Personal alarm
US4262285A · kind A · utility
5Cited by
1References
3Claims
0Family size
Inventor
Key dates
| Filing date | Mar 17, 1980 |
| Grant date | Apr 14, 1981 |
| Priority date | — |
| Expiry date | Mar 17, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B15/004
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A personal alarm device which provides for both intermittent actuation of a personal alarm as well as irreversible actuation of such alarm by the provision of multiple actuation modes including a positive displacement device which is lever and spring controlled to move a pin within the device out of restraining engagement with an alarm actuator mechanism in a manner which will prevent deactivation of the alarm by return of the pin to its previous position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.