Device for preventing the theft of motor vehicles
US4852681A · kind A · utility
2Cited by
5References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 6, 1988 |
| Grant date | Aug 1, 1989 |
| Priority date | — |
| Expiry date | Jul 6, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R25/045
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An anti-theft device for motor vehicles which operates by cutting off the electrical supply to the ignition by a relay supplied by a central electronic unit which is connected in series with the "on" contact of the anti-theft steering lock of the vehicle characterized in that the relay is connected to the central unit through at least one transistor and to ground by a switch device which is maintained open while the engine is running.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.