Vehicle alarm shaker device with spring damper
US4311891A · kind A · utility
33Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 17, 1980 |
| Grant date | Jan 19, 1982 |
| Priority date | — |
| Expiry date | Apr 17, 2000 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H35/142
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A shaker device for automobile alarm systems in which there is a vibratory member for making contact when the vehicle is disturbed and in which the vibratory member is damped by means of a relatively stiff cantilever supported member made out of spring wire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.