Precision approach path indicator systems and light assemblies useful in same
US7375653B2 · kind B2 · utility
3Cited by
11References
43Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 22, 2005 |
| Grant date | May 20, 2008 |
| Priority date | — |
| Expiry date | Mar 25, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64F1/20
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Precision approach path indicator systems (PAPIs) effective in providing approach slope guidance for aircraft approaching an airport runway are provided. Such PAPIs include a plurality of light assemblies positioned on or in proximity to an airport runway and structured or configured to be effective in providing approach slope guidance light signals to a pilot of an aircraft approaching a runway. Each light assembly includes a light source comprising light emitting diodes (LEDs), preferably a first array of LEDs and a second array of LEDs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.