KR980011359A - Canal Plus Broadcasting Vishal's input display selection method - Google Patents

Abstract

The present invention relates to a Vishal system capable of receiving Canal Plus broadcasting, and in the prior art, there is no special method for inspection and diagnosis of such a set by an after service operator in a state where a Canal Plus detector is connected to a Vishal system. It was disadvantageous to the after-service work of the system.

In order to overcome such a problem, the present invention is equipped with an input display selection processing program 100, which checks whether or not the canal option through the input unit is selected (step 101). If the canal option is selected It is checked whether the user has selected a general broadcast input other than the canal plus broadcast reception from the canal option mode screen (step 103). If it is a general broadcast, The system automatically switches the input state (step 108). When it is not a general broadcast selection, the canal plus mode selection is checked (step 104). If the canal plus selection is selected, the canal plus broadcast is received (step 105) If not, it is checked whether the user has pressed the return key (step 106), and if the key is pressed, the screen returns to the previous screen (step 107) And a method of selecting an input display of a Canal Plus broadcasting Vishial.

Representative figure: The fifth figure

Description

Canal Plus Broadcasting Vishal's input display selection method

The present invention relates to a means for selecting and displaying a reception state in a system which is capable of receiving Canal Plus broadcasting in a European Vishal system, In order to receive the plus broadcast, Vishal can receive the canal broadcasting reception status and input selection in the OSI screen interactive manner, so that it can be helpful when the operator service operator performs the inspection / repair of the set.

The CANAL + (C +) broadcasting of the SECAM-type television broadcasting adopted by Vishal of Europe and the like is different from the normal broadcasting in that the delay is different for each video signal 1H and is transmitted to the broadcasting station The decoder uses a decoder to decode contents transmitted together with the cipher signal. A clear picture can be obtained by obtaining a normal signal through the Kanal decoder. In such a case, the signal is delayed and transmitted as described above Or may be sent normally.

Normally, a decoder has a cryptographic function, and a broadcasting station informs general viewers who have a decoder with a password every month. If the cryptographic information is not known, a correct decoding operation can not be performed.

Therefore, in order to receive a canal plus broadcast signal and obtain a normal picture, a canal plus decoder is required. In a conventional vial system, a scall jack, which is a dedicated jack for a carnal plus, is connected and a canal plus decoder is connected through the jack.

Thereafter, when the canal plus channel is matched in the system, the demodulator output terminal of the vysial system is connected to the input terminal of the canal plus decoder, the canal plus decoder normally restores the input canal plus signal, And a restored normal signal of the canal plus decoder is supplied to the video signal processing unit of the vial system in accordance with the logic 1 signal, so that the canal plus broadcast can be received in the vial system mode.

On the other hand, an exemplary embodiment of the above-described system is shown in FIG. 1 as an example.

In this case, there are provided a Vishal set 42 to which an antenna 44 is connected, a TV set receiver 41 connected to the Vishal set and a mutual scart jack, and a TV receiver set 41 connected to the Vishal set 42, A detector 43, and the like.

An example of the scart jack is shown in FIG. 3.

function Pin number function Pin number Audio Output A 3 Rust signal input / output 11 Audio Output B One Rust signal ground 9

Audio Input A 6 Green signal input / output 7 Audio Input B 2 Green signal ground 5 Audio ground 4 Blanking input / output 16 Video output 19 Blanking ground 18 Video input 20 Data line 1 12 Video ground 17 Data line 2 10 TV / Vsial Switching Signal 8 Data line ground 14 Red signal input / output 15 grounding 21 Red signal ground 13

In the meantime, FIG. 2 is known from Korean Utility Laid-Open No. 91-4789 as a prior art showing means for selecting the input of Canal Plus broadcasting in the Vishal system related to the Kanal Plus broadcasting, And a canal plus detector 3 connected to the television receiver 3 to receive the canal plus broadcast in the TV mode.

That is, the system configuration of the TV receiver 2 side is connected to the TV input terminal of the image processing section 24 via the antenna 10, the RF terminal 31, the tuner 22 and the demodulator 23 And the video input terminal 32 of the vial system 1 is connected to the TV input terminal of the video processing unit 24. [

The video output terminal 33 of the vial system 1 is connected to the vial input terminal of the video processing unit 24 and the television input terminal and the vial system input terminal of the video processing unit 24 are connected to the vial system 1 The switch 25 is connected to the control signal output terminal 34 of the Vishali system 1. The Vishal /

The Vishali system 1 has an antenna 10 or a modulator 18 connected to an RF output terminal 31 via a Vishal / TV changeover switch 17 and an antenna 10 is connected to the tuner 12 And the tuner 12 is connected again to the output terminal of the demodulator 13 → the second switch 6 on the tuner input terminal side of the video signal processor 14 → the canal plus detector 3 and the canal plus detector 3, The demodulator 13 or the demodulator 23 on the side of the television receiver 2 is connected to the input terminal of the television signal processing unit 24 via the first switch 5 and the third switch 7 The switch control unit 4 is connected to the control signal output terminal of the canal plus detector 3 and the output terminal of the Vishal / TV of the microcomputer 16 through the output terminal of the video signal processing unit 14 or the Canal Plus detector 3, Mode switching signal output (VTR / TV) and canal 2 and 3 switches 5, 6, and 7, V / T switches 17 and 24, and an antenna (not shown) are connected to the channel designation signal output terminal C + The first, second and third control signals and the fourth control signal are supplied to the changeover switch 19, respectively.

In this system, the canal plus detector 3 outputs a logic 1 signal to the control signal output terminal only when the canal plus broadcast signal is input and restored to a normal signal.

