KR19990080996A - How to process OSD message in satellite broadcasting receiver - Google Patents

Abstract

The present invention presets the importance of each message to be displayed when the overall operating situation or various errors of the satellite broadcast receiver occurs, and when a plurality of messages are generated, the satellite broadcast can be displayed based on the importance set in each message. The present invention relates to a message processing method of a receiver, and for this purpose, the present invention presets priorities for a plurality of messages generated from the respective functional means of the satellite broadcast receiver, and transmits the message from any one of the plurality of functional means. Storing the generated message and displaying the generated message; when the message occurs from any of the plurality of functional means, storing the generated message and turning off the displayed message; Extracting and displaying a message corresponding to the highest priority among a plurality of stored messages; If a delete request signal for deleting any of the stored messages is generated from any of the plurality of functional means, a message corresponding to the delete request signal is deleted from the stored plurality of messages, and the stored Detecting whether another message exists, comparing the priority of each stored message if the stored other message exists, and repeating the process.

Description

How to process OSD message in satellite broadcasting receiver

The present invention relates to a satellite broadcast receiver, and more particularly, to a message processing method of a satellite broadcast receiver suitable for efficiently displaying a message on the overall operating state or various errors of the receiver in a satellite broadcast receiver.

Satellite broadcasting is a broadcasting system that can receive broadcast signals from ground stations (broadcasting earth stations) using broadcast satellites and receive them directly with satellite receiving antennas in each home, and compares the information with existing terrestrial or cable broadcasting systems. It is a broadcasting method in which the selection range is greatly expanded. In the satellite broadcasting system, a digital broadcast signal in the form of a bit stream is received on a packet basis, a broadcast signal of a selected channel is extracted from the broadcast signals received by a transport demultiplexer, and then the extracted broadcast signal is converted into MPEG. (Motion Picture Expert Group) method to decode and provide to the display device.

On the other hand, the satellite broadcast receiver that receives the satellite broadcast and displays the video screen through the display device detects the overall operating state or error of the receiver, and configures the OSD message in a predetermined form and displays it on the screen. You can check the overall operating status or the cause of the error. For example, if a channel cannot be tuned because a satellite signal is not properly received by the satellite broadcast receiver, the message “No broadcast signal found” is displayed on the screen. If the broadcast screen cannot be displayed, the user may be informed of the cause of not displaying the broadcast screen by displaying a guide message, 'This is a viewing-limited channel'.

However, as described above in the conventional satellite broadcasting receiver, there is a situation in which two or more messages must be displayed simultaneously, i.e., a message must be displayed in the process of displaying an OSD message according to the receiver's current operating state or error state. When two or more occur at the same time, there is a problem that the user causes confusion because there is no method to properly adjust and process them.

In detail, when a user uses a satellite broadcast receiver to turn on a receiver to watch a broadcast program of a specific channel, the broadcast signal provided from the satellite is not normally received by the receiver while the user selects a desired channel. An interrupt signal for displaying a message indicating that a broadcast signal cannot be found due to a non-existent signal and an interrupt signal for displaying a message indicating a message when the channel selected by the user is a parental control channel set in the internal memory of the satellite broadcast receiver simultaneously occur. In this case, although the OSD message to be displayed to the user first is a guide message indicating that the broadcast signal is not normally received, a message indicating that the broadcast channel selected by the user is a parental control set channel is displayed on the screen. There was a problem.

Accordingly, the present invention is to solve the above-described problems of the prior art, an interrupt signal for displaying an OSD message by assigning a priority to each OSD guide message according to the current operating state or various errors in the satellite broadcast receiver. The purpose of the present invention is to provide a message processing method of a satellite broadcasting receiver capable of adaptively displaying a corresponding OSD message according to a priority given to each OSD message when the occurrence of the same time.

