| 摘要 |
n accordance with the present invention, a system and method of two-way audiovisual transmission of messages in public transportation means, and in waiting and gathering areas with the use of modern electronic audiovisual technology equipment for the best rendering of the audiovisual messages are disclosed. The system in question accommodates the manipulation of the equipment by spectators interested in the precise information supplied trough printing, the direct transaction with the advertised party and the on-line communication with the data processing centre. The advantage of the invention is the direct transmission of messages from the aforementioned data processing centre to the projection areas, and the direct communication of the interested spectator, who is in position to directly communicate either with the source (the mandator of the advertisment) or with the data processing centre which provides and co-ordinates the messages as the equipment in use pertains to the two-waytransmission type. |
