G - Physics – 02 – B
Patent
G - Physics
02
B
88/96.8
G02B 26/10 (2006.01) G02B 26/04 (2006.01) G02B 26/08 (2006.01)
Patent
CA 1247899
METHOD FOR SCANNING TWO FIELDS OF VIEW BY OPTICAL/MECHANICAL MEANS AND ARRANGEMENT EMPLOYING THIS METHOD Abstract The invention relates to a method for scanning two fields of view by optical/mechanical means, in two scanning directions which are disposed essentially at right angles to one another, and for simultaneously dis- playing these fields of view. This method utilizes two optical/mechanical scanners. One of the scanning pro- cesses, in the line direction, is performed rapidly. The other scanning process, in the vertical direction, is performed slowly. Using only one detector or one detector array, this method features a line-scanning efficiency which does not exceed 50% for both fields of view, and a 180-degree phase shift between the line scan- ning processes which are applied to the two fields of view. The arrangement which is utilized for the above- mentioned purpose essentially comprises two scanning de- vices and a mirror-wheel or, as the case may be, a disk possessing reflecting segments and transparent segments, in alternation. The radiation from the two fields of view is directed onto the detector in each case via an op- tical image-forming system.
445775
Menke Josef F.
Zeifang Gunter
Carver & Company
Ego Entwicklungsgesellschaft Fur Optronik M.b.h.
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