Positioning control device
US4405204A · kind A · utility
2Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 11, 1981 |
| Grant date | Sep 20, 1983 |
| Priority date | — |
| Expiry date | Mar 11, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G5/51
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Apparatus for guiding aircraft to predetermined parking locations, comprising an optical assembly centered on a reference point, and adapted to provide the pilot in the moving aircraft with two images of a reference point located on the aircraft. When the two images are superimposed, the aircraft has reached the desired location.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.