WO2004055811A1 - 記録再生方法および記録再生装置 - Google Patents
記録再生方法および記録再生装置 Download PDFInfo
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- WO2004055811A1 WO2004055811A1 PCT/JP2003/014688 JP0314688W WO2004055811A1 WO 2004055811 A1 WO2004055811 A1 WO 2004055811A1 JP 0314688 W JP0314688 W JP 0314688W WO 2004055811 A1 WO2004055811 A1 WO 2004055811A1
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- Prior art keywords
- user
- recording
- content
- information
- reproducing apparatus
- Prior art date
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
- G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
- G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
- G11B27/327—Table of contents
- G11B27/329—Table of contents on a disc [VTOC]
Definitions
- the present invention relates to a recording / reproducing method for recording or reproducing image information and the like, and a recording method.
- It relates to a playback device, and more specifically, for example, a thread 1
- Content such as video, audio or television broadcasts
- the present invention relates to a recording / reproducing method and a recording / reproducing apparatus for recording or reproducing data.
- JP-A-2000-295558 (publication date: October 20, 2000)
- a method of managing recorded programs a method has been proposed in which a reproduction history of recorded programs is displayed in a rough display using a donated area.
- a television broadcast program is viewed by multiple viewers. No consideration is given to simultaneous viewing by listeners. That is, the case where a plurality of users use the terminal is not considered.
- Japanese Patent Laid-Open Publication No. 2000-175 17 17 (publication date: June 23, 2000) in Japan It describes a television receiver that recognizes a viewing user from among a plurality of viewing users and determines whether or not viewing is possible for each program according to registered user information.
- file management content management
- the configuration described in Japanese Patent Application Laid-Open No. 2000-175715 is for video information to be broadcast, and is not for viewing video information recorded on a recording medium. Absent. For this reason, it is not known what kind of file management is performed on the content recorded on the recording medium.
- the present invention has been made in view of the above problems, and has as its object to provide a recording / reproducing method which is used by a plurality of users and which makes file management in a recording medium capable of recording a large amount of content simple and easy. And recording and playback It is to provide a device. Disclosure of the invention
- the recording / reproducing method is directed to a recording / reproducing method in a recording / reproducing apparatus for recording content on a recording medium or reproducing content recorded on the recording medium.
- a play item indicating whether or not the user has played back the content, in which the content information of the content to be recorded on the recording medium is associated with user information about a plurality of users who use the recording / playback apparatus.
- updating the reproduction item of the user who reproduced the content in response to the reproduction of the content with respect to the history information.
- the recording medium for example, content such as a moving image, audio, or a television broadcast program is recorded.
- the recording medium is shared (shared) by multiple users.
- the content information of the content includes the recording date and time of the content, the recording channel, the recording time, and the content (classification of drama, movie, etc.).
- This content information may be registered in a recording medium, or may be registered in a recording / reproducing device that records / reproduces the recording medium.
- the content information be recorded on a recording medium that is removable from the recording / reproducing apparatus.
- the user information about the user who uses the recording / reproducing device may be registered in a recording medium, or may be registered in a recording / reproducing device that records and reproduces a recording medium.
- registration of user information At least before playing or recording the content. That is, the registration of the user information may be performed, for example, every time recording and reproduction is performed, or the registration may be performed by confirming the content of the registration once performed, for example, before reproduction. Good. In consideration of this point, it is desirable to record the user information in a recording area such as a semiconductor memory or a hard disk provided in the recording / reproducing apparatus.
- history information in which the content information of the content recorded on the recording medium is associated with the user information of a plurality of users using the recording / playback device is recorded history information or playback history information. Yes, it can be expressed as record / playback history information.
- the history information includes a reproduction history (reproduction item) for each content of each user.
- the history information may include a recording history (recording item) of a user who has recorded each content.
- the history information may be registered in a recording medium, or may be registered in a recording / reproducing device that records / reproduces a recording medium.
- the recording area in the recording / reproducing device a recording device different from the above-mentioned recording medium, for example, a fixed memory typified by a semiconductor memory, an HDD, etc., and a PC card type memory It is desirable that the data be recorded in a replaceable memory.
- the reproduction of the content includes a user viewing the content when recording the content.
- an item (reproduction item) related to the content in the user's viewing history included in the history information associated with the content is updated to “viewed”. Amended).
- user authentication may be performed before the reproduction of the content.
- the history information is updated by regarding the authenticated user as the user who played the content.
- the reproduction history of the content recorded on the recording medium can be managed for each of a plurality of users. For this reason, for example, by referring to the reproduction history of another user, it is possible to prevent content that has not been viewed by another user from being accidentally deleted.
- a table may be created by associating the content recorded on the recording medium with the user, and the table may be displayed. As described above, since the reproduction history of a plurality of users can be checked for individual contents, the contents are not deleted carelessly.
- a configuration may be used in which unviewed content common to a plurality of users who are playing (viewing) a recording medium on a recording / playback apparatus using a playback item is extracted. Further, for example, a configuration may be employed in which the content viewed by all users registered in the recording / reproducing apparatus is determined using the reproduction item, and the content is deleted. Perform these tasks quickly and reliably File management and user management.
- the content recorded on the recording medium and the user who performs recording / reproduction on the recording medium are registered in the recording / reproduction method, and the content recording / reproduction history information by the user is defined as: At least, there is a configuration in which the name of the user who views and the content includes a distinction of whether the content has been viewed or not viewed, the user who uses the recording device is recognized, and this information is managed. It can also be expressed as
- the history information is information including a viewing user, a content name, a distinction between viewed and unviewed, and the like. In this case, if the content to be recorded or played back by the recording / reproducing device increases, the amount of information related to the history information increases accordingly.
- the recording / reproducing method in the above configuration, displays the user information registered in the recording / reproducing apparatus for selection of a user who uses the recording / reproducing apparatus. It is characterized by including the step of performing
- the user registers user information of a user who uses the recording / reproducing apparatus in the recording / reproducing apparatus in advance. Thereafter, when the user uses the recording / reproducing apparatus, the registered user information is recorded / reproduced. This is displayed on the recording / reproducing device so that the user using the live device can be selected.
- the user who reproduces the content is selected as the user using the recording / reproducing apparatus.
- the user who reproduces the content is selected as the user using the recording / reproducing apparatus.
- the selected user when updating the playback history in accordance with the playback of the content, the selected user can be regarded as the user who plays back the content. Therefore, when a user who reproduces each content is specified, the user is specified by the selection using the registered user information, so that various settings such as a user name input and a password setting can be omitted.
- the user information is recorded in the recording / reproducing device that records / reproduces the recording medium, it is not necessary to read the user information from the recording medium. For this reason, user information, particularly information relating to the reproduction history, can be quickly displayed during the adjustment time for recording and reproducing the recording medium, for example, in the case of an optical disc, the time required for laser power adjustment, disc tilt correction, and the like. It is also possible to end the selection of each content viewing user during this adjustment time.
