Traffic information system
US5699056A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 28, 1995 |
| Grant date | Dec 16, 1997 |
| Priority date | — |
| Expiry date | Dec 28, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/096827
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed is a traffic information system high in the ability to collect information. An on-vehicle apparatus is carried on a vehicle, to collect traffic information such as traffic jam information, accident information and weather information. The on-vehicle apparatus comprises a car navigation system, where position information is sensed, and information relating to a traffic jam, an accident and weather are manually entered or are automatically sensed. The on-vehicle apparatus further comprises a laser radar, where the number of vehicles, the speeds of vehicles, and the shapes of vehicles are sensed, and traffic jam information and accident information are created based thereon. Various information collected by the vehicle are transmitted to a center via a repeater. Information processed by the center are transmitted to vehicles again.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.