JP2003032567A - Electronic program guide display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electronic program guide display device that informs a user about changed parts in a transmitted program guide in an easily understandable way when a program name, a start time and an end time or the like are changed in the transmitted program guide. SOLUTION: A program information storage section 103 stores received program information data, a program information update decision section 104 compares program information newly received with temporally past program information stored in the program information storage section 103 and informs the user about a change in the program information in a way of visual display e.g. change in a color of a program column from a color of other program or blinking of the revised part when the comparison indicates the revision.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic program guide display device for accumulating program information data from the outside, creating a program guide from the accumulated program information data, and displaying it to a user.
In particular, the present invention relates to a device provided with a function of notifying the user of the change of the broadcast-scheduled program due to the circumstances of the broadcast side in an easily understandable manner.

[0002]

2. Description of the Related Art In recent years, systems for transmitting program information data together with television programs have been increasing due to the progress of digital transmission technology, such as terrestrial data broadcasting and digital CS / BS broadcasting. It is being released one after another. With such a device, it is an appealing point that a program can be selected from an electronic program guide and the recording reservation of the program can be easily set. However, program extension and program organization is changed by extension of sports broadcasting, and program start time, end time and program name are often changed due to temporary programs. It is necessary to change the recorded message reservation set for such a change, and a method for realizing it has already been proposed.

However, these are merely proposals for properly operating the recorded message reservation, and no method has been proposed for presenting the change to the program information to the user in an easy-to-understand manner. At present, there are many users who look at a program guide before going out and come home in time for a desired program. For such a user, if the program information, that is, the change in the broadcast-scheduled program is not displayed in an easy-to-understand manner as described above (when the user cannot easily recognize it), he / she should return home according to the program start time before the change Become. Then, it is not until the time before the change that the desired program does not start. Further, there are many programs such as dramas that are regularly broadcast at the same time on the same day of the week. If you miss such a program even once, you may lose the story and lose interest in the next program.

[0004]

The conventional electronic program guide display device is configured as described above, and it is possible to easily perform processing such as absence recording by observing the electronic program guide on the screen. However, when the program information is changed due to the circumstances of the broadcasting side, the user cannot know it until the broadcast start time comes, which is not convenient. The present invention has been made to solve the above problems, and even if the program information is changed due to the circumstances of the broadcast side, the electronic program guide display that allows the user to easily know this An object is to provide a display device.

[0005]

An electronic program guide display device according to claim 1 of the present invention extracts program information from received program information data and creates and displays an electronic program guide. In program information storage means for accumulating received program information data, program information update determination means for comparing the program information data accumulated in the program information storage means with newly received program information data, and the program And a program guide creating means for creating an electronic program guide so as to visually display a changed portion of the electronic program guide when the information update determining means determines that at least a part of the program information data is changed. It is a thing.

An electronic program guide display device according to a second aspect of the present invention is the electronic program guide display device according to the first aspect, wherein the program guide creating means is an electronic program guide before change and an electronic program guide after change. An electronic program guide is created so that the program guides can be displayed in parallel and displayed simultaneously.

The electronic program guide display device according to claim 3 of the present invention is the program guide display device according to claim 1, wherein the program to be judged by the program information update judging means is preset. The detection program setting means is provided.

An electronic program guide display device according to claim 4 of the present invention is the program guide display device according to claim 3, wherein the change detection program setting means displays a program that has been previously displayed from the beginning to the end. And a displayed program information storage unit for storing the program information of the program detected by the display program detecting unit.

An electronic program guide display device according to a fifth aspect of the present invention is the electronic program guide display device according to the first aspect, in which the program information determined by the program information update determination means to be updated is displayed. A change program storage means for storing over time is provided, and the program guide creating means refers to the program information stored in the change program storage means to display electronic information so that the change history of the changed program information can be understood. The electronic program guide is created so that the changed portion of the program guide is visually displayed.

