JP2002343019A - Method and device for display control - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem that information indicating which part of contents that a viewer is going to reproduce can be reproduced/copied can not be displayed (presented) in understandable form for the viewer. SOLUTION: Received data and copyright information of this data are recorded in a recording medium together with time information inputted from a timer. At reproducing, a display means which performs display to a user in accordance with reproduced copyright information changes display contents in accordance with the time difference between time information in which the data recorded in the recording medium, the copyright information and the time information are read out from the recording medium and the time information inputted from the timer means.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a broadcast receiving apparatus, and more particularly, to a display control apparatus and a display control method in a recording / reproducing display control apparatus for recording / reproducing broadcast contents.

[0002]

2. Description of the Related Art Conventionally, a method of performing a predetermined display relating to reproduction restriction based on reproduction restriction information of content recorded on a recording medium is disclosed in, for example, JP-A-2001-567.
Japanese Patent Publication No. 84 (Sony Corporation) is known, in which the contents of reproduction restriction information relating to reproduction restrictions added to reproduction data are notified to the user in an easy-to-understand manner, and reproduction processing for reproduction data is restricted. To

[0003] More specifically, playback restriction information is detected from the digital music content C1 having the playback restriction information and music data D1 stored in the flash memory 30, and a predetermined playback restriction information is determined based on the detected playback restriction information. Is displayed, and a predetermined restriction is imposed on the reproduction processing of the music data D1, so that the user can recognize the content of the reproduction restriction information added to the music data D1 by display or voice, and The reproduction process of the data D1 can be restricted.

[0004] In the above document, whether or not this content can be reproduced is displayed based on the number of times of reproduction and the reproduction time limit of the stored content. However, this control does not take into consideration the case where the control changes depending on the reproduction location of the content and the current time.

[0005] In some cases, the creator of the content specifies reproduction conditions for the content under copyright. As a copyright owner, you want to prevent copying of content if possible. However, considering the convenience of the viewer, for example, when the content is distributed by broadcasting, the content cannot be viewed / recorded (permanent storage, etc.) unless the viewer receives the content at the broadcast time. There is inconvenience.

[0006] In order to eliminate this inconvenience as much as possible, as the reproduction conditions of the copyright owner's content, (1) the content is received and recording is started, and the content is accumulated for a certain period of time.
The data may be reproduced, or (2) after being accumulated in a first recording medium (for example, an HDD (hard disk drive)) for a certain period of time, and then further to a second recording medium (for example, DVHS).
(Digital VHS)), it is possible to achieve both convenience for the copyright owner and the viewer.

To explain a specific example, for example, a broadcasting station broadcasts a program for 120 minutes. Note that, as a reproduction condition of this program, it is not permitted to record and save the entire program at the will of the copyright holder, but it is necessary to record the program up to 90 minutes after reception on a recording medium (for example, HDD) and watch it repeatedly and freely. The description will be made assuming that the information is transmitted as good.

[0008] The viewer receives this program at the receiver from the start of the broadcast of the program, and starts recording on the HDD. The viewer can return to the beginning of the program within 90 minutes from the start of the reception of the program, and can freely reproduce and view the program recorded on the HDD from the beginning of the program.

[0009] When 90 minutes have elapsed since the start of receiving the program, the portion recorded for 90 minutes after the start of reception cannot be sequentially reproduced.

For example, when 100 minutes have elapsed from the start of reception of this program, the program recorded on the HDD cannot be reproduced from the start of reception of the program until 10 minutes have elapsed after the start of reception of the program. With respect to the portion from 10 minutes after the start to the current time, the program recorded in the HDD can be reproduced and viewed repeatedly.

When the broadcast of the program ends after 120 minutes have elapsed from the start of the broadcast of the program, the portion after the lapse of 30 minutes after the start of the reception of the program,
The program recorded on the HDD can be reproduced and viewed repeatedly.

When 210 minutes have elapsed from the start of the broadcasting of the program, since all the parts of the program have elapsed 90 minutes after reception, any part of the program has no HD.
Playback from D becomes impossible.

[0013] In other words, even if the partial part of the content is held in the HDD for 90 minutes after reception, this is intended for the user to temporarily shift the viewing time, and is not a permanent accumulation. Therefore, it can be considered that this is not considered to have been recorded.

Further, this concept can be applied to the content that "recording and saving is permitted once (one generation)".

For example, a broadcasting station broadcasts a program for 120 minutes. As for the reproduction conditions of this program, it is permitted to record and save the entire program once (one generation) by the copyright holder's will. (For example, DVHS) and transmitted.

In this case, the program recorded on the HDD can be traced back to the DVHS within 90 minutes after receiving the program. When 210 minutes have elapsed from the start of the broadcast of the program, since all the parts of the program have elapsed 90 minutes after reception, any part of the program can be reproduced from the HDD and copied. become unable.

Conventionally, as described above, the case where the conditions such as reproducible and copyable are changed depending on the reproduction location of the content and the current time is not considered. There has been a problem that information such as whether or not a part can be reproduced / copied cannot be displayed (presented) in a format that is easy for the viewer to understand.

[0018]

As described above, in the conventional display control device and display control method, consideration is given to the case where the conditions such as reproducible and copyable change depending on the content reproduction location and the current time. Therefore, there is a problem that information such as which part of the content to be reproduced by the viewer can be reproduced / copied cannot be displayed (presented) in a format that is easy for the viewer to understand.

According to the present invention, even when the conditions such as reproducible and copyable are changed depending on the reproduction location of the content and the current time, which part of the content the viewer wants to reproduce can be reproduced / copied. It is an object of the present invention to provide a display control device and a display control method capable of displaying (presenting) information such as whether the information is easy to understand for a viewer.

[0020]

According to the present invention, there is provided a receiving means for receiving data and copyright information of the data, and outputting the received data and the copyright information. A timer that outputs time information obtained by ticking time, a recording unit that records the data and the copyright information input from the receiving unit on a recording medium together with the time information input from the timer, A reproducing unit that reads the data, the copyright information, and the time information recorded on the recording medium from the recording medium; the time information input from the reproducing unit; and the time input from the timer unit. A time difference detecting means for detecting a time difference from information, and displaying to a user according to the copyright information reproduced by the reproducing means. Comprising a shown means, said display means provides a display control apparatus characterized by changing the contents to be displayed according to the difference between the time difference and a predetermined length of time.

