G - Physics – 01 – C
Patent
G - Physics
01
C
33/16
G01C 11/28 (2006.01) G01C 11/04 (2006.01)
Patent
CA 1090120
ABSTRACT OF THE DISCLOSURE A device for scanning adjacent profiles in stereo- photographs is particularly used in differential rectification operations including automatical image correlators. Such a device permits when dynamically operated a high scanning speed due to the flying spot raster control employed for scanning. The control is effected by a d.c. tachometer which, connected to a servo-motor for performing advance operations, supplies signals proportional to the scanning direction and scanning speed. Said signal is superimposed to the voltage which deflects the raster generating cathode rays so that one is capable of additionally deflecting the raster in advance direction. The raster control permits an on-line dynamic operation between a differential rectifier and a stereo plotter.
281058
George H. Riches And Associates
Veb Carl Zeiss Jena
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