JP2008167275A - Information display system and information display method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an information display system and an information display method by which desired contents can easily be retrieved from contents recorded respectively in a plurality of recording devices without regard to that the desired contents are recorded in either one of the plurality of recording devices connected to an information display apparatus. <P>SOLUTION: A connection device management unit 21 generates merged content information by merging content information transmitted from a plurality of recording devices A, B, respectively, together with information specifying the recording devices A, B which transmit the content information and records the merged content information in a merged content information recording unit 22 and on the basis of the merged content information being recorded in the merged content information recording unit 22, a listing of contents recorded or reproduced by the plurality of recording devices A, B is displayed. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an information display system and information display method in which a plurality of recording devices such as digital video and hard disks are connected to an information display device such as a television device, and more particularly to a list of contents recorded or reproduced by the recording device. The present invention relates to an information display system and an information display method to be displayed on an information display device.

  In recent years, in a recording apparatus that records and reproduces content such as video and audio data on a storage medium such as an HDD, DVD, or HD-DVD, the capacity of the storage medium has been increased, and a large amount of content can be recorded on the storage medium. It is like that. Therefore, a user interface that can quickly find a user-desired content from a large amount of content recorded on a storage medium is desired, and keywords of the recorded content are organized and used for search (see, for example, Patent Document 1). It has been proposed to improve the operability by displaying a list with tabs color-coded according to the genre of content (see, for example, Patent Document 2).

However, in the prior art, a plurality of recording devices are connected to an information display device such as a television device, and when searching for desired content from a plurality of recording devices, the user selects one of the recording devices, Then, it is necessary to check the list of recorded contents to determine whether the desired content is recorded on the selected recording device, and to know which recording device the desired content is recorded on. If not, the content recorded in each of the plurality of recording devices must be confirmed, and the content search operation becomes complicated.
JP 2001-339683 A JP 2006-80621 A

  The present invention has been made in view of such problems, and the object of the present invention is, without being aware of which of the plurality of recording devices connected to the information display device is recording the desired content. An object of the present invention is to provide an information display system and an information display method capable of easily searching for desired contents from contents recorded in a plurality of recording devices.

In order to solve the above problems, the present invention has the following configuration.
The information display system of the present invention is an information display system in which a plurality of recording devices that record and reproduce content on a storage medium are connected to the information display device, and the recording device records or reproduces information on the storage medium. Content information recording means for recording content attribute information as content information, and content information transmitting means for transmitting the content information recorded in the content information recording means to the information display device, the information display device Integrated content information creating means for creating integrated content information obtained by integrating the content information transmitted from each of the recording devices together with information specifying the recording device that transmitted the content information, and the integrated content The integrated content created by the information creating means Based on the information, characterized by comprising a display means for displaying a list of recording or reproducing by said content by a plurality of said recording apparatus.

  Furthermore, in the information display system of the present invention, the information display device includes the integrated content recording unit that records the integrated content information created by the integrated content information creating unit, and the display unit includes the integrated content information A list of the contents recorded or reproduced by a plurality of the recording devices is displayed based on the integrated content information recorded in the content recording means.

  Further, in the information display system of the present invention, the information display device includes a power-on status confirmation unit that confirms a power-on status of the recording device, and the display unit displays the content list when the display is performed. The content recorded or reproduced by the recording device determined to be in a power-off state by the power-on status confirmation unit is displayed separately from the other content.

  Furthermore, in the information display system of the present invention, the content information recording unit of the recording device records the content information including a medium ID of the storage medium in which the content is recorded, and the information display device includes: A medium confirmation unit configured to confirm the storage medium mounted on the recording apparatus, wherein the display unit is configured to display the list of contents when the storage medium is not mounted on the recording apparatus by the medium confirmation unit; The content recorded or reproduced by the above is displayed separately from the other content.