- a recording / reproducing apparatus for managing a plurality of users is provided with a user information recording unit for registering user information of a user who uses the recording / reproducing apparatus.
- the recording / reproducing method has Registering a user who uses the recording / reproducing apparatus in a recording area provided in the recording / reproducing apparatus at the time of starting the recording / reproducing apparatus or after starting the recording / reproducing apparatus; If the content is recorded on the recording medium during the period from the start of the apparatus to the end of use, the user has recorded the content with respect to the user registered in the user registration step.
- the record item of the history information indicating the event is registered, or when the content recorded on the recording medium is reproduced, the history information of the user registered in the user registration step is registered. And a step of updating the play item.
- a user selected or newly registered when the recording / reproducing apparatus is started is set as a user for subsequent recording or reproduction.
- This user setting may be made for a plurality of users.
- the above recording / reproducing method starts the recording / reproducing apparatus used by a plurality of users. At the time of recording, the user who has started up and the user who will watch or record with it from now on are registered. It can be expressed as a configuration that updates information, recording, and playback history information.
- the recording / reproducing method according to the present invention in the above-described configuration, is configured such that whether the content is included in the history information or is included in the content information and is associated with the history information,
- the method is characterized in that it includes a step of setting an item of erasure restriction indicating whether the content is a desired content.
- the item of erasure restriction When the item of erasure restriction is included in the history information, the item of erasure restriction can be set for each user and for each content.
- the item of the deletion restriction When the item of the deletion restriction is included in the content information and is associated with the history information, the item of the deletion restriction having a value common to all users can be set for each content.
- the erasure restriction for the content.
- the playback item of each user for the content it is determined whether or not there is a non-viewer, and a deletion restriction common to all users is set. Set.
- this method can prevent the corresponding content from being deleted even if there are no viewers.
- the item of deletion restriction is set, and When viewed, the erasure restriction may be released.
- an erasure restriction item may be set when recording the content, and the erasure restriction may be released after a predetermined period has elapsed.
- the content whose erasure restriction has been released may be deleted. That is, a configuration in which the content viewed by all users is automatically deleted may be employed. Further, a configuration may be employed in which content for which a predetermined period has elapsed since recording is automatically deleted. With this configuration, unnecessary content is not recorded.
- the item of the erasure restriction may be included in at least one of the history information and the content information.
- the item of the erasure restriction may be configured to be able to be associated with the history information or the user information.
- a recording / reproducing method in the above configuration, comprises: It is characterized by including a step of creating a table indicating the association of the user information with the user, and a step of displaying the table.
- the history information registered for each content of the recording medium is read, and a table is displayed as the content viewing status for each user.
- This table includes information such as unviewed content of the user himself / herself to be viewed, already-set multiple users, and viewed content of all viewing target users.
- a recording / reproducing method provides a recording / reproducing apparatus that records content on a recording medium or reproduces content recorded on a recording medium.
- a step of collating the user with the user who has made the above-mentioned reproduction request In the case, along with the reproduction instruction of the above-mentioned content, playback After the execution, for the combination of the content and the unique information that can specify the user obtained by the reproduction request, adding information indicating that the reproduced content has been viewed to the history information; And a step of outputting information indicating a relationship between the unique information that can identify a user, the content information, and whether or not the content has been viewed.
- user information such as a user name capable of individually identifying a user is registered and stored in a storage means (recording area) such as a memory, and the user information is stored for each content information to be recorded on a recording medium. Since the information is associated, the relationship between the content and the user can be clarified.
- a control means such as a CPU receives the registered user information and a request to reproduce the recorded content, and compares the received user information with the history information of the content, so that the user who has requested the reproduction is It determines whether the user is a valid user of the content.
- the content is instructed to be played back, and after the playback is executed, the content and the unique information that can identify the user obtained by the playback request are combined with the user
- the history information is rewritten so as to indicate that the user has already viewed the content, and is stored in a storage means such as a memory.
- Adding information indicating that the content has been watched means that, for example, a playback history (viewing history) item (playback item) indicating whether or not the user has played the content (viewed or unwatched) is viewed from unviewed.
- erasure prohibition information may be settable. According to this, even if the content has been viewed, erasure of the content by a third party who is not associated with the content can be prevented. Therefore, in order to prevent the erasure of the recorded content, it is preferable to use the content when the content is stored for a fixed period or permanently.
- the recording / reproducing apparatus according to the present invention performs the recording of the content on a recording medium in order to achieve the above object. Or a recording / reproducing apparatus for reproducing content recorded on a recording medium, a user information management unit for managing user information on a plurality of users who use the recording / reproducing apparatus body, and a content recorded on the recording medium.
- a history information management unit that manages history information including a playback item indicating whether or not the user has played back the content, in which the content information associated with the content is associated with the user information managed by the user information management unit.
- the history information management unit reproduces the content in response to the reproduction of the content. It is characterized by updating the reproduction entry for the user.
- the user information management section of the recording / reproducing apparatus is a Manage user information.
- User information includes user name, password, and other attributes.
- the recording medium for example, a content such as a moving image, audio, or a television broadcast program is recorded.
- the recording medium is shared (shared) by multiple users.
- the content information of the content includes the recording date and time of the content, the recording channel, the recording time, and the content (classification of drama, movie, etc.). Therefore, if the user wants to know the contents of the content, the separately recorded content information may be displayed on the screen.
- a history information management unit of the recording / reproducing apparatus manages history information in which content information and user information are associated with each other.
- the recording / playback history includes a playback history item (playback item) indicating whether or not the user has played back the content. For example, when a content and a user are specified in the history information, a reproduction item relating to the content and the user can be obtained.
- the history information may include a recording history (recording item) relating to a user who has recorded each content.
- the history information may be registered in a dedicated recording area provided in the main body of the recording / reproducing apparatus for recording the contents, or may be registered in a recording medium, for example.
- the history information management unit updates the history information according to the reproduction of the content. In particular, change the item of the play history (play item) of the content to the state of played (viewed).
- the reproduction of the content includes a case where the user views the content when the content is recorded.
- content playback may be performed using an authentication unit before.
- the authenticated user is regarded as the user who reproduced the content, and the history information of the user is updated.
- the reproduction history of the content recorded on the recording medium can be managed for each of a plurality of users. For this reason, it is possible to prevent, for example, referring to the reproduction history of another user and accidentally deleting unviewed content for another user.
- a table may be created by associating the content recorded on the recording medium with the history information, and the table may be displayed. In this way, since the playback histories of a plurality of users can be confirmed for individual contents, careless deletion of the content is prevented.
- a recording / reproducing apparatus in which file management (content management) in a recording medium used by a plurality of users and in which a large amount of content is recorded is simplified and facilitated. That is, for example, extraction of unviewed content common to a plurality of viewing users, and deletion of content viewed by all users, for example, can be performed quickly and reliably to manage files and users. Can be easily done.