In order to achieve the above object, the present invention is to detect the overall operating state or error by a plurality of functional means provided in the receiver in a satellite broadcast receiver that receives a broadcast signal generated from the satellite and displays it on the screen through a predetermined signal processing process A method for displaying a plurality of messages selectively occurring in accordance with the present invention, the priority of the plurality of messages originating from the respective functional means of the satellite broadcast receiver is preset, wherein the method comprises any of the plurality of functional means. A first step of storing the generated message and displaying the generated message when the message is generated from the functional means; A second step of storing the generated message and turning off the displayed message when a message occurs from another of the plurality of functional means; Extracting and displaying a message corresponding to the highest priority among the plurality of stored messages; A fourth step of repeating the process after the second step when a message is generated from any other function means of the plurality of function means; If a delete request signal for deleting any of the stored messages is generated from any of the plurality of functional means, a message corresponding to the delete request signal is deleted from the stored plurality of messages, and the stored A fifth step of detecting whether another message exists; A sixth step of comparing the priority of each stored message if the other stored message exists as a result of the detection, and repeating the process after the third step; And a seventh step of turning off the displayed message if there is no other message stored in the storage means as a result of the detection.

1 is a block configuration diagram suitable for applying a message display control method of a satellite broadcast receiver according to an embodiment of the present invention;

2 is a view for explaining a message display control method of a satellite broadcast receiver according to an embodiment of the present invention;

3 is a view for explaining a message display control method of a satellite broadcast receiver according to another embodiment of the present invention;

4 is a flowchart illustrating a message display control process of a satellite broadcast receiver according to an embodiment of the present invention.

<Description of the code | symbol about the principal part of drawing>

10: first processor 20: second processor

30: third processor 40: control unit

50: OSD buffer 60: OSD processing unit

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

1 is a block diagram of a satellite broadcast receiver suitable for applying an OS message processing method of a satellite broadcast receiver according to an exemplary embodiment of the present invention, and includes a first processor 10, a second processor 20, and a third processor. The processor 30 includes a controller 40, an OSD buffer 50, and an OSD processor 60.

Referring to FIG. 1, the first, second, and third processors 10, 20, and 30 are provided with each function means (e.g., tuner unit, smart card, user interface unit, etc.) constituting a satellite broadcast receiver. Represents a processor provided therein to control the operation of the function means, each processor 20, 30, 40 detects an error of the function means and generates a corresponding message to provide to the controller 40 . In addition, the controller 40 stores the messages generated from the above-described processors 10, 20, and 30 in the OSD buffer 50, and sequentially reads each stored message based on a preset priority. It is displayed on the screen through the OSD processor 60.

Referring to FIG. 1, a preferred embodiment of the present invention will be described in detail. In the above-described control unit 40, each processor may be configured according to an operation state of each functional means included in the satellite broadcast receiver in the process of producing an initial satellite broadcast receiver. Priorities for a plurality of messages provided from (10, 20, 30) are preset in the form of a program based on the importance of each message, for example, provided when a broadcast signal is not normally received from the tuner unit. The message is given priority '7', and when the smart card registered with user information is not installed in the satellite broadcasting receiver, the message provided is given priority '6', and the viewing restriction according to a specific time is broadcast. Priority '5' is assigned to messages generated when the screen cannot be displayed.

In addition, a message that occurs when a user-selected broadcast channel does not exist has a priority of '4' and a message that occurs when a parental level for a particular channel is set so that a broadcast screen for the channel cannot be displayed. Priority '3', the message generated when there is no program information for the channel selected by the user, the priority '2' is set, and the parental level according to the rating of the program is set to watch the broadcast program selected by the user. For messages that occur when it is not possible, priority '1' is assigned to the controller 40.

Therefore, the controller 40 sequentially stores the messages generated from the respective processors 10, 20, and 30 based on the priority set therein. For example, when a user selects an arbitrary channel using a key input means (not shown), a broadcast channel may be generated from an arbitrary processor, for example, the first processor 10 because the corresponding channel does not exist. When a guide message indicating a non-existence (priority '4'), for example, a message 'the selected channel does not exist' is generated, the controller 40 displays the generated message as shown in FIG. 2A. It is stored in the uppermost region of the buffer 50.