Further, in the present invention, a step of receiving the data and the copyright information of the data by the receiving means, outputting the received data and the copyright information, and Outputting information, recording means for recording the data and the copyright information inputted from the receiving means together with the time information inputted from the timer on a recording medium, and reproducing means, Reading the data, the copyright information, and the time information recorded on the recording medium from the recording medium; and, by a time difference detecting means, the time information input from the reproducing means; Detecting a time difference from the obtained time information, and displaying means for the user. Displaying the content displayed according to the difference between the time difference and the predetermined length of time in accordance with the copyright information reproduced by the reproducing means. Provide a way.

[0022]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a diagram showing a configuration of a recording / reproduction display control device according to the present invention.

Tuner 101 receives the broadcast content and outputs the received content to common bus 110.

The CPU 104 has a current time timer 102
The reception time is read from the HDD 111 and recorded as a file in the HDD 111 in association with the content received from the tuner 101.

The CPU 104 reads a user's instruction from a remote controller or the like from the user instruction receiving unit 103.

The CPU 104 performs processing according to a flowchart described later, generates a graphic by the graphic generating device 105, and displays the graphic on the display output device 106. In the following description, the display refers to the display on the display output device 106 unless otherwise specified.

Further, the CPU 104 reads a file already recorded in the HDD 111 from the HDD 111 in response to an instruction from the user, and outputs the content data from the external output terminal 113 through the output control device 112 when copying is possible. The output control device 112 is a CPU
The data read from the HDD 111 by the
In accordance with an output instruction from the device 104, the device is converted into a format that can be received by an externally connected device and output to the external output terminal 113.

If the content data is data that can be displayed, the CPU 104 sends the content data to the decoding device 107. The decoding device 107 decodes the input content data and sends it to the display output device 106, and the display output device 106 displays the decoded content. If the content is audio, it is pronounced.

As a method of recording the content on the HDD 111, the reception time or the recording time may be added to the content data itself and recorded as the same file, or a time information file may be generated in association with the content data. May be recorded as a file separate from the content. The time information and copyright information are stored in HD
It may be recorded on the memory of the CPU 104 instead of D111.

In this specification, writing / writing of copyright information
For reading, it is expressed as recording / reproducing, and writing /
It has the same meaning as reading.

By storing the reception time or the recording time, it is possible to know when the recorded content has been received and recorded. The reception time does not necessarily need to be recorded in the HDD 111, and only the recording start time may be stored in a register of the CPU 104 or a memory. When each part of the content is received and recorded can be calculated from the length and position of the content itself.

If the data is encrypted and recorded on the HDD 111, the content data may be encrypted and recorded using key data obtained by calculating the recording time and the key information. This makes it possible to prevent the reception time or the recording time of the recorded content from being falsified.

Hereinafter, in this embodiment, the description will be continued assuming that the time information file is generated and recorded separately from the content file.

Next, an example of the time information file will be described in detail with reference to FIG. Figure 2 shows that the content is MP
FIG. 3 is a diagram showing an example of a time information file assuming an EG-compressed video and showing recorded contents.

In FIG. 2, every time one frame (picture) of video data is received, one line (one entry) is added to the time information file. The data included in one line include (1) the picture number of the picture,
(2) information indicating the position from the beginning of the file recorded on the HDD 111, (3) picture type,
(4) The time information (year, month,
Day, hour, minute, second, 1/30 second).

In the example shown in FIG.
In this example, recording is started from data received at 01: 00: 00: 00/30 seconds on the second day.

The "time information when picture was received" of (4) obtains information on when and when the part of the content to be reproduced was received (broadcasted) in the reproduction of the content. Used for

The "picture number" of (1) can be used for the same purpose. In order to obtain information on when and when the part of the content to be reproduced was received (broadcasted) in the reproduction of the content from the "picture number", the recording start time of the content is separately recorded. Since the value of the recording start time is Ts and the frequency of the picture is 29.98 Hz, if the picture number is N, the reception time or transmission time of the picture can be obtained as Ts + N / 29.98 (second). .

Since the picture number has a regularity of increasing one by one from the head, it is not necessary to record the picture number.

Next, the operation when reproduction is performed using this time information file will be described.

One entry of the time information file is:
(1) Picture number is 4 bytes, (2) Information indicating the head byte position recorded on HDD 111 is 7 bytes, picture type is 1 byte, and reception time is 8 bytes
Total of 20 bytes.

The information indicating the head byte position in (2) may be recorded instead of information indicating the number of packets when the recording data is in the TS packet format. For example, if the viewer jumps to the position 10 seconds after the start of recording and tries to reproduce, the position 10 seconds after the start of recording is 10 [sec] × 29.9
It can be seen that 8 [Hz] = about the 300th picture. this
The information of the 300th picture has an entry at the 300th (picture) * 20 [byte / picture] = 6,000 [byte] (addresses 6000 to 6009) from the top of the time information file shown in FIG.

By accessing this entry of the time information file shown in FIG. 2, (1) picture number,
(2) information indicating the position from the beginning of the file recorded on the HDD 111, (3) picture type,
(4) Received time information can be obtained.

Next, using the flowchart of FIG.
The operation of the recording start process for the DD 111 will be described.

The CPU 104 controls the user instruction receiving unit 10
3, a recording start instruction is received from the user (step 301).

Next, the CPU 104 determines the copyright information of the content.

Among the copyright information, types related to copying include copy free (Copy Free), copy once (CopyOnce),
There is Copy Never (Copy Never), Copy Free is copy (copy) possible, Copy Once is copy once (one generation), Copy Never is no more copy (copy) (that is, recording impossible) It is.

Copy free is free copy (Free Cop
y), Copy Once is sometimes called Once Copy, and Copy Never is sometimes called Never Copy. In addition, Copy Never is NoMore Copy in the sense that no more copies can be made.
Or, it is sometimes called copy no more.