An electronic program guide display device according to claim 6 of the present invention is the electronic program guide display device according to claim 1, further comprising program guide display determining means for detecting that the electronic program guide is displayed. The program guide creating means creates the electronic program guide so that a change in the program information from the time when the electronic program guide is displayed by the program guide display determining means is visually displayed on the electronic program guide. It is a thing.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION (Embodiment 1) Hereinafter, an electronic program guide display device according to Embodiment 1 of the present invention will be described with reference to FIGS. 1, 4, 5, and 6. Figure 1
FIG. 3 is a block diagram showing a configuration of a program receiving device of the electronic program guide display device according to the first embodiment. In FIG.
101 is a signal receiving unit for receiving program information data, 102
Is a program information acquisition unit for acquiring the program information received from the signal reception unit 101, 103 is a program information storage unit for accumulating the information acquired by the program information acquisition unit 102, and 104 is newly acquired by the program information acquisition unit 102. The program information update determination unit that compares the generated information with the program information previously stored in the program information storage unit 103, and 105 is a program guide creation unit that creates a program guide based on the determination result of the program information update determination unit 104. Is. Reference numeral 106 denotes a remote controller or tuner, and a signal input unit such as a keyboard or mouse in a personal computer environment. Reference numeral 107 denotes a display for combining and displaying the program guide created by the program guide creating unit 105 with other information to be displayed. An information synthesis unit, 108 is a display control unit that controls the display of the display unit 109.

Next, the operation of the electronic program guide display device according to this embodiment will be described. FIG. 4 is a flowchart showing the flow of processing of the electronic program guide display device. First, the signal receiving unit 101 receives the transmitted program information data (step S401). Program information data is VBI over terrestrial radio waves
It is transmitted by signal, packet transmission by CS or BS broadcasting, TCP / IP on the Internet, or the like. In terrestrial radio waves, electronic program information (hereinafter, also referred to as EPG) is transmitted every 3 to 5 minutes, which is information indicating the scheduled broadcast time,
The electronic program information is updated about every hour.

Next, the program information acquisition unit 102 acquires program information from the data received by the signal reception unit 101, using a demodulation method suitable for each transmission method (step S402).

Next, in step S403, if no program information data has been received in the past and there is no program information acquired in the program information storage unit 103 in the past, the program guide creation unit 105 causes the program information acquisition unit 102 to A program guide is created from the acquired program information (step S404).
Here, the program guide is usually represented as a two-dimensional table. When the program information is transmitted only for the program for the current day, the broadcasting station is represented by the horizontal axis and the time axis is represented by the vertical axis. Further, when the program information exists on a plurality of days, the vertical axis represents time, but the horizontal axis can represent either days or both broadcasting stations. When the horizontal axis is day, the input unit 106 provides means for displaying a program for several days of one broadcasting station two-dimensionally and selecting the broadcasting station. Also,
When the horizontal axis is a broadcasting station, the programs of all broadcasting stations on a certain day are displayed two-dimensionally, and means for selecting the day is provided from the input unit 106. FIG. 5 shows a display example of the program table in the latter case. In FIG. 5, broadcasting stations are arranged on the horizontal axis, and programs of all broadcasting stations on a certain day (here, today is assumed to be selected) are displayed two-dimensionally.
The program guide for the hour is displayed. Note that "30" on the right side of the vertical time display column indicates minutes.

On the other hand, when it is determined in step S403 that the program information data has been received in the past, the program information is stored in the program information storage unit 103 because the program information exists in the program information storage unit 103. The program information update determination unit 104 compares the program information with the program information acquired by the program information acquisition unit 102, for example, at the text data level (step S405). The comparison here is to change the start time and end time of the same program, and to compare detailed information about the program such as the program name of the program scheduled to be broadcast during the relevant time period and the characters of the program. Be seen. In the former case, in order to change the start time and end time of the same program, a unique number is assigned to each program that identifies the program in the program information, and the start time and end time are compared when the numbers are the same. . In the latter case, the comparison of the program name and detailed information of the programs broadcast in the time zone is performed by comparing the program information stored in the program in the broadcast time zone of the acquired program with the program broadcast in the same time zone. It is performed by extracting and comparing the program name and detailed information of.

