KR20070006279A - Apparatus and method of blocking for picture display device - Google Patents

Abstract

An apparatus and a method for locking a display device are provided to allow only an authenticated user to use an EPF(Electronic Photo Film) function by locking the EPF function. An apparatus for locking a display device having an EPF function includes a key input unit(170) by which a user inputs a request instruction, various operation instructions and a password for locking, a storage unit(180), and a controller(160). The storage unit stores messages inputted by the user and a system program for the EPF function and a locking function. The controller controls the display device to display an image for locking when a locking instruction is inputted through the key input unit and controls the operation of the display device in response to a set locking password and locking information.

Description

Apparatus and method of blocking for picture display device}

1 is a block diagram schematically illustrating an apparatus for setting a lock of a video display device according to an exemplary embodiment of the present invention.

2 is a flowchart illustrating a method for setting a lock of a video display device according to an exemplary embodiment of the present invention.

3 is a diagram illustrating a menu function according to the lock setting of the image display device of FIG. 2.

4 is an operation flowchart for using an EPF function according to an embodiment of the present invention.

5 is an exemplary view of a screen according to the use of the EPF function of FIG.

The present invention relates to a lock setting method of a video display device in which an electronic album function of a video display device is locked so that only a designated user can view the image.

In general, TV is a device for displaying the damage signal transmitted from the broadcasting station according to the user's selection on the screen, and is gradually changing from analog to digital method according to the development of multimedia technology.

In particular, digital TVs have added various additional services such as home shopping, electronic newspapers, and stock information that cannot be received in the conventional analog system, and many channels for receiving broadcasts have been added due to the low bandwidth efficiency.

In line with this trend, standard guidelines for interactive services such as online games and on-demand video services are being established, and manufacturers are actively researching the interface between the user and the interactive service.

Therefore, the currently developed digital TV receiver or Internet TV is provided with the same level of a graphical user interface (GUI) as a personal computer.

At this time, the EPG (Electronic Program Guide), which is a guide information screen for a broadcast program, displays a program of each broadcasting station by date and time desired by the user on the screen. In order to increase the user's convenience in response to this problem, more technology development is required.

Meanwhile, as digital broadcasting begins in earnest, the issue of youth violence caused by pornographic and violent screens and languages through TV becomes serious.

As a solution to the growing problem of youth violence in the United States, the Federal Communications Commission (FCC), which is selling in the United States to report youth from pornographic and violent screens and languages, among public and cable television programs. The set was mandated to be equipped with the V-Chip, a sorting device.

V-Chip means that if parents set the grade block value in digital TV in advance, the A / V (audio / video) mute and subtitle characters are deleted for the program having the set grade. .

In addition, it introduces a channel blocking function that can block a specific channel itself.

The above problem is not only limited to the United States but also has guidelines for various types of sorting devices having the same basic purpose, although the functions implemented in the country or elsewhere are different.

Looking at the DTVs currently on the market, the function of blocking by grade using the grade information carried on the DTV signal is basically implemented, and in addition, it provides an external input lock function for various external inputs. .

To date, externally locked inputs include composite video, component video, RGB inputs, DVI / HDMI, and IEEE1394, and as the technology evolves and trends change, the number of external inputs increases.

However, the above-described conventional DTV has an electronic photo film (EPF) function. However, since the EPF function is not regarded as an external input, there is no problem to restrict harmful data coming into the EPF input. have.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problem, and a lock setting apparatus for a video display device, which enables a user to lock an EPF function in a lock function of a video display device so that only a user who has been authenticated can use the EPF function. The purpose is to provide a method.

In order to achieve the above object, the lock setting device of the video display device according to the present invention,

An image display device equipped with an electronic album function (EPF), comprising: a key input unit for a user to input a password for setting a request command and various operation commands and locks; A storage unit for storing a recorded program, a music file, a message input by a user, and a system program for an electronic album function, a lock setting function, and the like; And a controller configured to display a screen for setting a lock when the lock setting command is input through the key input unit, and to control a playback operation of the video display device according to the set lock password and lock setting information.

The lock setting function may include a function for setting a lock of an external input device including an electronic album function, a system lock function, a selected channel lock setting function, a password setting function, and the like.

In addition, the lock setting method of the video display device according to the present invention,

A method of setting a playback lock of a video display device, the method comprising: selecting a lock setting menu of the video display device; And selecting a lock setting of the electronic album function included in the lock setting of the external input device among the lock setting menus, and setting an item and a password for the lock setting to perform the lock setting.

The lock setting item of the electronic album function may include an image lock and an image lock.

Receiving a password when selecting the electronic album function of the locked video display device; And providing an electronic album function according to whether a set password is input.

When the set password is not input, the electronic album function is not provided.

As mentioned above, the apparatus and method for setting a lock of a video display device according to the present invention allow a separate lock setting for an EPF function that is not recognized as an external input so that harmful information is not exposed to children or adolescents. Hereinafter, an apparatus and method for setting a lock of an image display device will be described in detail with reference to the accompanying drawings.

However, in the following description of the present invention, a detailed description will be omitted for the known parts.

1 is a block diagram schematically illustrating an apparatus for setting a lock of a video display device according to an exemplary embodiment of the present invention.

Referring to FIG. 1, an image display device includes a tuner 100, a demodulator 110, a demultiplexer 120, an audio / video decoder 130, an audio processor 140, a video processor 140, and a controller 160. , A key input unit 170, and a storage unit 180.

The tuner 100 tunes a broadcast signal, and the demodulator 110 demodulates the signal tuned by the tuner 100 to correct an error and converts the signal into a transport stream.