Also, in this specification, the copyright information is not "permanent storage (recording), but temporarily stored in the HDD of the receiver for the purpose of temporarily shifting the viewing time by the user.
In the case where "it is possible to accumulate in 111 or the like", "pause is possible" is described, and in the opposite case, "pause is impossible" is described.

It is determined whether or not the content is “copy never (recordable)” and “pause impossible” (step 302).

In this embodiment, this "temporary" will be described hereinafter as being 90 minutes in the same manner as in the prior art. However, this "temporary" has a predetermined length different from 90 minutes, such as 60 minutes, 120 minutes, and the like. It may be.

The length of the "temporary" time may be fixed to 90 minutes from the beginning, for example.
It seems that one of the predetermined times (60 minutes, 90 minutes, one day, one week) to be used as one of the copyright information from the broadcasting station or the time itself is directly specified. There may be. Further, when the length of the “temporary” time is fixed, there is a problem that the ratio of going back varies depending on the length of the program. To prevent this problem, the ratio to the program length, for example, 25% of the program length
(In the case of 25% for a 60-minute program, the backward time is 15 minutes).

If it is determined in step 302 that "copy never" and "pause is impossible" (in the case of Yes), "this program cannot be recorded."
And display device 10 in the form of characters or icons
6 to control the graphic generator 105 to display it on the display, indicating to the user that this program cannot be recorded,
No actual recording is performed (step 303).

In addition to the display using icons or the like, the cursor may be displayed by changing its shape, brightness, color, or size.

In the following description, “display as a graphic such as an icon” displayed when it indicates that copying is not possible or reproduction is not possible means that the shape, brightness, color, and size of the cursor can be copied or reproduced. It is assumed that the display is replaced with the display.

Similarly, in the following description, “display as a figure such as an icon” displayed when it indicates that copying or reproduction is possible indicates that the shape, brightness, color, and size of the cursor cannot be copied. Displaying in place of the case where reproduction is not possible shall be included.

On the contrary, the CPU 104 proceeds to step 302
Does not become "copy never" and "pause impossible" (No), it is determined whether the content is "recordable" and "pause possible" (step 304). ).

The CPU 104 determines that "copy never" and "pause possible" are determined in step 304 (Ye
In the case of s), a graphic is generated to display on the display output device 106 in the form of a character or an icon such as "This program can be viewed retroactively within a range of 90 minutes after being stored in the HDD." The device 105 is controlled to indicate to the user that this program can be viewed retrospectively after accumulation if temporarily stored, and is actually recorded on the HDD 111 (step 305).

Conversely, the CPU 104 proceeds to step 304
If it is determined that the content is not "copy never" and "pause possible" (No), it is determined whether the content is "copy once" and "pause impossible" (step 306). ).

If the content is determined to be "copy once" and "pause impossible" in the determination of step 306 (in the case of Yes), ".
And you can watch it back anytime.・ H
The data stored in the DD cannot be copied to an external recording device. The graphic generation device 105 is controlled so that it is displayed on the display output device 106 in the form of characters or icons on the display output device 106. , The fact that playback and viewing is possible is presented, and recording is actually performed on the HDD 111 (step 307).

On the other hand, the CPU 104 proceeds to step 306
If the content does not become "copy once" and "pause impossible" in the determination of (No), it is determined whether or not the content is "copy once" and "pause possible" ( Step 308).

If the content is determined to be "copy once" and "pause possible" in the determination of step 308 (Yes), the CPU 104 "accumulates this program in the HDD and views it retrospectively at any time. -This program can be copied to an external recording device within 90 minutes after being stored in the HDD. " By controlling the generating device 105, the user is informed that the program can be temporarily copied retroactively to an external recording device, and that the program can be reproduced and viewed at any time. The data is presented and actually recorded on the HDD 111 (step 309).

On the other hand, the CPU 104 proceeds to step 308
If the content does not become "copy once" and "pause possible" in the determination of (No), it is displayed on the display output device 106 in the form of a character or icon such as "recording starts." Graphic generator 10
5 is presented to the user that the program can be recorded, and the recording is actually performed on the HDD 111 (step 31).
0). I do.

In general, when recording copy-once received content, the copyright information is recorded in a no-more-copy state. However, in the present proposal, pauseable content can be reproduced by copy-once depending on the time. In the case of pauseable contents, the copyright information is recorded as copy once (contents that cannot be paused may be recorded with the copyright information changed to no-more copy, or may be treated in the same manner as pauseable contents), and may be used during playback. The CPU 104 may determine whether copying is possible (copy once) or copying is not possible (no more copying) based on the time relationship.

When content is output from the external output terminal 113 to an external device, copyright information based on the result of this determination may be output.

When recording copy-once received content, the copyright information of the content is changed to no-more copy and recorded on the HDD 111, and information indicating that the content was originally copy-once is additionally recorded, and pause is possible. In the case of content, it can be copied (copy once) or not copyable (no more copy) due to time relations during playback
May be determined.

(Processing at the Time of Reproduction of Copy Never Content)

In the present specification, description will be made assuming that copy never content includes no more copy content.

Next, with reference to the flow charts of FIGS. 4 to 6, the processing at the time of reproducing the copy never content will be described.

The CPU 104 controls the HDD 1 from the user.
An instruction to start reproduction of the content (program) recorded in 11 is received through the user instruction receiving unit 103 (step 401).

Next, the CPU 104 determines whether or not the content to be reproduced is "pause possible" (step 4).
02).

Next, the CPU 104 determines that the result of the determination in step 402 is not "pause possible" (pause impossible) (No).
In the case of, "cannot be reproduced." Is displayed on the display output device 106 in the form of characters or icons (step 403).

If the result of the determination in step 402 is “pause possible” (Yes), the CPU 104 determines that the current time has elapsed within 90 minutes from the content recording start time (ie, current time <recording start time + 90 minutes). It is determined whether or not (step 404). At this time, if the copyright information changes in the middle of recording, the content is separated at the time of the change, and the content separated at the time of the change is processed independently. Is treated as the recording start time.

