KR20000021594A - Apparatus for switching user's favorite programs on broadcasting satellite receiver - Google Patents

Abstract

PURPOSE: An apparatus for switching a user's favorite program on a broadcasting satellite receiver is provided to automatically switch a channel, when the user's favorite programs are broadcasted. CONSTITUTION: An apparatus for switching a user's favorite program on a broadcasting satellite receiver comprises: a key inputting section for inputting names of user's favorite programs in a broadcasting satellite; a preferable advertizing storing section for storing the names of the user's favorite programs in identifying codes; an identifying code detector for detecting only the identifying codes of the programs in a receiving image signal; a channel switching section for comparing the identifying codes stored in the preferable advertizing storing section with the identifying codes detected in the identifying code detector, and switching channels of the detected programs channels by controlling a tuner(20a), when the identifying codes are the same.

Description

User's preference program switching device of satellite broadcasting receiver

In satellite broadcasting, when a certain channel is organized into a program of the same field, the apparatus for switching user's of the satellite broadcasting receiver is automatically switched when the user enters a type name of a preferred program. favorite program on broadcasting satellite receiver).

In general, satellite broadcasting by a broadcasting satellite (BS) is a broadcast satellite located on a geostationary orbit around 35,000 to 36,000 km from the terrestrial orbital broadcaster, and re-launches the parabola antenna. It refers to the form of reception at each home.

TV voice transmission method by broadcasting satellite is analogous FM audio transmission method such as STAR-TV in Hong Kong, ASTRA TV in Luxembourg, digital PCM such as MUSE, BS in Japan (NHK), and D2-MAC in Europe. Audio transmission methods are widely used.

Satellite broadcasting also requires an appropriate receiver system to receive SHF (3G-13G) frequency signals. In addition, the strength of radio waves on the ground is much weaker than the existing VHF and UHF radio waves, so it is affected by rain, cloud effects, buildings, and trees. Do.

Referring to the block diagram of Fig. 1 the reception process of the satellite broadcast through the satellite broadcast receiver is as follows.

1 is a block diagram of a general satellite broadcast receiver.

Referring to FIG. 1, a general satellite broadcast receiver selects an antenna 10 receiving a satellite broadcast signal transmitted from a broadcast satellite and a channel selected by a user from the satellite broadcast signal received from the antenna 10. A desired packet table is selected from the channel unit 20 for frequency amplification and digital conversion after analog conversion, and applied to the demultiplexer 30 and PID (Packet ID) information of the digital satellite broadcast signal applied from the channel unit 20. Depacketizing, and in the case of paid pro, the demultiplexer 30 is applied to the descrambler 40 so as to descramble the scrambled broadcast signal, and the demultiplexer 30 is applied. Compression of the descrambler 40 which descrambles the scrambled broadcast signal and reapplies it to the demultiplexer 30, and compresses the depacketized broadcast signal in the demultiplexer 30. The video signal is applied to the NTSC encoder 60, and the audio signal is compressed by the MPEG A / V decoder 50, which is applied to the audio D / A converter 70. NTSC encoder 60 for processing video signals among the unpacked digital broadcast signals and outputting them to a TV monitor, audio D / A converter 70 for processing audio signals and outputting them to a speaker, and wireless operation of all satellite broadcast receivers. It consists of a remote controller 90 to control.

Referring to the operation of the general satellite broadcast receiver having the above configuration, when the user powers on the satellite broadcast receiver using the remote controller 90, the antenna 10 is a channel part of the satellite broadcast signal transmitted from the broadcast satellite The channel selected in (20) is selected, digitally converted from intermediate frequency amplification, analog, and then demodulated and applied to the demultiplexer 30. The digital broadcast signal selected and demodulated by the channel unit 20 depacketizes a desired packet table among PID (Packet ID) information of the digital satellite broadcast signal in the demultiplexer 30, In this case, the descrambler 40 is applied to the descrambler 40 so as to descramble the scrambled broadcast signal. The scrambled broadcast signal applied from the demultiplexer 30 to the descrambler 40 is descrambled and applied to the demultiplexer 30 again. The depacketized broadcast signal is decompressed by the MPEG A / V decoder 50 in the demultiplexer 30. The video signal is NTSC encoder 60 and the audio signal is audio D / A in the digital broadcast signal. The converter 70 is separated and sent out. The video signal transmitted from the MPEG A / V decoder 50 to the NTSC encoder 60 is processed into a video signal suitable for output and output to the TV monitor, and the audio signal is output from the audio D / A converter 70. The audio signal is processed to be output to the speaker.

