Portable combination lamp, smoke detector and power failure alarm
US4419658A · kind A · utility
66Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1981 |
| Grant date | Dec 6, 1983 |
| Priority date | — |
| Expiry date | Apr 1, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B17/113
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A portable protection device is shown for use in sounding a warning in the event of smoke or power failure and to supply a portable high intensity lamp when needed. The unit is enclosed in a small, light weight portable housing and includes a smoke alarm, a high intensity lamp and a power failure alarm all operable from an AC line source or from a self contained DC battery source. The device is useful for travelers at hotels, students at dormitories, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.