If the result of determination in step 404 is (no less than 90 minutes) (No), the CPU 104 proceeds to FIG.
A graphic bar indicating the time of the recording length of 90 minutes shown in (b) is displayed (step 406). In the example shown in FIG. 6B, a graphic bar is displayed so that the recording time of the entire bar indicates 90 minutes, and a scale of "45 minutes" is displayed near the center. Then, a message such as "Unable to copy from HDD to external recording device. Display possible."

Next, the CPU 104 receives an instruction to start reproduction by the user (step 407).

The user can specify the playback start position by pressing a rewind or fast forward button provided on the remote controller, or by moving the cursor indicating the playback position on the graphic bar above the graphic bar on the screen with a mouse or remote controller. There is a method of moving with a cursor button or the like.

Next, the CPU 104 reads a reproduction start position at which the user intends to start reproduction, and determines whether or not the reproduction start position is within 90 minutes of the current time (step 409).

Next, if the result of the determination in step 409 is that the designation is “within 90 minutes” (Yes), the CPU 104 proceeds to the next step 412 and “copy from HDD to external recording device”. "Impossible. Reproduction display is possible." Is displayed in a graphic such as characters or icons, and reproduction is started from the specified reproduction start position. At this time, a screen display as shown in FIG.

Conversely, the CPU 104 proceeds to step 409
If it is determined that "90 minutes or more" (No) is specified, the process proceeds to the next step 411, where "the part cannot be reproduced." Is displayed as a character or a graphic such as an icon. In addition, the cursor indicating the reproduction position is returned to a position above the graphic bar indicating the reproducible range, or is kept within a range that does not deviate from the reproducible range. Both of these may be performed. FIG. 6C shows a screen display example at this time.

At this time, as an image displayed on the screen, an image close to the first image in the reproducible range may be displayed as an alternative image, or the entire image may be displayed in blue or black or in advance to indicate that reproduction is not clearly possible. A determined predetermined image or the like may be displayed, an image reproduced immediately before may be displayed, or an image currently being broadcast may be displayed.

If the result of the determination in step 404 is "within 90 minutes" (Yes), the CPU 104 displays a graphic bar indicating the entire recording length shown in FIG. 6A (step 405). In the example shown in FIG. 6A, the recording length is 40 minutes, a graphic bar is displayed so that the recording time of the entire bar indicates about 40 minutes, and "20 minutes" is displayed near the center. The scale is displayed. And
A message such as “copying is not possible from the HDD to the external recording device. Playback display is possible.” Is displayed by a graphic such as characters or icons.

Next, CPU 104 receives an instruction from the user to start reproduction (step 408).

Next, the CPU 104 reads a reproduction start position at which the user intends to start reproduction, and determines whether or not this reproduction start position is within the entire recording length (reproducible portion) (is out of the entire recording length). Judgment (Step 41
0).

Next, if the result of determination in step 410 is that the reproduction start position is within the entire recording length (reproducible portion) (Yes), the next step 4
Then, the process proceeds to step S12, where "copying from the HDD to the external recording device is impossible. Reproduction display is possible" is displayed in characters or a graphic such as an icon, and reproduction is started from the specified reproduction start position.
At this time, a screen display as shown in FIG.

On the other hand, the CPU 104 proceeds to step 410
Is determined that the playback start position is not within the entire recording length (reproducible portion) (No) (is out of the entire recording length)
If it is determined, the process proceeds to the next step 411, where "the part cannot be reproduced" is displayed in a graphic such as a character or an icon. In addition, the cursor indicating the reproduction position is returned to a position above the graphic bar indicating the reproducible range, or is kept within a range that does not deviate from the reproducible range. Both of these may be performed. FIG. 6C shows a screen display example at this time.

If the user instructs to change the playback position during playback or stop, steps 408 and 407 are executed.
It may be executed from.

When the recording of the content is started, the copyright information such as copy free, copy once, and copy never changes for the content being recorded, and the judgment result in each figure indicates that the contents in step 402 and step 404 in FIG. The determination result may change every moment. In this case, each figure (FIGS. 4, 5, 7, 8, etc.) for each content
Execute the flow of As a result, the display on the screen is a mixture of both.

FIG. 6D shows this example. In this example,
The recording was started 180 minutes ago. And for 60 minutes from the start of recording, it is free to copy and record and play,
Since then, it has been changed to copy never and pauseable copyright information. Therefore, the graphic bar indicates the first 60 minutes from the start of recording (0 minute) to (60 minutes) on the left side.
Graphic bar on the right and (60 minutes)-(180
) And a second graphic bar for 120 minutes of the minute). The bar for 120 minutes is 6
The brightness, color, pattern, and thickness are changed and displayed between 0 minutes and 90 minutes and between 90 minutes and 180 minutes. But,
Normally, the bar differs at each program change because it differs for each program. Note that, in the example of FIG. 6D, a relative time with the recording start time set to 0 minute is displayed.

In the description of the flow shown in FIG. 4, since the content of the copy never can be reproduced from the current time to 90 minutes before, the copy never content is displayed in the bar of the time 120 to 90 minutes ago. Is meaningless, so that only the reproducible part is displayed as a bar as shown in FIG. 6B.

However, the present invention is not limited to this. Even for the copy never shown in FIG. 6 (g), the bar from 120 minutes ago to the present is displayed, and between 120 minutes and 90 minutes ago.
You may make it impossible to reproduce. In the example of FIG. 6G, the recording was started 180 minutes ago. The copy is free for 60 minutes from the start of recording and free to record and reproduce. Thereafter, the copyright information is changed to copy never and pauseable copyright information. Therefore, the graphic bar
A first graphic bar indicating 60 minutes from the start of recording (0 minutes) to (60 minutes) on the left side, and a (90 minutes) to (18) on the right side.
(0 minute) and a second graphic bar for 90 minutes. In the case of the copy never content, the part 90 minutes or more before cannot be reproduced, so a bar indicating 90 minutes may be shown.

