Photogrammetric apparatus

Details Photogrammetric apparatus Photogrammetric apparatus

G - Physics

01

C

33/15

G01C 11/00 (2006.01) G01C 11/06 (2006.01)

Patent

CA 1120706

PHOTOGRAMMETRIC APPARATUS ABSTRACT OF THE DISCLOSURE An apparatus for use in photogrammetry and having two spaced- apart parallel scanning zones to which the photographs of a stereoscopic pair of photographs are mounted. A carriage mounted optical scanning system is provided for scanning the two scanning zones and for projecting images of the respective zones to a binocular viewing system, and a secondary optical system is provided, preferably on the carriage, for superimposing reference marks on the projected images. The scanning system is arranged whereby simultaneous scanning of the two scanning zones can be effected in a first direction parallel to the scanning zones, and whereby independent scanning of the two scanning zones can be effected in a second direction which is parallel to the scanning zones and orthogonal to the first direction. Also, means are provided to permit relative scanning of the two scanning zones in the first direction or for optically moving the reference marks relative to one another in the first direction.

342106

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