  The information display method of the present invention is an information display method in an information display system in which a plurality of recording devices for recording / reproducing contents on a storage medium are connected to the information display device, and the recording device includes the storage medium The attribute information of the content recorded or reproduced is recorded as content information, and the recorded content information is transmitted to the information display device, and the information display device transmits the content respectively transmitted from the plurality of recording devices Integrated content information in which information is integrated with information for identifying the recording device that transmitted the content information is created, and the content recorded or reproduced by a plurality of the recording devices based on the created integrated content information It is characterized by displaying a list.

  Furthermore, in the information display method of the present invention, the information display device records the created integrated content information, and the content recorded or reproduced by the plurality of recording devices based on the recorded integrated content information It is characterized by displaying a list.

  Furthermore, in the information display method of the present invention, the information display device confirms the power-on status of the recording device, and is recorded in the recording device that is determined to be in the power-off state when displaying the list of contents. The content is displayed separately from the other content.

  Furthermore, in the information display method of the present invention, the content information including the medium ID of the storage medium on which the content is recorded is recorded, and the information display device is installed on the storage device. When the list of contents is displayed, the contents recorded on the storage medium not attached to the recording device are displayed separately from the other contents.

  The information display system and the information display method of the present invention are configured such that the recording device records the attribute information of the content recorded or reproduced on the storage medium as the content information, and transmits the recorded content information to the information display device. At the same time, in the information display device, the integrated content information is created by integrating the content information transmitted from each of the plurality of recording devices together with the information specifying the recording device that transmitted the content information, and based on the generated integrated content information By displaying a list of contents recorded or reproduced by a plurality of recording devices, the contents recorded or reproduced by a plurality of connected recording devices can be displayed as a list. Connected to an information display device. In addition, there is an effect that it is possible to easily search for the desired content from the content respectively recorded on the plurality of recording devices without being conscious of which of the plurality of recording devices is recording the desired content. .

  Furthermore, the information display system and the information display method of the present invention record the created integrated content information in the information display device, and list contents recorded or reproduced by a plurality of recording devices based on the recorded integrated content information. By displaying the list, when the list display is instructed, the list display can be performed quickly, and the list display can be performed even when the recording apparatus is in the power OFF state.

  Furthermore, in the information display system and the information display method of the present invention, in the information display device, the power-on status of the recording device is confirmed, and when the content list is displayed, the information is recorded or reproduced by the recording device determined to be in the power-off state. By configuring the content to be displayed separately from other content, the user can easily grasp the content that cannot be reproduced unless the recording device is turned on, and the operability can be improved. There is an effect.

Furthermore, the information display system and the information display method of the present invention are configured to record content information including the medium ID of the storage medium in which the content is recorded in the recording device, and in the information display device to the recording device. By checking the installed storage media and displaying the content list, the content recorded on the storage media not installed in the recording device is displayed separately from other content,
The user can easily grasp contents that cannot be reproduced unless the storage medium is exchanged, and the operability can be improved.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a block diagram showing a configuration of a television device which is an embodiment of an information display device according to the present invention, and FIG. 2 shows a configuration of a recording device connected to the television device shown in FIG. 3 is a block diagram, FIG. 3 is a diagram showing an example of content information recorded in the content information recording unit of the recording device shown in FIG. 2, and FIG. 4 is an integrated content information recording unit of the television device shown in FIG. It is a figure which shows the example of integrated content information recorded on this.

  The information display apparatus according to the present embodiment is a television apparatus 1. Referring to FIG. 1, a tuner 12 that selects a broadcast wave signal received by an antenna 11 and generates an intermediate frequency signal, and an intermediate frequency signal are displayed. The intermediate frequency processing unit 13 extracts and outputs the video signal V and the audio signal S by amplification and detection, and the video signal V and the audio signal S input from the intermediate frequency processing unit 13 or connected recording. An AV selector 14 that selects video and audio signals externally input from the devices A and B, an audio amplifier 16 that amplifies the audio signal S selected by the AV selector 14 and outputs the amplified signal from the speaker 15, and an AV selector 14 A Y / C separator 17 that separates the selected video signal V into a luminance signal Y and a color signal C; a color difference signal UV is demodulated from the color signal C; A chroma decoder 18 that outputs V, an LCD (liquid crystal display) 19 as display means, and an RGB processor 20 that converts the luminance signal Y and the color difference signal UV into RGB signals and displays them on the LCD 19 are connected. The connection device management unit 21 that manages the recording devices A and B, the integrated content information recording unit 22 that records the integrated content information obtained by integrating the content information collected from each of the recording devices A and B, and the integrated content information recording unit 22 An OSD character generator 23 for displaying a list screen based on the recorded integrated content information on the LCD 19, and a command signal converted into an infrared modulation signal or the like output from the remote control device 3 functioning as an operation unit of the television device 1. Control unit 24 and various operations of television device 1 And a microcomputer 25 is a system controller that.