In the general satellite broadcasting as described above, when one channel is organized and transmitted in the same kind of programs, the user has to obtain information about the program in order to view only a desired program in the channel.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a user preference program switching device of the satellite broadcast receiver that can automatically switch channels when broadcasting a user's favorite program.

As a technical idea for achieving the above object, a key input means for inputting a kind name of a program preferred by the user, a preferred advertisement storage means for storing the inputted preferred program type name as an identification code, and a received digital MPEG The identification code detecting means for detecting only the identification code of the program in the video signal and the identification code stored in the preferred advertisement storage means and the identification code detected by the identification code detection means are compared and switched to the channel of the detected program. An invention composed of channel switching means is presented.

1 is a block diagram of a typical satellite broadcast receiver

2 is a block diagram illustrating a user preference program switching device of the present invention satellite broadcast receiver;

3 is an exemplary diagram in which an advertising channel is allocated.

<Description of the symbols for the main parts of the drawings>

5: broadcast satellite 10: antenna

15 converter 20 channel portion

20a: Tuner 20b: A / D Converter

20c: Link IC 30: Demultiplexer

40: descrambler 50: MPEG A / V decoder

60: NTSC encoder 70: audio D / A converter

75: advertising identification code detector 80: controller

85: Preferred Ad Storage 90: Remote Controller

95: comparator

Hereinafter, with reference to the accompanying drawings with respect to the configuration and operation of the embodiment of the present invention will be described.

Figure 2 is a block diagram illustrating a user preference program switching device of the present invention satellite broadcast receiver.

3 illustrates an example in which an advertising channel is allocated.

Prior to describing the present invention, the prerequisites will be described with reference to FIG. 3. In order to implement the present invention, the satellite broadcasting provider can transmit a single channel in the same type of program. That is, as illustrated in FIG. 3, channel 11 is composed of a movie, channel 12 is a sport, and channel 13 is only a channel related to an advertisement. In the process of organizing the channel, this embodiment selects a channel related to an advertisement as an implementation target. When the satellite broadcasting provider organizes the channel 13, an encoding code for each kind of advertisement must be encoded and transmitted for each kind of advertisement, and the data for the identification code is stored in advance in the satellite broadcasting receiver, and the identification code is stored. You can find the program you want. That is, in the advertising channel, the furniture is encoded by transmitting the code as 010, the beverage is 011, the beer is 100, the pcs is 101 and so on.

In the satellite broadcasting transmitted under the above conditions, the present invention will be described with reference to FIG. 2, which includes an antenna 10 for receiving a satellite broadcasting signal transmitted from the broadcasting satellite 5, and a low noise block-down convert (NBN). ), A waveguide (Feedhorn), Polarotor, etc., and low-noise, high-amplification of the broadcast signal received from the antenna 10 at a frequency of 1/10, that is, the 12 GHz received signal as an FM signal as the intermediate frequency of 1 GHz band A converter 15 for converting and amplifying it to a required level and applying it to the channel section 20, and a tuner for tuning a channel selected by a user in the FM broadcast signal of 1 GHz band from the antenna 10 and the converter 15; 20a, an A / D converter 20b for converting the broadcast signal tuned by the tuner 20a from analog to digital, and a digital signal converted from the A / D converter 20b for demodulation and channel. Decode and send to demultiplexer 30 Depacketizing the desired packet table among the channel unit 20 composed of the Link IC 20c and the PID (Packet ID) information of the digital satellite broadcasting signal applied from the channel unit 20, In one case, the demultiplexer 30 is applied to the descrambler 40 so as to descramble the scrambled broadcast signal, and the demultiplexer 30 is descrambled by the scrambled broadcast signal applied from the demultiplexer 30. The descrambler 40 is re-applied and the depacketized broadcast signal is decompressed by the demultiplexer 30, and the video signal is applied to the NTSC encoder 60. The audio signal is an audio D / A converter. An MPEG A / V decoder 50 applied to 70), an NTSC encoder 60 for processing a video signal of the digital broadcast signal decompressed by the MPEG A / V decoder 50 and outputting it to a TV monitor; Speaker by processing voice signal An audio D / A converter 70 for outputting, a remote controller 90 for inputting a type of advertisement program preferred by the user, and a preferred advertisement program input using the remote controller 90 are stored as identification codes. A preferred advertisement storage unit 85, an advertisement identification code detector 75 for detecting only an identification code of an advertisement program in a digital MPEG video signal transmitted from the A / D converter 20b, and the preferred advertisement storage unit 85 The comparator 95 for comparing the identification code of the preferred advertisement program and the identification code detected by the advertisement identification code detector 75 to the controller 80 and applying the same to the controller 80, and controls all the above functions. According to the determination result of 95, if the identification codes match each other, the controller 80 controls the tuner 20a to switch the channel to the advertisement channel.

