KR100681601B1 - Method for offering manual information of video recording system - Google Patents

Abstract

A method of providing manual information of a video recording system is provided to judge a function of the video recording system through a program counter when a specific key is inputted while the video recording system executes the function and display manual information corresponding to the function. It is checked whether a key operating signal providing information about a function is inputted while the function is executed(204). When the key operating signal is inputted, the function is judged using a program counter(206). It is checked whether a manual index address corresponding to the function exists(210). When the manual index address exists, manual information corresponding to the function is extracted and provided(212,214). When the manual index address does not exist, the entire manual information is extracted and provided(216,218).

Description

How to provide manual information of video recording system {METHOD FOR OFFERING MANUAL INFORMATION OF VIDEO RECORDING SYSTEM}

1 is a block diagram of a video recording system suitable for providing manual information of a function being performed according to the present invention;

2 is a flowchart illustrating a process of providing manual information on a function being performed in a video recording system according to the present invention.

<Description of Symbols for Main Parts of Drawings>

102: key input block 104: control block

106: tuning and demodulation block 1 08: decoding block

110: MPEG codec block 110a: program counter section

110b: manual search unit 112: hard disk drive

114: Menu Creation Block 116: Signal Processing Block

118: memory

The present invention relates to a method of providing manual information of a video recording system, and more particularly, to a method of providing manual information of a video recording system suitable for providing corresponding manual information on a function being performed in the video recording system.

As is well known, an image recording system, for example, a DVR system, refers to a recording device that records and reproduces a digital broadcast program that is received.

Such an image recording system includes a hard disk drive (HDD) as a storage medium, for example, converts a received broadcast program into a digital signal and records the same on a hard disk drive, and plays it as necessary.

In addition, the video recording system receiving the digital broadcast stores Electronic Program Guide (EPG) information, and viewers can conveniently record desired broadcast programs through the menu screen of the EPG. Can be registered and registered.

On the other hand, a video recording system including a hard disk drive is complicated in its configuration, and its usage is complicated due to various functions. Therefore, such a manual is stored on the hard disk drive, and the manual can be called out as needed to retrieve a desired function. After the search, a description of the function is obtained.

As described above, in order to obtain information on a specific function in a conventional video recording system including a hard disk drive, after inputting a specific key (for example, a menu key) to bring up a manual, a plurality of functions are listed. After searching for and selecting the corresponding function among the manual information, the manual information on the details is acquired later, which makes it inconvenient for the user to obtain and use information about the video recording system.

Accordingly, the present invention is to solve the above-mentioned problems of the prior art, and when the specific key is input while performing any function in the video recording system to determine the corresponding function through the program counter, and the manual information corresponding to this function Its purpose is to provide a manual information providing method of a video recording system that can show.

In order to achieve the above object, the present invention provides a method for providing manual information in a video recording system having a hard disk drive, and checks whether there is a key operation signal that provides information on a corresponding function while an arbitrary function is being performed. And determining the corresponding function through a program counter if there is the information providing key operation signal, checking whether there is a manual index address corresponding to the determined corresponding function, and the manual index address. If the manual index information is provided, and if there is no manual index address provides a manual information providing method of the video recording system comprising the step of extracting and providing the entire manual information.

The above and other objects and various advantages of the present invention will become more apparent from the preferred embodiments of the present invention described below with reference to the accompanying drawings by those skilled in the art.

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

A key technical aspect of the present invention is that, unlike the conventional method of searching for and obtaining necessary manual information from the manual information on all functions when manual information on the performance function of the video recording system is provided, while any function is being performed, If there is a key operation signal that provides information on the function, the program counter determines the function and checks if there is a manual index address corresponding to the determined function. By extracting and providing, if there is no manual index number to extract and provide the entire manual information, through the technical means can easily achieve the object of the present invention.

1 is a block diagram of a video recording system suitable for providing manual information of a function being performed according to the present invention, which includes a key input block 102, a control block 104, a tuning and demodulation block 106, and a decoding block ( 108, MPEG codec block 110, hard disk drive 112, menu generation block 114, signal processing block 116, and memory 118. Here, the MPEG codec block 110 includes a program counter unit 110a and a manual search unit 110b.

