KR20180077074A - Management system and method related to 4d and attraction code for limiting authority of use - Google Patents

Abstract

Various embodiments of the present invention provide a mechanism for adding a DRM KEY file to a 4D code corresponding to a predetermined content to encrypt and decrypt the DRM KEY or encrypting and adding the DRM license file and the DRM information file to an attraction code to encrypt and decrypt them, and synchronizing the decoded 4D code or the attraction code with a corresponding content and operating it. Accordingly, the embodiments of the present invention can restrict and protect the authority of use for the indiscriminate 4D code or the attraction code, thereby increasing the profit of a business operator. A 4D and attraction code management system includes a 4D code server and a displaying server.

Description

TECHNICAL FIELD [0001] The present invention relates to a 4D and attraction code management system and method for limiting usage rights,

Various embodiments of the present invention are directed to a system and method for restricting usage rights of additional software associated with content.

In recent years, screening facilities, which is a space where movie contents can be diversified and appreciated, have been greatly developed. In particular, the operators operating many screening facilities are increasing the number of 4D screening facilities that add physical effects to 3D stereoscopic images, or attraction screening facilities to maximize motion and environmental effects.

However, in the past, when an encrypted digital cinema package was distributed from a video content distributor, it is illegal to use the 4D code or the attraction code for providing the 4D effect and / or the motion effect to the audience There is a problem that the movie software is not properly protected because it is often used increasingly.

Korean Patent Publication No. 1204-0001364, published on January 07, 1204, entitled " Encryption / Decryption Method Using Symmetric Key in Digital Rights Management System. Korean Patent Publication No. 2013-0031813, publication date: Mar. 29, 2013 Title of the invention: Digital content providing method and system.

In order to solve the above-described problems, the present invention aims to provide a 4D code management system and method for limiting the right to use unauthorized indiscriminate 4D codes.

Another object of the present invention is to provide an attraction code management system and method for limiting authority to use unauthorized indefinite attraction codes.

According to an embodiment of the present invention, a 4D code corresponding to a predetermined content is generated, and a generated DRM (Digital Rights Management) key A 4D code server for adding and encrypting a file and distributing the encrypted 4D code; And a presentation server for receiving and decoding the encrypted 4D code through a communication network and synchronizing with the content corresponding to the decoded 4D code to drive 4D content.

Here, the 4D code server encrypts the 4D code so that the 4D code is not operated by the presentation server if theater information and the presentation period information do not match.

The auditorium information may include at least one of an auditorium brand, an auditorium site, and a name of the auditorium, and the presentation period information may include at least one of a presentation start date and time, a screening end date and time, and an effective screening period.

The DRM KEY file includes a Universally Unique Identifier (UUID), a file initial creation date and time, a corresponding 4D code naming, a 4D code initial registration date and time, a 4D code end date and time, a total validity period, As shown in FIG.

At this time, the presentation server can verify the validity of the DRM KEY file by checking the remaining valid time of Equation (1) below.

Actual Remaining Elapsed Time = Total Elapsed Time - Cumulative Elapsed Time - Cumulative Elapsed Time (1)

At this time, the verification of the validity may be performed at the time of the first execution of the DRM KEY file or at least one of the driving of the corresponding 4D code.

According to another aspect of the present invention, there is provided a 4D code management method in a 4D code management system, comprising: generating a 4D code corresponding to a predetermined content; Adding a DRM (Digital Rights Management) KEY file including the auditorium information and the screening period information to the generated 4D code and encrypting the 4D code; Distributing the encrypted 4D code to a presentation server; Decrypting the distributed and encrypted 4D code; And synchronizing the decoded 4D code with the content corresponding to the decoded 4D code to drive the 4D content.

According to another aspect of the present invention, there is provided a DRM system including a DRM license file and a DRM license file. The DRM license file includes screening information and screening period information. An attraction code server for adding and encrypting an information file and distributing the encrypted attraction code; And a presentation server that receives and decrypts the encrypted attraction code through a communication network and synchronizes the decrypted attraction code with content corresponding to the decrypted attraction code to drive the attraction content.

Here, the attraction code server encrypts the attraction code so that the attraction code is not driven by the presentation server when the entertainment program information and the screening period information do not match.

