KR100443271B1 - Apparatus and method for surfing a web site using a digital versatile disc - Google Patents

Abstract

The present invention relates to an apparatus and method for surfing a web using a DVD. The present invention relates to a web surfing apparatus and a method for reading a video signal recorded on the DVD and information about a specific product displayed in the video of the video signal, and displaying and reproducing the video signal. It checks whether a specific product in the displayed image is selected and specified, and displays information on the selected specific product on the video signal, and uses the superimposed information to connect with an Internet site that provides detailed information about the specific product. By connecting, a user equipped with a DVD player is a very useful invention that makes it possible to search product information or detailed information on a specific product displayed on an image on the Internet website more easily and in detail while watching a playback video.

Description

App device and method for surfing a web site using a digital versatile disc}

The present invention provides a website for selectively checking product information on a specific product displayed on a video screen reproduced from a DVD (Digital Versatile Disc), which is a high density optical disc, and providing detailed information on the specific product. The present invention relates to a web surfing device using a DVD and a method for making a connection with a (Web Site).

The Internet, generally referred to as the “sea of information,” is a worldwide integrated network capable of providing and searching vast and diverse information. The Internet is a terminal equipped with an Internet connection function, for example, a personal computer (PC). Various information can be searched or provided through. Recently, a search engine for web surfing has been developed to make it easier to select and search a large amount of information provided through the Internet. Many users with personal computers have been able to use this to quickly and easily search for their desired information.

Meanwhile, in the search engine, a keyword type search method or a menu type search method is generally used. In the keyword type search method, a user directly inputs a keyword that can represent information to be searched by the user. In the menu type search method, the user selects and searches the desired menus sequentially by gradually narrowing down from the upper selection menu of the large category provided by the search engine to the lower selection menu of the small category. It's used a lot when searching websites that provide the information you need.

In addition, recently, in addition to a personal computer, an Internet-connected home appliance is provided with an Internet connection function in a home appliance having various unique functions so that a web surfing function can be selected and used in addition to the home appliance's unique function. Devices are being developed one after another.

Accordingly, it is expected that a case of searching or providing information desired by the Internet through the Internet will be further activated.

However, after connecting to the Internet through a personal computer equipped with an internet access function or a combined Internet home appliance, as described above, the search engine is used to connect with a website that provides detailed information on a specific product. In order to do so, it is necessary to select and enter a keyword that can accurately represent the specific product or to select and select a selection menu provided sequentially from a search engine, so that it is inconvenient to search for information. There was a problem in that not only the information search of the product, but also the active use of electronic commerce.

Accordingly, the present invention was created to solve the above problems, and enables the user to select and confirm product information on a specific product displayed on a video screen reproduced from a DVD, which is a high-density optical disc, and to provide detailed information on the specific product. It is an object of the present invention to provide a web surfing device and a method using a DVD to facilitate the Internet connection with a website that provides a.

1 illustrates a configuration of a web surfing apparatus using a DVD according to the present invention,

2 illustrates a configuration of a decoder unit according to the present invention;

3 illustrates a configuration of an internet signal processing unit according to the present invention,

Figure 4 shows the hierarchical structure of the DVD according to the present invention,

5 shows a program chain according to the invention,

6 illustrates a table configuration for system parameters of a DVD according to the present invention.

7, 9, and 11 illustrate a DVD playback video screen according to the present invention;

8 illustrates a table structure for UAL information according to the present invention,

10 shows a home page screen of an Internet website according to the present invention,

Figure 12 illustrates a commodity / UEL system parameters according to another embodiment of the present invention.

※ Explanation of code for main part of drawing

1: DVD 2: optical pickup

3: frequency converter 4: digital signal processor

5: system controller section 6: decoder section

7: Encoder part 8: Interface part

9: Internet signal processor 10: DVD player

20: Internet 61,91: separation unit

62: video decoder unit 63: audio decoder unit

64: sub-picture decoder 65: additional information decoder

92: video signal processor 93: audio signal processor

94: guide signal processing unit

Web surfing method using the DVD according to the present invention for achieving the above object, the first step of reading the video signal recorded on the DVD and information about a specific product displayed in the video of the video signal; Reproducing and displaying the read video signal and confirming whether a specific product in the displayed video is selected and designated; And three steps of superimposing and displaying the information on the specific product on which the selection designation is confirmed, on the video signal.

In addition, the web surfing device using the DVD according to the present invention, the reading means for reading the video signal recorded on the DVD and information about a specific product displayed in the video of the video signal; Signal processing means for signal-processing the sub-image for selecting and specifying the specific product so as to be superimposed with the video signal; And control means for controlling the information on the specific product to be selectively displayed on the screen.

