Moving map display
US4825381A · kind A · utility
27Cited by
23References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1987 |
| Grant date | Apr 25, 1989 |
| Priority date | — |
| Expiry date | Mar 31, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B29/007
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A multichannel moving map display having a first channel for processing of background geographical data and inputting said process data into a display memory for scanning by a display and a second channel for generating cultural features and storing the same in a second display memory for scanning by the display. A dual bank display memory concept is disclosed for both the first and second display memories.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.