Multi-operation mode type of security-ensuring apparatus
US4514721A · kind A · utility
1Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 1983 |
| Grant date | Apr 30, 1985 |
| Priority date | — |
| Expiry date | Jun 29, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B23/00
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A security-ensuring apparatus capable of operating in an unmanned security-ensuring operation mode, a manned security-ensuring operation mode, or a management operation mode having at least a maintenance mode or a patrol mode, the apparatus having an operation mode-switching unit, an emergency-detecting unit for detecting an emergency or abnormality which has occurred in a predetermined area, and a control unit for permitting transmission of an emergency or abnormality signal to a central monitoring station on the basis of discrimination of the current operation mode of the apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.