Communications: electrical – Aircraft alarm or indicating systems – Potential collision with other aircraft
Patent
1995-11-28
1998-02-17
Swarthout, Brent A.
Communications: electrical
Aircraft alarm or indicating systems
Potential collision with other aircraft
340435, 3409322, 340946, 340958, G08G 504
Patent
active
057195684
ABSTRACT:
A device and process are disclosed for indicating clearance requirements of an aircraft maneuvering on a surface such as an apron, taxiway or flight deck. The device has an electromagnetic generation mechanism for generating a high intensity, low diffusing electromagnetic beam, and a projecting mechanism for securing the electromagnetic generation mechanism to the aircraft and projecting the beam toward a projection region. The projection region extends axially and in alignment with the distal end, and from the surface upward. In one embodiment, the electromagnetic generation mechanism is a laser that outputs a laser beam in the visible light spectrum. The beam produces an image upon the surface within the projection region, or upon an obstacle in the aircraft's path. Thus, the pilot can ascertain the clearance requirements by observing the projected images on the runway surface. Any object protruding within the space demarcated by the images represents an obstacle in the aircraft's path, and the pilot can alter course accordingly to avoid it.
REFERENCES:
patent: 2317652 (1943-04-01), Toney
patent: 2522637 (1950-09-01), Pripeton
patent: 3716833 (1973-02-01), Roth
patent: 3749197 (1973-07-01), Deutsch
patent: 3749918 (1973-07-01), Jones
patent: 4066890 (1978-01-01), Hamilton et al.
patent: 4348652 (1982-09-01), Barnes et al.
patent: 4916445 (1990-04-01), Crossley
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