- the recording / reproducing apparatus In a recording / reproducing apparatus used by a plurality of users, the recording / reproducing apparatus is registered with a user who views the content in each content recorded on a recording medium used by the recording / reproducing apparatus. In both cases, the user registered for each content is a viewing user or a non-viewing user. It can also be expressed that information indicating the distinction is recorded and managed in the recording medium or the recording unit provided in the recording / reproducing apparatus.
- a recording / reproducing apparatus in order to achieve the above object, in the above configuration, wherein the user information management unit is used for registering the user information, a recording area provided in the recording / reproducing apparatus main body, A display control unit for displaying a list of the users whose user information is registered in the recording area in order to select a user who uses the recording / reproducing apparatus main body.
- the recording area of the recording / reproducing apparatus In the recording area of the recording / reproducing apparatus, user information of a user who uses the recording / reproducing apparatus main body is registered and recorded.
- a rewritable semiconductor memory such as a flash memory can be used.
- the recording area may be a removable recording medium that is removable from the recording / reproducing apparatus main body. If it is detachable, the same effect can be obtained by attaching it to another recording / reproducing device.
- the display control unit displays the user information registered in the recording area on, for example, a display panel.
- a user is selected according to the user information displayed on the display panel. This selection can be made, for example, by enabling the pointer to be moved by the display control unit on the display panel, and when the user moves the pointer and selects a user using the recording / reproducing apparatus main body, the selection is detected.
- the configuration may be sufficient.
- Such a display control unit can be realized using, for example, a display panel and a pointing device.
- the user information management unit detects the reproduction of the content by the user, a method of specifying a user such as inputting a user name and setting a password is required.
- a method of specifying a user such as inputting a user name and setting a password is required.
- the user information is not read from the recording medium, even if the recording medium requires an adjustment time before the start of reading the recording medium, the user information can be captured and displayed regardless of the adjustment time.
- a rewritable high-density optical disc such as a DVD requires an initial processing time (adjustment time including various reproduction parameters until readout or recording becomes possible, for example, adjustment of laser power).
- initial processing time adjusted time including various reproduction parameters until readout or recording becomes possible, for example, adjustment of laser power.
- necessary user information can be fetched faster than reading information from the recording media. It is also possible to end the selection of each content viewing user during this adjustment time.
- the recording / reproducing apparatus is provided with a user information recording section (recording area) for registering user information of a user who uses the recording / reproducing apparatus main body. It can also be expressed that the configuration is such that the viewing user is selected from the user information registered in the user information recording unit.
- the recording / reproducing apparatus sets the user information managed by the user information management unit
- the recording / reproducing apparatus main unit is started, or when the recording / reproducing apparatus main body is started, when the recording of the content is performed on the recording medium, the user information setting section is provided.
- the record item of the history information indicating whether the user has recorded the content is registered or the content recorded on the recording medium is reproduced.
- the renewal item of the history information is updated for the user set by the user setting unit.
- the history information management unit updates the history information by regarding the user set at the time of starting the recording / reproducing apparatus main body as, for example, a user for later recording / reproducing. More specifically, at the time of starting the apparatus, a viewing user or another user who views together is set. Then, the user updates the history information of each content as a user of the content recorded or reproduced thereafter.
- the recording / reproducing apparatus registers a selected user and a user who will view or record together from now on when starting the recording / reproducing apparatus used by a plurality of users.
- the plurality of users are regarded as recording users.
- the recording / reproducing history information in each content is automatically updated with the user as a viewing user at the time of viewing.
- the recording / reproducing apparatus in the above configuration, wherein the history information includes an item of erasure restriction indicating whether or not the content can be erased, or Is erasable And an item of the erasure restriction indicating whether or not the erasure restriction item is associated with the history information.
- the history information management unit sets the item of the erasure restriction for a desired content. It is characterized by
- the item of the erasure restriction indicates whether or not the content can be erased, and is included in the history information or the content information.
- Erasing Content for which restrictions have been removed can be erased.
- a configuration may be employed in which the recording / reproducing device issues a warning when an attempt is made to erase content whose erasure is restricted.
- erasure restriction and release for example, set a common value for all users for content, release when all users have finished watching, and restrict when there is even one unviewed person May be set.
- an item of erasure restriction may be set at the time of recording the content, and the erasure restriction may be released when all the users view the content.
- an erasure restriction item may be set when recording the content, and the erasure restriction may be released after a predetermined period has elapsed. In this case, when the erasure restriction is released, the content whose erasure restriction has been released may be deleted.
- This erasure limit is In general, it is configured to be included in the content information and the viewing status is referred to the history information. With this configuration, unnecessary content is not recorded.
- the item of the erasure restriction may be included in at least one of the history information and the content information.
- the item of the deletion restriction can be set for each user and each content.
- the item of the erasure restriction having a value common to all users can be set for each content.
- the item of the erasure restriction may be configured to be able to be associated with the history information or the user information.
- the recording / reproducing device may be used to limit the erasure of the content or to delete the content. It can also be expressed as a configuration in which a warning is issued.
- the recording / reproducing apparatus in the above configuration, associates the user information managed by the user information management unit with content information of content recorded on the recording medium.
- a table is created based on the history information, and a table display unit for displaying the table is provided.
- the table display unit displays a table created based on the history information on, for example, a display panel. Therefore, the viewing status (viewing table) of multiple users can be confirmed for individual contents.
- the display panel may be, for example, a panel for displaying control information of the recording / reproducing device, or may be a panel for displaying video information recorded or reproduced by the recording / reproducing device, for example. .
- the display panel may be a display panel integrated with the recording / reproducing device, or may be an external display panel separate from the recording / reproducing device.
- history information registered for each content on the recording medium is read, and a template as a content viewing status for each user is displayed. Therefore, it is possible to display the unviewed content of the user himself / herself, the already set contents of a plurality of users, and the viewed contents of all the users to be viewed, for selection, thereby improving convenience and listing. . Also, if the viewing table as described above is obtained, file operations such as erasing and saving can be performed simply and reliably.
- the recording / reproducing apparatus reads the recording / reproducing history information recorded for each content on the recording medium, and indicates the viewing status of the content for each user recorded in the user information holding unit provided in the main body of the recording / reproducing apparatus. It can also be expressed as a configuration in which a list is displayed.
- the reproduction item included in the history information managed by the history information management unit includes a reproduction date / time item indicating a date / time when the user reproduced the content.
- a reproduction date / time item indicating a date / time when the user reproduced the content.
- the recording / reproducing apparatus may further include, in addition to the above configuration,
- the item of the erasure restriction of the content for the user may be set to be erasable.
- the item of the erasure restriction for each user may be set to be erasable according to the reproduction of the content. This is because it is considered that if the user has already viewed the content, the content may be deleted. In this case, when the item of erasure restriction is set for all users, the recording / reproducing device may actually erase the content.
- the recording / reproducing apparatus may have a configuration in which the item of the erasure restriction set by the history information management unit also serves as a parental control for the user, in addition to the above configuration. In this way, the items of the erasure restriction can be set for each user and each content. With this configuration, user management can be easily performed even when a large number of users use the recording / reproducing apparatus.