The auditorium information may include at least one of an auditorium brand, an auditorium site, and a name of the auditorium, and the presentation period information may include at least one of a presentation start date and time, a screening end date and time, and an effective screening period.

The DRM license file may further include at least one of a Universally Unique Identifier (UUID), a file creation date and time, a file usage end date, a number of times the DRM information file is updated, and time information. The DRM license file or the DRM ID information is updated when the DRM license file and the DRM ID information update times are different from each other, Information indicating that the DRM information file has been changed, the cumulative use time of the attraction code, the total valid time, the update time, the end time, and the update information of the DRM information file.

The presentation server can verify the validity of the DRM license file or the DRM information file by checking the remaining valid time in Equation (3) below.

Actual Remaining Elapsed Time = Total Elapsed Time - Cumulative Elapsed Time - Cumulative Elapsed Time (3)

At this time, the validity verification process may be performed at the time of the first execution of the DRM license file or the DRM information file, or at least one of the driving of the corresponding attraction code.

According to another aspect of the present invention, there is provided a method of managing an attraction code in an attraction code management system, the method comprising: generating an attraction code corresponding to a predetermined content; Adding the DRM license file and the DRM information file including the auditorium information and the screening period information to the generated attraction code and encrypting the same; Distributing the encrypted attraction code to a screening server; Decrypting the distributed and encrypted attraction code; And driving the attraction contents in synchronization with the content corresponding to the decrypted attraction code.

In this case, in the encrypting step, when the auditorium information and the presentation period information do not match, the presentation server encrypts the attraction code so that the attraction code is not driven.

As described above, the various embodiments of the present invention can provide the following advantageous advantages through the 4D code management system or the attraction code management system.

First, the present invention protects (restricts) the right to use the 4D code by encrypting the 4D code so that the corresponding 4D code is not driven according to the matching of the screening information and the screening period information of the DRM KEY file added to the 4D code, . ≪ / RTI >

Second, the present invention protects (restricts) the use rights of the attraction code by encrypting the attraction code so that the corresponding attraction code is not driven in accordance with the matching of the screening information and the screening period information of the DRM license file added to the attraction code, . ≪ / RTI >

Third, the present invention allows 4D or attraction companies to use the 4D or attraction code at an additional cost by paying an additional fee to the attraction seller by receiving the 4D code or attraction code, etc., or by controlling the movie screening system at the expiration of the usage period .

Fourthly, according to the present invention, when a contract between a seller and a vendor is made for N number of sites for additional movie software related to movie contents due to restriction of use of the 4D code or attraction code described above for each business, It is effective to block the operation of the apparatus.

For example, if there is no security technology such as DRM in the 4D code or attraction code, the vendor is only contracted for use on their own A site (offline site), but the 4D code or attraction code is transmitted to the other B site So that it can be prevented from being screened at the B site.

In addition, operators can share 4D code or attraction code with each other by unauthorized sharing, thereby preventing other operators from unauthorized use of 4D code or attraction code for the movie software.

Fifth, since the present invention can restrict the 4D code or the attraction code which is indiscriminately screened or not negotiated, it can not be displayed on the 4D code or the attraction code whose usage period has expired. Therefore, And re-use request. Therefore, the seller can prevent the unauthorized use of the code, and at the same time, obtain the profit from the use of the content, the 4D code, or the attraction code.

The effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned can be clearly understood by those skilled in the art from the following description.

1 is a block diagram schematically showing a configuration of a 4D code management system according to an embodiment of the present invention.
2 is a flowchart schematically illustrating a 4D code management method according to an embodiment of the present invention.
3 is a block diagram schematically showing the configuration of an attraction code management system according to an embodiment of the present invention.
4 is a flowchart schematically showing an attraction code management method according to an embodiment of the present invention.

The 4D contents disclosed in the description of the following embodiments and the patent claims means a state in which the 4D code is synchronized with the corresponding contents, and the attraction contents can mean a state in which the attraction codes are synchronized with the corresponding contents. The content mentioned above is to be limited to the movie content, but it is not limited thereto.

Also, the 4D code referred to herein refers to the software program code for reproducing the 4D effect when the movie content is screened in an auditorium, and the mentioned attraction code refers to the software program code for reproducing the motion and environmental effects do.

