CN1103995C - Method for resetting password using disk and disk system adopting the same - Google Patents

Abstract

Translated fromChinese

一种使用盘重新设置口令的方法及采用该方法的盘系统。仅当播放记录重新设置数据的特定盘时，盘系统才重新设置存储在该盘系统的存储口令。该方法和系统要求播放特定的盘，并判断重新设置数据是否记录在该要求播放的盘上。当重新设置数据记录在播放的盘时，允许重新设置存储在盘系统的口令。一演示盘用作记录重新设置数据的盘。

A method for resetting a password using a disk and a disk system using the method. The disk system resets the storage password stored in the disk system only when playing a specific disk recording reset data. The method and system require a specific disc to be played and determine whether reset data is recorded on the disc requested to be played. Allows to reset the password stored in the disk system when resetting the data recorded on the playing disk. A demo disc is used as a disc for recording reset data.

Description

The method of utilization dish resetting password and adopt the disc system of this method

The present invention relates to digital multi-purpose disk (DVD) system, relate in particular to a kind of password of storage of resetting with method that changes this password and the disc system that adopts this method.

Recently, as the recording medium of future generation that can substitute traditional video tape and compact disk (CD), DVD has caused the public's attention.Compare with CD, DVD can store mass data, and dvd system provides traditional irrealizable various functions of recording medium.For example, be divided into video titledistrict VTS # 1～VTS # N, wherein comprise adult's management information table PTL_MAIT that can determine the film grade according to the DVD video area of DVD-video format.When the registration adult level, dvd system is only reset in play mode and is lower than the picture of predetermined level.Like this, because this restriction comprises the film grade of ultraviolence picture or serious pornographic picture.Therefore can not show the picture that children are harmful at home.

Process flow diagram and Fig. 2 with reference to Figure 1A, 1B will describe the conventional method of registering adult level.Fig. 2 represents the scene of the screen display (OSD) that each step of Figure 1A, 1B provides for the user.

When the user whenstep 111 is selected the adult level enrollment mode, dvd system is represented current adult level enrollment mode by the picture of the `OSD1 ' of displayed map on monitor 2.Then, dvd system judged whether to store be not equal to ' 0000 ' password.If stored be not equal to ' 0000 ' password, instep 112, dvd system shows on monitor whether inquiry changes the information of password of storage.When input does not change the keying signal of password, show the picture of the `OSD4 ' of the Fig. 2 that allows input one password in step 113.When importing a password by the user, instep 114, dvd system judges whether the password of input is the same with the password of storage.

Instep 114, when two passwords are identical, that is, and when the qualified change adult level of definite user, in the national code tabulation of the `OSD2 ' picture ofstep 115 displayed map 2.Because each country is generally different about the standard of violence or pornographic picture, before determining adult level, should determine at first that whether this adult level is received by the standard of any country.If the user imports a national code, the national code of input is stored in the interior relevant parameter of systematic parameter.Then, in the rank list of the `OSD3 ' picture ofstep 116 displayed map 2.Eight grades of common examples dividing the film grade are used in the `OSD3 ' expression of Fig. 2.Select signal by user's input rank, the class stores of input is in the relevant parameter of systematic parameter.

Instep 111, storage be not equal to ' 0000 ' the situation of password, mean and register grade for the first time.At this moment, dvd system execution in step 117, the picture of the `OSD4 ' of displayedmap 2 on monitor.When the user entered password, dvd system execution in step 118 was then returnedstep 115 with the password of storage input.

Simultaneously, import the keying signal of notifying changed this password by the user instep 112, dvd system is reset the information of data to reset the password of storage in step 119 output request, then the data of resetting have been judged whether to import in step 120, if judge the data of having imported request in step 120, just at the `OSD4 ' picture of step 121 displayedmap 2 so that the password of reception user new demand.When user's enter new password, execution in step 118.

Whenstep 114 determines that the password of input is not equal to the password of storage, dvd system execution in step 122 is come the error message of the `OSD5 ' picture of displayedmap 2.

As mentioned above, when registration one adult level, the registrant generally uses his password.Yet, forget him the registrant/herself password or this password reveal under the situation to other people, can not change the grade of registration.

For solving top problem, an object of the present invention is to provide a kind of method that is reset at the password of storing on the particular plate.

Another object of the present invention provides the disc system that can implement top method.

For realizing above-mentioned purpose of the present invention, a kind of method of resetting the password that is stored in disc system is provided, this method may further comprise the steps:

(a) specific dish is play in request;

(b) judge according to the request of step (a) whether the data of resetting are recorded on the particular plate that will play;

(c) when when step (b) determines that the data of resetting are recorded on the specific dish, allow to reset the password that is stored in disc system.

