Two directional angle of arrival system

Details Two directional angle of arrival system Two directional angle of arrival system

1985-12-10

1989-02-14

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

126425, 356141, G01J 120

Patent

active

048048321

ABSTRACT:
A compact and efficient two direction of arrival system which is responsive over a large incident solid angle. The system is operative to use relatively few detectors, simple and inexpensive optics in a small assembly, and a very wide field coverage.

REFERENCES:
patent: 4027651 (1977-06-01), Robbins, Jr.
patent: 4349733 (1982-09-01), Beam et al.
patent: 4498768 (1985-02-01), Holl
patent: 4549078 (1985-08-01), Monahan

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