- the recording / reproducing method and the recording / reproducing apparatus register, for each content recorded on a recording medium used by a plurality of users, the information (playback history) of each user that has been viewed or not viewed. .
- AV Audio Visual
- the unviewed content common to a plurality of viewing users is extracted, and for example, the content is viewed by all users.
- Work such as deleting deleted content can be performed quickly and reliably, facilitating file management and user management.
- the recording / reproducing apparatus is provided with a recording area (user information recording section) for registering a user who uses the apparatus, the user is registered in advance in this recording area, and a recording medium is inserted. Even if it is not, it is quick with startup For example, regardless of the history information recorded in each content of the recording medium, the viewing users registered in the recording area can be displayed, and user settings for recording or reproducing with the recording / reproducing apparatus can be made. .
- a recording area user information recording section
- FIG. 1 is a block diagram showing an embodiment of the recording / reproducing apparatus according to the present invention.
- FIG. 2 is a plan view showing a part of the recording / reproducing apparatus.
- FIG. 3 is a plan view showing another part of the recording / reproducing apparatus.
- FIG. 4 is a plan view showing an example of a display screen of the recording / reproducing apparatus.
- FIG. 5 is a flowchart showing a recording / reproducing operation in the recording / reproducing apparatus.
- FIG. 6 is a plan view showing another example of the display screen of the recording / reproducing apparatus.
- FIG. 7 is a plan view showing still another example of the display screen of the recording / reproducing apparatus.
- FIG. 8 is a plan view showing still another example of the display screen of the recording / reproducing apparatus.
- FIG. 9 is a plan view showing still another example of the display screen of the recording / reproducing apparatus.
- the recording / reproducing apparatus registers, for a plurality of users who use the recording / reproducing apparatus, history information (recording / reproduction history information) for each of the users, in association with the content recorded on the recording medium. Also, the history information is updated in accordance with the reproduction of the content, and for example, a reproduction item indicating whether or not each user has reproduced the content is updated. This makes it easy to manage each content (content file) when a recording medium and content in the recording medium are shared by a plurality of users.
- the recording / reproducing apparatus 1 includes a system control unit (display control unit and table display unit) 2, an information input unit 3, an information output unit 4, a user operation unit (user setting unit) 5, and a user recognition unit. 6, User information management section 7, User information recording section (recording area) 8, Disc recording / reproducing section 9, Disc ID recognition section 10, Buffer memory 11, Display panel (Display control section, Table display section) 1 2 A history information management unit 15 and a history information recording unit 16 are provided.
- the recording / reproducing device 1 is a device that records information (video information, content) on an optical disc (recording medium) D or reproduces information recorded on the optical disc D.
- the recording / reproducing device 1 is a recording / reproducing device used by a plurality of users.
- the optical disc D of the present embodiment is a rewritable optical disc.
- the optical disc D is also used by a plurality of users.
- the system control unit 2 controls the recording / reproducing device 1.
- the system control unit 2 includes an information input unit 3, an information output unit 4, a user operation unit 5, a user recognition unit 6, a user information management unit 7, a disk recording / playback unit 9, a disk ID recognition unit 10 and a buffer memory 11. ,
- video information is input to the system control unit 2 from outside the recording / reproducing device 1 via the information input unit 3.
- the system control unit 2 transmits video information and audio information read from the optical disk D, which are input from the disk recording / reproducing unit 9, to an external display device, a speaker, and the like (not shown) via the information output unit 4.
- Output Further, for example, the system control unit 2 controls the operation of each unit described above and the input and output of data by each unit based on the operation input by the user through the user operation unit 5.
- the information input unit 3 is an input interface from outside the recording / reproducing device 1.
- the information input unit 3 outputs information input from the outside to the system control unit 2.
- the information input unit 3 may be configured to have a built-in decoding function for expanding compressed moving image data and audio data. It can also be configured to accept data distribution from the network.
- the recording / reproducing apparatus 1 is provided with a plurality of information input units 3, and various data, signals (digital or (Analog) may be input.
- the information output unit 4 is an output interface to the outside of the recording / reproducing device 1.
- the information output unit 4 is, for example, an optical disc input from the system control unit 2. It outputs video information, audio information, etc. (contents, content information) recorded on disk D to external devices such as a display device (CRT) and speakers (not shown).
- the information output unit 4 can also output user information or history information input from the system control unit 2.
- the user operation unit 5 is an interface for the user of the recording / reproducing device 1.
- the user of the recording / reproducing apparatus 1 operates the recording / reproducing apparatus 1 using the user operation unit 5.
- the user operation unit 5 is used for registering user information on a plurality of users who use the recording / reproducing device 1. It is also possible to register this user information in association with the content information of the content recorded on the optical disc D.
- the user information is information for identifying the user such as a user name and a password.
- the user information is not limited to this, and may include additional information unique to the user, such as, for example, age and viewable programs.
- the content information indicates the content of the content, and includes a program name, a recording date and time, a recording time, a content classification, and the like.
- the content information includes a list of content titles and a list of thumbnail images indicating the content.
- the user operation section 5 is used for setting a user who uses the recording / reproducing apparatus 1 (selection of a user).
- the user operation unit 5 is used to set an item of erasure restriction indicating whether or not the content can be erased in a desired content. The detailed configuration of the user operation unit 5 will be described later.
- the user recognition unit 6 is for recognizing a user who uses the recording / reproducing apparatus 1. belongs to. As a means for authenticating and specifying an individual, for example, a password, fingerprint authentication, and the like are used.
- the user information management unit 7 manages user information on a plurality of users who use the recording / reproducing device.
- the user information management unit 7 records the user information registered by the user operation unit 5 in the user information recording unit 8, for example.
- the user information management unit 7 manages the user information recorded in the user information recording unit 8.
- the user information recording section 8 is a recording area for recording user information.
- the disc recording / reproducing unit 9 is a device for recording or reproducing information (content) on the optical disc D.
- the disk recording / reproducing section 9 is controlled by the system control section 2 to record / reproduce the content.
- the disc ID recognizing section 10 is for recognizing the ID number of the optical disc D recorded / reproduced by the disc recording / reproducing section 9.
- the buffer memory 11 is a storage device of the recording / reproducing device 1 which is used when decompressing / reproducing a compressed moving image, audio, etc. of the optical disk D.
- the information in the buffer memory 11 can be input / output to / from the system control unit 2. Also, the information in the buffer memory 11 can be updated according to an instruction from the system control unit 2. The use of the buffer memory 11 is not limited to this.
- the display panel 12 of the present embodiment is a liquid crystal display panel connected to the recording / reproducing device 1.
- the display panel 12 is a panel for displaying control information in the recording / reproducing device 1. Further, the display panel 12 of the present embodiment is configured to display not only control information but also video information recorded on the optical disc D and the like.
- the history information management unit 15 manages and records the recording / playback history (history information, recording / playback history information) of the content for each registered user.
- the history information recording unit 16 is a recording area for recording history information.
- the history information means recording history information or playback history information, and can also be expressed as recording / playback history information.