In FIG. 6D, when the cursor is positioned on the first graphic bar indicating 60 minutes from the start of recording (0 minute) to (60 minutes) on the left side, "copy from HDD to external recording device is possible. Display is possible in the form of characters such as characters or icons.

Further, the cursor moves to the right side (60 minutes)-(9
When the mouse is positioned over the second graphic bar for 30 minutes (0 minute), “copying from HDD to external recording device is impossible. Reproduction display is impossible.” Is displayed by a graphic such as characters or icons.

The cursor moves to the right (90 minutes)-(1
(80 minutes) when it is positioned over the second graphic bar for 90 minutes: "Unable to copy from HDD to external recording device.
Playback display is possible. Is displayed as a character or a graphic such as an icon.

In FIG. 6G, when the cursor is positioned on the first graphic bar indicating 60 minutes from the start of recording (0 minute) to (60 minutes) on the left side, "copy from HDD to external recording device is possible. Display is possible in the form of characters such as characters or icons.

The cursor moves to the right (90 minutes)-(1
When the mouse is positioned over the second graphic bar for 120 minutes of "80 minutes", "Unable to copy from HDD to external recording device. Reproducible and displayable" is displayed as a graphic such as characters or icons.

The graphic bar displays, on the screen, information on whether the display is possible when the reproduction is started from that point or whether the reproduction is possible, depending on where the cursor is on the bar. Memory is provided to allow the bar position to be known in time. In this example, the relative time from the recording start time is shown as a memory, but the present invention is not limited to this, and the relative time may be shown so as to increase from the current time. In addition to indicating the relative time, the time may be indicated by an absolute time.

FIG. 6E shows an example in the case where the display is made in absolute time. Recording of the program starts at 3:00.
You can copy for 1 hour from 00, and then 4:00
Is changed to a copy never program. If the current time is 6:00, only the part after 4:30, which is 90 minutes back, can be reproduced.

In FIG. 6 (e), copyright information (copyable / impossible, pauseable / impossible conditions) is used for the program from 3:00 to 4:00 and the program from 4:30 to 6:00. ) Is different, the graphic bar also has a gap between the two, and the time discontinuity is clearly displayed.

When a gap is formed between graphic bars as shown in FIGS. 6 (e) and 6 (g), the size of the gap is reduced by the time of the gap as shown in FIG. 6 (e). It may be displayed in a space without changing the scale,
As shown in FIG. 6 (g), the gap may be displayed so that the gap is made shorter to such an extent that the gap exists. As shown in FIG. 6 (g), by displaying the gap shorter, it is possible to prevent the bar from becoming difficult to see due to an unnecessary gap.

Next, processing during reproduction / stop of recorded content will be described with reference to the flowchart shown in FIG.

In FIG. 5, the content is “copy never”.
In addition, the description will be made assuming that “pause is possible”.

It is determined whether the current time is less than 90 minutes from the recording start time of the content (ie, current time <recording start time + 90 minutes) (step 50).
1). If the copyright information changes during recording,
The content is separated at the time of the change, and the time of the change is treated as a recording start time for the separated content.

If the result of determination in step 501 is “within 90 minutes” (Yes), the CPU 104 displays a graphic bar indicating the time of the entire recording length, and cursors the temporal position during playback / stop. (Step 50)
2).

If the result of determination in step 501 is "90 minutes or more" (No), the CPU 104 displays a graphic bar indicating the time of the past 90 minutes from the current time, The temporal position is displayed with a cursor (step 503).

FIG. 6F shows an example when 10 minutes have elapsed since the reproduction was stopped in FIG. 6E. The content recorded from 4:00 is "copy never" and "pause possible", and can be viewed from 4:40 onward when the current time reaches 6:10. Since the contents from 3:00 to 4:00 are copy-free contents, they can be reproduced even after a lapse of time.

When the vehicle is stopped, the stop position may be out of the time range of 90 minutes. In this case, the fact that reproduction is impossible is displayed by changing at least one of the shape, brightness, color, and size of the cursor when reproduction is possible, and is displayed by a graphic such as a character or an icon. (FIG. 6
(H)) In this example, the cursor is blackened and an icon indicating X is displayed.

Alternatively, the reproduction position cursor is automatically moved to a position 90 minutes before the current time. That is, the cursor is placed at the oldest reproducible position where the cursor can be displayed.
These processes may be performed with or without an execution instruction from a user using a remote controller or the like.

(Processing at the Time of Reproduction of Copy Once Content)

Next, the processing at the time of reproducing the copy-once content will be described with reference to FIGS. The user receives a selection to reproduce the data recorded on the HDD 111 (step 701).

The CPU 104 determines whether or not the content can be paused (step 702).

If the result of determination in step 702 is “pause impossible” (No), CPU 104 displays “copying is not possible from HDD to external recording device” in a graphic such as characters or icons (step 703). ).

The CPU 104 displays a graphic bar indicating the time of the entire recording length (step 720).

The CPU 104 receives a reproduction instruction from the user (Step 721).

The CPU 104 determines whether or not the reproduction start position specified by the user is within the entire recording length (reproducible portion) (step 722).

If the result of the determination in step 722 is that the playback position is within the entire range of the reproducible portion in the recording length (Yes), the CPU 104 reads “Unable to copy from HDD to external recording device. Is displayed as a character or a graphic such as an icon, and the reproduction is executed. At this time, a screen display as shown in FIG. 9B is performed.

If the result of determination in step 722 is that the reproduction position is out of the entire reproducible portion of the recording length (No), the CPU 104 indicates the specified reproduction start position and indicates “reproduction display disabled. Is displayed as a character or a graphic such as an icon, the cursor is kept within the reproducible range, or both are performed (step 72).
3). At this time, a screen display as shown in FIG. 9C is performed.

In FIG. 9C, since the reproduction start position specified by the user exceeds the recording range, copying from the HDD to the external recording device is not possible. Display cannot be played. Is displayed as characters or graphics such as icons. Also,
In this example, the cursor is blackened and an icon indicating X is displayed. At this time, as the image display, the entire image may be displayed in blue or black as an alternative image, an image at a location indicating the vicinity of the head of the reproducible portion may be displayed, or the image may have been reproduced immediately before. An image may be displayed, or an image currently being broadcast may be displayed.

