Optical: systems and elements – Compound lens system – With curved reflective imaging element
Patent
1991-08-16
1992-12-22
Arnold, Bruce Y.
Optical: systems and elements
Compound lens system
With curved reflective imaging element
359366, 359861, G02B 1706, G02B 2306, G02B 508
Patent
active
051738015
ABSTRACT:
An all-reflective three-mirror afocal system has a negative power primary (12), positive power secondary (14), and positive power tertiary (16) mirror which form an afocal reimaging optical system. The system is capable of imaging very wide fields of view at low magnification and may be utilized in pilotage, navigation, driving or the like operations.
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patent: 5063586 (1991-11-01), Jewell et al.
King; "Unobscured Laser-Beam-Expander Pointing System with Tilted Spherical Mirrors"; Applied Optics; Jan. 1974; vol. 13; No. 1 pp. 21-22.
Arnold Bruce Y.
Denson-Low Wanda K.
Grunebach G. S.
Hughes Aircraft Company
Shafer R. D.
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