Method for wireless transmission of information signal involves transmitter installation such that before sending information signal authentication signal is sent, which is recognizable by receiver and differs from disturbing signal

摘要

The method involves the transmitter installation (20) which sends the information signal into the information signal designated area and a receiving unit of the receiving installation receives the signal by intermittently accessing the designated area. Before sending the information signal an authentication signal is sent, which is recognizable by receiver and differs from the disturbing signal. Independent claims are also included for the following: (A) Mobile authorization collection mechanism; (B) Method for operating the transmitter installation; and (C) Transmitter installation.