Alarm system for detecting excess temperature in electrical wiring
US6429777B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Mar 15, 1999 |
| Grant date | Aug 6, 2002 |
| Priority date | — |
| Expiry date | Mar 15, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B25/10
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The system includes a sensor for each junction box in the building to be guarded, e.g., the residence, and a display panel showing the temperature of any junction box that is heated above the danger point. Another display panel shows the name of the resident and address of the residence, and the location of the heated junction box by room number and junction box number and the shape of the junction box. A plurality of residences are connected with a central station, such as a fire station, by a single telephone line to each residence. A single processing unit is located in each residence, and a single such unit is located in the central display station. A display panel is located in the central station identical with each display in a residence. The central station is provided with a single processing unit responsive to actuating of any and each of the processing units in the residences, the central station having a modem operable for receiving signals from the processing units in the units and processing them according to the respective processing units in the residences. The system also includes rotating extinguisher heads which rotate towards the source of any dangerous heat an …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.