System and components useful in landing airborne craft
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 18, 1997
Grant Date -
N/A
app pub date -
Apr 10, 1992
filing date -
Feb 2, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved system is provided suitable for use in landing an aircraft (for example, helicopter, RPV, VTOL) on shipboard comprising a support, base, platform or housing, reciprocal from remote a landing area on the deck of a ship to a position proximate the landing area, the housing carrying an upwardly directed light sensor comprising a lens system and a pair of band-pass filters, one filter before the lens system of the sensor and one after the lens system, the filters each passing the identical wavelength of light at its center but which each need not have the same band width as the other, a pulse detector in close proximity to the upwardly directed light sensor, and means for securing the aircraft to the support, housing, base or platform.
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