IT1226650B - Concave mirror with variable focal length
- Google Patents
Concave mirror with variable focal length
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Publication number
IT1226650B
IT1226650BIT8809018AIT901888AIT1226650BIT 1226650 BIT1226650 BIT 1226650BIT 8809018 AIT8809018 AIT 8809018AIT 901888 AIT901888 AIT 901888AIT 1226650 BIT1226650 BIT 1226650B
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Application filed by Giorgio NanettifiledCriticalGiorgio Nanetti
Priority to IT8809018ApriorityCriticalpatent/IT1226650B/en
Publication of IT8809018A0publicationCriticalpatent/IT8809018A0/en
Application grantedgrantedCritical
Publication of IT1226650BpublicationCriticalpatent/IT1226650B/en
Field of application: ecology, atmospheric purification. Used to focus solar rays at altitudes between eight thousand to twelve thousand metres, between the ozone layers, and above for complete combustion of C.F.C. chlorofluorocarbons. It can also be used at lower altitudes for complete combustion of other harmful gases suspended in the atmosphere.<IMAGE>
IT8809018A1988-10-281988-10-28Concave mirror with variable focal length
IT1226650B
(en)
ELECTRONIC CORRECTOR OF CURVATURE DEFECTS ON THE IMAGE, FOR TELESCOPES EQUIPPED WITH LIGHTWEIGHT LARGE DIAMETER REFLECTING ELEMENTS, TO ALSO BE USED IN ORBIT.