TWO-WAY CATV SYSTEM AND REMOTE CONTROL SYSTEM

摘要

There is provided a method with which the expansion of CATV services and the diversity of subscribers' needs can be dealt with flexibly, it is easier to maintain and expand the apparatus, the system can be operated simply, and the parental control function is also simple. A head end and a subscriber terminal unit have two-way communication means and are connected to each other via a two-way transmission line. The HIB and subscriber remote control units each have two-way communication means. The output of HIB is supplied to various types of apparatuses. The HIB can also exchange data with an expansion unit. To control various types of apparatuses with a remote control unit, the remote control unit communicates with the HIB, receives the necessary data under the control of HIB, and together with HIB, controls various types of apparatuses.