Driver information system
US6812888B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2003 |
| Grant date | Nov 2, 2004 |
| Priority date | — |
| Expiry date | Nov 12, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/0969
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An information system for providing services including traffic and navigation services, as well as other information services to a driver. One versions of the system makes use of existing components of a wireless telephone system, for example, by using the input and output capabilities of a telephone handset. Another version is a portable system that includes multiple switches for initiating access to a remote server in one of a number of operating modes. For instance the system has switches for initiating traffic information, roadside assistance, personal information, or emergency modes. The system includes a positioning system for generating position data related to a geographic location of the system, and a wireless communication device. The system also includes an audio output device, such as a speaker for presenting the received information. The system can also include a storage for a unique identification of the information system. This identification is passed to the remote server through the wireless communication device. Another version of the system provides both autonomous and client-server based navigation services in which a removable database supports route planning i…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.