| 摘要 |
The present invention relates to a Device for accessing to CATV distribution signals, making part of a distribution system of CATV signal, which comprises one head end (4), a distribution network (1), local points of access (6), a plug (9) and a TV set receptor. The said device comprises reading and control means (2), pre-paid validation means recognized by CATV network operators, and filter means (3), the reading and control means (2) making the reading of the pre-paid validation means recognized by the CATV operators (10), the recognition of the pre-paid validation means recognized by CATV network operators (10) and the discount of the credits (impulses) and the sending of commands to those filter means (3) that make a security recognition of commands and send the CATV signal to the TV set, this being made according to the features of the pre-paid validation means recognized by the CATV network operators (10) and because the communications for access control of the signal distributed through the CATV network (1) are limited to the connection between the reading and control means (2) and the filter means (3). |
