Map image display apparatus, map image display program, and map image display method
US7164987B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2003 |
| Grant date | Jan 16, 2007 |
| Priority date | — |
| Expiry date | Jan 9, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/367
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A map image display apparatus for displaying a map image with at least one name for entering a command to change the map image, and switching the displayed map image, when accepting the command with the name designated, to a map image in a vicinity of the designated name. The apparatus includes a defined region storage device which stores information of a name-defined region indicated by the name, a center position thereof, and a display scale enabling displaying substantially the whole name-defined region within one screen; and a display target determination device which determines a map image to be displayed at the display scale with the center position of the name-defined region taken as a display center, referring to the stored information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.