- the history information includes, for example, items such as recorded users, viewable users, viewed users, and unviewed users. That is, the history information of the present embodiment is information that associates a user with a content. This history information may include the recording date and time and the viewing date and time of the content.
- the history information management unit 15 is a user who has newly recorded the content in the history information of the history information recording unit 16 in response to the recording of the content by the user. Register a record item indicating that this is the case. In addition, the history information management unit 15 determines that the user who played back the content in the history information of the history information recording unit 16 is the user who played back and recorded the content in response to the playback of the content by the user. Update the indicated play item.
- a rewritable semiconductor memory such as a flash memory is used as the user information recording unit 8, the buffer memory 11, and the history information recording unit 16.
- the present invention is not limited to this configuration, and a hard disk or other disk media may be used.
- the user information recording unit 8 may be an integrated recording unit shared with the buffer memory 11 and the history information recording unit 16.
- 2 and 3 show a remote controller (remote control) 13 (user setting section) and a mouse (user setting section) 14 as examples of pointing devices included in the user operation section 5, respectively. Indicated.
- the remote controller 13 is a remote controller for AV equipment.
- the remote controller 13 has a Menu button 13a, a Power button 13b, a number button 13c, a User button 13d, and a Password button 13e. It has a select (Enter) button 13 f, a stop button 13 g, a play button 13 h, and a record button 13 i.
- the menu button 13 a is a button for displaying a menu that can be used by the user in the recording / reproducing apparatus 1.
- the power button 13 b is a button for turning on / off the power of the recording / reproducing apparatus 1.
- the number button 13c is a number display button used at the time of normal channel selection, such as a channel of a television broadcast program. As shown in FIG. 2, the number button 13c of the present embodiment is composed of 20 buttons 1 to 20. In recent years, the number of selectable TV stations has increased, so it is not surprising to have 20 buttons.
- alphabets are assigned to the number buttons 13c.
- user information such as a user name can be input using the number buttons 13c.
- a number such as 1, 5, 16, 16 or 10 may be combined in order, or an alphabet may be used, for example.
- Japanese characters may be input from the number buttons 13 c using, for example, Roman characters. In this case, register in Japanese as user information. Recording is also possible.
- User button 13 d is a button for displaying a user selection screen.
- the user button 13d displays a user selection screen as shown in FIG. 4, for example.
- the user selection is performed, for example, at the time of recording / reproduction to determine which user has recorded or reproduced (viewed).
- the user can be selected by moving the pointer P displayed on the display panel 12 using, for example, the move / select button 13f.
- the selection result is displayed, for example, as shown in FIG. 4 by providing a column indicating the selection (“selection” column). Alternatively, it may be displayed by, for example, changing the color of the user name of the selected user.
- the user registration information to the recording / reproducing apparatus 1 can be added, modified, or deleted.
- the password button 13 e is a button for inputting a password when selecting a user.
- the move / select button 13 f is a pointing device that can move up, down, left, and right. Thereby, the user can be selected by moving the pointer P appearing on the display panel 12.
- the stop button 13 g is a button for stopping the recording / reproducing operation in the recording / reproducing device 1.
- the playback button 13 h is a button for starting a playback operation in the recording and playback device 1.
- the recording button 13 i is a button for starting a recording operation in the recording / reproducing apparatus 1.
- the mouse 14 shown in Fig. 3 is a pointing device that is often used in personal computers (PCs). This ma The mouse 14 can be used to move the pointer P appearing on the display panel 12 shown in FIG. 4 to select a user.
- PCs personal computers
- the user operation unit 5 of the present embodiment has been described as including the remote controller 13 and the mouse 14 as described above, the present invention is not limited to this. Various other pointing devices have been put into practical use, and it is of course possible to use other pointing devices as the user operation unit 5.
- the user information to be input / selected using the remote controller 13 or the like is stored not only in a recording medium such as the optical disk D but also in the user information recording section 8 of the recording / reproducing apparatus 1. Therefore, even when the recording medium is not inserted into the recording / reproducing apparatus 1, information on all the users who use the apparatus can be displayed together with the activation of the recording / reproducing apparatus 1. Further, even if the recording medium is not inserted into the recording / reproducing apparatus 1, user information of a user who may use the recording / reproducing apparatus 1 can be registered.
- the user information recording section 8 of the main unit of the recording / reproducing apparatus 1 registers the user information of the user who may use the recording / reproducing apparatus 1.
- the user and user information recorded on the recording / reproducing apparatus 1 do not necessarily need to match the user and user information recorded on the optical disc D.
- the user using the recording / reproducing device 1 can select which information is to be displayed.
- various recording / reproducing conditions such as laser power, disk tilt correction, aberration correction, etc.
- laser power a parameter that is determined from the insertion of the optical disk D to the state where recording / reproduction is possible.
- it may take several tens of seconds or more. For this reason, for example, When the user information is recorded on the optical disc D, the user information is read after several tens of seconds.
- the user information is not recorded on the optical disk D but on a device (such as a semiconductor memory in the recording / reproducing apparatus 1) which can read data relatively quickly. It is stored in the information recording section 8).
- the user information can be read and displayed even during the waiting time until recording or reproduction on the optical disc D becomes possible, so that registration of the user to be viewed and various settings can be efficiently performed. It can be carried out.
- the optical disc D of the present embodiment stores content data composed of video information and audio information.
- an optical disk such as a rewritable DVD (digital versatile disk), which is a medium that requires an initial process for reproducing content
- the recording medium is not limited to an optical disk, and a magneto-optical disk or a magnetic disk can also be used.
- the types of data recorded on the optical disc D such as content data (content), user information, content information, history information, and the like are merely examples, and are not limited thereto.
- the disc recording / reproducing unit 9 transmits the content data input from the system control unit 2 via the information input unit 3, for example. Convert to a format that can be recorded on optical disc D and record on optical disc D. This data is displayed on the display panel 12.
- the content is reproduced.
- the user selects necessary content using the user operation unit 5.
- the number of the selected content is notified to the system control unit 2.
- the disc recording / reproducing section 9 of the recording / reproducing apparatus 1 takes out the content data recorded on the optical disc D, converts it into a format that can be reproduced by the information output section 4, and outputs it to the system control section 2. This data is displayed on the display panel 12.
- the recording / reproducing apparatus 1 when the recording / reproducing apparatus 1 initializes the optical disc D, the recording / reproducing apparatus 1 performs an initial process of the optical disc D according to an instruction from the system control unit 2. When the initial processing is completed, the system control unit 2 is notified of the completion of the initial processing of the optical disc D.
- the recording / reproducing apparatus 1 can also display history information.
- the system control unit 2 is notified and the history information is displayed on the display panel 12.
- a management method for a plurality of users as described below is performed so that the recording / reproducing apparatus 1 can be used by a plurality of users.
- the recording / reproducing apparatus 1 is configured to input user information of a user who uses the recording / reproducing apparatus 1 when the recording / reproducing apparatus 1 is used for the first time after purchase or when necessary. That is, the user operation unit 5 is used to register user information on a plurality of users who use the recording / reproducing device 1.