For realizing another object of the present invention, a kind of disc system is provided, it comprises:

One keying input block;

Replay device is used for the information of playback of recorded on loading disc; With

One controller, be used to respond the specific dish of request signal request broadcast by the resetting password of keying input block input, and the request signal according to resetting password is recorded under the situation of the dish of being reset by replay device in the data of resetting, and allows to reset the password that is stored in disc system.

Below with reference to accompanying drawing the preferred embodiments of the present invention are described, wherein:

Figure 1A and 1B are used for explaining the process flow diagram that can register and/or change the method for adult level at general dvd system;

Fig. 2 is illustrated in Figure 1A, offers user's screen display (OSD) picture state in each step of 1B;

Fig. 3 is the schematic representation of apparatus of resetting of expression resetting password according to the present invention;

Fig. 4 is a process flow diagram of explaining the method for resetting password according to the present invention;

Fig. 5 is illustrated in screen display (OSD) picture state that offers the user in each step of Fig. 4.

To describe the preferred embodiments of the present invention in detail below with reference to Fig. 3 to Fig. 5.

The invention provides a kind of part that dotted line marked, that is, reset the part of the password of storage, the method for use dish at Figure 1B.When the user buys dvd system, provide the demonstration board of the password that is used to reset storage.Therefore, the user needn't buy the dish of the separation that is used for resetting password.Make demonstration board and write down dish and other particular data of commercial panel that to make with other companies.The dvd system of making only makes it carry out the operation of the resetting password that requires when using demonstration board.

As shown in Figure 3, dvd system according to a preferred embodiment of the invention comprises thekeying input block 31 that is made of telepilot and key array.This device also comprises having the signal processor that readssignal 34 that reads the tray salver (Deck) 33 of the optical head of signal and be used to reset and export from the optical head oftray salver 33 fromdish.System controller 32 is connected to keyinginput block 31, with keying signalcontrol tray salver 33 and thesignal processor 34 of response from keying input block 31.Screen display unit 35 is connected tosystem controller 32, is used for being created in the OSD character that monitor 36 shows according to the control ofsystem controller 32.

The operation of Fig. 3 device that constitutes below with reference to Fig. 4 and Fig. 5 detailed description.

Fig. 4 is the operational flowchart of explaining according to resetting password of the present invention, and Fig. 5 is illustrated in the figure that offers user's on-screen displays state in each step of Fig. 4.

The example of the dvd system of Fig. 3 uses demonstration board to carry out the operation of resetting password, the binary bit value `1111 ' that wherein is provided with on 13 byte to the 15 bytes part in VMGI_MAT zone of the demonstration board of being made by Samsung company limited resets data, and which will be described below.

In thestep 112 of Fig. 1, when when the 31 input requests of keying input block change the keying signal of password, in step 410, the picture ofsystem controller 32control OSD unit 35 `OSD6 ' of displayedmap 5 on monitor 36.According to the tutorial message that is presented in step 410 on themonitor 36, the user inserts demonstration board and operateskeying input block 31 to play demonstration board at tray salver 33.Under the control ofsystem controller 32, response is from the keying signal ofkeying input block 31, andtray salver 33 uses the optical head (not shown) to read signal from the specific record position of loading disc.Here, the position of reading signal is password change place that data reset in record on it, promptly above-mentioned VMGI_MAT district.The signal thatsignal processor 34 is reset and read by tray salver 33.System controller 32 judges whether the signal of resetting throughsignal processor 34 is the data of resetting (step 420) that are recorded in the Samsung demonstration board just.Binary bit value at the signal of being reset by 13 byte to 15 bytes in VMGI_MAT zone is under the situation of `1111 ', andsystem controller 32 is defined as the Samsung demonstration board with loading disc.When definite loading disc was the Samsung demonstration board, the `MENU ' picture ofsystem controller 32control OSD unit 35 displayedmap 5 onmonitor 36 was so that allow to change password.Then,system controller 32 request users select to change the item (step 430) of password at menu screen.When the user when keyinginput block 31 selects passwords to change,system controller 32 will be stored in the password of system storage (not shown) and remove, to receive new password (step 440).In step 450,system controller 32control OSD unit 35 are at the `OSD4 ' picture ofmonitor 36 displayed map 2.Then, the user is through the password ofkeying input block 31 inputrequirements.System controller 32 execution in step 118 and with the input password be stored in the system storage (not shown).

As mentioned above, the invention provides the disc system of method and this method of employing of use dish resetting password.

Described the embodiment that the present invention determines although this paper has been specific, under the situation of not leaving the spirit and scope of the present invention, obviously can make multiple modification it.