In the following, systems and methods for restricting usage rights will be described in more detail with reference to the related drawings.

1 is a block diagram schematically showing a configuration of a 4D code management system according to an embodiment of the present invention.

Referring to FIG. 1, a 4D code management system according to an embodiment of the present invention may include a digital cinema distribution server 110, a 4D code server 120, a screening server 130, and a screening system 140.

First, the digital cinema distribution server 110 is a server operated and managed by a video content distributor. The digital cinema distribution server 110 generates a digital cinema package, encrypts the digital cinema package using, for example, an Advanced Encryption Standard (AES) The digital cinema package can be transmitted to the screening server 130 through the communication network. At this time, the Digital Cinema Package may refer to data including 4D movie contents or 4D movie contents and related files.

The communication network mentioned above can be configured without regard to its communication mode such as wired and wireless. For example, the communication network can be any one of a wired communication network, a mobile communication network, an Internet network and a matter Internet network.

The 4D code server 120 is a server operated and managed by the seller of the 4D code. The 4D code server 120 can generate a 4D code related to the corresponding 4D movie content. For example, the 4D code server 120 generates a 4D code using the AES (Advanced Encryption Standard) You can encrypt the code.

Preferably, the 4D code server 120 may further generate a DRM (Digital Rights Management) KEY file including the auditorium information and the screening period information, and may use a DRM (Digital Rights Management) The KEY file can be encrypted by adding it to the 4D code.

At this time, the auditorium information may include at least one of an auditorium brand, an auditorium site, and a name of the auditorium, and the screening period information may include at least one of a screening start date and time, a screening end date and time, and an effective screening period. Such information may be data necessary for encryption verification, but is not limited thereto.

For example, the 4D code server 120 according to the present invention may be configured such that when the auditorium information and the screening period information do not coincide with previously stored information, the 4D code is not driven by the presentation server 130 The DRM KEY file can be added to the 4D code for encryption.

Here, the DRM KEY file may have the same file name as the 4D code file name, but may have an extension of 'exp' different from the motion file name. The DRM KEY file format may be an ini file format or an xml file format And can be used as data for verifying the usage right restriction and the use period limitation on the 4D code.

However, the DRM KEY file is not limited to the purpose of verifying the above-described rights of use limitation and the use period limitation. Lifetime constraints may include validation.

For example, the DRM KEY file may include a UUID (Universally Unique Identifier) having a MAC address, a motion code naming pointed by the DRM KEY file, a DRM KEY file, and / or a 4D code And may further include at least one of a date and time, an initial registration date and time, a final date and time, a usable total available time, a cumulative unused time, an accumulated usage time and a final update time.

The mentioned MAC is a kind of address given to the LAN card. It is an abbreviation of Media access control, and it is a unique number of all equipment. It can be composed of 12 digits and 16 bits. The UUID bit is calculated and added to the DRM KEY file Can be indicated.

Accordingly, the 4D code server 120 adds the DRM (Digital Rights Management) KEY file including the auditorium information and the screening period information to the 4D code, and transmits the encrypted result to the screening server 130 ) To be distributed (transferred). At this time, the distribution may be automatic distribution, or may be distribution by request of the screening server 130.

In one embodiment, the screening server 130 may receive movie content of the encrypted digital cinema package from the digital cinema distribution server 110 described above via a communication network.

Then, the screening server 130 can receive the 4D code encrypted by adding the DRM KEY file from the 4D code server 120 through the communication network, and decrypt the encrypted 4D code using, for example, KDM technology . When the encrypted 4D code is decrypted, it can be divided into a DRM KEY file and a pure 4D code.

Furthermore, the screening server 130 can synchronize the decoded 4D code and the corresponding movie content to drive the 4D content. At this time, the 4D content may indicate a state in which the decoded 4D code and the corresponding movie content are synchronized. The screening server 130 may drive synchronized 4D content itself or may be loaded into the screening system 140 to be driven.

At this time, it is preferable that the screening system 140 is a movie theater system 141 that displays a movie, but the present invention is not limited thereto, and a terminal device 142 ).

