Optical wide angle sensor head

Details Optical wide angle sensor head Optical wide angle sensor head

1988-10-25

1990-04-03

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

25022729, G01J 120, H01J 516

Patent

active

049142844

ABSTRACT:
An optical wide angle sensor head for directionally sensing optical radiation is made of a plurality of individual sensor optical elements. Each sensor optical element is arranged at an input end of its own fiber optical conductor and has its own light entrance, its own field of view and its own individual optical axis. Neighboring fields of view may overlap each other. The fiber optical conductors lead to a transducer for converting the individual light signals into respective electrical signals. The individual sensor optical elements are arranged on a common mounting member in a housing so that the individual optical axes pass through a common intersection in front of said light entrances. The mounting member is a flat plate or a concave plate having a concave curvature facing in the viewing direction, whereby a spherical mounting is avoided.

REFERENCES:
patent: 3897151 (1975-07-01), Lecroy
patent: 4397559 (1983-08-01), Gatewood
patent: 4447718 (1984-05-01), Mori
patent: 4491727 (1985-01-01), Appelbaum et al.
patent: 4634272 (1987-01-01), Endo
patent: 4693602 (1987-09-01), Wyatt et al.
patent: 4729621 (1988-03-01), Edelman
patent: 4798444 (1989-01-01), McLean

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