Hereinafter, exemplary embodiments of a web surfing apparatus and method using a DVD according to the present invention will be described in detail with reference to the accompanying drawings.

First, FIG. 1 schematically shows a configuration of a DVD player to which a web surfing apparatus and method using a DVD according to the present invention is applied. The DVD player 10 includes a DVD 1 which is a high-density optical disk. An optical pickup (2) for reading out the signals recorded in < RTI ID = 0.0 > An RF signal processor (3) for converting the signal read out by the optical pickup into a high frequency signal; A digital signal processor (4) for signal-processing a high frequency signal output from the RF signal processor into a digital signal; A decoder (6) for decoding and restoring the digital signal output from the digital signal processor into original digital data; An encoder unit 7 for encoding and outputting original digital data reconstructed and output from the decoder unit into a signal format such as NTSC or PAL that can be accommodated in a video display device; An interface unit 8 having a communication protocol (TCP / IP) for connecting to and connecting to the Internet 20; An internet signal processor (9) for signal-processing an internet data stream received through the internet connected by the interface unit; And it comprises a system controller unit 5 for controlling the operation of the configuration means.

On the other hand, as shown in Fig. 2, the decoder section 6 includes: a signal separation section 61 for separately outputting the digital signal output from the digital signal processing section 5 according to its signal components; A video decoder 62 which decodes and outputs the video signal separated and output from the signal separator to original video data; An audio decoder 63 for decoding and outputting the audio signal separated and output from the signal separator to restore original audio data; A sub-picture decoder 63 for decoding the sub-picture signal output from the signal separator and restoring the sub-picture signal to original sub-picture data; Decoded additional information output from the signal separation unit, for example, URL (Uniform Resource Locator) information of an internet website stored in association with image data stored in the DVD 1 and the like, are restored to original data. The additional information decoder 65 to be output is included.

In addition, as shown in Fig. 3, the Internet signal processing section 9 receives the Internet data stream received through the interface section 8 provided with the communication protocol such as TCP / IP, and the signal component of the data stream. According to, the data stream separation unit 91 for outputting separated; A video signal processor 92 for signal-processing the video data stream separated from the data stream separator and outputting a video signal having a format suitable for a video display device; An audio signal processor (93) for signal-processing the audio data stream separated from the data stream separator and outputting the audio data stream in a format suitable for a video display device; A guide signal processor 94 may be configured to generate and display a guide image screen for selecting and specifying various additional information received through the interface unit.

In addition, the hierarchical structure of the digital data recording format and management information recorded and stored in the DVD is shown. The DVD 1 includes a first recording area in which volume and file structure information of the DVD is recorded and stored. & File Structure, a second recording zone (DVD-Video zone) in which a large amount of moving image data is recorded and stored, and a third recording zone (other zone) in which other information is recorded and stored. The recording area includes video management information (VMG: Video Management) and a plurality of video title sets (VTS).

The video management information VMG includes menu information VMGM_VOBS for video objects recorded with temporal continuity, and control data control for the video recording information VMGI. Data) and the backup video record set information (Backup for VTSI). The video title set, particularly the last video title set (VTS # n), includes control data (VTSI) for video title set information (VTSI). Control Data), menu information (VTSM_VOBS) for the video recording set, title information (VTSTT_VOBS) for the video recording set, and backup video title set information (Backup for VTSI).

The title information (VTSTT_VOBS) for the video recording assembly includes a plurality of identification numbers (C_IDN # 1, 2, 3, 4) for cell information, which is reproduction order information corresponding to the video recording assembly (VOB). .) Is recorded, wherein the identification number for the cell information is information for identifying a plurality of video object units (VOBUs) included in a corresponding video recorder (VOB). The video recording unit VOBU includes a navigation pack (NV.Pack) in which navigation data for reproduction control is recorded, a video pack (V.Pack) in which video data is recorded and a audio pack (in which audio data is recorded). A.Pack) and sub-picture packs (SP.Pack) in which sub-picture data are separately recorded, and additionally recorded to implement a web surfing apparatus and method according to the present invention. Stored Information, that is, product information on a specific product displayed on a video screen read out from a DVD, or UAL information on a website that provides detailed information about the specific product, are the last video title set (VTS #n). Can be recorded and stored additionally.

Meanwhile, FIG. 5 schematically illustrates a program chain (PGC) for multi-story playback among various playback functions provided by the DVD. The DVD 1 may include a single disc. As shown in FIG. 5, data streams such as different stories or angles are recorded by multi-path programs in order to allow a user to selectively reproduce various story developments or various angle images. Stored.