  The remote control device 3 is provided with various operation buttons 31 composed of a plurality of key groups (ten keys, cross keys, etc.). When the operation button 31 is operated, a corresponding command signal is output as an infrared modulation signal. The

  The recording devices A and B have a function of recording / reproducing contents such as video / audio data in / from a storage medium 5 such as an HDD, DVD, HD-DVD or the like. Referring to FIG. A tuner 42 that selects a wave signal and generates an intermediate frequency signal; an intermediate frequency processing unit 43 that extracts and outputs the video signal V and the audio signal S by amplifying and detecting the intermediate frequency signal; and the storage medium 5 In addition to recording content, a recording / playback control unit 45 that plays back the content recorded in the storage medium 5, a content information recording unit 46 that records content information, and a communication control unit that communicates with the television apparatus 1 47.

  The recording / playback control unit 45 of the recording devices A and B encodes the video signal V and the audio signal S output from the intermediate frequency processing unit 43 into a predetermined format and stores them based on a user operation using the operation unit 44. In addition to recording on the medium 5, the content recorded on the storage medium 5 in a predetermined format is decoded to output a video signal V and an audio signal S. In addition, the recording / playback control unit 45 has a function of identifying the storage medium 5 on which the content has been recorded / played back by the medium ID. Record in 5. Further, the recording / playback control unit 45 records content attribute information recorded in the storage medium 5 as content information in the content information recording unit 46, and stores content attribute information deleted from the storage medium 5 in the content information recording unit 46. Delete from the recorded content information. Note that the content attribute information can be acquired from program information included in the received broadcast wave signal, input from the operation unit 44, and information recorded in the storage medium 5 in advance.

  The content information recorded in the content information recording unit 46 of the recording devices A and B is attribute information of the content recorded in the storage medium 5, and referring to FIG. 3, the medium ID of the recorded storage medium 5 and the content name And a large genre and a small genre indicating the type of content. 3A shows an example of content information recorded in the content information recording unit 46 of the recording device A, and FIG. 3B shows content recorded in the content information recording unit 46 of the recording device B. Each example of information is shown. Further, as the content information, various attribute information such as a channel when the content is recorded, a recording date and time, a source (broadcast / external input), a reproduction time and a recording mode, and performers may be recorded.

  The communication control unit 47 of the recording devices A and B records the content in the storage medium 5 and deletes the content recorded in the storage medium 5 by the content information recording unit 46 and records the content in the content information recording unit 46. When the content information is added or deleted, the added content and the deleted content are transmitted to the television apparatus 1. In addition, when the television apparatus 1 is in a power-off state at the time of transmission of the content information addition content and content deletion content, the content information addition content and content deletion and the medium ID of the storage medium 5 are stored. It is good to transmit when the power of the television apparatus 1 is turned on. Further, the communication control unit 47 manages the medium ID of the attached storage medium 5, and responds to the inquiry from the television apparatus 1, and the medium ID of the attached storage medium 5 is set to the television apparatus. 1 to send. For communication between the television device 1 and the recording devices A and B, when the television device 1 and the recording devices A and B are connected by an HDMI cable, the video and audio digital transmission lines are separately provided. A prepared CEC transmission line for expansion can be used.