Referring to FIG. 1, the key input block 102 generates an operation signal for controlling the operation of an image recording system, including a remote controller, for example. In case of inputting various keys (for example, recording key, playback key, manual key, etc.) through the controller or the like, each key operation signal is generated in response to this, and the function is provided to the control block 104. Do this.

Next, the control block 104 performs overall operation control of the video recording system, and provides a control signal for tuning and demodulating any one of a plurality of broadcast channels to the tuning and demodulation block 106. A control signal for decoding the demodulated broadcast stream is provided to the decoding block 108, and a control signal for decompressing the extracted broadcast data for compressing or recording or playing the decoded broadcast data in a manner such as MPEG. It provides a function such as provided to the MPEG codec block 110.

In addition, the control block 104 provides a control signal for storing broadcast data compressed by MPEG or the like or a control signal for extracting broadcast data to be reproduced to the hard disk drive 112 and provides various menu screens. The control signal for generating is provided to the menu generating block 114, and the broadcast signal (video signal and audio signal) transmitted is signal processed, respectively, and the control signal for reproducing through a monitor and a speaker (not shown) is processed as a signal processing block ( 116).

In addition, the control block 104 provides manual information on the corresponding function from the key input block 102 while any function (for example, broadcast program recording, broadcast program playback, etc.) is performed according to the present invention. If there is a key operation signal for the control unit according to the control signal for determining the corresponding function according to the program counter unit 110a of the MPEG codec block 110, and then corresponds to the corresponding function transmitted from the hard disk drive 112 The control signal for generating a menu screen for the manual information or the entire manual information is provided to the menu generation block 114, and the control signal for displaying the menu screen on a monitor (not shown) by mixing the menu screen with a video signal. Provided to processing block 116.

Meanwhile, the control block 104 stores additional information (for example, program guide information (EPG) information, etc.) transmitted from the decoding block 108 in the memory 118, and the memory block 118 may store such additional information as necessary. The additional information may be extracted and provided, or a program for performing a certain function may be extracted to control operation of the system accordingly.

Next, the tuning and demodulation block 106 tunes any one of a plurality of broadcast channels received through an antenna (not shown) to demodulate and error correct broadcast signal packet data of a selected channel extracted from a transport stream. It passes to the decoding block 108 through the process of, and the like.

The decoding block 108 restores the compressed coded broadcast signal (broadcast program signal) of a specific channel to the original signal before encoding using a decoding technique such as variable length decoding, inverse DCT, inverse quantization, and motion compensation. The recovered broadcast signal is transmitted to the MPEG codec block 110. Here, the decoding block 108 extracts additional information (for example, broadcast program guide (EPG) information, etc.) of the broadcast signal and transmits it to the control block 104 to store such information.

In the MPEG codec block 110, a broadcast signal transmitted from the decoding block 108 is compressed in a method such as MPEG when the broadcast program is recorded, and transmitted to the hard disk drive 112, and the hard disk drive 112 is reproduced when the broadcast program is reproduced. The decoded broadcast signal from the decoupling) is decompressed in a method such as MPEG and transmitted to the signal processing block 116.

In addition, the MPEG codec block 110 includes a program counter unit 110a and a manual search unit 110b. In the program counter unit 110a, an arbitrary function is performed according to a control signal provided from the control block 104. Check the execution routine of the corresponding function according to the Program Counter Register and provide this information to the manual search unit 110b, and the manual search unit 110b provides the corresponding function according to this information. After the determination, the search signal for searching the manual index corresponding to this function is provided to the hard disk drive 112.

Subsequently, the hard disk drive 112 extracts a broadcast signal to be stored or reproduced from the MPEG codec block 110 and transmits the extracted broadcast signal to the MPEG codec block 110, according to the present invention. According to the manual index search signal provided from the manual search unit 110b of the MPEG codec block 110, it is checked whether a manual index address according to the execution routine of the corresponding function is designated, and if the corresponding manual index address is designated, Information is extracted and transmitted to the control block 104, and if a manual index address according to the execution routine of the corresponding function is not specified, the entire manual information is extracted and transmitted to the control block 104.