A program of any one path can be selectively reproduced by a user selection or a navigation command, for example, a program in which the user selects programs 1,2,3-1,4-1,5,6. If the chain is called 'PGC 1' and the program chain in which the user selects programs 1,2,3-2,4-2,5,6 is called 'PGC 2', the data to be played back in the PGC 1 and PGC 2 In the stream, video screens corresponding to different stories or angles are displayed during a period in which the multi-path program is played.

Accordingly, in the present invention, it is possible to selectively reproduce and output the product information or the UAL information, etc. additionally recorded and stored in the DVD by using the multi-program chain (PGC), for example, during the production of the DVD, The product information or the UAL information, etc. for the specific product displayed on the computer is recorded and stored in a predetermined multipath program, and the user selects and specifies the multipath program in which the product information or the UAL information is stored, and the product information. Or limit information (Lock_Info.) For allowing the DVD maker to play back and check the DVD information, or for causing the DVD maker to forcibly play any one of the multi-path programs in which the product information or the URL information and the like have been recorded when the DVD is played. Video management information (VMGI), as described above with reference to FIG. 4 By recording and storing on the DVD, a program chain including any one multi-path program recorded and stored with the product information or the UAL information, etc. can be forcibly selected at the beginning of the DVD reproduction.

Also, video management information (VMGI) includes restriction information (Lock_Info.) In another sense, which prevents the DVD maker from forcibly playing back any one multi-path program in which the product information or the UEL information and the like are recorded and stored during DVD playback. By recording and storing on the CD), it is possible to prevent the program chain including any one multi-path program recorded and stored in the product information or the UE information at the beginning of the DVD playback.

Meanwhile, as shown in FIG. 6, the restriction information Lock_Info. Is additionally designated on the 21st to 22nd reserved areas among the system parameters (SPRMS) defined in the DVD format. Can be defined.

As described above, it is possible to selectively check the product information for the specific product displayed on the video screen that is read and reproduced from the DVD recorded and stored product information or the UAL information, and also provides detailed information about the specific product The web surfing operation for directly making an internet connection with a website will be described below in detail with reference to the accompanying drawings.

First, when the DVD 1 is inserted and seated in the DVD player 10 configured as shown in FIG. 1, the system controller 5 reads and stores the reproduction management information recorded and stored in the DVD 1. By performing a system initialization for controlling the reproduction of the digital data stream recorded and stored in the DVD, when the restriction information (Lock_info.) Recorded in the reproduction management information is detected, according to the restriction information, Will force the program chain (PGC) to be selected.

For example, as shown in FIG. 5, the restriction information may be a program chain 2 (PGC2) including a multi-path program (Program 3-2, Program 4-2) in which product information, UEL information, and the like are recorded. In the case of the restriction information to be forcibly set, the system controller 5 controls each program corresponding to the program chain 2 to be sequentially read out and reproduced.

Accordingly, in the signal separation unit 61 included in the decoder 6, the digital signals corresponding to the program are converted into the video decoder 62, the audio decoder 63, and the sub-picture according to the signal component thereof. Since the decoder 63 is separately output to the decoder 63 and the additional information decoder 65, the video display device such as a television is displayed and outputted, so that the multi-path program is reproduced. In the case of the display, a sub-image for selecting and requesting product information on a specific product displayed on the screen, for example, as shown in FIG. 7, a mark shape is displayed on a portion where a specific product is displayed, or a specific product. The sub-image for highlighting is superimposed.

Accordingly, the user can select and click a sub-image superimposed on a specific product desired by the user, that is, a mark-shaped sub-image, and check the product information stored in association with the mark-shaped sub-image through the image display apparatus. In addition, as shown in FIG. 8, specific products in which the mark shapes are overlapped are displayed on the Internet website that provides an item code (Item_code), an item name (Item_Name), and detailed information on the product. The URL information of URLs (URL_Info) is stored and managed in association with the URL information table managed.

Thereafter, when the user clicks on any one mark shape that is displayed on the screen as described above, the system controller unit 5 displays, as shown in FIG. The UEL information is read and displayed on the video display device.

Accordingly, when the user wants to search for more detailed information about the specific product, the user selects and clicks on the screen displayed UAl information. The system controller 5 provides UEL information selected by the user to the interface. In addition to the transmission to the section 8, a command for requesting Internet connection is transmitted. Then, the current DVD playback position information is temporarily stored, and the interface unit 8 connects to the Internet website using the UEL information.

Subsequently, when a connection is made with the Internet website providing detailed information on the specific product designated by the user through the above process, the system controller 5 determines the operation mode of the DVD player 10. Switching from DVD playback mode to Internet search mode stops DVD playback.

On the other hand, the Internet data stream transmitted and received from the Internet website is input to the Internet signal processing unit 9 via the interface unit 8, and is shown in FIG. 10 by the signal processing operation of the Internet signal processing unit. As described above, when the homepage screen of the website is displayed on the video display device.

