Optics: measuring and testing – Range or remote distance finding – With photodetection
Patent
1984-07-17
1986-07-15
Perkey, William B.
Optics: measuring and testing
Range or remote distance finding
With photodetection
356 28, G03B 3900, G01P 336
Patent
active
046002839
ABSTRACT:
Method and apparatus for automatically controlling aerial photographic cameras. An exact and reliable control device of low electronic and optical cost, which unburdens the operator, is realized by means of two photoreceiver lines positioned parallel to each other and perpendicular to the flight direction. At least the first line is connected to a data memory, which as well as the second line is connected to a correlator. The correlator is connected, via units for calculating the vg/hg ratio and/or the drift, to setting mechanisms of the aerial camera. A third photoreceiver line can also be provided, coupled subsequently to a data memory. The invention is utilizable in photogrammetry.
REFERENCES:
patent: 3997795 (1976-12-01), Pohl et al.
Beck Bernard
Braunschweig Thomas
Gorsch Rainer
Grafe Wolf-Rainer
Grundmann Hans-Jorg
Jenoptik Jena GmbH
Perkey William B.
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