JP3094732U - Optical disc playback device - Google Patents

Abstract

(57) [Summary] [Problem] It is not necessary for a user to register a password, and when setting or changing a parental level, a parental lock is released without an input operation by the user to set or change the parental level. Provided is an optical disk reproducing apparatus that can be easily manufactured. SOLUTION: An optical disk for releasing a parental lock is set in a disk driver 9, and disk identification information is read from the optical disk by a CPU 2 and registered in a memory 5. When the parental level is set or changed on the device side, the parental lock release optical disk is set in the disk driver 9, and the read disk identification information is compared with the disk identification information registered in the memory 5, When the two match, the parental lock is released. As a result, the parental level on the device side can be set or changed.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention relates to an optical disc reproducing apparatus for reproducing information recorded on an optical disc, In particular, an optical disc replay that has a parental function that restricts viewing of information on the optical disc. Regarding raw equipment.

[0002]

[Prior art]

  In recent years, optical discs such as DVDs (digital versatile disks) are becoming popular. Digitally compressed video information and audio information are recorded on this DVD. By the way, the movies recorded on DVD include violent scenes and obscene scenes. Often includes scenes that are not desirable for children's education. So close For some years, such scenes with educational problems are There are restrictions on viewing restrictions. This kind of regulation is called parental, and DVD Optical discs such as these have parental levels preset to restrict viewing based on the content Has been done.

[0003]   On the other hand, in an optical disc reproducing device for reproducing information on an optical disc such as a DVD, It has a parental function that limits the playback of disc information and is set by the user. The parental level of the device is stored in memory. For example, Parental Level There are 1, 2, 3, 4, 5, 6, 7, 8 levels in order from the lowest If the parental level is set to 5, the optical disc parental level Information of 5 or less can be reproduced, but information of parental levels 6, 7, and 8 can be reproduced. You can't do it. The parental level of the device depends on the user You can make any settings by operating the remote control of the playback device. It has become so. In addition, when changing the parental level of the device, Enter the PIN code consisting of a series of several digits registered in advance as a password into the device, The parental lock is released and the parental level is changed.

[0004]   For example, in the conventional technique described in Patent Document 1, information necessary for user authentication processing And parental level information for setting the parental level for each user Registration means for registering user information, and the above-mentioned method when reproducing the digital image information. The parental level is set based on the parental level information registered in the registration means. Adapts the setting means to be set and the parental level set by the setting means And a control means for executing reproduction control of the digital image information, Has realized Noh.

[0005]

[Patent Document 1]         Japanese Patent Laid-Open No. 11-150707

[Patent Document 2]         JP, 9-146845, A

[0006]

[Problems to be solved by the device]

  By the way, in the related art of Patent Document 1, information necessary for user authentication processing ( The password is registered in the card-type storage media device by the registration means, and the When setting or changing the parental level of the playback device, A) Set the device in the optical disk playback device, check the user authentication, and then The parental lock is released and the parental level is set or changed.

[0007]   However, in the above-mentioned conventional technique, the user operates the remote control or the like to set the password. Since the password is registered, the password registration operation is troublesome. Memorize and unlock parental lock when setting or changing parental level In order to do this, a card-type storage media device is required separately. The configuration of connecting storage media devices complicates the device configuration and processing, Tends to be up.

[0008]   In the prior art of Patent Document 2, the data stored in the EEPROM is kept as it is. Since it is used as a password, it is necessary for the user to register the password. No longer needed, but unlock parental lock when setting or changing parental level In order to do this, the user must operate the remote control etc. to enter the password. Therefore, the password input operation is troublesome.

[0009]   The present invention has been made to solve the above problems, and requires a user There is no need to register the password, and the parental level is not required when setting or changing the parental level. The internal lock can be released without user input and the parental level can be set. Provided is an optical disk reproducing device having a parental function that can be easily changed. aimed to.

[0010]

[Means for Solving the Problems]

  In order to achieve the above object, the invention of claim 1 is such that the user unlocks the parental lock. The optical disk selected to remove the Disc for identifying the parental lock release optical disc itself The discrimination information is read from the optical disk for releasing the parental lock to read the parental lock. Password registration means for registering in the memory as the unlock password, and the device side When setting or changing the parental level of The disc identification information read by setting the disc and registered in the memory. The disc identification information is compared, and if they match, the parental lock is released. Rental lock release means or operation means after the parental lock is released Set or change the parental level of the device according to the instructions from Set the parental level setting means to remember and the optical disk to watch and play Device side stored in the memory and the parental level of the optical disc The parental level of the optical disk is compared with the parental level of Only the information below the rental level can be played back from the optical disc And a parental level comparison means for outputting a parental control signal for Provided is an optical disk reproducing device characterized by comprising a reproduction control section.