Therefore, the user can simply and easily search for and confirm detailed information on a specific product desired by the user, and also purchase a product for a specific product through an interface with the website.

Meanwhile, as shown in FIG. 11, the sub-image and the UEL information having the mark shape described above with reference to FIGS. 7 to 9 may be displayed as an OSD (On Screen Display) image superimposed on the main image. In addition, the OSD video screen may be displayed as a list selection menu for selecting and designating product names and UEL information of a plurality of specific products displayed on a corresponding time point.

Meanwhile, in another embodiment, a system parameter used to change the status and action of the DVD player in the system parameter described above with reference to FIG. 6, that is, the navigation command defined in the DVD format ( On any one of the spare areas SPRM 21 and 22 in the SPRMS, a specific parameter is recorded, for example the 'product / iel' parameter defined in the present invention.

That is, as shown in FIG. 12, the first two bits of the two bytes are variably set by the product / UL parameter. When the value of the first two bits of the product / UL parameter is '00b', the DVD player displays the product information. Alternatively, if the first two-bit value of the commodity / UEL parameter is '11b', the DVD player selects and plays the program chain in which the commodity information or the UEL information is recorded. On the other hand, when the first two bit value of the product / UEL parameter is '01b' or '10b', it can be defined and used as other control information.

Then, a program for variablely setting the value of the goods / ULEL parameters defined as described above is recorded, including the lead in area of the DVD, and the like, when the optical disk is inserted and seated in the device, automatically. By reading out the program, it is possible to forcibly limit the selectable program chain in the optical disk device.

For example, when the value of the commodity / Ual parameter is variably set to '00b', the PGC 1 described above with reference to FIG. 5 is selected and reproduced, and the value of the commodity / Uall parameter is set to '11b'. If variable is set to ', PGC 2 can be selectively played back.

On the other hand, in another embodiment, depending on whether or not the program is executed, the program chain selected and reproduced in the optical disk device may be different from each other, and the recording data of the scrambled DVD is not executed or the product / Depending on the value of the UEL parameter, the screen may be selectively descrambled to output a normal screen, or the scrambled recording data may be output as it is to output an abnormal screen.

The above program may be downloaded into the optical disk device through an external connection device, for example, a personal computer connected to the Internet, or may be executed in the optical disk device through a removable flash memory. In this case, the program may be distributed to the user for a fee or free by the program provider.

For reference, the interface unit 8 and the Internet signal processing unit 9 for the Internet connection can be manufactured and configured separately from the DVD player, and the present invention can be inserted into a personal computer equipped with an Internet connection function. It can be extended to a DVD driver.

As mentioned above, preferred embodiments of the present invention are disclosed for the purpose of illustration, and those skilled in the art can improve and change various other embodiments within the spirit and technical scope of the present invention disclosed in the appended claims below. , Replacement or addition would be possible.

The web surfing apparatus and method using the DVD according to the present invention constructed and configured as described above read and store the video signal recorded on the DVD and information on a specific product displayed in the video of the video signal, and reproduces and displays the video signal. Then, it is checked whether a specific product in the displayed image is selected and specified, and superimposed information on the selected designated product is displayed on the video signal, and detailed information on the specific product is provided using the superimposed displayed information. By connecting and connecting to an Internet site, a user having a DVD player can search product information or detailed information about a specific product displayed on the Internet website more easily and in detail while watching a playback video. will be.

Claims (11)

A step (1) of forcibly selecting a specific program chain including a program in which product information is recorded by referring to the restriction information recorded in the video management information of the DVD; Reading a video signal of a data stream of each program corresponding to the forcibly selected specific program chain and information on a specific product displayed in the video of the video signal; Reproducing and displaying the read video signal and confirming whether a specific product in the displayed video is selected and designated; And And four steps of superimposing and displaying the information on the specific product of which the selection designation is confirmed on the video signal. The method of claim 1, And connecting to and connecting to an internet site that provides detailed information about the specific product by using the overlapping displayed information. The method of claim 1, The information on the specific product, product guide information and Internet access information for the specific product, the web surfing method using the DVD. The method of claim 3, wherein The Internet access information is a web surfing method using a DVD, characterized in that the URL (URL) information assigned to the Internet website that provides detailed information about the specific product. delete The method of claim 1, Wherein the step 3, Web surfing method using a DVD comprising the step of overlapping display of the sub-image of the highlight shape that can select and specify the specific product in the displayed image. delete The method of claim 1, The fourth step, the web surfing method using a DVD, characterized in that to display the product guide information and the Internet access information for the particular product sequentially or simultaneously. delete delete delete