Airborne arrangement for displaying a moving map
US4138726A · kind A · utility
155Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 1977 |
| Grant date | Feb 6, 1979 |
| Priority date | — |
| Expiry date | Jun 29, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/22
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An airborne arrangement for displaying a moving map and aerial-navigation data such as symbols and characters on an electronic display screen is disclosed. It comprises a video map generator for converting the map to be displayed, carried on a film, into a video signal of the television type, a symbol generator which produces signals of the navigational data to be displayed with random scan, and an oscilloscope provided with switching circuits for consecutively displaying these items in the course of each frame cycle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.