- the user selection screen shown in FIG. 4 the user name, information on the user (information), and a password (not shown) are also input.
- This user information is recorded in a user information recording unit 8 provided in the recording / reproducing device 1.
- a user selection screen is displayed based on the user information recorded in the user information recording unit 8. Thereby, user selection is performed. Also, according to the user selection and the execution result of the subsequent recording or reproduction of the content, etc., the history information in which the content information of the content is associated with each of the registered users is recorded and updated.
- a user selection screen as shown in FIG. 4 displayed on the display panel 12 is displayed. Then, using the pointer P, the user to be used is selected in the "selection” column. In the state shown in FIG. 4, as shown in the "selection” column, the users “A man” and “C man” are selected.
- the input device used at this time is not limited to the remote controller 13, but may be, for example, an operation unit of the user operation unit 5 of the recording / reproducing device 1, which is provided in the main unit of the recording / reproducing device 1. You may. However, if the remote controller 13 is used, it can be easily input and selected using the number button 13c or the move .selection button 13f.
- the viewing status of the user with respect to the content recorded on the optical disc D may be displayed.
- the viewing status of each user regarding the content may be displayed.
- This recording / reproducing operation is performed using the recording / reproducing apparatus 1 which has performed the above-described user registration and user selection.
- step S1 when the power button 13b of the remote controller 13 is selected in step S1, the power of the recording / reproducing apparatus 1 is turned on in S2.
- step S 2 when the play button 13 h or the record button 13 i of the remote controller 13 is selected (S 1), the power of the recording / reproducing apparatus 1 is also turned on (S 2 ).
- a user (viewer) to view is input (selected).
- the user who views the content is input.
- a television broadcast program is recorded (recorded) and viewed, a user who views the program is input.
- the user is selected by using the user selection screen shown in FIG. If no user information has been entered, the user is registered. Then select a user.
- the remote controller 13 since the user information is recorded in advance in the user information recording section 8 of the recording / reproducing apparatus 1, the remote controller 13 has a new function.
- the system control unit 2 displays a user selection screen on the display panel 12 as shown in FIG. That is, the user registered in the user information recording unit 8 is displayed for selection of a user who uses the recording / reproducing apparatus 1. By moving the pointer P, the users “A man” and “C man” are selected.
- the user information recording section 8 The information of the registered user can be read, and necessary information can be displayed on the external display device via the display panel 12 or the information output unit 4 from the information. Also, it is possible to select a user to view or record from now on from the displayed user information. Further, the user set in S3 may be regarded as a user who records or reproduces data on the optical disk D in a later step, and the user information may be updated. This will be described later.
- user authentication can be performed using a password registered as user information.
- the system control unit 2 may determine whether the user is a valid user of the content by checking a combination of the registered user information and the input information. In this case, if it is determined that the user is a valid user as a result of the determination, the process proceeds to the next step, and if it is determined that the user is not a valid user, the fact is displayed and the process is terminated. Good.
- authentication may be performed for each user, or authentication may be performed only for a user representing a plurality of users according to user information, for example. . In this way, the time and labor required for authentication can be saved.
- the disk ID recognition unit 10 recognizes the ID of the optical disk D. This makes it possible to read (play) each recorded content from the optical disc D. Also, recording of content on the optical disc D becomes possible. Even if the above ID cannot be recognized, information of the recorded content can be obtained from the recording information (TOC) of each disc.
- TOC recording information
- the system control unit 2 displays the history information (table) of a plurality of users as shown in FIG. Display on 2 and go to S7.
- the history information shown in FIG. 6 correlates the content recorded on the optical disc D with the registered user who uses the recording / reproducing apparatus 1 to form a table. That is, when the content information is obtained in S5, the history information management unit 15 creates history information in which the content information is associated with the user information recorded in the user information recording unit 8, or the history information recording unit 16 Extract from For example, when the history information item corresponding to the history information recording unit 16 is not included, the history information management unit 15 newly creates the item. Also, for example, if the corresponding history information item is history information If it is included in the recording unit 16, the history information management unit 15 extracts the corresponding item from the history information recording unit 16. Then, in S6, the system control unit 2 displays the corresponding item as a table on the display panel 12.
- “A man” and “C man” are selected as viewing users.
- the title, recording date and time, channel, and the like are displayed as content information of the content recorded on the optical disc D.
- the vertical column distinguishes the user and the horizontal column distinguishes the content.
- a plurality of users male A and male C are selected in the user selection at start-up (S2).
- the menu button 13a of the remote controller 13 is pressed from the state in which the table shown in FIG. 6 is displayed on the display panel 12, for example, as shown in FIG.
- the selection may be made by pressing a button, or may be selected by a pointer P displayed on the display panel 12.
- FIG. 8 shows an example of a viewing status display method for each content, which can be realized in the method of managing a plurality of users in the recording / reproducing apparatus 1. That is, as shown in FIG. 8, when one of the contents recorded on the optical disc D is selected, the viewing status of each user regarding only that content is recorded from the history information recording unit 16. Read and display. In addition to the viewing status, an item of viewing date and time of the user who has viewed the content may be displayed.
- FIG. 9 is an example of a viewing status display method for each user, which can be realized in a method of managing a plurality of users in the recording and reproducing apparatus 1. That is, as shown in FIG. 9, when one of the users is selected, the viewing status of each content recorded on the optical disc D for only that user is displayed.
- any of the display states shown in FIGS. 6, 7, 8, and 9 can be appropriately selected.
- the user “E child” is an unauthorized user “X”.
- the unauthorized user means viewing restriction for the user and also serves as erasing restriction indicating whether or not erasing is possible. That is, the user “E child” cannot watch the title “Movie Z”. Also, for this title “Movie Z”, the user “E child” cannot be deleted.
- the item of the erasure restriction can be set by using the user operation unit 5.
- the erasure limit for this title “Movie z” is set, for example, when recording this content. That is, for example, it has been described that a viewing user is selected on the user selection screen described with reference to FIG. 4, but at that time, a user who is not allowed to view may be selected. In this case, for example, on the user selection screen shown in FIG. 4, an item indicating whether or not the viewing is not permitted may be further displayed to allow the user to select. Alternatively, after the user is selected, whether or not the viewing is not permitted may be selected by further pressing the user button 13 d of the remote controller 13, for example.
- a recording operation is performed.
- This recording operation corresponds to a setting for normal recording. For example, a content to be recorded is selected and a recording mode is set.
- a user to be recorded (recorder, recording user) is registered for the content to be recorded.
- the user registered in S9 is the user selected in S3 after the power is turned on in SI and S2, but may be selected again.
- the user to be recorded is registered because the user can be automatically registered as a viewing user. For example, the setting of the viewing user required to release the restriction on the content with erasure restriction can be easily performed. It is.
- the registered user is displayed as a recording user in FIG. 6, for example.