If the result of determination in step 702 is “pause possible” (Yes), CPU 104 determines whether the current time is within 90 minutes of the content recording start time (step 704). At this time, if the copyright information changes during the recording, the content is separated at the time of the change, and the changed time is treated as a recording start time for the separated content. Applicable processing of 5, 7, 8, 11 is applied.

If the result of the determination in step 704 is “90 minutes or more” (No), the CPU 104 displays a graphic bar that distinguishes the 90 minutes from the current time up to 90 minutes before and the time before this (appearingly) ( Step 706). For example, if 240 minutes have elapsed from the start of recording, the graphic bars indicating before and after 150 minutes have different appearances.

Next, CPU 104 receives an instruction from the user to start reproduction (step 707).

The user can specify the playback start position by pressing a rewind or fast forward button provided on the remote controller, or by moving the cursor indicating the playback position above the graphic bar on the screen with the mouse or remote controller. There is a method of moving with a cursor button or the like.

Next, the CPU 104 reads the reproduction start position at which the user intends to start reproduction, and judges whether or not this reproduction start position is within 90 minutes of the current time (step 709).

Next, if the result of the determination in step 709 is that the designation is “within 90 minutes” (Yes), the CPU 104 proceeds to the next step 712, where “copy from HDD to external recording device” is performed. "Possible. Reproducible display." Is displayed in a graphic such as a character or an icon, and the reproduction is started from the specified reproduction start position. At this time, a screen display as shown in FIG. 9A is performed.

Conversely, the CPU 104 proceeds to step 709
If the result of the determination in (1) is that the designation is "90 minutes or more" (No), the process proceeds to step 722, and the same processing is performed.

If the result of the determination in step 704 is “within 90 minutes” (Yes), the CPU 104 displays a graphic bar indicating the entire recording length (step 70).
5).

Next, CPU 104 receives an instruction from the user to start reproduction (step 708).

Next, the CPU 104 reads a reproduction start position at which the user intends to start reproduction, and determines whether or not this reproduction start position is within the entire recording length (reproducible portion) (is out of the entire recording length). Judgment (Step 71
0).

Next, if the result of determination in step 710 is that the playback start position is within the entire recording length (reproducible portion) (Yes), then the next step 7
Move to 12, "HDD can be copied to external recording device.
Playback display is possible. Is displayed as a character or a graphic such as an icon.

On the other hand, the CPU 104 proceeds to step 710
Is determined that the playback start position is not within the entire recording length (reproducible portion) (No) (is out of the entire recording length)
If it is determined, the process proceeds to the next step 711, where "the part cannot be reproduced." Is displayed by a graphic such as a character or an icon.

If the user instructs to change the playback position during playback or stop, steps 708 and 70 are executed.
7, 721 may be executed.

Next, FIGS. 9A and 9B will be described.

The current time (described as “(current)” in the figure)
This is the point in time when 240 minutes have elapsed from the start of recording. The 150 minutes from the start of recording (0 minutes) to 150 minutes after the start of recording are displayed with gray (hatched) graphic bars to indicate that only display is possible and copying is not possible. In addition, from 150 minutes after the start of recording (90 minutes before the present) to the present, display and copying are possible,
This area is displayed as a black graphic bar.

FIG. 9A shows a case where the reproduction position is specified (cursor) at the position of 165 minutes from the start of recording, and the message "Copy from HDD to external recording device. Display possible" is displayed on the screen. Is displayed as a character or a graphic such as an icon.

FIG. 9B shows a case where the reproduction position is designated at a position 50 minutes from the start of recording, and the message “HDD cannot be copied to an external recording device. Or, it is displayed as a graphic such as an icon.
At this time, the shape, color, brightness and size of the cursor are shown in FIG.
A change from the state of (a) may be made easy for the user to recognize by changing the case of (a).

FIG. 9D shows a screen display example when the copyright information of the recorded content changes after the start of recording.

In the example shown in FIG. 9D, 180 minutes have elapsed since the start of recording. It is assumed that "copy free" is performed for 30 minutes from the start of recording, and then "copy once".

[0138] Then, the display shows, first, for copy-free ones, "Can be copied from HDD to external recording device.
Playback display is possible. ". For this reason a black graphic bar indicates this part. After that, 9 minutes are required for 60 minutes from 30 minutes after the start of recording to 90 minutes after the start of recording.
Since 0 minutes have elapsed, copying is not possible, and reproduction and display are possible, and are indicated by a gray graphic bar, and from 90 minutes to 180 minutes of the current time are indicated by black graphic bars. If the cursor indicating the playback position is between 30 minutes and 90 minutes, the message "Copy from HDD to external recording device is not possible. Playback display is possible." Is displayed in a figure such as characters or icons.

In FIG. 9D, the time is displayed at a relative time with the recording start time being 0 minute.
As shown in (e), it may be displayed in absolute time.

In FIG. 9E, recording starts at 1:30.
The current time is 4:00. For 30 minutes from 1:30, the received content is "copy free" and then "copy
Once ".

From 1:30 to 2:00, since "copy from HDD to external recording device is possible", a black graphic bar is displayed. 2: 3 with gray graphic bar because it cannot be copied to external recording device and can only be displayed
0 to 4:00 is indicated by a black graphic bar to indicate "copy from HDD to external recording device".
The cursor indicating the reproduction position indicates 2:50. Therefore, on the screen, a message “copyable from HDD to external recording device. Reproducible display is possible” is displayed in a figure such as characters or icons.

Next, the operation during playback / stop will be described using the processing flow during playback / stop of the recorded content in FIG.

FIG. 8 is described assuming that the content is “copy once”.

The CPU 104 determines whether the content being reproduced / stopped can be paused (step 801).

If the result of the determination in step 801 is “pause impossible” (No), a graphic bar indicating the time of the entire recording length is displayed, and the temporal position during reproduction or stop is displayed with a cursor ( Step 805).

Next, "copying is not possible from the HDD to the external recording device. Reproducible display is possible" is displayed as a character or a graphic such as an icon (step 808).