The demultiplexer 120 demultiplexes the time multiplexed transport stream, i.e., separates video, audio, and additional information signal streams.

The audio / video decoder 130 expands / restores the video and audio signal sequences separated by the demultiplexer 120, and the audio processor 140 outputs the audio signal output from the audio / video decoder 130 through a speaker. Convert it to an analog audio signal whenever possible.

The video processor 150 converts the luminance and color signals to display the video signal output from the audio / video decoder 130 on the screen.

The storage unit 180 stores information input by a user, program guide related information, detailed information, and recorded programs and music. A program for a lock setting function is included among the programs stored in the storage unit 180.

The lock setting function includes a detailed function for setting a selected channel lock, a channel lock of a youth level or higher, and a lock setting for an external input device, and further configures an EPF lock function in a lock setting item for an external input device.

In addition, the EPF Lock feature adds an option menu that allows you to selectively set image, video, or audio locks.

The key input unit 170 receives a service and channel blocking command desired by the user.

The controller 160 controls operations of each unit of the image display device.

When a channel to block is input through the key input unit 170, the controller 160 blocks (locks) the channel so that it cannot be viewed.

The controller 160 outputs an authentication code input screen for viewing a blocked channel to the user, and releases the blocked channel when the user inputs a set password.

2 is a flowchart illustrating a method of setting a lock of a video display device according to an exemplary embodiment of the present invention, and FIG. 3 is a diagram illustrating an additional menu function according to the lock setting of the video display device of FIG. 2.

2 and 3, in order to set a lock in the video display device, the user selects a menu through the key input unit 170 (S201) and selects a lock setting (LOCK) (S202).

The menu is displayed on the screen by a program stored in the storage unit 180, as shown in FIG. 3A.

When you select a lock setting, various lock setting items are displayed, for example, Lock System, Set Password, Block Ch., Movie Rating, Youth Rating TV Settings. (TV Rating-Children), TV Rating-General, and External Input Lock Settings (Aux.Block; Auxiliary input Block).

According to an embodiment of the present invention, when the external input lock setting is selected for locking the EPF (S203), a list of external input devices is displayed as shown in FIG. 3B.

External input capable devices include Video 1 and 2, Component 1 and 2, RGB inputs, DVI and EPF.

If the EPF is selected for the lock setting of the EPF (S204), a screen as shown in FIG. 3C appears and allows the user to select an item to set the lock from among items of an image, moving, and picture.

If an item to be locked is selected in the EPF function (S205), a password is input for user recognition (S206).

In this case, the password input step may be specified in advance only one typical password through the password setting menu and apply the same to all lock settings, as shown in Figure 3a, it is also possible to set a different password according to each lock setting have.

If the user enters a password, the setting of the lock of the EPF function is completed (S207).

As described above, in order to use the EPF function of the locked video display device, authentication is possible using the set password.

4 is an operation flowchart for using an EPF function according to an exemplary embodiment of the present invention, and FIG. 5 is an exemplary view of a screen according to the use of the EPF function of FIG. 4.

4 and 5, in order to use the EPF function, the user first selects a menu (S401), selects an EPF function, and enters the EPF mode (S402).

In the EPF mode, a screen as shown in FIG. 5A is displayed.

In the EPF mode, when a user selects an image or a video and wants to play it, a password input window for user authentication appears as shown in FIG. 5B.

If the user inputs a password (S403) and the input password matches the set password (S404), the image or video is reproduced as shown in FIG. 5C by the EPF function (S405).

However, if the password input is wrong, a message indicating the authentication rejection is displayed (S406), to move forward to the menu or to display the password input window again.

The user can play the image or video only when the correct password is input.

The password input may be configured in various forms such as giving an opportunity to re-enter the password through a password input window a predetermined number of times, and when the password is exceeded, leaving the EPF mode.

Locking device and method of the image display device according to an embodiment of the present invention has a feature that can be set to lock the EPF function that was not recognized as an external device to more safely block harmful data from children or adolescents, It will be easy for those skilled in the art to properly understand the present invention to make another embodiment by selecting the components within the scope of the present invention.

The apparatus and method for setting a lock of a video display device according to the present invention as described above enables the lock function of an EPF function to be locked to the video display device so that only a user who has been authenticated can use the EPF function. It is more conducive to the blocking of harmful data.

Claims (6)

In the image display device equipped with an electronic album function (EPF), A key input unit for a user to input a password for setting a request command and various operation commands and locks; A storage unit for storing a recorded program, a music file, a message input by a user, and a system program for an electronic album function, a lock setting function, and the like; And A controller configured to display a screen for setting a lock when the lock setting command is input through the key input unit, and to control a playback operation of the video display device according to the set lock password and lock setting information; Lock setting device of the video display device comprising a. The method of claim 1, The lock setting function, A function for locking an external input device including an electronic album function, System lock function, Selected channel lock setting function and A lock setting device for a video display device including a password setting function. In the method of setting the playback lock of the video display device, Selecting a lock setting menu of the video display device; And Selecting a lock setting of the electronic album function included in the lock setting of the external input device among the lock setting menus, and setting an item and a password for the lock setting to perform the lock setting; Lock setting method of the video display device comprising a. The method of claim 3, wherein The lock setting item of the electronic album function may include an image lock and an image lock. The method of claim 3, wherein When the electronic album function of the locked video display device is selected, Receiving a password; And Providing an electronic album function according to whether or not a set password is entered Lock setting method of the video display device comprising a. The method of claim 5, The electronic album function is not provided when the set password is not input.

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