Article orientation by sensing beam arrival times at plural dete

Details Article orientation by sensing beam arrival times at plural dete Article orientation by sensing beam arrival times at plural dete

1988-10-06

1990-03-20

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356152, G01N 2186

Patent

active

049104101

ABSTRACT:
A technique for providing roll orientation information for a course corrected projectile in which the projectile is provided with three off-axis detectors subjected to a scanning laser beam. The time which elapses between the laser beam travelling from one detector to another is all that is required to calculate the roll orientation of the projectile.

REFERENCES:
patent: 3709276 (1974-02-01), Cook et al.
patent: 4020339 (1977-04-01), Gustafson
patent: 4287412 (1981-09-01), Couderc et al.
patent: 4406949 (1983-09-01), Spohnheimer
patent: 4524280 (1985-06-01), Ishikawa
patent: 4626100 (1986-12-01), Johnson
patent: 4627724 (1986-12-01), Cameron

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