For example, when the screening system 140 is the movie theater system 141, the movie theater system 141 may further include a 4D / motion execution device and a 4D / motion effect control device. The 4D execution device includes a 4D platform for providing light, mist, and wind, a display unit for displaying 4D content, a bodily sensation unit for changing the position according to each scene of the 4D content, A 4D chair that moves in the left, right or front or rear direction or rotates in a pitching, rolling, or yawing direction, a water jet actuator for spraying water vapor or snow to the spectator, a wind jet actuator for blowing wind to the spectator, A perfume spraying actuator for spraying a perfume to a spectator, and the like.

On the other hand, the 4D effect control device mentioned above includes a chair controller for controlling driving of a 4D chair according to a corresponding scene of 4D contents, a water jet controller for controlling water jetting of the water jet actuator according to a corresponding scene of 4D contents, A wind blowing control unit for controlling wind blowing of the jetting actuator, and a fragrance jetting controlling unit for controlling the fragrance jetting of the fragrance jetting actuator.

In particular, the screening server 130 according to the present invention can verify the validity of the DRM KEY file in various ways in order to check whether the 4D code has expired when driving the 4D code of the synchronized 4D content .

For example, the screening server 130 can verify the validity of the DRM KEY file through an algorithm for calculating the remaining effective time of Equation (1) below. At this time, the validity verification process may be performed at the time of the first execution of the DRM KEY file or at least one of the driving of the corresponding 4D code.

Actual Remaining Elapsed Time = Total Elapsed Time - Cumulative Usage Time - Cumulative Unused Time ... Equation (1)

Here, the total effective time of Equation (1) indicates the total usable drive time of the 4D code, and the cumulative use time is the accumulated time of the 4D code, which can be performed at the first execution of the DRM KEY file, The 4D code may be obtained every time the driving of the 4D code is started, and the driving time may be the time from the start time to the end of starting the 4D code.

On the other hand, in Equation (1), the cumulative non-use time is a cumulative non-drive time of the 4D code, and the non-drive time may be from the time when the drive of the 4D code is terminated to the time when the drive of the 4D code is started have.

In this way, cumulative use time, drive time, cumulative idle time, and the like can be performed at the time of the first execution of the DRM KEY file, or at every drive of the corresponding 4D code, so that the information can be updated in the DRM KEY file have.

Accordingly, the screening server 130 according to the present invention checks the remaining effective time recorded in the DRM KEY file according to the above-mentioned equation (1), and if it is ZERO, the use time limit for the 4D code expires, The 4D code can not be used and it can be notified to the corresponding company, and if the remaining effective time is not ZERO, the 4D content including the 4D code will continue to be used.

2 is a flowchart schematically illustrating a 4D code management method according to an embodiment of the present invention.

Referring to FIG. 2, the 4D code management method according to the present invention may include steps 210 through 260 performed by the 4D code server 120 and the presentation server 130 of the 4D code management system described above.

First, in step 210, the 4D code server 120 generates a 4D code corresponding to a predetermined content, for example, movie content, and generates a DRM (Digital Rights Management) KEY file.

In step 220, the 4D code server 120 adds a DRM (Digital Rights Management) KEY file including the auditorium information and the screening period information to the 4D code generated using, for example, AES (Advanced Encryption Standard) .

At this time, the auditorium information and the screening period information may be data necessary for encryption verification, but are not limited thereto.

For example, the 4D code server 120 adds a DRM KEY file to the 4D code so that the 4D code is not driven by the screening server 130 when the screening information and the screening period information do not coincide with previously stored corresponding information .

In operation 230, the 4D code server 120 may distribute the encrypted 4D code to the screening server 130 through the communication network.

In operation 240, the screening server 130 receives the movie content associated with the 4D code from the digital cinema distribution server 110, receives the encrypted 4D code from the 4D code server 120, , And AES (Advanced Encryption Standard) encryption technology. Once the encrypted 4D code is decrypted, it can be separated into a DRM KEY file and a pure 4D code.

In operation 250, the screening server 130 may generate 4D content synchronized with the decoded 4D code and corresponding content, for example, the movie content, and may drive the generated 4D content. At this time, the 4D contents may be driven by the screening server 130 or may be implemented by the screening system 140 managed by the screening server 130.

