Patent ID: 6023498
Filing Date: 2000-02-08
Classification: H04L

Abstract:
A data communication method, for which, by means of data acquisition equipment, informational data is acquired by a sender user and, provided with the appropriate address data, made available to an authorized recipient user in a host computer for output of the data, a comparison being made between the identification data and the address data for the purpose of establishing authorization, during a configuration preceding the data configuration, a portable data carrier being provided with data carrier-specific and/or user-specific identification data, which is used at least by the recipient user in such a manner, that this identification is read from the data carrier to determine authorization and, in the event that there is agreement, at least one receiving signal is put out to the recipient user in order to characterize the informational data present, characterized in that a chip card with a read and write nv memory and a ROM memory are used as data carrier, that during the configuration at least the data carrier-specific identification data is stored so that it cannot be changed.