Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1987-07-09
1991-03-12
Moskowitz, Nelson
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250233, 350 63, 350 69, G01V 120, G02B 2717
Patent
active
049994913
ABSTRACT:
An optical seeker comprises a rotor (16) mounted on a bearing sleeve (42) to pivot about a pivot point (26) and to rotate about an axis of rotation (28). The rotor (16) carries an imaging system having a concave mirror (50) and a secondary mirror (52). The optical axis of concave mirror (50) and secondary mirror (52) form an angle with the axis of rotation (28). A sunshade (54) is connected to the rotor (16). The bearing sleeve (42) carries an optical element (56). An axle portion (58) is provided on the element (56), on which axle portion the secondary mirror (52) is mounted. The secondary mirror (52) is connected to the sunshade (54) through a stepping-up planetary gear having internal toothing (72), planet wheel (76) and external toothing (78). The planet wheel (76) is mounted on a carrier (74) connected with the axle portion (58).
REFERENCES:
patent: 4009393 (1977-02-01), Ashley et al.
patent: 4030807 (1977-06-01), Briney
patent: 4039246 (1977-08-01), Voigt
patent: 4329579 (1982-05-01), Jansen et al.
patent: 4413177 (1983-11-01), Godwin et al.
patent: 4427878 (1984-01-01), Buchtel et al.
patent: 4639589 (1987-01-01), Weber et al.
patent: 4717823 (1988-01-01), Stermel et al.
Semler Gerd
Wilhelm Gerd
Bodenseewerk Geratetchnik GmbH
Moskowitz Nelson
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