Optical: systems and elements – Mirror – Plural mirrors or reflecting surfaces
Patent
1997-12-02
1999-09-07
Nguyen, Thong
Optical: systems and elements
Mirror
Plural mirrors or reflecting surfaces
359853, 359854, 359855, 359868, 343837, 343871, 343880, 343881, G02B 510
Patent
active
059495944
ABSTRACT:
A device (28) is transported into space for transmitting information from space to earth. On the device (28) there is disposed a plurality of reflectors (10) to be distributed in a raster or grid configuration on a framework (11). Of these reflectors (10), certain reflectors (10), which are selected as a function of the information to be transmitted, are brought into a position in which they reflect light beams, emanating from the sun, to the earth (26). The respective information becomes visible to an observer on the earth (26) in that the selected reflectors (10) give a sequencing of light points which corresponds to the information to be transmitted. On the other hand, the reflectors (10) which are not needed to the display of the respective information are in a position, relative to the sun, which does not allow these reflectors (10) to be perceived as light points by the observer on the earth (26). Any selectable different information may be sent in this manner, using one and the same device (28), to any selectable information regions (29) on the earth.
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Arens-Fischer Wolfgang
Iglseder Heinrich
Nguyen Thong
Sikd-er Mohammad Y.
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