Referring to the operation of the present invention having the above configuration, when the user powers on the satellite broadcast receiver using the remote controller 90, the antenna 10 receives the satellite broadcast signal transmitted from the broadcast satellite (5) The broadcast signal received by the antenna 10 is low noise and amplified at a frequency of 1/10 at the converter 15, that is, the 12 GHz received signal is converted into an intermediate frequency of 1 GHz as it is an FM signal and the required level is obtained. Amplified to and applied to the channel unit 20. The FM broadcast signal of 1 GHz band transmitted from the antenna 10 and the converter 15 is tuned to a channel selected by a user in the tuner 20a of the channel unit 20, and the broadcast signal tuned by the tuner 20a is a channel. The broadcast signal converted from analog to digital by the A / D converter 20b of the unit 20 and digitally converted by the A / D converter 20b is demodulated by the Link IC 20c of the channel unit 20. The channel is decoded and applied to the demultiplexer 30. The digital broadcast signal selected and demodulated by the channel unit 20 depacketizes a desired packet table among PID (Packet ID) information of the digital satellite broadcast signal in the demultiplexer 30, and the euro profile. In this case, the scrambler 40 is applied to the descrambler 40 under the control of the controller 80 so as to descramble the scrambled broadcast signal. The scrambled broadcast signal applied from the demultiplexer 30 to the descrambler 40 is descrambled and applied to the demultiplexer 30 again. The depacketized broadcast signal is decompressed by the MPEG A / V decoder 50 in the demultiplexer 30. The video signal is NTSC encoder 60 and the audio signal is audio D / A in the digital broadcast signal. The converter 70 is separated and sent out. The video signal transmitted from the MPEG A / V decoder 50 to the NTSC encoder 60 is processed into a video signal suitable for output and output to the TV monitor, and the audio signal is output from the audio D / A converter 70. The audio signal is processed to be output to the speaker. In addition, when the preferred advertisement program input by the user is broadcasted, the user can automatically switch to the channel of the advertisement program. Enter a name for the. The user-preferred advertisement program input by the above is stored as a corresponding identification code in the preferred advertisement storage unit 85. The advertisement identification code detector 75 detects only the identification code corresponding to the advertisement program from the digital MPEG image signal output from the A / D converter 20b and applies it to the comparator 95. The comparator 95 reads out an identification code from the preferred advertisement storage unit 85, compares the detected identification codes applied from the advertisement identification code detector 75, and applies the result to the controller 80 if they match with each other. do. The controller 80 controls the tuner 20a to switch the channel to the advertisement channel on which the program is aired, according to the matched result. This allows the user to see the kind of advertisement he has entered. In addition to the above embodiments, when a satellite broadcasting provider organizes a predetermined channel into not only an advertising channel but also a channel of another professional field and transmits each program by type, the user can easily transmit the corresponding program through the identification code for the above. can see.

Through all the above processes, the user preference program switching device of the satellite broadcasting receiver is implemented as the present invention intends.

As can be seen from the above description, the present invention, when a certain channel is organized into a program of the same field in the satellite broadcast, if the user enters the type name of the preferred program, it can be automatically switched when the program broadcasts, The type name of the input program is stored in the memory means as an identification code, and the identification code related to the program is continuously detected from the received satellite broadcast signal and compared with the stored identification code. By switching to the channel of, the user can change the channel automatically without finding the kind of program that the user prefers in a certain channel.

Claims (2)

In a satellite broadcasting receiver for displaying a program provided by a satellite broadcasting provider to a user through a broadcasting satellite, Key input means for inputting a type name of a user's preferred program in satellite broadcasting; Preferred advertisement storage means for storing the preferred program type name input from the key input means as an identification code; Identification code detection means for detecting only an identification code of a program in a received video signal; A channel switching means for switching the channel to the channel of the detected program by controlling the tuner 20a when the identification codes match the identification codes stored in the preferred advertisement storage means and the identification codes detected by the identification code detection means. Preferred program switching device of the satellite broadcasting receiver comprising. The method according to claim 1, wherein the channel switching means, A comparator 95 for comparing the identification code of the preferred program stored in the preferred advertisement storage unit 85 with the identification code detected by the advertisement identification code detector 75 and applying it to the controller 80; The user preference program of the satellite broadcasting receiver comprising a controller 80 for controlling the tuner 20a and switching the channel to the channel of the detection program when the identification codes match each other according to the determination result of the comparator 95. Switching device.