Sales goods and procedures for examining an authorisation to retrieve electronically supplied content by reading an information medium of a sales goods

摘要

The invention concerns a sales item (1; 1a),which has a means of information which can be read by a reader (2; 2a) on which different conditions of sale are stored. Where appropriate, damage to the media (2; 2a) results in irreversible changes in the condition of the goods sold (1; 1a). It is advantageous to provide reliable protection against unauthorised retrieval of the contents. In addition, the invention concerns a procedure for examining a right to retrieve electronically supplied content by reading an information medium (2; 2a) of a merchandise (1; 1a).