| 摘要 |
It is described an accessory for a scrambled television signal receiver, wherein a television signal is scrambled so that it cannot be received and reproduced in a normal way by customary television signal receivers, but only by receivers provided with a suitable decoder; the main characteristic of the invention consists in the fact that the accessory (AO) which comprises the decoder (DC), can be connected to the receiver (RX) without any modification and that the receiver (RX) is in this way enabled to receive and display normally both normal television signals and said scrambled television signals. <IMAGE> |
