Vehicle locating unit with input voltage protection
US7511606B2 · kind B2 · utility
6Cited by
169References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 2005 |
| Grant date | Mar 31, 2009 |
| Priority date | — |
| Expiry date | Oct 5, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R25/102
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicle locating unit with a receiver for receiving a signal from a network of communication sources, a transponder activated when a communication source sends a message to the receiver, and a power supply regulating circuit for regulating a nominal input voltage and powering the receiver and the transponder. A protection circuit is responsive to an injected input voltage and configured to clamp the injected (high level) input voltage at a predetermined maximum voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.