Eltro Gmbh

Horst Vierling

Wolfgang Weigel

Rochus Hien

The method and apparatus for scanning for radiated energy employs a scanning mirror (1) pivoting azimuthally about a vertical scanning axis (2) and capable of being pivoted also about a pivotal axis (3) that makes an angle with the scanning axis. The mirror reflects the incident IR energy onto a vertically disposed field composed on n individual IR detector elements (22) having (n-1) spacings of equal magnitude. The horizontal motion of the mirror takes place in customary manner but the pivotal motion is smaller than the individual detector elements and their separations. Therefore, the same thermal image requires several pivotal processes and, hence, also several mutually parallel horizontal scanning motions, resulting in achieving greater resolution of the image.

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Heidelberg, Germany

Horst Vierling