If the result of the determination in step 801 is “pause possible” (Yes), it is determined whether the current time is within 90 minutes from the content recording start time (step 80).
2).

If the result of the determination in step 802 is “within 90 minutes” (Yes), a graphic bar indicating the entire recording length is displayed, and the temporal position during reproduction / stop is indicated by a cursor ( Step 804).

Next, "copyable from HDD to external recording device. Reproducible display possible" is displayed in characters or graphics such as icons (step 807).

If the result of the determination in step 801 is “90 minutes or more” (No), a graphic bar that distinguishes 90 minutes from the current time point 90 minutes before the current time point and the others from the appearance is displayed. A temporal position during reproduction / stop is displayed by a cursor (step 803).

Next, it is determined whether or not the current playback / stop position is within 90 minutes from the current time (step 80).
6).

If the result of the determination in step 806 is “within 90 minutes from the present time” (Yes), “copyable from HDD to external recording device. Reproducible and displayable” is represented by a graphic such as a character or icon. Display (Step 80)
7).

If the result of the determination in step 806 is “90 minutes or more retroactively from the present time” (No), the “HDD
Cannot be copied to an external recording device. Playback display is possible. Is displayed as a character or a graphic such as an icon.

FIG. 9 (f) shows a display example of the screen after 30 minutes have elapsed after the reproduction was stopped at the time of FIG. 9 (e).
The cursor position shows 2:50, and the current time is 4:
Now that it is 30, the 2:50 point is 9 days before the current time.
The time is 0 minutes or more before. For this reason, the cursor position is located on the gray graphic bar, and "HDD
Cannot be copied to an external recording device. Display playback possible. Is displayed as a character or a graphic such as an icon.

The copyright information of the recorded content is "copy never" from 1:30 to 2:00 and is from 2:00 to 4:
FIG. 10A shows an example of a display when "copy once" is displayed until 00.

This display can be obtained as a result of applying the processing flows in FIGS. 1:30
From 2:30 to 2:30, the gray graphic bar indicates "copy impossible". Also, when the cursor is moved to this range, "copying from HDD to external recording device is impossible."
Is displayed as a character or a graphic such as an icon. When the cursor is moved from 2:30 to 4:00, "HDD
Can be copied to an external recording device. Is displayed as a character or a graphic such as an icon.

When copying is performed, the cursor indicating the reproduction position is automatically moved to the oldest position where copying is possible.
This processing is performed simultaneously in step 706 and step 705 in FIG. Then, change the sample screen at that time to HD
The data is read from D111 and displayed on the display output device 106.

If the copyright information of the recorded content is from 1:30 to 3:30, it is "copy once" and from 3:30 to 4:
FIG. 10B shows an example of a display when "copy never" is displayed until 00. This display can be obtained as a result of applying the processing flows of FIGS.

The ranges from 1:30 to 2:30 and from 3:30 to 4:00 indicate "copy impossible" by a gray graphic bar. When the cursor is moved to this range, "copy from HDD to external recording device is not possible." Is displayed as a character or a graphic such as an icon. 2:
If you move the cursor from 30 to 3:30,
"Copyable from HDD to external recording device." Is displayed in characters or graphics such as icons.

From the beginning, for the purpose of copying,
There is a case where the user wants to play back the content recorded on the HDD 111. At this time, it is confusing and inconvenient that the area that cannot be copied can be specified through the user interface screen.

FIG. 11 shows a case where the content having the copyright information of “copy once” recorded in the HDD 111 is stored in the HDD 111.
4 shows a processing flow when copying data from an external recording device 111 to an external recording device.

The user selects copying from the HDD 111 to the external recording device (step 1101).

The CPU 104 determines whether the content can be paused (step 1102).

If the result of the determination at step 1102 is “pause impossible” (No), the CPU 104
Cannot be copied to an external recording device. Is displayed as a character or a graphic such as an icon (step 1103).

If the result of determination in step 1102 is “pause possible” (Yes), CPU 104 determines whether the current time is within 90 minutes of the content recording start time (step 1104).

If the result of determination in step 1104 is “within 90 minutes” (Yes), CPU 104 displays a graphic bar indicating the entire recording length (reproducible portion) (step 1106).

Also, the CPU 104 determines in step 1104
If the result of the judgment in step is "90 minutes or more" (No), 90
A graphic bar indicating the minutes is displayed (step 1105).

After step 1105 and step 1106, the CPU 104 receives a reproduction instruction from the user (step 1107).

Upon receiving the reproduction instruction in step 1107, the CPU 104 sets the output control device 112 to reproduce the content data from the position specified in step 1107, and outputs the data to the external recording device via the external output terminal 113. Output to copy to (step 110
8).

FIG. 12A shows an example of a screen display based on the processing result of step 1105. The message "Possible to copy from HDD to external recording device is from here." Is displayed in characters or icons or the like, and the oldest temporal position where the cursor can be reproduced in the processing of step 1105 is displayed. Go to the location shown.

For 60 minutes from the start of recording, "copy free" content is recorded, and then "copy once" content is recorded for 120 minutes. When a total of 180 minutes have elapsed, the combination of the processing so far is performed. FIG. 12 (b)
Display as follows. Copying is possible for 60 minutes from the start of recording and for 90 minutes from 90 minutes to the present, and a graphic bar of the time range is displayed.

It should be noted that there is a “case” where it is better not to be able to see 60 to 90 minutes shown in FIG.

In this case, the gap is defined as 60 minutes to 90 minutes. 6 (e), the size of the gap may be displayed without changing the scale of the bar for the time of the gap, as shown in FIG. 6 (e).
As shown in (2), the gap may be displayed so as to be short enough to show that the gap exists. By displaying the gaps shorter, it is possible to prevent the bars from being difficult to see due to unnecessary gaps.

FIG. 12C shows an example in which a raw received screen is displayed simultaneously with the reproduction screen at the cursor position. As a result, the screen received live can always be viewed, so that important information sent latest is not missed.

