RU95936U1 - SUBSCRIBER BOX - Google Patents

Abstract

 A subscriber set-top box including a DVB module with a VLSI-based digital signal decoding and processing board with the ability to decode an MPEG-2 signal, a DVB-T tuner, analog audio and video interfaces and an infrared receiver from a remote control; a DVB power module equipped with a power cable with a network plug and connected to a DVB module by a power cable loop, with a remote control on a controlled infrared radiation source, characterized in that the DVB module with a VLSI-based decoding and signal processing board is capable of decoding a signal MPEG-2 / MPEG-4, equipped with additional analog audio and video interfaces and a digital audio interface, additionally has a DVB-C tuner for receiving cable television programs, the module full access and a slot for installing a conditional access card to provide the possibility of receiving pay-TV programs, a control panel including an infrared receiver and a sign-synthesizing indicator connected to the DVB module by a cable.

Description

The utility model relates to television devices and can be used to receive television programs of digital terrestrial broadcasting systems.

The closest analogue to the claimed utility model is “DVB-T Digital Set-Top Box” issued by the Ufa Promsvyaz plant based on VLSI, for example, NXP Semicondactors. The prefix includes a DVB module, consisting of a DVB-T decoding and signal processing board with the ability to decode an MPEG-2 signal, a DVB-T tuner, analogue audio and video SCART interfaces and an infrared receiver from a remote control; a DVB power module equipped with a power cable with a network plug and connected to the DVB-T module by a power cable loop, as well as a remote control on a controlled infrared source.

The main functionality of the analogue is the setting (automatic and manual search for programs); updating programs, editing programs - sorting programs, renaming programs, deleting programs, placing programs in the favorites list, switching programs, adjusting sound volume.

A disadvantage of the analogue is that it is not possible to receive digital television broadcasting programs of the DVB-T MPEG-4 standard, which is currently the standard for digital broadcasting adopted in the Russian Federation.

The technical result of the proposed utility model is the ability to receive standard definition programs of digital terrestrial television broadcasting DVB-T MPEG-2 / MPEG-4, digital cable broadcasting programs DVB-C MPEG-2 / MPEG-4, as well as pay-TV programs when installed in the module conditional access cards conditional access.

The technical result is achieved by the fact that in a subscriber set-top box consisting of a DVB module, including a VLSI-based decoding and signal processing board, a DVB-T tuner, analog audio and video interfaces; DVB power module equipped with a power cable with a network plug and connected to the DVB module by a power cable loop, a remote control on a controlled infrared source, according to a utility model, a DVB module with a DVB decoding and signal processing board based on VLSI is capable of decoding an MPEG signal -2 / MPEG-4 and additionally contains a DVB-C tuner for receiving cable television programs, a conditional access module and a slot for installing a conditional access card to ensure possible STI reception of pay-TV programs, in addition to the analog audio and video interfaces, and digital audio interface and control panel includes infrared receiver and znakosinteziruyuschy indicator connected to the mainboard module DVB train.

The device can be implemented as follows. For an example implementation of the device, consider the scheme of the set-top box presented in figure 1.

Positional designations:

1 - DVB module;

2 - tuner DVB-T;

3 - tuner DVB-C;

4 - conditional access module;

5 - slot (for installing a conditional access card);

6 - interfaces (analog audio and video interfaces SCART, RCA and digital S / PDIF interface are not shown separately);

7 - control panel;

8 - photodetector;

9 - sign-synthesizing indicator;

10 - remote control;

11 - power module DVB;

12 - interconnect loop;

13 - coaxial cable jumper;

14 - interconnect power cable;

15 - power cable with mains plug.

The operation of the device.

On one of the device’s inputs, either the antenna input or the cable network input, a cable is connected from the broadcast antenna or from the house cable network (if there are mixed signals from the broadcast antenna in this network, you must connect the output of the DVB-T 2 tuner to the input of the DVB-C tuner 3 using a coaxial cable jumper 13), a VLSI-based DVB module 1, for example, of the company STMicroelectronics decodes, decrypts and converts a digital signal into a low-frequency audio and video signal and outputs it to the corresponding interface 6, to which levizor (not shown in the diagram), all necessary settings and settings are carried out using the buttons on the control panel (not shown), or the remote control 10 using the on-screen interactive menu displayed on the connected TV (not shown). Conditional access module 4 with a conditional access card installed in slot 5 serves to ensure the receipt of paid digital television programs. The DVB 11 power supply module provides the DVB 1 module with all necessary supply voltages. For the work of a set-top box, a single-phase AC 220 V 50 Hz power supply is used.

The source of information:

Operation manual “DVB-T Digital Set-Top Box”, printed by Design Polygraph Service LLC, Ufa, 2007, p.4, 7, 14-25.

Claims (1)

A subscriber set-top box including a DVB module with a VLSI-based digital signal decoding and processing board with the ability to decode an MPEG-2 signal, a DVB-T tuner, analog audio and video interfaces and an infrared receiver from a remote control; a DVB power module equipped with a power cable with a network plug and connected to a DVB module by a power cable loop, with a remote control on a controlled infrared radiation source, characterized in that the DVB module with a VLSI-based decoding and signal processing board is capable of decoding a signal MPEG-2 / MPEG-4, equipped with additional analog audio and video interfaces and a digital audio interface, additionally has a DVB-C tuner for receiving cable television programs, the module full access and a slot for installing a conditional access card to provide the possibility of receiving pay-TV programs, a control panel including an infrared radiation receiver and a sign-synthesizing indicator connected to the DVB module with an on-board cable.