Digital and synthesized speech alarm system
US4716582A · kind A · utility
52Cited by
36References
4Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 16, 1986 |
| Grant date | Dec 29, 1987 |
| Priority date | — |
| Expiry date | Sep 16, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S379/914
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A portable, self-contained device for monitoring an area and reporting conditions automatically over standard telephone lines is disclosed. The device communicates through a modem in digital code with digital terminals or in synthetic speech when a digital terminal is not used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.