JPH08235759A - Disk reproducing device and pattern outputting method - Google Patents

Abstract

PURPOSE: To ensure the effect of parental processing by storing a reproducing state by releasing the parental processing by means of a prescribed key code and requesting the input of the key code for releasing again at the time of memory playing. CONSTITUTION: A recording medium of a parental processing standard is provided with two sets of stories and, only when a specified key code (password) for releasing parental processing is inputted from a key input part 2 at the time of reproduction, a screen released from the parental processing is reproduced. When a power source switch 3 is turned off during reproduction in a parental reproducing mode, a memory 5 stores the reproducing mode at that time and a reproducing position address. When the power source switch 3 is turned on next and the previous reproducing mode stored in the memory 5 is a reproducing mode released from the parental, a system control part 4 demands the re-input of a password for release. When an input from the key input part 2 is coincident with the password, reproduction released from the parental is started from the address position of the memory 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc reproducing apparatus such as an optical video disc player and a picture output method.

[0002]

2. Description of the Related Art In video media such as video tapes or video disks, the ethical nature of a work (story) often becomes a problem. That is, some movies in a specific field include many violent scenes, cruel scenes, obscene scenes, etc., but how much can this be shown to adolescents (infants)?

Therefore, in recent years, a technical measure has been taken in advance so as not to show a part or all of the above scene on a video tape or a video disk, and one of them is a parental process. is there.

In a video disc in which this parental processing is incorporated as a standard, the contents of the disc cannot be reproduced unless a key code peculiar to the disc is set in a player for reproducing the standard disc. Has become. The video disc parentalized in this way has a plurality of completely different stories (streams) as shown in FIG.
With A and B, the story is forcibly selected to one side by the parental instruction, and as shown in FIG. 3B, different stories C and D are developed from the middle of the story according to the parental instruction. However, there are some things that end up with the same story again.

By the way, in the video disc player, from the viewpoint of improving the input performance, when the power switch is turned off and then the power switch is turned on, the scene that was being played when the power switch was turned off last time is reproduced. Some have a memory play function to start.

Since this memory play function also works for the parentalized video disc, the continuation of the left-over image is unconditionally reproduced.

[0007]

However, in this case, for example, a parental movie that an adult was watching at night would be unconditionally seen only when the child turned on the next morning, and the original function of the parental function was lost. There was a problem that it would end up.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a disk reproducing apparatus and a picture output method capable of achieving both a memory play function and a parental function.

[0009]

In order to achieve the above object, a disk reproducing apparatus according to a first aspect of the present invention uses a video code recorded on a disk, which has been subjected to image output prohibition processing, by matching a secret code. In a disc reproducing apparatus for reproducing, a power switch for turning on / off the power of the apparatus main body, a storage unit for storing a picture output state and a reproduction position address when the power switch is turned off, and the power switch for turning on the power switch. If the confirmation means confirms the previous image output state from the storage means, and the result of the confirmation is that the image output prohibition was canceled due to the coincidence of the secret code, the image output prohibition state is maintained. And means for doing so.

According to a second aspect of the present invention, in the image output method for reproducing a video program recorded on a disc, which has been subjected to the image output inhibition process, by matching the secret code, when the power switch is turned off. The step of storing the image output state and the reproduction position address in the storage means, and the next time the power switch is turned on, the previous image output state is confirmed from the storage means. If it is confirmed that the image output prohibition has been released due to the coincidence, the step of maintaining the image output prohibition state is included.

Further, in the disc reproducing apparatus according to the third aspect, when the picture output prohibition setting flag is recorded in the video signal read from the disc, the secret code inputted from the key input portion and the preset code information. When the disc playback device has a function to release the image output prohibition, the power of the device is turned on.
A power switch that is turned off, a storage unit that stores the image output state and the reproduction position address when the power switch is turned off, and a previous image output state from the storage unit when the power switch is turned on is confirmed. When the confirmation means determines that the previous image output state is the image output prohibited state and the secret code has released the image output prohibited state, the confirmation means Means for urging the user to input a new personal identification code, and means for starting image output from the reproduction position address of the storage means when a new personal identification code is input from the key input section and coincides with preset code information. It is equipped with.

Further, in the image output method according to claim 4, when the image output prohibition setting flag is recorded in the video signal read from the disc, the secret code input from the key input unit and the preset code information. In the method of canceling the image output prohibition of the disc reproducing apparatus in which the image output prohibition state is released by the coincidence with the step of storing the image output state and the reproduction position address when the power switch of the apparatus main body is turned off, When the power switch is turned on next time, the previous image output state is confirmed from the storage means, and as a result of this confirmation, the image output previous state is the image output prohibited state, and the image output is performed by the secret code. If it is confirmed that the prohibited state has been released, the step of prompting the user to input a new personal identification code from the key input section and the step of inputting a new personal identification code from the key input section If a match with a set have the code information only, and a step of starting the image output from the reproduction position address of the storage means.

