KR0183146B1 - Network connection method and apparatus of digital receiver - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention relates to a network connection method and circuit in a digital receiver, and more particularly, to a network connection method and apparatus in a digital receiver that enables a simple replacement of only some modules to use the other broadcast media.

2. The technical problem to be solved by the invention

Provides a method and apparatus that allows a user to use another broadcasting medium by simply replacing some modules in a previously purchased receiver.

3. Summary of Solution to Invention

In the network connection method of a digital receiver having a network connection unit and a decoder,

A first step of allowing the decoder to control the network connection control right when the function is set to enable the network connection of the network connection on the memory of the decoder, and the network connection of the network connection in the first step The second process of passing the control function of the network connection unit to the decoder and setting the decoder to be able to connect the network connection unit when it is set to impossible; and from the execution of the first and second processes, the decoder is a CATV connection or a satellite broadcasting network. The third step of checking whether the connection and the transfer or download command to all control rights of the network connection, and the basic process to the network connection of the network connection when downloading in the third process, but only the simple channel connection for satellite connection and CATV B. In case of VOD, the fourth process of exchanging basic data for downloading and the download end command during the fourth process are performed. Network connection method in the digital receiver, characterized by constituted by any of claim 5 to turn over the course of all the control portion in the decoder.

4. Important uses of the invention

Method and apparatus for network connection of digital receiver.

Description

Network connection method and apparatus in digital receiver

1 is a block diagram of a digital receiver according to the present invention.

2 is a concrete circuit diagram of the network connection unit 101 of FIG.

3 is a peripheral pin connection arrangement diagram of the network connection unit 101 of FIG.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a network connection method and circuit in a digital receiver, and more particularly, to a network connection method and apparatus in a digital receiver that enables a simple replacement of some modules to the digital receiver so that other broadcasting media can be used.

Receivers such as satellite broadcasting receivers, CATV receivers, and VOD terminals have many parts in common, and hardware and control programs that connect to a network are different. If you have a satellite receiver in your home but want to change from watching TV to CATV, you will need to purchase a new receiver. And if you do not watch satellite broadcasts previously purchased receiver will be useless.

Accordingly, an object of the present invention is to provide a method and apparatus for allowing a different receiver to use a different broadcast medium by simply replacing some modules with a previously purchased receiver.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a structural diagram of a digital receiver according to the present invention, wherein the digital receiver includes a network connection unit 101 and a decoder 100, and the network connection unit 101 exchanges control data for exchanging control data with the decoder 100. CPU 111 for transmitting control data through the device 112 and the control data exchange device 112, receiving control data transmitted from the decoder, and generating a control signal, and control generated by the CPU 111. The control unit 113 generates transport stream data by means of a signal.

The decoder 100 is connected to the transport port stream decoder 105 for analyzing the transport stream data output from the control device 113, and the audio and video to be demodulated by control and separates by control. A central processing unit 102 that controls the entirety of the decoder 100, a program memory 103 storing a program according to data decoding processing in the central processing unit 102, and the central processing unit 102 And an audio decoder 104 for decoding the output audio data, and a video decoder 106 for decoding the video data output from the central processing unit 102.

A detailed connection relationship between the network connection unit 101 and the decoder 100 is shown in FIG. 3.

Therefore, a specific embodiment of the present invention will be described in detail with reference to FIGS. 1 to 3, and the decoder 100 is output in the form of a transport port stream of MPEG2 to interpret the transport stream in the transport port stream decoder 105. The video data output from the central processing unit 102 is transmitted to the video decoder 106, the audio data is transmitted to the audio decoder 104, and each of the video and audio decoders 104 and 106 decodes the corresponding data. Audio and video output.

The network connection unit 101 supports communication between the CPU 111 in the network connection unit 101 and the CPU 102 in the decoder 100 in the data exchange unit 112, and the control unit 113 controls the hardware. A device for selecting a CPU to be selected, and a signal for controlling CPU selection is input by the network connection unit 101 and the CPU 111.

The specification of the network connection unit 101 is a signal for transmitting MPEG data to the transport port stream decoder 105 such that an 8-bit data line, a strobe clock, a strobe enable, and the like are used. In addition, a general CPU interface signal is required for communication with the network connection unit 101 and the CPU 111 and a hardware control signal from an external CPU, and an 8-bit data line, an address line, a control signal, and the like are required. Control signals include a module select (MS), a read / write (R / W), an address strobe (AS), a data strobe (DS), and the like. UART can be used as auxiliary.

After the power is input, the initialization supports the network connection unit 101 in which a program is installed in the current decoder program memory 103 through communication between the CPU 111 in the network connection unit 101 and the CPU 102 in the decoder 100. If the installed program can support the currently connected network connection unit 101, all control of the network connection unit 101 can be controlled by the CPU 103 in the decoder 100. The CPU 111 in 101 passes the control right and proceeds with the program execution.