In operation 260, the screening server 130 may verify the validity of the DRM KEY file in various forms in order to check whether the 4D code has expired when driving the 4D code of the synchronized 4D content.

For example, the screening server 130 can verify the validity of the DRM KEY file through an algorithm for calculating the remaining effective time of Equation (2) below. At this time, the validity verification process may be performed at the time of the first execution of the DRM KEY file or at least one of the driving of the corresponding 4D code.

Actual Remaining Elapsed Time = Total Effective Time - Cumulative Usage Time - Cumulative Unused Time ... (2)

Since the respective factors in the equation (2) have been fully described in FIG. 1, the description thereof will be omitted.

Accordingly, the screening server 130 according to the present invention can check the validity of the DRM KEY file by checking the actual remaining time recorded in the DRM KEY file according to the equation (2).

For example, as a result of validation, if the actual remaining time is ZERO, the 4D code can not be used anymore because the expiration date of the 4D code has expired. The 4D code can no longer be used, , The 4D content including the 4D code can be used (driven) continuously.

3 is a block diagram schematically showing the configuration of an attraction code management system according to an embodiment of the present invention.

Referring to FIG. 3, an attraction code management system according to an embodiment of the present invention may include a digital cinema distribution server 310, an attraction code server 320, a screening server 330, and a screening system 340.

First, the digital cinema distribution server 310 is a server operated and managed by a video content distributor. The digital cinema distribution server 310 generates a digital cinema package, encrypts the digital cinema package using, for example, an Advanced Encryption Standard (AES) And transmits the digital cinema package to the screening server 330 through the communication network. At this time, the Digital Cinema Package may refer to data including attractions movie contents or attraction movie contents and related files.

The communication network mentioned above can be configured without regard to its communication mode such as wired and wireless. For example, the communication network can be any one of a wired communication network, a mobile communication network, an Internet network and a matter Internet network.

The attraction code server 320 is a server operated and managed by the seller of the attraction code. The attraction code server 320 can generate an attraction code related to the attraction movie contents. For example, the attraction code server 320 can generate attractions using the AES (Advanced Encryption Standard) You can encrypt the code.

Preferably, the attraction code server 320 may further generate a DRM license file and a DRM information file including the auditorium information and the screening period information, and may generate a DRM license file using the AES (Advanced Encryption Standard) A file (DRM license file) and a DRM information file (DRM information file) can be added to the attraction code and encrypted.

At this time, the auditorium information may include at least one of an auditorium brand, an auditorium site, and a name of the auditorium, and the screening period information may include at least one of a screening start date and time, a screening end date and time, and an effective screening period. Such information may be data necessary for encryption verification, but is not limited thereto.

For example, when the auditorium information and the screening period information do not coincide with previously stored information, the attraction code server 320 according to the present invention prevents the corresponding attraction code from being driven by the presentation server 330 to be described later The DRM license file and the DRM information file can be added to the attraction code and encrypted.

 At this time, the DRM license file or / and the DRM information file can be used as data for verifying usage restriction, usage period limitation, and the like for the attraction code.

However, the DRM license file and / or the DRM information file are not limited to the use for verifying the above-described rights-of-use restriction, the use period limitation, and the like. Lifetime constraints may include validation.

These DRM license files are located in the same folder when the attraction code is executed in order to verify the usage rights of the attraction codes and the usage period limitation. The file extension can be at least one of the 'lic' format, the file ini file format or the xml file format And may further include at least one of a UUID (Universally Unique Identifier), a file creation date and time, a file use end date, a number of times the DRM information file is updated, and time information, but the present invention is not limited thereto.

On the other hand, the DRM information file referred to above includes a total valid time for using the attraction code, a number of renewal times of the DRM license file, a number of renewals of the DRM license file, and a DRM license file for verifying the usage rights of the attraction codes, Information indicating that the DRM license file or the DRM ID information has been changed, the cumulative use time of the attraction code, the total valid time, the update time and end time of the DRM information file, and update information may be included , But is not necessarily limited thereto.

In one embodiment, the presentation server 330 may receive the movie content of the encrypted digital cinema package from the Digital Cinema Distribution Server 310 described above by way of request automatic distribution through the communication network.

