Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent
1989-08-11
1990-10-30
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
244 316, G01J 120, F41G 700
Patent
active
049670654
ABSTRACT:
The electronic simplicity of a rotating-telescope target acquisition device and the noise immunity and wide field of view of a non-rotating array device are combined in an assembly (10) using a rotating refractory telescope (21) on a gimbaled platform (28), and a combination reticle (38) and detector (34) on the same platform (28). The detector (34) is segmented (50) to detect the direction in which a target is substantially off the telescope's optical axis (32), and the detector (34) is also shielded (35) against any radiation coming from outside the optical path of the telescope (21). The reticle (38) also serves as the electrical connection (42,62) between the detector segments (40,50) and the contact pads (44,64) on the detector plate (36).
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Ford Aerospace Corporation
Messinger Michael
Nelms David C.
Radlo Edward J.
Weissenberger Harry G.
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