[0013]

According to the first and second aspects of the invention, when the program output prohibition of a certain program is released and the power switch is turned off during reproduction, and then turned on, the previous image output state stored in the storage means is confirmed. However, as a result of this confirmation, when it is confirmed that the image output prohibition was canceled and the reproducing operation was performed last time, the image output prohibition state is held.

That is, when the power switch is turned off during the reproducing operation according to the parental designation and then the power switch is turned on again, the parental designation mode is maintained.

Therefore, by the memory play function,
The parentalized video program will not be played carelessly.

According to the third and fourth aspects of the invention, when the power switch is turned off during the reproducing operation of the certain disc according to the image output prohibition canceling function, and the power switch is turned on again, the secret code is prompted again. , The image output is started from the reproduction position address only when the personal identification code is input and coincides with the preset code information.

That is, when the power switch is turned off during the playback operation according to the parental designation and then the power switch is turned on again, the parental designation mode is entered, the personal identification code is re-entered, and only when there is a match, the previous playback is performed. Image output starts from the end position. As described above, the memory play function and the parental function can be compatible with each other.

[0018]

Embodiments of the present invention will now be described in detail with reference to the drawings.

FIG. 1 is a diagram showing the structure of a disk reproducing apparatus according to an embodiment of the present invention.

In the figure, reference numeral 1 denotes an optical disk drive unit, which drives an optical disk and is equipped with an optical pickup and the like, and reads data from the optical disk. 2 is a key input section, key code (PIN code)
Is entered. A power switch 3 is turned on / off by the user. 4 is a system control unit,
In addition to controlling the above-mentioned respective parts, if the parental flag is attached to the header of the input data, parental control is performed. Also, the data is separated into video data and audio data. Reference numeral 5 denotes a memory, which stores code information for canceling the parental mode, a mode for reproducing data, address information, and the like. A video decoder 6 decodes and reproduces video data. An audio decoder 7 decodes audio data and reproduces it.

FIG. 2 is a diagram showing a data format of the optical disc.

As shown in the figure, on the optical disc, a header 21 is recorded at the beginning of the data, and thereafter, audio data 22 and video data 23 are recorded.

Further, the header 21 has a parental flag area 31 as a part of the format management information, and the necessity of parental control is judged depending on whether or not the parental flag exists in this area. For example, when a video program subjected to parental processing is recorded on the optical disc, the parental flag is set.

Next, the operation of the disc reproducing apparatus will be described with reference to the flowchart of FIG.

In this disc reproducing apparatus, when an optical disc is inserted into the optical disc drive unit 1 (step 301
), The recorded contents of the optical disc are fetched by the optical disc drive unit 1, and the header 21 is analyzed by the system control unit 4. Here, if the parental flag is set in the area 31 of the header 21 and it is a parental disc (Yes in step 302), the system control unit 4 enters the key code input mode and the key code reference request screen is displayed. It is output to a device or the like (step 303).

When the user inputs a key code from the key input unit 2, the input key code is stored in the memory 5 in advance.
The system control unit 4 checks (confirms) whether or not the code information matches the code information set in.

As a result of this confirmation, if the key codes do not match (No in step 304), the stream (story) other than the parental part, that is, the leading address of the non-parental part is set (step 305).

If the key codes match as a result of the above confirmation (Yes in step 304), the playback mode is set to the parental playback mode (step 306), and the contents of the disc, that is, the parentalized video program (parental playback program) is set. The start address of the rental part) is set (step 307), a program search is performed to that address (step 308), and the parental part is reproduced (step 309).
).

Then, the system control unit 4 stores the fact that the parental unit is being reproduced in the memory 5 (reproduction mode storage), and also sequentially stores the address being reproduced in the memory 5 (step 310).

Unless the power switch 3 is turned off by the user (No in step 311), the reproduction operation of the video program is performed, and when the program ends (step 312), stop processing is performed (step 313).
The playback operation of the video program ends.

On the other hand, when the user turns off the power switch, that is, when a power-off interrupt occurs (step
311 (Yes), the system control unit 4 remains in the standby state until the power switch is turned on next while keeping the reproduction mode at that time and the address of the last reproduction position stored in the memory 5.

When the user newly turns on the power switch (step 314), the system controller 4 reads the reproduction mode from the memory 5.