Then, the screening server 330 can receive the attraction code encrypted by adding the DRM license file and the DRM information file from the above-described attraction code server 320 by automatic request distribution, through the communication network, The attraction code can be decoded using, for example, KDM technology. When the encrypted attraction code is decrypted, it can be divided into a DRM license file, a DRM information file, and a pure attraction code.

In addition, the screening server 330 can drive the attraction contents by synchronizing the decoded 4D code and the corresponding movie contents. At this time, the attraction contents may indicate a state in which the decrypted attraction codes and corresponding movie contents are synchronized. The screening server 330 may drive synchronized attraction contents by itself or may be loaded into the screening system 340 to be driven.

At this time, the screening system 340 may include, but is not limited to, a movie theater system 341 that displays a movie and a user's terminal device 342, The description thereof will be omitted.

In particular, in order to check whether the use period of the attraction code has expired when driving the attraction code of the synchronized attraction contents, the presentation server 330 according to the present invention checks the validity of the DRM license file or the DRM information file Can be verified.

For example, the screening server 330 can verify the validity of the DRM license file or the DRM information file through an algorithm for calculating the remaining effective time in Equation (3) below. At this time, the validity verification process may be performed at the time of the first execution of the DRM license file or the DRM information file, or at least one of the driving of the corresponding 4D code.

Actual Remaining Time = Total Effective Time - Cumulative Usage Time - Cumulative Unused Time ... (3)

Here, the total effective time of Equation (3) indicates the total usable drive time of the attraction code, and the cumulative use time is the accumulated time of the attraction code, which is performed when the DRM license file or the DRM information file is first executed Or may be obtained every time the corresponding attraction code is driven, and the driving time may be a time from the start time to the end of starting the attraction code.

On the other hand, in Equation (3), the cumulative non-use time may be the accumulated time of the non-driving time of the attraction code, and the non-driving time may be the time from when the driving of the attraction code is terminated to the starting time.

In this manner, the cumulative use time, the drive time, the cumulative non-use time, and the like are performed at the time of initial execution of the DRM license file or the DRM information file, or are obtained every time the corresponding attraction code is driven, You can update the information in the file.

Accordingly, the screening server 330 according to the present invention checks the remaining effective time recorded in the DRM license file or the DRM information file according to the above-described equation (3), and if it is ZERO, the use time for the attraction code has expired You will not be able to use the attraction code anymore, you will not be able to use the attraction code anymore, you will be notified of it, and if the actual remaining time is not ZERO, you will continue to use the attraction content including the attraction code It will be possible.

4 is a flowchart schematically showing an attraction code management method according to an embodiment of the present invention.

Referring to FIG. 4, the attraction code management method according to the present invention may include steps 410 through 460 performed by the attraction code server 320 and the presentation server 330 of the attraction code management system described above.

First, in step 410, the attraction code server 320 generates attraction codes corresponding to predetermined contents, for example, movie contents, and generates a DRM license file (DRM license file) including the auditorium information and the screening period information, (DRM Information File).

In step 420, the attraction code server 320 adds a DRM license file and a DRM information file including the auditorium information and the screening period information to the attraction code generated using, for example, the AES (Advanced Encryption Standard) .

At this time, the auditorium information and the screening period information may be data necessary for encryption verification, but are not limited thereto.

For example, when the auditorium information and the screening period information do not coincide with previously stored information, the attraction code server 320 transmits a DRM license file and a DRM information file to the presentation server 330 so that the attraction code is not driven You can encrypt it by adding it to the attraction code.

At step 430, the attraction code server 320 may distribute the encrypted attraction code to the screening server 330 via the communication network.

In step 440, the screening server 330 receives the movie content associated with the attraction code from the digital cinema distribution server 310, receives the encrypted attraction code from the attraction code server 320, and stores the encrypted attraction code in, for example, , And AES (Advanced Encryption Standard) encryption technology.

Once the encrypted attraction code is decrypted, it can be separated into a DRM license file, a DRM information file, and a pure attraction code.

In step 450, the screening server 130 can generate the attraction code and the corresponding content, for example, the attraction content synchronized with the movie content, and can drive the generated attraction content. At this time, the attraction contents may be driven by the screening server 330 or may be implemented by the screening system 340 managed by the screening server 330.