At step S406, step S405.
As a result of the comparison, if there is no change in the program information, the process proceeds to step S404, and a program guide is created from the program information acquired by the program information acquisition unit 102 in the same manner as described above. On the other hand, when it is determined in step S406 that there is a change in the program information, the process proceeds to step S407, in which the program information update determination unit 104 determines the content of the change.
The program guide preparation unit 105 prepares the program guide so that the change can be visually discriminated. As an example of this display, in the program table of FIG. 5, "Baseball" of "TV Far East"
If the broadcast of the program is extended, the method of displaying the program by changing the color of the program from that of other programs, displaying the changed program by blinking, or displaying the program table before the change and the program after the change It is conceivable to periodically display the table alternately.

After creating the program guide, the program information storage unit 103
Stores the program information acquired by the program information acquisition unit 102 (step S408). In order to simplify the comparison in step S406, the program information storage unit 103 can be installed so as to store only the program information regarding the programs after today.

After that, the display information synthesizing unit 107 collects other information to be displayed at the same time as the program guide created by the program guide creating unit 105, for example, a picture of the current television, a menu in the case of a PC, and the like. Create display information.
If there is not much information that can be displayed on the display unit 109, only part of the program guide is incorporated in the display information (step S409). FIG. 6 shows an example in which the color of the extended program section is changed and displayed. Finally, the display control unit
The information synthesized by the display information synthesizer is displayed on 9 (step S410). When all the processing of the received EPG data is completed and the program information data transmitted in the future is not received, the processing is completed.

As described above, according to the first embodiment, when the electronic program information data is received and compared with the electronic program information data received in the past, if there is a change, the user can visually recognize it. The user can easily recognize the change of the program by displaying, for example, by changing the color of the program section from the color of the other program or by blinking.

(Embodiment 2) Hereinafter, an electronic program guide display device according to Embodiment 2 of the present invention will be described with reference to FIGS.
Will be described with reference to. FIG. 7 is a flowchart showing the flow of processing of the electronic program guide display device according to the second embodiment. The same reference numerals as those in FIG. 4 denote the same or corresponding portions, and the procedure for receiving the transmitted electronic program information data, acquiring the program information, and determining the change of the program information is the same as that in the first embodiment, and The processing when there is no change is also the same as in the first embodiment.

In the present embodiment, when there is a change in the broadcast-scheduled program, the program guide before and after the change is displayed at the same time so that the change can be more easily understood. The configuration of the electronic program guide display device is different. That is, when it is determined in step S406 that there is a change in the program information, the process proceeds to step S711, the vertical axis including the changed program is divided, and a program guide for simultaneously displaying the program before and after the change is displayed. Create and display this. In FIG. 5, when the “Far East Broadcasting” “Baseball” broadcast is extended, it is displayed as shown in FIG. 8 to show at a glance which program broadcast schedule has been changed and how.

As described above, according to the second embodiment, by describing both the pre-change and the post-change of the changed program in the program table, it is possible to see at a glance how the broadcast schedule is changed. Can be recognized at.

(Embodiment 3) An electronic program guide display device according to Embodiment 3 will be described below with reference to FIGS. 2 and 9. FIG. 2 is a block diagram showing the configuration of the program receiving device according to the third embodiment. In FIG.
The same reference numerals as those in FIG. 1 denote the same or corresponding portions, and 210
Is a change detection program setting unit that sets to monitor that the broadcast schedule of a specific program has been changed, and 211 is a change detection program storage unit that stores the contents set by the change detection program setting unit 210.

The operation will be described below. FIG. 9 is a flowchart showing the flow of processing. The same steps as those in FIG. 4 are performed in steps having the same numbers as those in FIG. 4, and the description of the processing from step S401 to step S406 is omitted here. The third embodiment differs from the first embodiment in that a program for displaying changes is preset. The procedure for acquiring the program information and displaying the program guide is the first embodiment.
Is the same as. In the initial state, since the program whose change is to be monitored is not registered, the program change is not displayed in the program guide.

After the program guide is displayed on the display unit 109, if there is a program to be monitored for changes, when the target program is set in the program guide by the input unit 106, the change detection program setting unit 210 detects the program name. The change detection program storage unit 21
1 stores the information (steps S713 and S71).
2).