In addition, by displaying the corresponding message ('the selected channel does not exist') on the screen through the OSD processing unit 60, the user can recognize that the broadcast channel selected by the user is not a valid channel and any other broadcast channel. Will lead to the selection. At this time, the control unit 40 displays the message (priority 4) stored in the uppermost area of the OSD buffer 50 until the user selects any other valid channel on the screen. A message indicating that the satellite broadcast signal is not normally received due to an error in the transmitting side that transmits the broadcast signal, thereby indicating that the broadcast signal cannot be found (Priority 6), for example, the message 'No broadcast signal is received'. And a smart card that has registered information about the user of the satellite broadcasting receiver is not inserted into the receiver correctly or a card reading error has occurred, and a corresponding prompt message (Priority 4), for example, If no message is generated from the second processor 20 and the third processor 30 at the same time, The controller 40 stores the respective messages generated from the second processor 20 and the third processor 30 in the OSD buffer 50 again. In this case, the controller 40 is currently stored in the OSD buffer 50. The priority of the message is compared with the priority of the message generated from the second and third processors 20 and 30.

At this time, as a result of the comparison, the priority of the message currently stored in the OSD buffer 50 is '4', and the priority of the message generated from the second processor 20 is '7'. After shifting the stored message, that is, the message corresponding to the priority '4', the message corresponding to the priority '7' generated from the second processor 20 is stored in the uppermost area of the OSD buffer 50. Then, the message corresponding to the priority '6' generated from the third processor 30 is stored in the next area, and then the message corresponding to the priority '4'. In other words, the controller 40 compares the priorities of the plurality of messages generated from each of the processors 10, 20, and 30 and rearranges and stores them in order of priority as shown in FIG. 2B.

Then, the message corresponding to the priority '4' currently displayed on the screen is turned off through the OSD processing unit 60, and the message stored in the uppermost area of the OSD buffer 50, that is, the message corresponding to the priority '7' is displayed. By reading and providing to the OSD processing unit 60, a guide message indicating that the satellite broadcast signal is not normally received is displayed on the screen.

After the above-described process, the satellite broadcast signal is normally received in the tuner part (not shown) while the message of the priority '7' generated from the second processor 20 is displayed on the screen, and the second processor 20 returns to the second processor 20. When a signal indicating that the satellite broadcast signal is normally received from the controller 40 is provided to the controller 40, the controller 40 deletes the message corresponding to the priority '7' stored in the OSD buffer 50 and then stores the remaining messages, that is, the priority. The messages of priority '6' and priority '4' are shifted to the upper area. Subsequently, a message corresponding to the priority '6' positioned at the message reading position (the uppermost region) of the OSD buffer 50 is displayed on the screen through the OSD processing unit 60.

As a result, the controller 40 sorts, stores, and displays messages generated by the processors 10, 20, and 30 of each satellite broadcasting receiver according to priority, and deletes a message from any processor. If input, the message stored in the OSD buffer 50 is deleted, and each message stored in the OSD buffer 50 is rearranged and sequentially stored.

On the other hand, the process of storing the messages generated from each of the processors (10, 20, 30) in the OSD buffer 50, as described above, each time a message is generated from each processor (10, 20, 30) control unit 40 Unlike in the method of rearranging and storing the data according to the priority set in advance in FIG. 3), as shown in FIG. 3, a plurality of messages generated from each of the processors 10, 20, and 30 are displayed in the OSD buffer in the order in which they are generated in the controller 40. In step 50, the control unit 40 reads the priority of all the messages stored in the OSD buffer 50 in the process of reading them and providing them to the OSD processing unit 60. The method of outputting and providing to the OSD processing unit 60 may also obtain the same effects as in the above-described preferred embodiment of the present invention.

4 is a flowchart illustrating an OS message processing process of a satellite broadcasting receiver according to a preferred embodiment of the present invention. A series of processes described above with reference to the accompanying drawings will be described in detail.