[0011]   In the optical disc reproducing apparatus having this configuration, the optical disc for parental lock release Is set, the disc identification information is read from the optical disc, and the password and Then, it is registered in the memory. When setting or changing the parental level on the device side The optical disc for unlocking the parental lock is set and read out. The separate information and the disc identification information registered in the memory are compared, and both are unified. The parental lock is released when you do. After this, follow the instructions from the operating means. The parental level on the device side is set or changed and stored in the memory. When the optical disc to be viewed is set and played back, the The digital level and the parental level of the device stored in the memory are compared. And the parental level of the optical disc is below the parental level of the device. Only information is reproduced from the optical disc.

[0012]   Therefore, according to the invention of claim 1, the optical disk for releasing the parental lock is provided. Since the password is used, there is no need for the user to register the password, and When setting or changing the rental level, the parental lock is It can be canceled without input operation, making it easy to set or change the parental level.

[0013]   The invention of claim 2 is the optical disc selected by the user to unlock the parental lock. The disc is used as an optical disc for parental lock release, and the optical disc for parental lock release is set. Register the disc identification information of the disk as the password for unlocking the parental lock. When setting or changing the parental level on the device side, unlock the parental lock Set the optical disc for reading and read the disc identification information and the registered information. Compare the disc discriminating information, and when both agree, unlock the parental lock, It is equipped with a playback control unit that allows setting or changing the parental level on the device side. There is provided an optical disc reproducing apparatus characterized by the following.

[0014]   Therefore, according to the invention of claim 2, the optical disk for releasing the parental lock is provided. Since the password is used, there is no need for the user to register the password, and When setting or changing the rental level, the parental lock is It can be canceled without input operation, making it easy to set or change the parental level.

[0015]   In the invention of claim 3, the playback control unit is configured to release the set parental lock. Disc discriminating information for discriminating the optical disc itself for the parental lock Read it from the removable optical disk and write it as a password for unlocking the parental lock. When registering the password registration means and the parental level on the device side or At the time of change, the disc read out by setting the optical disk for parental lock release is read. The disc discrimination information and the disc discrimination information registered in the memory are compared to each other. Parental lock release means for releasing the parental lock when they match, and the parental lock After the rental lock is released, follow the instructions from the operating means and And a parental level setting means for setting or changing the level and storing it in the memory. , Parentalize the optical disk when setting and playing the optical disk for viewing Compare the level with the parental level on the device side stored in the memory Only information whose optical disc parental level is equal to or lower than the parental level of the device is applied. Outputs a parental control signal for enabling reproduction from the optical disc. Since it has a parental level comparison means, the parental lock selected by the user The parental lock can be unlocked using the unlocking optical disc, and the parental lock on the device side can be unlocked. The bell can be easily set or changed.

[0016]

[Embodiment of device]

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. Figure 1 FIG. 1 is a block diagram showing a configuration of an optical disc reproducing device according to an embodiment of the present invention. This optical disk reproducing apparatus includes a reproduction controller 1, an input / output controller 6, an operation unit 7, a timer. 8, a disk driver 9, and a remote controller (remote controller) It The input / output control unit 6 includes a reproduction control unit 1, an operation unit 7, a timer 8, and a disc. A driver 9 is connected, and the video sound reproduced by this optical disk reproducing device When converting the voice signal to video and audio, output the video and audio from a television receiver, etc. The force device 11 is connected to the input / output control unit 6.

[0017]   The reproduction control unit 1 controls a CPU 2 that controls the entire apparatus and data necessary for processing by the CPU 2. RAM3 for temporarily storing data and CPU2 for controlling the entire apparatus The flash memory 4 in which the control program is stored and information about parental And a parental memory 5 for storing.

[0018]   The CPU 2 uses the optical disk selected by the user to release the parental lock. The optical disk for releasing the parental lock, and the set parental lock The disc identification information for identifying the removal optical disc itself is the parental lock. Read it from the unlocking optical disc and use it as a password to unlock the parental lock. Password registration means 21 to be registered in the rental memory 5, and the device side parental Set the optical disk for parental lock release when setting or changing the level Then, the read disc identification information and the data registered in the parental memory 5 are read. The disc that compares the disc identification information and when both agree, the parental lock is released. Central lock releasing means 22 and the operation unit 7 after the parental lock is released. Or set the parental level on the device side according to the instruction from the remote control or Parental level setting means 23 for changing and storing in parental memory 5, and viewing Parental level of the optical disc when setting and playing the optical disc And the parental level on the device side stored in the parental memory 5 are compared. Information that the parental level of the optical disc is less than or equal to the parental level of the device Parental control signal to enable playback of only data from the optical disc And a parental level comparing means 24 for outputting.