Change detection of a program is performed by the change detection program storage unit 21.
1 and the change display is also performed for a preset program (steps S714 and S71).
5).

As described above, according to the third embodiment, the broadcast schedule of a program that the user is not interested in is changed by designating in advance the program to be notified that the broadcast schedule has changed. Even if you don't have to worry about it on the screen, you can watch only the necessary information.

(Embodiment 4) Hereinafter, an electronic program guide display device according to Embodiment 4 of the present invention will be described with reference to FIGS.
0, a description will be given with reference to FIG. The fourth embodiment is characterized in that the program whose change is displayed is set to the program viewed from the program start to the program end.

FIG. 3 is a block diagram showing the structure of the program receiving apparatus according to the third embodiment. The same reference numerals as those in FIG. 1 denote the same or corresponding portions, and 311 is a TV signal channel selection unit.
Reference numeral 312 is a TV signal decoding unit that decodes the TV signal of the station selected by the TV signal selection unit 311, 313 is a TV image creation unit, and 314 is change detection that determines the existence of the program viewed from the start time to the end time of the program. The program determination unit 315 is a change detection time storage unit that stores the day of the week, start time, and end time of the program when the change detection program determination unit 314 determines that the corresponding program exists.

The operation will be described below with reference to the flow charts of FIGS. Since the same steps as those in FIG. 4 are performed in the steps having the same numbers as those in FIG. 4, the description of the overlapping portions will be omitted here. Signal receiver 10
1 receives not only the program information data but also the program signal including video and video (step S1118). When the channel selection signal is input through the input unit 106, the TV signal selection unit 3
The TV signal decoding unit 312 decodes the video and audio signals of the channel numbers that have been selected and subsequently input at 11 by the demodulation method according to each signal (steps S1119 and S1120).

In the channel before the channel change,
The change detection program determination unit 314 determines whether or not the program viewed from the start time to the end time of the program does not exist, and if there is, the day of the week, the start time, and the end time of the program,
It is stored in the change detection time storage unit 315 (step S11).
21, S1122). Then, the video and audio signals extracted by the TV signal channel selection unit 311 are decoded by the TV signal decoding unit 312 by an expansion method according to the respective encoding system, and the decoded signals are TV signal video generation unit 3
It is created on the video screen by 13 (step S112).
3).

In FIG. 10, in step S1016, when comparing the acquired program information with the program information stored in the program information storage unit 103, the day of the week and the start time stored in the change detection time storage unit 315 described above. , Only programs at the end time will be compared. Step S10
17, the method of creating the program guide is the same as in the third embodiment.
It is the same as that shown in, but the information to be displayed is different in that the television program video is additionally displayed.

As described above, according to the fourth embodiment, it is automatically detected that the user has watched a program which should be notified that the broadcast schedule has been changed, from the beginning to the end of the program. Then, the information is registered, and when the same program is detected again next time, the program information of both is compared, and if there is a change, the change contents are displayed visually. Therefore, after starting the use of the device, the user can know that the broadcast schedule of the program of interest to the user has been changed by the automatic learning function without making initial settings, etc., and the device is easy to use. be able to.

(Fifth Embodiment) Next, an electronic program guide display device according to a fifth embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG. The fifth embodiment is characterized in that, in the first embodiment, a change history indicating that the program changed in the past is further changed is managed. That is, FIG.
In FIG. 1, the same reference numerals as those in FIG. 1 indicate the same or corresponding portions, and 1220 is a changed program storage section in which information (broadcast station, start time, end time, etc.) currently stored in the program information storage section 103 is stored. The change information of the program information in the past than the program name) is stored.

Next, the operation will be described with reference to the flow chart of FIG. The operation is basically the same as that shown in FIG. 4, but in the present fifth embodiment, if it is not determined in step S406 that there is information change as a result of step S405, step S130.
9, the step of comparing with the data stored in the changed program storage section 1220 and examining the past changes is also added.

