Information access control device for e.g. personal computer, has representation unit simultaneously representing levels in master and slave devices, and sharing representation unit to create representation of anticipation level

摘要

The device has a representation unit (11) to represent two levels distinct of a base level in a slave device (SLAV). The representation unit is arranged to simultaneously represent respective levels in a master device (MAST) and the slave device respectively. A sharing representation unit (14) is provided to create representation of anticipation level of order lower than order of a top level. Independent claims are also included for the following: (a) an audiovisual device; (b) a method for controlling access to information in a database; (c) a method for elective distribution of information from database to audiovisual devices; (d) a computer program product comprising program code instructions for execution of steps of access control method; (e) a computer program product comprising program code instructions for operating components of distribution device.