[0019]   The operation unit 7 has a plurality of keys, and when a key is operated, the operated key is touched. It outputs the corresponding electrical signal and also receives the optical signal from the remote control 10 by key operation. When receiving the signal, the optical signal is converted into an electric signal and the electric signal is output. Is made. The timer 8 is a circuit for generating current time and time information. It The disk driver 9 drives the optical disk to rotate, and optically drives the optical disk. Information is read out.

[0020]   Next, referring to the flowchart shown in FIG. A process of registering disc identification information according to the present invention will be described. The disc identification information Is TOC (table of contents) information and ID information recorded on the optical disc Say

[0021]   Select the optical disk that the user has selected to unlock the parental lock. An optical disc for unlocking. That is, this optical disk for parental lock release Set the optical disk A as the key, and set this optical disk A in the disk driver 9. Yes (step S1). Then, in the disk driver 9, the optical disk A The information read by the optical system by being rotationally driven is reproduced through the input / output control unit 6. It is input to the CPU 2 in the control unit 1, and the disc identification information in this information is the password. It is registered in the parental memory 5 by the registration unit 21 (step S2). By such processing, the disc identification information of the optical disc A is released as the parental lock release. The password for removal is registered in the parental memory 5.

[0022]   Next, referring to the flowchart shown in FIG. The parental level changing process will be described. The parental level on the device side is The user operates the operation unit 7 or the remote controller 10 in advance to write the data in the parental memory 5. It is assumed to be remembered.

[0023]   Here, when changing the parental level, the operation unit 7 or the remote controller 10 The parental change menu is operated (step S3). And a certain light Set the disk X to the disk driver 9 and use the disk driver 9 to The information of the optical disc X is read from the reproduction control unit 1 based on the information. The discriminating information is acquired (step S4), and the disc discriminating information and the parent Compare the disc identification information registered in the memory 4 for digital The comparison is performed by the stage 24 (step S5).

[0024]   If the result of the comparison shows that they are not the same, the optical disk X is not a key disk. An error indication to the effect is displayed on the display screen of the video / audio output device 11 (step S7), if both are the same, the optical disc X is the key for unlocking the parental lock. Since it is the optical disc A which is a disc, the parental lock releasing means 22 The parental lock of the device is released and the screen for changing the parental level is displayed. It is displayed on the display screen of the image / audio output device 11 (step S8). This allows you to Since the parental level of the unit can be changed, the user can operate the operation unit 7 or remote control. Operate 10 to change the parental level, and the changed parental level is It is stored in the parental memory 5 by the parental level setting means 23 (step Up S8). This completes the change of the parental level on the device side.

[0025]   Next, referring to the flowchart shown in FIG. The reproduction process will be described. Set the optical disc you want to watch in the disc driver 9. When playback is performed (step S9), the parental control of the CPU 2 in the playback control unit 1 is performed. The level comparing means 24 determines the parental level of the optical disc and the parental media. Compare the parental level of the device stored in memory 5 and The parental level of the device whose parental level is stored in the parental memory 5 If it is below the bell, normal reproduction is performed (step S11).

[0026]   Meanwhile, the parental level of the optical disc is stored in the parental memory 5. If the parental level of the device being used is exceeded, playback with parental control is performed (step Up S12). For example, 1, 2, 3, 4, in descending order of parental level There are 5, 6, 7, and 8 levels, and the parental level of the device is set to 5. In this case, information of parental level 5 or lower is reproduced on the optical disc, but the parent Information at the level 6, 7, and 8 cannot be reproduced. That is, the optical disc is viewed Playback is limited.

[0027]   The optical disk A, which is the key disk for releasing the parental lock, is Even when changing the discrimination information (password), the parental lock is not released. Will be needed.

[0028]   According to this embodiment, the optical disk selected by the user can be used as an optical device for unlocking the parental lock. It is used as a disc and the disc identification information read from the optical disc is used as a password. Since it is registered as a password, the user does not need to register the password, You can also set or change the parental level by setting the optical disc. Sometimes the parental lock can be released, so there is no need for the user to enter the password. It can be canceled with and the parental level can be easily set or changed.

[0029]

[Effect of device]

  As described above, according to the present invention, the optical disk for parental lock release is set. Then, the disc identification information is read from the optical disc and stored as a password in the memory. The password registration operation by the user is not necessary. Also, When setting or changing the parental level on the device side, unlock the parental lock Optical disc is set, and the disc identification information read and registered in the memory The disc identification information that has been recorded is compared, and when they match, the parental lock The password is released, so it can be released without the user having to enter the password. It becomes easy to set or change the total level.

