Apparatus for handling a traffic message
US6453230B1 · kind B1 · utility
36Cited by
23References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 23, 1998 |
| Grant date | Sep 17, 2002 |
| Priority date | — |
| Expiry date | Nov 23, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/093
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A geographical region is divided into a number of areas according to a pre-defined standard. The apparatus filters received traffic messages and only those that relate to a particular one of the defined areas are passed on for processing. According to the invention, an area of interest is specified by expanding the particular defined area in at least one direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.