- all the users recorded in the user information recording unit 8 may be displayed again, and the user may be selected using the user operation unit 5. Further, the user or the like at the time of starting the recording / reproducing apparatus 1 registered in S3 may be made re-selectable. In reservation recording, the user may be set at the time of reservation. In most cases, the user registered in S3 at the time of startup usually has no problem. The registered user may be automatically registered as a recording user. Alternatively, the user input S9 may be performed after the recording surface operation is completed. Generally, since the recording operation S8 operates the recording switch, the one following the recording operation S10 is a general purpose.
- the content information (program name, recording date / time, recording time, content classification, etc.) of the newly recorded content is registered.
- the content information is recorded on the optical disc D.
- the history information management unit 15 records the scheduled viewing user in the history information recording unit 16 in association with the content information.
- the history information management unit 15 also records the recording user in the history information recording unit 16 in association with the content information. In this way, history information about a plurality of users using the recording / reproducing apparatus 1 is registered in association with the content recorded on the optical disc D.
- the viewing restriction and the erasure restriction for the content may be set for each scheduled viewing user. That is, the history information management unit 15 may record items of viewing restriction and erasure restriction in the history information recording unit 16.
- the history information may be recorded at the end of recording (after S11) or before recording is completed (before S11) as long as the selection of the recording user (S9) has been completed. Is also good.
- the history information is recorded in the history information recording section 16 provided in the apparatus, but the recording information may be recorded on the optical disc D.
- the recording information may be recorded on the optical disc D.
- the content of the optical disc D is rewritten, and the recording is performed accordingly. It is more efficient to record the history information on the optical disc D after the end of the image.
- recording is performed at S11 after S10. At this time, if all scheduled users view the content at the time of recording, the content can be deleted.
- the content recorded in S11 can be deleted thereafter. Therefore, in this case, for example, it may be displayed on the display panel 12 that the recording of the content is not performed, and the recording may be omitted. In this way, the recording area of the optical disk D can be saved.
- a playback operation is performed.
- This playback operation corresponds to a setting for normal playback. For example, a content to be played is selected and a playback mode is set.
- the content to be reproduced is recorded, for example, a user who is scheduled to view the content is recorded as history information.
- the history information includes information (viewable user information) indicating whether or not the user can view (play) the content for each content
- the user specified in S3 or the like may be used.
- a configuration may be adopted in which unviewed content common to the viewing user input in S3 is selected and displayed as the content to be reproduced. That is, for example, the table shown in FIG. 7 may be displayed on the display panel 12.
- the relationship between the content and the user is registered in the history information, such processing can be performed. In this way, even when a plurality of users view the content, the content to be viewed can be searched by a simple operation.
- the input of the viewing user is performed.
- this input as in the case of recording, since the user selection is made in S3 after the device is started, it may be omitted as the same content as S3. Alternatively, for example, the selection may be made using the user operation unit 5.
- the user input S 13 may be performed after the reproduction operation (S 14) is completed.
- the reproduction operation S12 operates the reproduction switch, and therefore, it is common that the reproduction operation S12 is followed by the reproduction operation S14.
- the history information includes information (viewable user information) indicating whether or not the user can view the content for each content
- the user identified in S13 and the history information are included in the history information.
- the user “E child” is the unauthorized user “X”.
- the user “E child” tries to view the title “Movie Z”
- viewing is possible in other cases.
- the process ends, and if the viewing is possible, the process proceeds to S14.
- the recording / reproducing apparatus 1 reproduces the selected content.
- the user input as the viewing user views the content.
- the history information management unit 15 records the history information of the user who actually viewed the content. Update the history information (playback items) for the above content recorded in Part 16.
- the history information management unit 15 updates the history information (play item) to the content that has been played
- the history information management unit 15 sets the above-mentioned erasure restriction item for the user's content to be erasable in response to this. Is also good.
- the history information management unit 15 determines that the item of the deletion restriction is set to be erasable for all users, the content may be deleted. This is because if it has been reproduced, it may be deleted.
- the history information management unit 15 creates the item (play item) in S15. May be recorded in the history information recording unit 16.
- a table created based on the rewritten history information may be displayed on the display panel 12 as a table as shown in FIG.
- the recording / reproducing device 1 determines whether or not each user has reproduced content for a plurality of users who use the recording / reproducing device 1 for each content recorded on the optical disc D.
- the playback item to be displayed is updated according to the playback of the content.
- the content recorded on the optical disc D is managed as history information by associating whether or not the user has viewed or not viewed the content. For example, since this information is displayed on the display panel 12 as a table, even a user other than the user can check the viewing status of the content. Therefore, it can be determined that the viewed content may be deleted. In addition, since the recordable recording capacity of the optical disc D can be recovered by erasing the content, new content can be recorded.
- the user name of the user information described above may use a user name created by the recording / reproducing apparatus 1 in advance. For example, "
- the history information includes information on the content and the user, in addition to the distinction between viewed and unviewed (playback history), information on erasure prohibition (erase restriction) may be set for each content.
- an item of erasure restriction may be provided as a separate item from viewing restriction.
- an item of the erasure restriction is obtained in addition to the reproduction history.
- the setting of the erasure restriction may be performed, for example, in S11 described above where the recording is completed.
- the erasure restriction may be canceled in S15 after the reproduction is completed. According to this, even if the content has been viewed, it is possible to prevent a third party not associated with the content from erasing the content. Therefore, it is effective when the recorded content is stored for a fixed period or permanently.
- the item of the erasure restriction may be included in at least one of the history information and the content information. That is, for example, a configuration may be employed in which the item of erasure restriction is included in content information and recorded on a recording medium. In this case, this content can be made erasable in other recording / reproducing devices.
- the item of the erasure restriction may be configured to be able to be associated with the history information or the user information.
- an item of erasure restriction may be registered in association with user information, and for example, a setting may be made such that a predetermined user can delete all contents, or another predetermined user cannot delete contents.
- the multiple users By using this management method, the user management and content management can be easily performed when recording / reproducing on a recording medium that has a large capacity, is used by multiple users, and records more content. It is possible to perform
- a content such as a moving image, a sound, or a television broadcast program can be recorded, and a method of managing a plurality of users in a recording / reproducing apparatus used by a plurality of users, and using the method.
- Recording device
- the recordable capacity of a single disc was about 4.7 GB for a rewritable DVD, but a next-generation optical disc that exceeds 25 GB has been announced.
- the capacity is increased in this way, it is possible to achieve a recording or reproduction time five times or more as long as the image quality is equivalent to that of a DVD. That As a result, the number of disc replacements is reduced, and more content is recorded on one disc.
- the disk is shared, the number of recorded users will increase. That is, one recording medium is shared by a plurality of users. Also, for example, when recording video content, the content recorded on the recording medium is shared by a plurality of users.
- information management such as viewing, unwatching, recording, and the like of a plurality of pieces of user information can be performed for each content recorded on a recording medium.
- the recording / reproducing device has a history information recording unit and records the information on a medium.
- Each recorded content has information such as viewing and unwatching by multiple users. This has made it possible to easily and easily manage files on a recording medium used by multiple users and having many contents.