In step 460, when the attraction code of the synchronized attraction contents is driven, the presentation server 330 searches the DRM license file or the DRM information file in various manners to check whether the use right of the attraction code, Validity can be verified.

For example, the screening server 330 can verify the validity of the DRM license file or the DRM information file through an algorithm for calculating the remaining effective time of Equation (4) below. At this time, the validity verification process may be performed at the time of the first execution of the DRM license file or the DRM information file, or at least one of the driving of the corresponding attraction code.

Actual Remaining Elapsed Time = Total Effective Time - Cumulative Usage Time - Cumulative Unused Time ... (4)

Since the respective factors in the equation (4) have been fully described in FIG. 3, the description thereof will be omitted.

Accordingly, the screening server 330 according to the present invention checks validity of the DRM license file or the DRM information file by checking the remaining valid time recorded in the DRM license file or the DRM information file according to the above-described equation (4) You will be able to complete.

For example, if the effective time remaining after the validation is ZERO, the attraction code has expired, so that the attraction code can no longer be used, and it can be notified to the corresponding operator, , You will continue to be able to use attraction content including the attraction code.

The 4D code and attraction code management method described above can be implemented in the form of program instructions that can be executed through various computer components and recorded on a computer-readable medium.

The computer-readable medium mentioned may be any medium accessible by the processor. Such media can include both volatile and nonvolatile media, removable and non-removable media, storage media and computer storage media, and program instructions that are recorded on a computer-readable recording medium are those specially designed and constructed for the present invention May be those known and used by those skilled in the computer software arts.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art. .

Therefore, the embodiments described above are merely illustrative and are not intended to limit the scope of the present invention to the foregoing embodiments. It is to be understood that the flowcharts shown in the drawings are merely illustrative examples for achieving the most desirable results in the practice of the present invention, and that other steps may be added or some steps may be deleted.

The scope of the present invention will be defined by the appended claims, but all changes or modifications derived from the equivalents, as well as those directly derived from the claims, are also included in the scope of the present invention. .

110, 310: Digital Cinema Distribution Server 120: 4D Code Server
130,330: Screening server 140,340: Screening system
141,341: Movie theater system 142,342; Terminal device
320: Attraction Code Server

Claims (20)