[0030]   According to the invention of claim 2, the user has selected to unlock the parental lock. The optical disc is used as an optical disc for parental lock release, and the parental lock is released. Disc identification information of the optical disc as a password for unlocking the parental lock Register and register the parental lock when setting or changing the parental level on the device side. The disc discriminating information read out by setting the optical disc for unlocking is registered with the disc discriminating information. Compared with the disc identification information that is present, when both agree, the parental lock is released In addition, it has a playback controller that allows you to set or change the parental level on the device side. This eliminates the need for the user to register the password, and the device side password When setting or changing the rental level, the optical device for unlocking the parental lock should be used. You can use the disk to unlock the parental lock, and It can be canceled without inputting the password, making it easy to set or change the parental level.

[0031]   According to a third aspect of the present invention, the reproduction control unit is configured with a set parental lock. The disc discrimination information for discriminating the release optical disc itself is provided as the parental lock. As a password for unlocking the parental lock by reading from the optical disc for unlocking When setting the password registration means to register in the memory and the parental level on the device side. Or when the optical disc for parental lock release is set and read out when changing Compare the disc identification information with the disc identification information registered in the memory, and Parental lock release means to release parental lock when people match After the parental lock is released, follow the instruction from the operating means and Parental level setting procedure for setting or changing the internal level and storing it in the memory. When you set and play the optical disc to be viewed, The tar level and the parental level of the device stored in the memory are compared. Information that the parental level of the optical disc is less than or equal to the parental level of the device Parental control signal to enable playback of only data from the optical disc Since it has a parental level comparing means for outputting The parental lock can be released using the optical disc for unlocking The total level can be easily set or changed.

[Brief description of drawings]

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

FIG. 2 is a flowchart illustrating a disc identification information registration process in the optical disc reproducing apparatus according to the embodiment of the present invention.

FIG. 3 is a flowchart illustrating a parental level changing process in the optical disc reproducing apparatus according to an embodiment of the present invention.

FIG. 4 is a flowchart illustrating a reproduction process in the optical disc reproducing apparatus according to the embodiment of the present invention.

[Explanation of symbols]

1 Playback control section 5 Parental memory 21 Password registration method 22 Parental lock release means 23 Parental level setting means 24 Parental Level Comparison Means

Claims (3)

[Scope of utility model registration request] 1. A parental function for restricting viewing,
In an optical disc reproducing apparatus for reproducing information recorded on an optical disc, the optical disc selected by the user for releasing the parental lock is used as an optical disc for parental lock release, and the set optical disc for parental lock release itself is discriminated. And a password registration means for reading the disc identification information for reading from the optical disc for parental lock release and registering it in the memory as a password for parental lock release, and the parental lock release when setting or changing the parental level on the device side. Optical disc for optical disc is set, the disc discrimination information read out is compared with the disc discrimination information registered in the memory, and when the both coincide, the parental lock releasing means for releasing the parental lock, and the parental lock. Operation means after is released And a parental level setting means for setting or changing the parental level on the apparatus side and storing it in the memory according to the instructions from the above, and a parental level of the optical disc and the memory stored in the memory when the optical disc to be viewed is set and reproduced The parental level of the optical disc is compared with the parental level of the optical disc, and the parental control signal for outputting only the information whose parental level of the optical disc is equal to or lower than the parental level of the optical disc is output from the optical disc. An optical disk reproducing apparatus comprising a reproduction controller having a parental level comparing means. 2. A parental function for restricting viewing,
In an optical disc reproducing apparatus for reproducing information recorded on an optical disc, an optical disc selected by a user for releasing a parental lock is used as an optical disc for parental lock release, and the disc identification information of the optical disc for parental lock release is parented. It is registered as a password for unlocking, and when the parental level on the device side is set or changed, the optical disc for parental lock release is set and the read disc identification information and the registered disc identification information are set. An optical disk reproducing apparatus comprising a reproduction control unit that unlocks the parental lock when both are compared and makes it possible to set or change the parental level on the apparatus side. 3. The reproduction controller reads disc identification information for identifying the set optical disk for parental lock release from the optical disk for parental lock release and stores it in a memory as a password for parental lock release. The password registration means for registering, the disc discrimination information set and read out of the optical disc for parental lock release when setting or changing the parental level on the device side, and the disc discriminating information registered in the memory. The parental lock releasing means for releasing the parental lock when both are compared and the parental lock is released, and the parental level of the device side is set or changed according to the instruction from the operating means after the parental lock is released and stored in the memory. Parental level setting means and the optical disc to be viewed. When playing and playing, the parental level of the optical disc is compared with the parental level of the device stored in the memory, and only the information that the parental level of the optical disc is less than or equal to the parental level of the device is displayed. 3. The optical disc reproducing apparatus according to claim 2, further comprising a parental level comparing means for outputting a parental control signal for enabling reproduction from the optical disc.