The canal plus channel designation signal of the microcomputer 16 is a channel 1 designation signal for a specific channel, and a logic 1 signal for a canal plus channel designation.

In addition, the Vishal / TV switch signal is set to a logic 1 in the Vishal system mode and a logic 0 in the TV mode so that the Canal Plus broadcast reception can be automatically switched to the Vishali system or the TV set.

However, in such a conventional system, it is checked whether a plurality of video / audio input sources connected to a normal TV broadcast / Canal Plus broadcast / line input are correctly received or whether the channel broadcast is not correctly connected There has been no means for displaying or displaying such information.

It is an object of the present invention to provide a system and a method for controlling the canal plus broadcasting / general TV broadcasting / line input in a system including reception of the canal plus broadcasting in order to overcome the above problems, So that these sets of after-service service personnel can ensure ease of operation for set-up and diagnosis.

In order to implement the object of the present invention in particular, the system checks whether the Canal option is selected through the key input unit and outputs the Canal Option mode of the Canal Option mode if the Canal option is selected. Checking whether the user has selected a general broadcast input other than the canal plus broadcast signal and automatically switching the input state of the general broadcast system if the general broadcast is selected and checking whether the canal plus mode is selected when the general broadcast is not selected; Receiving a canal plus broadcast when a positive selection is made; and an input display selection processing program having a series of processes for checking whether the user pressed the return key when the canal plus is not pressed and returning to the previous screen when the key is pressed Canal Plus Broadcasting Vishal's input display selection method It is characteristic.

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

1 is a schematic diagram showing a connection state between a VCR (Video Cassette Recorder) system and a CANAAL PLUS (CA +) detector, which are connected to a general TV receiver.

FIG. 2 shows an example of the system of FIG. 1 more specifically.

3 is a reference view of a scart jack used in the system.

4 is a block diagram of a system circuit of the present invention

5 shows an embodiment of the input display selection processing program of the present invention

DESCRIPTION OF THE REFERENCE NUMERALS

51: scut portion 52: microcomputer

53: audio / video processing unit 54:

100: input display selection processing program

That is, FIG. 4 depicts a system circuit block associated with the present invention.

A tuner 55 connected to an antenna 54, a Kanal decoder 51 connected to the rear end of the tuner 55 to receive a canal plus broadcast and having a scart jack, And a system control microcomputer 52 and the like which are connected to the rear end of the video / audio processing unit 53 to generate an OSD signal, .

In addition, the input display selection processing program 100 of the fifth embodiment is mounted in the system.

In this case, it is checked whether or not the canal option through the key input unit is selected (step 101). If the canal option is selected, the canal option mode is displayed It is checked whether or not a general broadcast input other than reception is selected (step 103). If it is a general broadcast, the system at the time of general broadcast automatically switches the input state (step 108).

Then, if it is not a general broadcast selection, it is checked whether or not the canal plus mode is selected (step 104). If the canal plus selection is selected, the canal plus broadcast is received (step 105) (Step 106). When the key is pressed, the process returns to the previous screen (step 107).

In step 108, the OSD image related to the canal plus broadcast is not displayed. The AUX button of the key input unit toggles the PR01, AU1, AU2, and PRO2 in the digitron and OSD screen. When the UHF band is selected, Mode, and the canal plus selection screen is not displayed. The canal option mode screen is configured as follows.

Canal Option Mode 1. General broadcast mode 2. Canal Plus mode 3. Return 1 to 3 Select function End

According to the method of the present invention, when the operator service operator presses the canal option key of the key input unit to check and diagnose the set, the above screen appears.

Therefore, when the operator presses 1, the system goes to the general broadcast mode, the system does not display the OSD screen related to Canal Plus broadcasting, and toggles PR01 → AU1 → AU2 → PRO2 on the digitron and OSD screen with the AUX button of the key input unit , When the band selection is selected in the UHF band, the selection screen for the canal plus is not operated, and the canal plus selection screen is not displayed.

When the worker presses 2, the scart jack is operated to receive the canal plus broadcast, and when 3 is pressed, the screen returns to the screen before the screen is loaded.

This operation is performed by the microcomputer 52 in conjunction with the input display selection processing program 100 of the fifth embodiment. This checks whether the Canal option through the key input unit is selected. If the Canal option is selected, Mode, and checks whether the user has selected a general broadcast input other than the canal plus broadcast reception from the canal option mode screen, and if the general broadcast is selected, the general broadcast system automatically switches the input status ( Step 101 to Step 103, Step 108).

Then, when it is not a general broadcast selection, it checks whether or not the canal plus mode is selected, receives the canal plus broadcasting if the canal plus selection is selected, and checks whether the user has pressed the return key when the canal plus selection is not selected. (Steps 104 to 107).

In the present invention, the input state of the reception set of the Canal Plus broadcasting and the connection state of the general broadcast / line input in the Vial system having the canal plus reception function can be checked or diagnosed through the interactive video display This makes it easy to check the system.

Claims (1)

A system for inspecting and diagnosing a canal plus reception state or the like in a system including a Canal Plus detector, a Vishal side system microcomputer, and the like, the system comprising an input display selection processing program (100) (Step 101). When the Canal option is selected, the Canal option mode is displayed (step 102). When the Canal option mode is selected, (Step 103). If it is not a general broadcast selection, the canal plus mode selection is checked (step 104). If it is not a general broadcast selection, If the canal plus is selected, the canal plus broadcasting is received (step 105). If the canal plus is not selected, (Step 106) by checking whether or not the return key has been pressed, and returning to the previous screen when the key is pressed (step 107). ※ Note: It is disclosed by the contents of the first application.