| 摘要 |
The invention relates to an apparatus, a system and a method for displaying images onto a screen. The apparatus can be used to display images onto the screen (4) for displaying programmes and/or messages and/or additional images which temporarily replace and/or are combined with programmes and /or messages and/or main images which are generally reproduced onto the screen (4), that is to say received by any signal transmission means and selected by the television set by means of a television tuner (2); the apparatus comprises a local processing unit (5) which detects the tuner protocols (2) to verify the configuration assumed by the television set, that is the relative instantaneous tuning of the TV set itself, in order to send corresponding signals (S1) to a remote unit (1), connected to the local unit (5) by means of a bi~ directional signal transmission channel; the remote unit (1), on the basis of the signals (S1) received from the local unit (5), sends second signals (S2) to the local unit itself for commanding the beginning and the end of the display of additional programmes and/or messages and/or images onto the screen (4).
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