Programmable personal alarm
US5254970A · kind A · utility
5Cited by
6References
2Claims
0Family size
Inventor
Key dates
| Filing date | Aug 22, 1990 |
| Grant date | Oct 19, 1993 |
| Priority date | — |
| Expiry date | Aug 22, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B21/0297
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A personal alarm device having programmable deactivating, apparatus. The device includes a keypad by which a personal numerical code can be entered. This code is the only manner by which the alarm of the device can be shut off once activated. The code can be changed only by a user knowing the previously-entered deactivation code.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.