  When the connection device management unit 21 of the television apparatus 1 receives the content information addition content and the content deletion content from the recording devices A and B, it creates integrated content information by integrating the content information received from each of the recording devices A and B. To be recorded in the integrated content information recording unit 22. When a list display is instructed by the remote control device 3, the power-on statuses of the recording devices A and B are confirmed, and the medium IDs of the storage media 5 attached to the recording devices A and B are confirmed. .

  As shown in FIG. 4, the integrated content information recorded in the integrated content information recording unit 22 of the television device 1 includes the content information recorded in the content information recording unit 46 of the recording device A and the content of the recording device B. The content information recorded in the information recording unit 46 is integrated, and in addition to the content information item recorded in the content information recording unit 46, the recording device that acquired the content information is set as an item. Yes.

Next, the list display operation in the present embodiment will be described in detail with reference to FIGS.
FIG. 5 is a flowchart for explaining a list display operation in the television apparatus shown in FIG. 1, FIG. 6 is a diagram showing an example of a collective list displayed on the LCD shown in FIG. 1, and FIG. FIG. 8 is a diagram showing a list example by device displayed on the LCD shown in FIG. 1, and FIG. 8 is a diagram showing a list example by genre displayed on the LCD shown in FIG.

  Referring to FIG. 5, when the remote controller 3 is operated by the user and a command for instructing list display is received by the receiving unit 24 (step A1), the microcomputer 25 causes the connecting device managing unit 21 to record the recording devices A and B. The connection device management unit 21 confirms the power-on status of each of the recording devices A and B (step A2) and the recording device. The medium ID of the storage medium 5 attached to A and B is confirmed (step A3).

  Next, the microcomputer 25 determines whether or not the list display display mode is a batch list display (step A4), and determines whether or not the list display mode is a device section list display (step A5). ). In the present embodiment, the list display display mode can be selected from any of the three modes of the collective list display, the device-specific list display, or the genre-specific list display, and the list display display mode is the collective display mode. If it is not a list display and is not a device part list display, it is determined that the display mode of the list display is a genre part list display. The display mode of the list display may be set in advance to any one of the collective list display, the device unit list display, and the genre unit list display, or may be set by the user.

  When the display mode of the list display is a collective list display, the microcomputer 25 instructs the OSD character generator 23 to display the collective list, and the OSD character generator 23 is recorded in the integrated content information recording unit 22. A collective list as shown in FIG. 6 is displayed on the LCD 19 based on the integrated content information, the power-on status of the recording devices A and B confirmed by the connection device management unit 21 and the medium ID of the mounted storage medium 5. (Step A6). Referring to FIG. 6, the collective list is a list display of content names described in the integrated content information recorded in the integrated content information recording unit 22. In the collective list, the content name is displayed in different colors for each recording device that is recorded and reproduced, and displayed in different fonts so that the distinction between the recorded devices A and B can be identified. Sorted and displayed based on items. Furthermore, in the batch list, the content names recorded and reproduced by the recording devices A and B with the power turned off and the content names recorded in the storage medium 5 not mounted with the recording devices A and B are displayed in gray-down display. It is displayed in distinction from other content names, such as in white or white.

  When the display mode of the list display is the device unit list display, the microcomputer 25 instructs the OSD character generator 23 to display the device-specific list, and the OSD character generator 23 records in the integrated content information recording unit 22. 7 for each device as shown in FIG. 7 based on the integrated content information, the power-on status of the recording devices A and B confirmed by the connection device management unit 21 and the medium ID of the attached storage medium 5 A list is displayed on the LCD 19 (step A7). Referring to FIG. 7, the device-specific list is a list display for each recording device of the content name described in the integrated content information recorded in the integrated content information recording unit 22. , B can be switched and displayed. In the collective list, the content names are sorted and displayed based on predetermined items, and the content names recorded and reproduced by the recording devices A and B with the power turned off and the recording devices A and B are attached. The content name recorded in the storage medium 5 that is not displayed is distinguished from other content names by gray-down display or white display.

