Abstract: An apparatus for capture of image data from an object has a detector array containing at least one detector row, and arrangements for rotating the detector array relative to the object, as well as for moving the object and the detector array relative to one another in a desired direction of scan. A control arrangement causes the detector array to be rotated to a desired orientation with respect to the object based on information in the object and causes the object to be scanned by the detector array in such a way that the detector row is at right angles to the direction of scan. A similar method is also provided.

Abstract: The invention is directed to a shutter wherein the rotary discs thereof are accelerated out of a standstill start position for each exposure operation and are again brought to standstill at the end of the exposure operation. The start position is computed such that a constant access time results for all exposure times. An electronic control circuit for the shutter includes a position-control circuit and a speed-control circuit. During each exposure operation, the drive for the rotary discs of the shutter are switched between the two control loops.