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(11) | EP 0 315 088 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Data transmission device |
(57) A data transmission device comprises memory means for storing a plurality of data
consisting of a plurality of kinds of sorting areas and selectively transmits the
data of the sorting area including a desired data in response to a predetermined command
signal. Accordingly, data of the sorting areas including no desired data may not be
sent. And the central processing unit is connected to each of the electronic cash
registers through one or more communication lines and when the electronic cash register
receives a command signal sent from the central processing unit, the electronic cash
register acts according to the command signal. Accordingly, one or a plurality of
electronic cash registers can be remote controlled by sending a command signal from
the central processing unit. |