| 摘要 |
A method of informing television viewers about the key code, through a television screen, to be used in a telecommunication network to contact a selected group of the viewers with a broadcasting side, which has got an established game plan, characterised in that the key code (1) is generated and it contains a collection of descriptive elements, randomly selected from a predetermined number of different key codes with the use of key code generator (4), these key code (1) elements are transmitted successively to the screen of the each television set (16) in form of a collection of selected time blocks (I, II, III, IV, V) between the beginning and the end of the television broadcast, which is at least one television programme and a commercial, whereby at least one part of the time unit (3) and the position of this time unit (3) within the time block (I, II, III, IV, V) is randomly selected and access to the game plan for selected viewers is established on the basis of the predetermined number of viewers, who are the first in line to make contact with the game plan using the key code (1). |