  When the display mode of the list display is the genre part list display, the microcomputer 25 instructs the OSD character generator 23 to display the list by genre, and the OSD character generator 23 records in the integrated content information recording part 22. Genre as shown in FIG. 8 based on the integrated content information, the power-on status of the recording devices A and B confirmed by the connection device management unit 21, and the medium ID of the storage medium 5 attached A list is displayed on the LCD 19 (step A8). Referring to FIG. 8 (a), the list by genre is a list display for each major genre of content names described in the integrated content information recorded in the integrated content information recording unit 22, depending on the tab distinction item. The genre can be switched and displayed. In the collective list, the content name is displayed in different colors for each recording device that is recorded and reproduced, and displayed in different fonts so that the distinction between the recorded devices A and B can be identified. Sorted and displayed based on items. Further, the content names recorded and reproduced by the recording devices A and B with the power turned off and the content names recorded on the storage medium 5 not equipped with the recording devices A and B are displayed in gray-down display or white display. Etc. and are distinguished from other content names. Further, when there is a small genre that further divides the large genre, as shown in FIG. 8B, the items of the small genre are displayed as a list, and the content names of the selected small genre are displayed as a list. May be.

  It should be noted that the color arrangement, sort items, display font, and the like in the collective list, the device-specific list, and the genre-specific list can be preferably customized by the user so that the user can customize the display format as desired. . Further, in the present embodiment, an example has been described in which three types of collective list display, device-specific list display, and genre-specific list display are set as display modes. However, when other items are provided as content information Alternatively, other item-specific display modes may be adopted, or the user may add a new item of content information and set the display mode of the added item.

  Next, the microcomputer 25 monitors the input of the display mode change instruction, that is, the reception of the command instructing the display unit to be changed by the receiving unit 24 when the remote controller 3 is operated by the user (step A9), and the list display. The remote control device 3 is operated by the user, that is, the reception unit 24 monitors the reception of the command for instructing the end of the display mode or the instruction for reproducing the content ( When a display mode change instruction is input in step A10) and step A9, the list is displayed in the changed display mode by returning to step A4, and when a display mode end instruction is input in step A10, a list display is displayed. End.

Next, the reproduction instruction operation in the present embodiment will be described in detail with reference to FIG.
FIG. 9 is a flowchart for explaining a reproduction instruction operation in the television apparatus shown in FIG.

  The remote controller 3 is operated by the user while any of the content names described in the collective list, the device-specific list, or the genre-specific list is selected by a cursor (not shown), and a command instructing reproduction is received by the receiving unit 24 When this is done (step B1), the microcomputer 25 determines whether or not the recording device (hereinafter referred to as the target device) on which the content instructed to be reproduced has been recorded and reproduced (step B2). It is determined whether or not the storage medium 5 (hereinafter referred to as the target medium) in which the content instructed is recorded is attached to the target apparatus (step B3), the target apparatus is powered on, and the target medium is If it is attached to the target device, the target device is instructed to start playback of the content instructed to be played back (STEP). B4).

  If the target device is not turned on in step B2 and is in a power-off state, the microcomputer 25 uses the OSD character generator 23 to display a power-on message for prompting the target device to be turned on on the LCD 19. (Step B5), the power-on of the target device is monitored (Step B6). When the power of the target device is turned on, Step B3 is reached.

  If the target medium is not loaded in the target device in step B3, the microcomputer 25 uses the OSD character generator 23 to display on the LCD 19 a medium exchange message that prompts the target device to load the target medium (step B7). ), Monitoring the mounting of the target medium on the target device (step B8), and when the target medium is mounted on the target device, the process proceeds to step B4.

  In the present embodiment, the content information is transmitted from the recording devices A and B to the television device 1. However, when the power is turned on or periodically transmitted from the television device 1 side, the request is transmitted. The content information may be transmitted from the recording devices A and B to the television device 1.

