Map displaying device
US8086402B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2011 |
| Grant date | Dec 27, 2011 |
| Priority date | — |
| Expiry date | Apr 18, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B29/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A map displaying device for displaying an accessible range in an arbitrary display form determined in accordance with the scale of a displayed map and/or with the running state of a vehicle is provided. The map displaying device includes: a display unit for displaying map information stored in a map database; a search unit for calculating travel time information regarding a travel time to an arbitrary point accessible from a reference point; and a time information drawing unit for displaying the travel time information in a superimposed manner on the display unit by varying a display form in accordance with the scale of a map and/or with the running state of a user's vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.