When it is confirmed (detected) that the reproduction mode read from the memory 5 is the parental reproduction mode, that is, the parental section is being reproduced (Yes in step 315).
), The system control unit 4 shifts to the key code input mode and the key code reference screen is displayed (step 316).
).

If a correct key code is input from the key input unit 2 (Yes in step 317), the memory 5
Address stored in (last playback position address)
Is set (step 318), the process moves to the search process of step 308, and disk reproduction is restarted from that position (memory play).

If the input key code is incorrect, memory play is not performed and another story is reproduced. In some cases, the stopped state may be maintained until the correct key code is entered.

As described above, according to the disc reproducing apparatus of the present embodiment, when the power switch 3 is turned off while the parentalized video program is being reproduced, the key code ( The secret code) is prompted, and the reproduction operation from the address position stored in the memory 5 is restarted only when the correct key code is input from the key input unit 2, so the original function of the parental memory is not lost. You can play.

That is, the memory play function and the parental function can be compatible with each other.

[0038]

As described above, according to the present invention, when the output inhibition of a certain disk is released and the power switch is turned off during the reproducing operation and then turned on, the previous output stored in the storage means is performed. If you check the image state and the previous image output state was released and the playback operation was stopped, the image output prohibited state is retained. It will not be played carelessly.

When the power switch is turned off and then turned on again, the secret code is prompted to be re-input, and only when the secret code is input and matches the preset code information, the image is output from the last reproduction position. Since it is restarted, memory play can be performed without losing the original function of the parental function.

As a result, the memory play function and the parental function can be compatible with each other.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of a disc reproducing apparatus according to an embodiment of the present invention.

FIG. 2 is a diagram showing a data format recorded on a video disc.

FIG. 3 is a flowchart showing the operation of this disc reproducing apparatus.

FIG. 4A is a diagram showing different stories reproduced by a conventional disc reproducing apparatus. (B) It is a figure which shows the story which a part reproduced by the conventional disc reproducing apparatus differs.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Optical disk drive part, 2 ... Key input part, 3 ... Power switch, 4 ... System control part, 5 ... Memory, 6 ... Video decoder, 7 ... Audio decoder.

Claims (4)

[Claims] 1. A disc reproducing apparatus for reproducing a video program recorded on a disc, which has been subjected to image output prohibition processing, by matching a secret code, and a power switch for turning on / off a power source of the apparatus body, and the power switch. Storage means for storing the image output state and reproduction position address when is turned off, confirmation means for confirming the previous image output state from the storage means when the power switch is turned on, The disc reproducing apparatus is characterized by further comprising means for holding the image output prohibition state when it is confirmed that the image output prohibition is released by the coincidence of the secret code and the image output is confirmed. 2. A picture output method for reproducing a video program recorded on a disc, which has been subjected to picture output prohibition processing, by matching a secret code, and a picture output state and a reproduction position address when a power switch is turned off. In the storage means, and when the power switch is turned on next, the previous image output state is confirmed from the storage means, and as a result of this confirmation, the image output prohibition is canceled last time by the coincidence of the secret code. When it is confirmed that the image output has been performed, the image output method is maintained. 3. When the image output prohibition setting flag is recorded in the video signal read from the disc, the image output prohibition state is set by the coincidence of the secret code input from the key input unit and the preset code information. In a disc reproducing apparatus having an image output prohibition releasing function to be released, a power switch for turning on / off a power source of the apparatus main body, and a storage unit for storing an image output state and a reproduction position address when the power switch is turned off A confirmation unit that confirms the previous image output state from the storage unit when the power switch is turned on; and the previous image output state is the image output prohibited state by the confirmation unit; When it is confirmed that the image output prohibition state has been released, means for urging the user to input a new personal identification code from the key input section, Personal identification code is entered, if they match the code information set in advance, the disk reproducing apparatus characterized by comprising a means for starting the image output from the reproduction position address of the storage means. 4. When the image output prohibition setting flag is recorded in the video signal read from the disc, the image output prohibition state is set by the coincidence of the secret code input from the key input unit and the preset code information. In the image output method to be released, a step of storing the image output state and the reproduction position address when the power switch of the apparatus main body is turned off in the storage means, and the storage means when the power switch is turned on next. From the above, the previous image output state is confirmed, and as a result of this confirmation, when it is confirmed that the previous image output state is the image output prohibited state and the password has been released from the image output prohibited state, the The step of urging the user to input a new personal identification code from the key input unit, and only when the new personal identification code is input from the key input unit and matches the preset code information, the memory is stored. A step of starting image output from the reproduction position address of the means.