If the installed program cannot support the currently connected network connection unit 101, the CPU 111 of the network connection unit 101 performs a basic operation so that the network connection unit 101 is connected to the network, and then the program. A procedure necessary for a download process is performed to transfer all the control of the network connection unit 101 from the CPU 111 in the network connection unit 101 to the CPU 102 in the decoder 100. According to the above process, the CPU 102 in the decoder 100 replaces the existing program with the program input through the network connection unit 101 and executes the program in the program memory 103. To this end, the network connection unit 101 has a common connection standard of FIG. 3, and the network connection unit 101 includes the components shown in FIG.

In order to support such an initial process, the CPU 111 of the network connection unit 101 should perform the following function, and for this, there may be hardware support of various methods of the network connection unit 101. When power is supplied, the CPU 101 of the network connection unit 101 reveals its substance to the CPU 102 of the decoder 100. For example, it may be determined whether a CATV network connection or a satellite broadcasting network connection is established. The CPU 102 in the decoder 100 is instructed as to whether all control over the hardware of the network connection 101 should be transferred or prepared for program download. Upon receipt of all control transfer commands, the CPU 111 of the network connection unit 101 transfers all the control to the CPU 102 of the decoder 100. When the preparation for download is necessary, the hardware of the network connection unit 101 is controlled to receive the download, thereby performing basic access to the network. In the case of satellite connection, only simple channel connection is performed, but in case of CATV or VOD, basic data exchange is performed for downloading, and when the download data is input to the network connection unit 101, the data is transmitted to the network connection unit 101. The signal is transmitted to the decoder 100 through the standard.

The above process is repeated until the download end command is received from the CPU 102 of the decoder 100, and after receiving the end command, the CPU 111 of the network connection unit 101 controls all the control of the network connection unit 101. The process of transferring to the CPU 102 of the decoder 100 is performed.

As described above, there is an advantage that other broadcast media can be used by simply replacing some modules in the instrument receiver.

Claims (3)

In a network connection method of a digital receiver having a network connection unit having a CPU and a decoder having a CPU, the network currently installed on the decoder program memory through communication between the CPU in the network connection unit and the CPU in the decoder. The first step of checking whether or not the connection part can be supported, and if the network connection part currently connected in the first step is not accessible by the program in the decoder, the network connection part performs basic operations of the network connection part in the CPU. After connecting to the additional network, the second process of executing the necessary procedures according to the downloading, and the execution of the first and second processes, the decoder checks whether the CATV connection or satellite broadcasting network connection and transfers to all control rights of the network connection unit. Alternatively, a third process of receiving a command for downloading and a basic connection to the network of the network access unit at the time of downloading in the third process may be performed. In the fourth process of performing simple channel access only and exchanging basic data for downloading in case of CATV or VOD, and receiving the download end instruction from the CPU of the decoder during the fourth process, all control of the network connection unit is controlled. The CPU in the network access unit controls the CPU in the decoder so that the CPU in the decoder can perform all the control of the network access unit if the program installed in the fifth process and the program installed on the currently connected network access unit in the first process can support it. A network access method for a digital receiver, comprising the sixth step of yielding. A method of connecting a decoding period in a CPU of a network connection unit, comprising: a first step of notifying the decoder when power is supplied to the network connection unit and recognizing whether the CPU of the decoder is a CATV connection or a satellite broadcasting connection; and in the first step, the network When the connection unit receives an instruction from the CPU in the decoder to transfer all control of the network connection unit to the decoder or prepares for download, the second step of transferring all control of the network connection unit to the decoder CPU; In the second step, when the preparation for download is necessary, the network connection unit is controlled to perform basic connection according to the network, so that the simple channel connection is performed for the satellite connection, and the third data is exchanged for downloading for CATV or VOD. And a fourth step of transmitting the decoder when the download data is input to the network connection unit. And repeating the fourth step until the download end command is received from the CPU of the decoder, and upon receiving the end command, a fifth step of transferring all control of the network connection unit to the CPU of the decoder. In network connection method. In a network connection device of a digital receiver having a network connection part and a decoder, a data exchange device (112) for exchanging data with the decoder and data is transmitted through the data exchange device (112), and transmitted from the decoder. Output from the CPU 111 for receiving the received data and generating a control signal, the control device 113 for generating transport stream data according to the control signal generated from the CPU 111, and the control device 113; A transport port stream decoder 105 for interpreting the transport stream data, a central processing unit 102 connected to the network connection unit to separate audio and video to be demodulated by control, and to control the entire decoder; Decodes the program memory 103, which stores a program according to the data decoding process in the processing unit 102, and the audio data output from the central processing unit 102. The device characterized by consisting of a audio decoder 104, a video decoder 106 for decoding the video data outputted from the central processing unit 102.