In the above description, only the copy enable / disable and the reproduction display enable / disable for the cursor position are displayed. Instead, as shown in FIG.
The display may be performed for each area where copying is possible / impossible and reproduction display is possible / impossible from the HDD to an external recording device.

In the above description, the current time timer 102
Has been described as indicating the current time. However, since the difference between the reception time and the current time is used for switching the processing, the current time timer 102 does not need to indicate the accurate current time. , It may be out of Coordinated Universal Time or Japan Standard Time. That is, the present invention can also be implemented by a counter that counts time at regular intervals in the receiver.

Also, information that has been displayed in the form of figures such as characters and icons on the screen until now can be displayed using a display device such as an LED or a liquid crystal panel on the front panel of the receiver. Obtainable.

Although not shown in the figure, if a program title is superimposed and displayed on a bar, it is possible to easily know what program has been viewed in the past, whether or not it can be viewed, and whether or not it can be copied.

As described above, according to the present invention,
Conditions such as reproducible and copyable should be displayed in a format that is easy for viewers to understand, such as whether the part of the content to be reproduced is reproducible, copyable, which part is reproducible or copyable Can be.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a display control device according to the present invention.

FIG. 2 is a diagram showing an example of a time information file.

FIG. 3 is a flowchart illustrating a process of starting recording on an HDD.

FIG. 4 is a flowchart for explaining an operation at the time of reproducing a copy never (Copy Never) content.

FIG. 5 is a flowchart for explaining processing during reproduction / stop of a copy never content.

FIG. 6 is a view for explaining a display example of a display screen in the display control device of the present invention.

FIG. 7 is a flowchart for explaining an operation at the time of reproducing a Copy Once content.

FIG. 8 is a flowchart for explaining processing during reproduction / stop of a copy once (Copy Once) content.

FIG. 9 is a diagram for explaining a display example of a display screen in the display control device of the present invention.

FIG. 10 is a view for explaining a display example of a display screen in the display control device of the present invention.

FIG. 11 is a flowchart for explaining an operation when copying content having copy once copyright information from an HDD to an external recording device.

FIG. 12 is a view for explaining a display example of a display screen in the display control device of the present invention.

[Explanation of symbols]

101: tuner, 102: current time timer, 103
... User instruction receiving unit, 104, CPU, 105, graphic generator, 106, display output device, 107
... Decoding device, 110 ... Common bus, 111 ... HDD,
112: output control device; 113: external output terminal.

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI theme coat ゛ (reference) G11B 27/34 G11B 27/34 PF term (reference) 5B017 AA03 AA06 BB10 CA16 5D044 AB07 BC01 CC05 DE22 DE28 DE50 EF05 FG18 GK12 HH15 HL08 5D077 AA22 DC03 DC11 HA07 HC03 HC17

Claims (17)

[Claims] 1. A receiving means for receiving data and copyright information of the data and outputting the received data and the copyright information; a timer for outputting time information obtained by counting time; Recording means for recording the inputted data and the copyright information together with the time information inputted from the timer on a recording medium; and the data and the copyright information and the time recorded on the recording medium. Reproducing means for reading information from the recording medium; time difference detecting means for detecting a time difference between the time information input from the reproducing means and the time information input from the timer means; Display means for performing display in accordance with the copyright information reproduced by the means, wherein the display means has a predetermined length of time with the time difference. A display control device for changing the content to be displayed according to a difference between the display control device and the display control device. 2. The display control device according to claim 1, wherein the copyright information is copy control information for controlling copying. 3. The display control device according to claim 1, wherein the copyright information is information indicating a reproducible time or period. 4. The display means displays a time-series bar according to the recording time of the recording means, and displays according to the copyright information according to a recording position indicated by the time-series bar. The display control device according to claim 1, wherein: 5. The display means displays a time-series bar corresponding to the recording time of the recording means, and displays a cursor at a position corresponding to the bar and a reproduction position where the reproduction means reproduces the data. 4. The display control device according to claim 1, wherein a display corresponding to copyright information is performed according to a position of the cursor with respect to the bar. 5. 6. The display control device according to claim 4, wherein the time-series bar is displayed so as not to be longer than the predetermined length of time. 7. The display control device according to claim 4, wherein said display means displays a plurality of said time-series bars at intervals when a program is switched. 8. The display control device according to claim 4, wherein said display means displays a program name for each of said time-series bars. 9. The display control according to claim 1, wherein the display corresponding to the copyright information is a display indicating whether or not the data reproduced by the reproducing unit can be copied. apparatus. 10. The display control according to claim 1, wherein the display according to the copyright information is a display indicating whether or not the data reproduced by the reproducing unit can be reproduced. apparatus. 11. A system according to claim 6, further comprising a position designation unit for designating a position to be reproduced or copied by a user, wherein said display unit changes the content to be displayed according to the position of said position designation unit. The display control device according to claim 1. 12. The apparatus according to claim 1, wherein the display unit displays at least one of character and image information in accordance with the copyright information. Display control device. 13. The display control device according to claim 1, wherein the timer is means for receiving time information transmitted by a broadcast signal. 14. The information according to claim 1, wherein the information on the predetermined length of time is transmitted together with the data by a broadcasting station, and is used when reproducing the data. 3. The display control device according to 1. 15. The display control device according to claim 1, wherein the data and the copyright information input from the receiving unit are recorded on different recording media. . 16. The display means changes at least one of a shape, brightness, color, and size of the cursor according to a position corresponding to the bar and a reproduction position reproduced by the reproduction means. The display control device according to claim 5, wherein the display is displayed. 17. A step of receiving data and copyright information of the data by a receiving means, outputting the received data and the copyright information, and outputting time information obtained by counting a time by a timer. Recording the data and the copyright information inputted from the receiving means together with the time information inputted from the timer by a recording means on the recording medium; and recording the data and the copyright information on the recording medium by the reproducing means. Reading said data, said copyright information and said time information from said recording medium, and said time information inputted from said reproducing means by said time difference detecting means, and said time information inputted from said timer means. Detecting a time difference from the display means; Depending on the produced the copyright information, the display control method characterized by comprising the step of displaying changing the contents to be displayed according to the difference between the time difference and a predetermined length of time.