Image display
US7539572B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2002 |
| Grant date | May 26, 2009 |
| Priority date | — |
| Expiry date | Oct 18, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/3682
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An image display whereby one can extremely easily know the current position of one's own vehicle and also grasp the actual situation around the current position of the vehicle, and with which the user gets highly satisfied. The image display includes a display device to display a photo picture on a prescribed reduced scale which is prepared based on photo data on a first scale that is read from a storage device in which photo data of two or more types in different scales to one area is stored, and a display switching device to conduct display switching according to a user's command to a photo picture on another reduced scale which is prepared based on photo data in a second scale that is different from the first scale.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.