US4622538A · kind A · utility
63Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 1984 |
| Grant date | Nov 11, 1986 |
| Priority date | — |
| Expiry date | Jul 18, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B5/0037
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A plurality of different types of operating systems in buildings organized in geographical groups, each group having a local service office, are monitored at both the local offices and central office for the presence of performance conditions and conditions indicative of an alarm condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.