G - Physics – 06 – F
Patent
G - Physics
06
F
354/166
G06F 15/02 (2006.01) G06F 15/00 (2006.01)
Patent
CA 2028139
The invention relates to methods and devices for perform- ing arithmetic operations in the manner and with the function of an electronic calculating machine, in which the digits of the figure are automatically delimited without manual command input both in the case of manual input and in the case of automated input of the digits, and which are employed both independently and also for preprocessing at a connected EDP system. Together with the automated delimitation of digits of the figure, the operation types are assigned to the figures in simplified manner, partially by storing an order and the combination, partially automated and without pressing a key for an operation type. A movement direction during reading-in of the digits by means of a device for charac- ter recognition is assigned a particular operation type, for example the addition is assigned to the read-in direction from left to right, and the subtraction to the direction from right to left. A reading zone of adjustable size or, in the case of fixed reading zone, methods in the processing process as well as the input of a direction for the combination of the individual figures of the set of figures serve for determining the relevant subset from a set of figures present in written form during reading-in with a device for character recognition. A preferred embodiment includes the performance of an addition or re-addition of a column of figures by means of a device for character recognition by combining a single recording movement in vertical direction by means of a horizontally arranged reading zone with a multi- plicative assignment of the operation type of addition, fully automatically or by pressing the addition operation key once.
Gowling Lafleur Henderson Llp
Hauser Walter A.
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