Map display device and navigation device
US9043137B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2010 |
| Grant date | May 26, 2015 |
| Priority date | — |
| Expiry date | May 9, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B29/106
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
According to a map display device, from current location information acquired by a current location acquiring unit 6 and boundary coordinate information in time zone information acquired by a time zone information acquiring unit 22, it is determined whether or not a vehicle 9 is located within a set area which is provided in the range of a predetermined distance from a boundary of a time zone to which a current location of the vehicle 9 belongs, and if it is determined that the vehicle 9 is located within the set area, a display unit 3 displays distinctively the time zone to which the current location of the vehicle 9 belongs and a time zone which is adjacent to the corresponding time zone through the set area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.