Sheltered housing scheme communications system
US4881252A · kind A · utility
5Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 15, 1988 |
| Grant date | Nov 14, 1989 |
| Priority date | — |
| Expiry date | Jun 15, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B25/08
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A sheltered housing scheme communications system is provided. The system includes a master unit carried by a warden which is able to receive and initiate outside telephone calls. This is accomplished by inserting the master unit into a system cable which controls an auto dialer. The auto dialer is capable of dialing a non-preprogrammed telephone number by operation of the master unit. The master unit also functions to indicate its availability to answer an incoming call to the central control unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.