Image pickup system comprising a memory of a small capacity

Abstract From the Canadian patent

In an image pickup system which is used on a craft flying over an object zone and comprises a first (photoelectric) transducer (21) for producing a first partial (electric) signal representative of a partial image of a partial zone lying forwardly of the craft flying at a first position and a second transducer (22) for producing a second partial signal representative of another partial image of the partial zone lying directly under the craft flying, an interval of time later at a, second position spaced from the first position by a distance between two partial zones picked up by the first and the second transducers when the craft is at the first position, a compression unit (90 ) compresses …