System for assisting hovering aircraft to land on the platform o

Details System for assisting hovering aircraft to land on the platform o System for assisting hovering aircraft to land on the platform o

1989-09-13

1991-02-26

Buczinski, Stephen C.

Optics: measuring and testing

Angle measuring or angular axial alignment

With photodetection remote from measured angle

244 1717, 340946, 356 4, G01B 1126, G01C 100

Patent

active

049957228

ABSTRACT:
The aircraft (1) incorporates means for emitting a conical light beam (14). The vessel (2) incorporates photosensitive cells (6) materializing the outline of the beam on the vessel, which is an ellipse (7). Means determine the equation of the ellipse (17) and, from this, landing data which are displayed on a panel (25).

REFERENCES:
patent: 3671963 (1972-06-01), Assouline et al.
patent: 3721499 (1973-03-01), Narbaits-Jaureguy
patent: 3727055 (1973-04-01), David et al.
patent: 3765770 (1973-10-01), McConnell et al.
patent: 3790276 (1974-02-01), Cook et al.
patent: 3843263 (1974-10-01), Snead
patent: 4209767 (1980-06-01), Flanders
patent: 4291977 (1981-09-01), Erdmann et al.
patent: 4695013 (1987-09-01), Trampnau
patent: 4710620 (1987-12-01), Kunkel
Rev. Sci. Instrum., 57, 1986, Jun., #6, Kato et al.

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