Claims (18)

Translated fromChinese

1.一种用于重新设置存储在盘系统的口令的方法，该方法包括以下步骤：1. A method for resetting a password stored in a disk system, the method comprising the steps of:(a)请求播放特定的盘；(a) Request to play a specific disc;(b)根据步骤(a)的请求判断重新设置的数据是否记录在要播放的特定盘上；(b) judging according to the request of step (a) whether the reset data is recorded on the specific disc to be played;(c)在步骤(b)当确定重新设置的数据记录在特定的盘上时，允许重新设置存储在盘系统的口令。(c) In the step (b) when it is determined that the reset data is recorded on the specific disc, allowing the password stored in the disc system to be reset.2.根据权利要求1所述的重新设置口令的方法，其中记录所述重新设置数据的特定盘为演示盘。2. The method of resetting a password according to claim 1, wherein the specific disk on which the resetting data is recorded is a demo disk.3.根据权利要求1所述的重新设置口令的方法，其中允许重新设置口令，用于改变数字多用途盘(DVD)系统中的成人级别。3. The method of resetting a password according to claim 1, wherein password resetting is allowed for changing an adult level in a digital versatile disc (DVD) system.4.根据权利要求1所述的重新设置口令的方法，其中所述步骤(a)请求播放演示盘。4. The method for resetting a password according to claim 1, wherein said step (a) requests to play a demo disc.5.根据权利要求4所述的重新设置口令的方法，其中所述步骤(a)通过一显示器请求播放演示盘。5. The method for resetting a password according to claim 4, wherein said step (a) requests to play a demo disk through a display.6.根据权利要求5所述的重新设置口令的方法，其中所述步骤(a)经屏幕显示请求播放演示盘。6. The method for resetting a password according to claim 5, wherein said step (a) requests to play a demo disk via a screen display.7.根据权利要求1所述的重新设置口令的方法，其中所述步骤(b)包括以下子步骤：7. The method for resetting a password according to claim 1, wherein said step (b) comprises the following sub-steps:(b1)响应步骤(a)的请求重放记录在加载盘的特定位置的信号；(b1) replaying the signal recorded at the specific location of the loaded disc in response to the request of step (a);(b2)判断在步骤(b1)重放的信号是否是重新设置数据。(b2) It is judged whether the signal reproduced in step (b1) is reset data.8.根据权利要求1所述的重新设置口令的方法，其中所述步骤(c)包括请求改变存储的口令的子步骤。8. The method of resetting a password according to claim 1, wherein said step (c) includes a sub-step of requesting a change of a stored password.9.根据权利要求8所述的重新设置口令的方法，其中所述步骤(c)经一显示器请求改变存储的口令。9. The method for resetting a password according to claim 8, wherein said step (c) requests to change the stored password via a display.10.根据权利要求9所述的重新设置口令的方法，其中所述步骤(c)经屏幕显示请求改变存储的口令。10. The method for resetting a password according to claim 9, wherein said step (c) requests to change the stored password via a screen display.11.一种实施权利要求1所述方法的盘系统，包括：11. A disk system implementing the method of claim 1, comprising:一键控输入单元；One key input unit;重放装置，用于重放记录在加载盘上的信号；playback means for replaying the signal recorded on the loading disc;一控制器，用于响应经所述键控输入单元输入的重新设置口令的请求信号请求播放特定盘，在重新设置数据记录在由重放装置重放的盘的情况下，根据重新设置口令的请求信号允许重新设置存储在盘系统的口令。a controller for requesting playback of a specific disk in response to a request signal for resetting a password input through said key input unit, in the case of resetting data recorded on a disk reproduced by a reproducing device, according to the reset password The request signal allows to reset the password stored on the disk system.12.根据权利要求11所述的盘系统，其中记录所述重新设置数据的所述盘为演示盘。12. The disk system according to claim 11, wherein said disk on which said reset data is recorded is a demo disk.13.根据权利要求11所述的盘系统，其中所述盘系统用于改变数字多用途盘(DVD)系统的成人级别。13. The disc system of claim 11, wherein the disc system is for changing an adult level of a Digital Versatile Disc (DVD) system.14.根据权利要求11所述的盘系统，其中所述控制器根据重新设置口令的请求信号请求播放演示盘。14. The disk system according to claim 11, wherein the controller requests playback of the demo disk according to a password reset request signal.15.根据权利要求14所述的盘系统，其中所述显示器显示播放演示盘的请求信号。15. The disk system of claim 14, wherein the display displays a request signal to play a demo disk.16.根据权利要求15所述的盘系统，其中所述显示器经屏幕显示显示播放演示盘的请求信号。16. The disk system according to claim 15, wherein said display displays a request signal to play a demo disk via a screen display.17.根据权利要求11所述的盘系统，其中所述显示器显示改变存储的口令的请求信号。17. The disk system according to claim 11, wherein the display displays a request signal to change the stored password.18.根据权利要求17所述的盘系统，其中所述显示器经屏幕显示显示改变存储的口令的请求信号。18. The disk system according to claim 17, wherein said display displays a request signal for changing the stored password via a screen display.

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