The general operation of the satellite broadcasting receiver configured as shown in FIG. 1 is powered on and receives a broadcast signal for a specific channel and displays a screen on a screen through a predetermined signal processing process or a key not shown. During operation in the standby mode for performing a specific command input from the input means (step 401), any of a plurality of processors 10, 20, 30 included in each functional means constituting the satellite broadcast receiver When a message according to the error detection is generated (step 403), the controller 40 stores the generated message in the OSD buffer 50 (step 405). Then, the controller 40 reads the message stored in the OSD buffer 50 and provides it to the OSD processing unit 60 so as to display a guide message according to the current operating state of the satellite broadcasting receiver on the screen (step 407).

If another message is generated from another processor while the message generated from any processor is displayed on the screen through this process (step 409), the controller 40 generates the same message as in step 405 described above. The message is stored in the OSD buffer 50 (step 411), and the priority of each message currently stored in the OSD buffer 50 is determined (step 413). After the message currently displayed on the screen is turned off, the message corresponding to the earliest priority among the priorities determined in the above-described step 413 is extracted and provided to the OSD processor 60 to display on the screen. That is, when two or more messages generated from each processor and stored in a predetermined area of the OSD buffer 50 exist and need to be displayed all of them, the priority (importance) set in each message is detected to correspond to the fastest priority. Message is displayed on the screen (step 415).

Subsequently, when another message is generated from another arbitrary processor, the controller 40 repeatedly performs the following process by the above-described step 411 and sends the message corresponding to the earliest priority through the OSD processor 60. If a signal for deleting a message is generated from any one of the plurality of processors 10, 20, and 30 provided in the satellite broadcasting receiver during the message display process (step 417), That is, when a message deletion request signal is generated by the processor 40 according to an error recovery from each processor, the controller 40 deletes a message corresponding to the deletion request signal among a plurality of messages currently stored in the OSD buffer 50 ( In step 421, it is detected whether another message exists in the OSD buffer 50 (step 423).

As a result of the detection, if another message exists, the process after step 413 described above is repeated to read the priority of each remaining message, and the message corresponding to the next priority is displayed on the screen through the OSD processor 60. Will be displayed.

Otherwise, the message deletion process as described above is repeatedly performed, i.e., all message deletion request signals are generated from the respective processors according to the error recovery, and as a result, all the messages stored in the OSD buffer 50 are deleted. As a result of the determination in step 423, when the next message does not exist, the controller 40 blocks the operation of the OSD processing unit 60, and thus, the overall operation of the satellite broadcasting receiver is described in the initial step 401. Switch to the same normal viewing mode or standby mode (step 425).

In displaying messages according to the operation status or error detection of each functional means included in the satellite broadcasting receiver, the priority is set in accordance with the importance of each message, and when a plurality of messages occur simultaneously, By adaptively displaying each message, when an error occurs in the satellite broadcasting receiver, the user can easily identify it.

Claims (2)

A satellite broadcast receiver that receives a broadcast signal generated from a satellite and displays it on a screen through a predetermined signal processing process and displays a plurality of messages selectively generated according to an overall operation state or error detection by a plurality of functional means included in the receiver. In how to display: Presets priorities for a plurality of messages originating from the respective functional means of the satellite broadcast receiver, The method is: A first step of storing and displaying the generated message when a message is generated from any of the plurality of functional means; A second step of storing the generated message and turning off the displayed message when a message occurs from another of the plurality of functional means; Extracting and displaying a message corresponding to the highest priority among the plurality of stored messages; A fourth step of repeating the process after the second step when a message is generated from any other function means of the plurality of function means; If a delete request signal for deleting any of the stored messages is generated from any of the plurality of functional means, a message corresponding to the delete request signal is deleted from the stored plurality of messages, and the stored A fifth step of detecting whether another message exists; A sixth step of comparing the priority of each stored message if the other stored message exists as a result of the detection, and repeating the process after the third step; And a seventh step of turning off the displayed message if there is no other message stored in the storage means as a result of the detection. The method of claim 1, wherein the plurality of messages generated from the respective functional means are sequentially stored in the memory area of the satellite broadcasting receiver based on a priority set in the respective messages, and are sequentially read and displayed. Message processing method of a satellite broadcast receiver.