Aircraft landing light alignment system

Details Aircraft landing light alignment system Aircraft landing light alignment system

1982-04-01

1989-02-14

Buczinski, Stephen C.

Optics: measuring and testing

Angle measuring or angular axial alignment

With photodetection remote from measured angle

33288, 33335, 356153, 356400, 356121, G01B 1126, G01B 524

Patent

active

048042650

ABSTRACT:
A system for aircraft landing light alignment which includes a target of photocells distributed in a cross-like manner with a single photo detector centered about the common point of the cross-like distribution. A signal processing circuit coupled to the output of the target includes electronic readout devices distributed in a cross-like manner for indicating which way the beams should be directed to provide correct light adjustment. The aircraft landing light alignment system includes signal processing of photo detector derived signals which measures only the outer fringes of the Gaussian beam distribution.

REFERENCES:
patent: 2308095 (1943-01-01), Meeder
patent: 3435232 (1969-03-01), Sorensen
patent: 3551057 (1970-12-01), Hamilton et al.
patent: 3778168 (1973-12-01), Willner
patent: 3790276 (1974-02-01), Cook et al.
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patent: 3907435 (1975-09-01), Roodvoets
patent: 4023908 (1977-05-01), Johnson et al.
patent: 4092071 (1978-05-01), Puyplat
patent: 4120589 (1978-10-01), Mima et al.
patent: 4295740 (1981-10-01), Sturges

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