Geometrical instruments – Straight-line light ray type – Process
Patent
1997-11-13
2000-01-18
Fulton, Christopher W.
Geometrical instruments
Straight-line light ray type
Process
33286, G01C 2500, G01C 1500
Patent
active
060148144
ABSTRACT:
The present invention relates to a method and tool for determining on a vehicle (V), especially an aircraft, the harmonization error of an on board equipment item (1) with respect to a vehicle reference frame (Rv). According to the invention, the tool comprises an element (4) representing the vehicle reference frame (Rv), an element (5) arranged at the site of the equipment item and representing said equipment item (1), a theodolite (6) taking measurements on said elements (4, 5), directly or through a prism system (7), an inclination meter (8) measuring the pitching on the second element (5) and a calculator (9) determining the harmonization error from said measurements.
REFERENCES:
patent: 3990796 (1976-11-01), Foltz, Jr.
patent: 4483080 (1984-11-01), Knoll
patent: 4483618 (1984-11-01), Hamar
patent: 4845856 (1989-07-01), Rochette
patent: 5007175 (1991-04-01), Schwarz
French Search Report dated Jul. 23, 1997, 3 pages.
Cessi Jean-Louis
Imbert Daniel Henri Adrien
Eurocopter
Fulton Christopher W.
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