  In addition, in the recording apparatuses A and B, when the storage medium 5 on which the content is recorded by another apparatus is loaded, the medium ID and the content attribute at the time when the storage medium 5 is loaded in the recording apparatuses A and B It is preferable that the read medium ID and content attribute information are newly added as content information by reading the information. Further, when a storage medium 5 such as commercially available DVD software is installed in the recording apparatuses A and B, it is possible to set whether or not to add as content information, so that content information for each content is held. Therefore, it is possible to select a memory capacity saving required for the operation, and to increase the upper limit of the number of contents that can be registered as content information.

  In the present embodiment, the integrated content information recording unit 22 is provided in the television device 1 so that the integrated content information obtained by integrating the content information of the recording device A and the content information of the recording device B is recorded. However, when the remote control device 3 is operated by the user without receiving the integrated content information recorded in the television device 1 and a command for instructing the list display is received by the reception unit 24, the recording device A The content information and the content information of the recording apparatus B may be acquired and displayed as a list.

  Further, in the present embodiment, the recording apparatuses A and B to which the storage medium 5 can be attached and detached have been described. However, as the recording apparatuses A and B, a type in which the storage medium 5 such as an HDD is fixedly used is used. In addition, a type that is compatible with a plurality of different storage media 5 may be used.

  As described above, according to the present embodiment, in the recording apparatuses A and B, the attribute information of the content recorded or reproduced on the storage medium 5 is recorded as content information in the content information recording unit 46, and the communication control unit 47 is configured to transmit the content information recorded in the content information recording unit 46 to the television apparatus 1. In the television apparatus 1, the connection device management unit 21 is transmitted from each of the plurality of recording devices A and B. The integrated content information is created by integrating the content information to be recorded together with the information for identifying the recording devices A and B that transmitted the content information, and the OSD character generator 23 converts the integrated content information created by the connection device management unit 21 into the integrated content information. Based on the recording or reproduction by a plurality of recording devices A and B. By configuring so as to display a list of contents, it is possible to display a list of contents recorded or reproduced by a plurality of connected recording apparatuses A and B as a single list. Easily search for the desired content from the content recorded on each of the plurality of recording devices A and B without being conscious of which of the plurality of connected recording devices A and B is recording the desired content There is an effect that can be done.

  Furthermore, according to the present embodiment, in the television device 1, the integrated content information created by the connection device management unit 21 is recorded in the integrated content information recording unit 22 and recorded in the integrated content information recording unit 22. By displaying a list of contents recorded or reproduced by a plurality of recording devices A and B based on the integrated content information, the list display can be performed quickly when the list display is instructed. In addition, it is possible to display a list even when the recording apparatuses A and B are in a power-off state.

  Furthermore, according to the present embodiment, in the television device 1, the connection device management unit 21 checks the power-on status of the recording devices A and B, and the OSD character generator 23 displays the content list. The content recorded or reproduced by the recording devices A and B determined to be in the power-off state is displayed so as to be distinguished from other content, so that the reproduction is performed unless the user turns on the recording devices A and B. It is possible to easily grasp the contents that cannot be performed and to improve the operability.

  Furthermore, according to the present embodiment, the recording devices A and B are configured to record the content information including the medium ID of the storage medium 5 on which the content is recorded, and the television device 1 includes the connection device. The management unit 21 confirms the storage medium 5 attached to the recording devices A and B, and the OSD character generator 23 records on the storage medium not attached to the recording devices A and B when displaying the list of contents. By configuring so that the displayed content is distinguished from other content, the user can easily grasp the content that cannot be reproduced unless the storage medium is replaced, and the operability can be improved. There is an effect.

  Note that the present invention is not limited to the above-described embodiments, and it is obvious that the embodiments can be appropriately changed within the scope of the technical idea of the present invention. In addition, the number, position, shape, and the like of the constituent members are not limited to the above-described embodiment, and can be set to a suitable number, position, shape, and the like in practicing the present invention. In each figure, the same numerals are given to the same component.

