| 摘要 |
<p>A television broadcast is transmitted with an additional signal indicative of additional information being available on an Internet site. Preferably the additional information is related to a TV program being broadcast. At a receiver station, a control box (16) is provided which is associated with a standard telephone set (26, 28). The telephone set provides standard telephone communication for a user or alternatively can be used to control access to the Internet site with the additional information and to retrieve said information for display on a standard TV set (12) together with the standard program. The telephone set is provided with additional keys with which this control can be achieved.</p> |
