Patent ID: 7658328
Filing Date: 2010-02-09
Classification: G07C,H04W

Abstract:
1. An authorization verification method, comprising: reproduction of authorization data using a user interface of a first electronic reproduction device; comparison of the reproduction of the authorization data using the user interface of the first reproduction device with the reproduction of reference data using a user interface of a second electronic reproduction device; alteration of reproduction attributes during the reproduction of the authorization data using the user interface of the first reproduction device, so that the reproduction of the authorization data changes dynamically; and granting of the authorization when there is a match between the reproduction of the authorization data using the user interface of the first reproduction device and the reproduction of the reference data using the user interface of the second reproduction device, where the match between the reproduction of the authorization data and the reproduction of the reference data is at least in the reproduction attributes, and alterations in the reproduction attributes are time-synchronized.