It is a block diagram which shows the structure of the television apparatus which is embodiment of the information display apparatus which concerns on this invention. It is a block diagram which shows the structure of the recording device connected to the television apparatus shown in FIG. It is a figure which shows the example of content information recorded on the content information recording part of the recording device shown in FIG. It is a figure which shows the example of integrated content information recorded on the integrated content information recording part of the television apparatus shown in FIG. 6 is a flowchart for explaining a list display operation in the television apparatus shown in FIG. 1. It is a figure which shows the package list example displayed on LCD shown in FIG. It is a figure which shows the example list according to apparatus displayed on LCD shown in FIG. It is a figure which shows the example list according to the genre displayed on LCD shown in FIG. 4 is a flowchart for explaining a reproduction instruction operation in the television apparatus shown in FIG. 1.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Television apparatus 3 Remote control apparatus 5 Storage medium 11 Antenna 12 Tuner 13 Intermediate frequency processing part 14 AV selector 15 Speaker 16 Audio | voice amplifier 17 Y / C separation part 18 Chroma decoder 19 LCD
DESCRIPTION OF SYMBOLS 20 RGB processor 21 Connection apparatus management part 22 Integrated content information recording part 23 OSD character generator 24 Reception part 25 Microcomputer 31 Operation button 41 Antenna 42 Tuner 43 Intermediate frequency processing part 44 Operation part 45 Recording / reproduction control part 46 Content information recording part 47 Communication control unit A, B Recording device

Claims (8)

An information display system in which a plurality of recording devices that record and reproduce content on a storage medium are connected to an information display device,
The recording device includes content information recording means for recording attribute information of the content recorded or reproduced on the storage medium as content information;
Content information transmitting means for transmitting the content information recorded in the content information recording means to the information display device;
The information display device includes integrated content information creating means for creating integrated content information by integrating the content information transmitted from each of the plurality of recording devices together with information specifying the recording device that has transmitted the content information. ,
An information display system comprising: display means for displaying a list of contents recorded or reproduced by the plurality of recording devices based on the integrated content information created by the integrated content information creating means. . The information display device comprises the integrated content recording means for recording the integrated content information created by the integrated content information creating means,
2. The display unit according to claim 1, wherein the display unit displays a list of the contents recorded or reproduced by a plurality of the recording devices based on the integrated content information recorded in the integrated content recording unit. Information display system. The information display device comprises power-on status confirmation means for confirming the power-on status of the recording device,
The display means displays the content recorded or reproduced by the recording device determined to be in a power-off state by the power-on status confirmation means in distinction from the other contents when displaying the list of contents. The information display system according to claim 1 or 2, characterized in that The content information recording means of the recording device records the content information including a medium ID of the storage medium on which the content is recorded,
The information display device includes medium confirmation means for confirming the storage medium mounted on the recording device,
The display means displays the content recorded or reproduced by the storage medium not attached to the recording device by the medium confirmation means in distinction from the other contents when displaying the list of contents. The information display system according to any one of claims 1 to 3. An information display method in an information display system in which a plurality of recording devices for recording and reproducing content on a storage medium are connected to an information display device,
The recording device records attribute information of the content recorded or reproduced on the storage medium as content information, and transmits the recorded content information to the information display device;
The information display device creates integrated content information in which the content information transmitted from each of the plurality of recording devices is integrated with information for identifying the recording device that has transmitted the content information,
A list of contents recorded or reproduced by a plurality of recording devices is displayed based on the created integrated content information. The information display device records the created integrated content information,
6. The information display method according to claim 5, wherein a list of the contents recorded or reproduced by a plurality of the recording devices is displayed based on the recorded integrated content information. The information display device confirms the power-on status of the recording device,
The information display method according to claim 5 or 6, wherein when displaying the list of contents, the contents recorded in the recording apparatus determined to be in a power-off state are displayed separately from the other contents. The recording device records the content information including a medium ID of the storage medium in which the content is recorded;
The information display device confirms the storage medium attached to the recording device,
8. The content list according to claim 5, wherein the content recorded on the storage medium not attached to the recording device is displayed separately from the other content when the content list is displayed. The information display method described.

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