Generates a 4D code corresponding to a predetermined content, adds a DRM (Digital Rights Management) KEY file containing the auditorium information and the screening period information to the generated 4D code, encrypts the 4D code, and transmits the 4D code Code server; And
And a presentation server that receives and decrypts the encrypted 4D code through a communication network and synchronizes with the content corresponding to the decoded 4D code to drive 4D content,
The 4D code server comprises:
And encrypts the 4D code so that the presentation server does not operate the 4D code if the theater information and the presentation period information do not match. The method according to claim 1,
The screen information includes at least one of an auditorium brand, a screen point, and a screen name,
Wherein the screening period information includes at least one of a screen start date and time, a screening end date and time, and an effective screening period. The method according to claim 1,
The DRM KEY file includes:
At least one of a UUID (Universally Unique Identifier), a file initial creation date and time, a corresponding 4D code naming, a 4D code initial registration date and time, a 4D code final end date and time, a total validity period, And the 4D code management system. The method of claim 3,
The screening server,
Wherein the validity of the DRM KEY file is verified by confirming the remaining valid time of Equation (1) below.
Actual Remaining Elapsed Time = Total Elapsed Time - Cumulative Elapsed Time - Cumulative Elapsed Time (1) 5. The method of claim 4,
Wherein the verification of the validity is performed at the time of the first execution of the DRM KEY file or at least one of the driving of the corresponding 4D code. A 4D code management method in a 4D code management system,
Generating a 4D code corresponding to a predetermined content;
Adding a DRM (Digital Rights Management) KEY file including the auditorium information and the screening period information to the generated 4D code and encrypting the 4D code;
Distributing the encrypted 4D code to a presentation server;
Decrypting the distributed and encrypted 4D code; And
And driving the 4D content in synchronization with the content corresponding to the decoded 4D code,
Wherein the encrypting comprises:
And encrypts the 4D code so that the presentation server does not operate the 4D code if the theater information and the presentation period information do not match. The method according to claim 6,
The screen information includes at least one of an auditorium brand, a screen point, and a screen name,
Wherein the screening period information includes at least one of a screen start date and time, a screening end date and time, and an effective screening period. The method according to claim 6,
The DRM KEY file includes:
At least one of a UUID (Universally Unique Identifier), a file initial creation date and time, a corresponding 4D code naming, a 4D code initial registration date and time, a 4D code final end date and time, a total validity period, The 4D code management method comprising: 9. The method of claim 8,
Verifying the validity of the DRM KEY file by checking the remaining valid time of the equation (2) below;
The 4D code management method further comprising:
Actual Remaining Elapsed Time = Total Elapsed Time - Cumulative Elapsed Time - Cumulative Elapsed Time (2) 10. The method of claim 9,
The validity verification process may include:
Wherein the at least one of the 4D codes is performed at the time of the first execution of the DRM KEY file or every time the corresponding 4D code is activated. A DRM license file and a DRM information file including the auditorium information and the screening period information are added and encrypted to the generated attraction code, and an attraction code for distributing the encrypted attraction code server; And
And a presentation server that receives and decrypts the encrypted attraction code through a communication network and drives the attraction content by synchronizing with the content corresponding to the decrypted attraction code,
The attraction code server,
And encrypts the attraction code so that the presentation server does not operate the attraction code server if the theater information and the presentation period information do not match. 12. The method of claim 11,
The screen information includes at least one of an auditorium brand, a screen point, and a screen name,
Wherein the screening period information includes at least one of a screen start date and time, a screening end date and time, and an effective screening period. 12. The method of claim 11,
The DRM license file includes:
A universal unique identifier (UUID), a file creation start date and time, a file use end date, a number of times of updating the DRM information file, and time information,
The DRM information file includes:
If the DRM license file and the DRM license information update times differ from the DRM license file or the DRM license file or the DRM license file or the DRM license file, Wherein the information includes at least one of information indicating that the information has been changed, cumulative use time of the attraction code, total valid time, update time, end time, and update information of the DRM information file. 14. The method of claim 13,
The screening server,
And verifies the validity of the DRM license file or the DRM information file by checking the remaining valid time of Equation (3) below.
Actual Remaining Elapsed Time = Total Elapsed Time - Cumulative Elapsed Time - Cumulative Elapsed Time (3) 15. The method of claim 14,
The validity verification process may include:
Wherein the at least one of the DRM license file and the DRM information file is executed when the DRM license file or the DRM information file is executed for the first time or when the corresponding attraction code is activated. A method of managing an attraction code in an attraction code management system,
Generating an attraction code corresponding to a predetermined content;
Adding the DRM license file and the DRM information file including the auditorium information and the screening period information to the generated attraction code and encrypting the same;
Distributing the encrypted attraction code to a screening server;
Decrypting the distributed and encrypted attraction code; And
And driving the attraction contents in synchronization with the contents corresponding to the decrypted attraction codes,
Wherein the encrypting comprises:
And encrypts the attraction code so that the attraction code is not driven by the presentation server when the auditorium information and the presentation period information do not match. 17. The method of claim 16,
The screen information includes at least one of an auditorium brand, a screen point, and a screen name,
Wherein the screening period information includes at least one of a screen start date and time, a screening end date and time, and an effective screening period. 17. The method of claim 16,
The DRM license file includes:
A UUID (Universally Unique Identifier), a file creation date and time, a file use end date, a number of times of updating the DRM information file, and time information,
The DRM information file includes:
If the DRM license file and the DRM license information update times differ from the DRM license file or the DRM license file or the DRM license file or the DRM license file, Wherein the information includes at least one of information indicating that information has been changed, cumulative use time of the attraction code, total valid time, update time, end time, and update information of the DRM information file. 19. The method of claim 18,
Verifying the validity of the DRM license file or the DRM information file by checking the remaining valid time of the equation (4) below;
Further comprising the steps of:
Actual Remaining Elapsed Time = Total Elapsed Time - Cumulative Elapsed Time - Cumulative Elapsed Time (4) 20. The method of claim 19,
The validity verification process may include:
Wherein the DRM information file is executed when the DRM license file or the DRM information file is executed for the first time or when the DRM license file or the DRM information file is activated every time the DRM license file or the DRM information file is activated.

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