- a personal computer is typical for managing users on the assumption that a plurality of users use the PC.
- PC personal computer
- Japanese Patent Laid-Open Publication No. 2001-35092 describes a method of user management in such a PC.
- the PC is intended for use by multiple users, the number of people who can operate the PC at the same time is usually one. Therefore, it is not configured to be enjoyed by a plurality of people at the same time as a television or an AV device connected to the television. For this reason, it was assumed that the recorded user would be the viewing user for each content, and no problems occurred with this assumption. For this reason, the problem of having each user view or record each content as information for each content was not recognized.
- conventional AV equipment for example, VTR
- VTR has a short recording time on one tape or disk, so it is sufficient to write the recorded contents on a label and display it.
- reproduction history information relating to a plurality of users has not been recorded. For this reason, there was no way to find out the information of multiple users, who has been viewed, and who is the unviewed user.
- the recording / reproducing apparatus of the present invention manages the reproduction history of the content recorded on the recording medium for each user, it can be used as a home recording / reproducing apparatus shared by a plurality of users. .
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- Engineering & Computer Science (AREA)
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- Computer Security & Cryptography (AREA)
- Multimedia (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Storage Device Security (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
Claims
Priority Applications (2)
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AU2003280862A AU2003280862A1 (en) | 2002-12-16 | 2003-11-18 | Recording/reproduction method and recording/reproduction device |
US10/538,302 US20060044975A1 (en) | 2002-12-16 | 2003-11-18 | Recording reproducing method and recording reproducing device |
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JP2002364294A JP2004199741A (ja) | 2002-12-16 | 2002-12-16 | 記録再生方法および記録再生装置 |
JP2002-364294 | 2002-12-16 |
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US (1) | US20060044975A1 (ja) |
JP (1) | JP2004199741A (ja) |
KR (1) | KR100712574B1 (ja) |
CN (1) | CN1726551A (ja) |
AU (1) | AU2003280862A1 (ja) |
WO (1) | WO2004055811A1 (ja) |
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JP4716675B2 (ja) * | 2004-05-25 | 2011-07-06 | 三洋電機株式会社 | 録音再生装置 |
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JP2007042173A (ja) * | 2005-08-01 | 2007-02-15 | Sony Corp | 電子機器、データ処理方法及びプログラム |
US7519627B2 (en) | 2005-08-04 | 2009-04-14 | International Business Machines Corporation | Method for automatic deletion scheduling of the plurality of files in multi-user a digital playback system |
JP2007141089A (ja) * | 2005-11-21 | 2007-06-07 | Hitachi Ltd | コンテンツ格納管理システム、コンテンツ格納管理方法、コンテンツ格納管理プログラム |
US7986686B2 (en) * | 2005-11-25 | 2011-07-26 | Cisco Technology, Inc. | Techniques for distributing network provider digital content to customer premises nodes |
US20070157247A1 (en) * | 2005-12-29 | 2007-07-05 | United Video Properties, Inc. | Systems and methods for managing content |
EP2328346A1 (en) * | 2005-12-29 | 2011-06-01 | United Video Properties, Inc. | Systems and Methods for Managing Content |
US20070157220A1 (en) * | 2005-12-29 | 2007-07-05 | United Video Properties, Inc. | Systems and methods for managing content |
US20070157242A1 (en) * | 2005-12-29 | 2007-07-05 | United Video Properties, Inc. | Systems and methods for managing content |
US20070157222A1 (en) * | 2005-12-29 | 2007-07-05 | United Video Properties, Inc. | Systems and methods for managing content |
JP2007214663A (ja) * | 2006-02-07 | 2007-08-23 | Funai Electric Co Ltd | テレビ放送視聴録画システム、録画再生装置及び視聴装置 |
JP2007250157A (ja) * | 2006-03-20 | 2007-09-27 | Casio Comput Co Ltd | 録画再生装置及びプログラム |
JP2009540738A (ja) | 2006-06-12 | 2009-11-19 | トムソン ライセンシング | デジタル・ビデオ・レコーダーのためのユーザー・メッセージ・システムおよび方法 |
JP2008072439A (ja) * | 2006-09-14 | 2008-03-27 | Sharp Corp | 録画装置 |
US20080147510A1 (en) * | 2006-12-18 | 2008-06-19 | General Instrument Corporation | Method and System for Managing Digital Content Stored in an Electronic Device |
KR100933629B1 (ko) * | 2007-06-12 | 2009-12-23 | 삼성전자주식회사 | 기록재생장치 및 그 제어방법 |
US20090142042A1 (en) * | 2007-11-30 | 2009-06-04 | At&T Delaware Intellectual Property, Inc. | Systems, methods, and computer products for a customized remote recording interface |
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JP2011254363A (ja) * | 2010-06-03 | 2011-12-15 | Toshiba Corp | 録画装置、映像表示装置、録画コンテンツ削除方法 |
JP2014045324A (ja) * | 2012-08-27 | 2014-03-13 | Funai Electric Co Ltd | 記録再生装置 |
JP2014107677A (ja) * | 2012-11-27 | 2014-06-09 | Toshiba Corp | 電子機器、電子機器の制御方法、電子機器の制御プログラム |
JP5844291B2 (ja) * | 2013-01-11 | 2016-01-13 | トムソン ライセンシングThomson Licensing | デジタル・ビデオ・レコーダーのためのユーザー・メッセージ・システムおよび方法 |
JP6406917B2 (ja) * | 2014-08-06 | 2018-10-17 | 三菱電機株式会社 | 録画再生装置及びプログラム |
JP6881831B2 (ja) * | 2015-03-31 | 2021-06-02 | 日本電気株式会社 | 情報処理システム、情報処理方法および情報処理プログラム |
EP3932042A1 (en) * | 2019-02-25 | 2022-01-05 | Pretechnology, Inc. | Method and apparatus for monitoring and tracking consumption of digital content |
US11395021B2 (en) * | 2020-03-23 | 2022-07-19 | Rovi Guides, Inc. | Systems and methods for managing storage of media content item |
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2002
- 2002-12-16 JP JP2002364294A patent/JP2004199741A/ja active Pending
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2003
- 2003-11-18 AU AU2003280862A patent/AU2003280862A1/en not_active Abandoned
- 2003-11-18 KR KR1020057010963A patent/KR100712574B1/ko not_active IP Right Cessation
- 2003-11-18 WO PCT/JP2003/014688 patent/WO2004055811A1/ja active Application Filing
- 2003-11-18 CN CNA2003801059341A patent/CN1726551A/zh active Pending
- 2003-11-18 US US10/538,302 patent/US20060044975A1/en not_active Abandoned
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Also Published As
Publication number | Publication date |
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AU2003280862A1 (en) | 2004-07-09 |
KR100712574B1 (ko) | 2007-04-30 |
CN1726551A (zh) | 2006-01-25 |
US20060044975A1 (en) | 2006-03-02 |
KR20050088435A (ko) | 2005-09-06 |
JP2004199741A (ja) | 2004-07-15 |
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