In addition, the menu generation block 114 generates a corresponding menu screen according to various menu screen generation control signals provided from the control block 104 and includes a menu including respective manual information provided from the control block 104. A screen is generated and transmitted to the signal processing block 116, and the manual processing screen is mixed with the video signal and displayed on a monitor (not shown).

Meanwhile, the memory 118 stores various execution programs of the video recording system. When there is a key operation signal for performing an arbitrary function from the key input block 102, the memory 118 extracts the corresponding execution program to control the block 104. ) And stores additional information on the received broadcast signal, or extracts the additional information as necessary and provides the additional information to the control block 104.

Next, in the video recording system having the above-described configuration, when a manual function is requested while a certain function is being performed, the function routine is determined by checking the execution routine of the corresponding function, and the corresponding function is designated. The process of extracting and displaying manual information according to a manual index address is described.

2 is a flowchart illustrating a process of providing manual information on a function being performed in an image recording system according to the present invention. Through such drawings will be described a method for providing manual information according to the present invention.

2, while performing any function in the video recording system (step 202), in the control block 104 to the corresponding function being performed by the user using the input means not shown, for example, a remote controller, etc. If a key for providing manual information is input, it is checked whether there is a manual information providing key operation signal generated in response to the input (step 204).

As a result of the check in the step 204, if there is a manual information providing key operation signal, the control block 104 provides a control signal for determining the corresponding function to the program counter unit 110a of the MPEG codec block 110. The program counter 110a detects an execution routine of a corresponding function according to a program counter register and provides this information to the manual search unit 110b. The function is determined according to the information (steps 206 and 208).

Next, the manual search unit 110b of the MPEG codec block 110 provides the hard disk drive 112 with a search signal for searching for a manual index corresponding to the determined corresponding function, and according to the search signal, the corresponding function. In step 210, it is checked whether there is a designated manual index address.

As a result of the check in step 210, if there is a manual index address, the hard disk drive 112 extracts manual information corresponding to the corresponding function according to the manual index and transmits the manual information to the control block 104 (step 212). .

In addition, the control block 104 provides a control signal for generating a menu screen including the manual information corresponding to the corresponding function transmitted to the menu generation block 114, and a manual generated through the menu generation block 114. The menu screen is mixed with the video signal via signal processing block 116 and then displayed on a monitor not shown (step 214).

On the other hand, if there is no manual index address as a result of the check in step 210, the hard disk drive 112 extracts the entire manual information and transfers it to the control block 104 (step 216), and the control block 104 Provides a control signal for generating a menu screen including the entire manual information transmitted to the menu generation block 114, and the manual menu screen generated through the menu generation block 114 is provided through the signal processing block 116. After mixing with the video signal, it is displayed via a monitor (not shown) (step 218).

Therefore, it is possible to enhance convenience in using the video recording system by displaying manual information corresponding to the corresponding function while any function is performed in the video recording system.

In the foregoing description, the present invention has been described with reference to preferred embodiments, but the present invention is not necessarily limited thereto. Those skilled in the art will appreciate that the present invention may be modified without departing from the spirit of the present invention. It will be readily appreciated that branch substitutions, modifications and variations are possible.

As described above, the present invention is different from the conventional method of searching for and obtaining necessary manual information from the manual information on all functions when the manual information on the performance function of the video recording system is provided. If there is a key operation signal that provides information on the function, the program counter determines the function according to the execution routine of the function, checks whether there is a manual index address corresponding to the determined function, and then checks the manual index. If there is a address, it extracts and provides the manual information, and if there is no manual index, it extracts and provides the entire manual information, so it is possible to provide manual information on the function being performed in the video recording system by simple operation. Usability can be improved.

Claims (2)

As a method of providing manual information in a video recording system having a hard disk drive, Checking whether there is a key operation signal that provides information on the corresponding function while any function is being performed; Determining the corresponding function through a program counter when the information providing key manipulation signal is present; Checking whether there is a manual index address corresponding to the determined function; Extracting and providing corresponding manual information when the manual index address exists; Extracting and providing full manual information when there is no manual index address Manual information providing method of a video recording system comprising a. The method of claim 1, The determination of the corresponding function is performed according to a check on the execution routine of the corresponding function from a register of the program counter.

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