In step S1309, as a result of comparison with the data stored in the changed program storage unit 1220, if there is a change, the process proceeds to step S1307, and the program information update determination unit 104 creates the program information update location in the program table. The program table creation unit 105 visually notifies the changed portion stored in the changed program storage unit 1220 and the program of the changed portion changed in step S406 as shown in the first embodiment. A program guide is created in a distinguishable state. On the other hand, when it is determined in step S1309 that there is no change as a result of comparison with the data stored in the changed program storage unit 1220, the process proceeds to step S404.

Then, after the above step S1307 or step S404, in step S1308,
The program information storage unit 103 stores the program information acquired by the program information acquisition unit 102. The changed program detected in step S406 is stored in the changed program storage unit 1220.

As described above, according to the fifth embodiment, since the changed program storage section 1220 is provided and the history of changes in the past program information is also compared with each other, for example,
The update of the program information is judged by the program information update judgment unit 104 at 8:00 pm for the program scheduled to be broadcast at 10 pm, and at this time, the change is detected, and for example, 30 minutes later
In the case of 0:30, if there is no change in the update determination by the program information update determination unit 104 at 9:00 pm (scheduled to be broadcast at 10:30), the configuration of the first embodiment detects the previous time. Since only the program information that was displayed and the program information that was newly acquired this time are compared, a user who returns home after 9:00 will be displayed as if the program information had not been changed. In the form, since the history of the change of the program information is recorded, if there is a change from the present to the past, the user can be surely notified of the change.

(Sixth Embodiment) Next, an electronic program guide display device according to a sixth embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG. In the sixth embodiment, based on the time when the user last viewed the electronic program guide on the display unit 109, a change between the program information at that time and the program information when the electronic program guide is viewed next time is detected. This is different from the first embodiment in that it is visually displayed. That is, in FIG. 14, reference numeral 1530 is a program guide display determination unit that receives an input from the input unit 106 and detects that the user has displayed the electronic program guide on the display unit 109.

The operation will be described below with reference to FIG. Note that steps given the same reference numerals as those in FIG. 4 are the same as those in the first embodiment, and therefore detailed description thereof will be omitted here. It is the same up to step S407, but before proceeding to step S408, in step S1421, it is determined in step S1421 whether or not the electronic program guide has been displayed in the past, and the electronic program guide has not been displayed. If so, that is, if the latest EPG should be displayed (Yes), step S40.
8 to step S410, the program information storage unit 103
A new electronic program guide is created by storing new program information in and updating the information sequentially. On the other hand, when it is determined that the electronic program guide has been displayed, that is, when it is determined that the latest EPG should not be displayed (No), the program information storage unit 103 stores the program information at that time. In order to obtain the update information from step S408, the process does not proceed to step S408, and steps S401 to S1421 are repeated without storing new program information in the program information storage unit 103.

As described above, according to the sixth embodiment, when the program guide display determining unit 1530 is provided and the electronic program guide has been displayed in the past, a new change is obtained from that point. A program guide is created so that the difference from the program information can be visually recognized. On the other hand, if the electronic program guide has not been displayed in the past, the same processing as in the first embodiment is performed. Only the changes since the last time the user viewed the electronic program guide will be displayed, and the changed parts that the user noticed when watching the electronic program guide were changed when the program guide was viewed again. However, there is an advantage that the user can easily recognize the new change. In the above embodiment, the case where the input unit 106 is connected by wire is described as an example.
It does not matter even if it is a wireless remote controller.

[0042]

As described above, according to the electronic program guide display device of the first aspect of the present invention, the electronic program guide device extracts the program information from the received program information data and creates and displays the electronic program guide. In the table display device, program information storage means for accumulating the received program information data, and program information update determination means for comparing the program information data accumulated in the program information storage means with the newly received program information data. A program guide creating means for creating an electronic program guide so as to visually display a changed portion of the electronic program guide when the program information update determining means determines that at least a part of the program information data is changed. Since it is provided with, there is an effect that the change of the program table can be visually displayed.

An electronic program guide display device according to a second aspect of the present invention is the electronic program guide display device according to the first aspect, wherein the program guide creating means is an electronic program guide before change and an electronic program guide after change. Since the electronic program guide is created to display the program guides in parallel at the same time, there is an effect that the changed portion of the broadcast-scheduled program can be displayed more visually easily.

The electronic program guide display device according to claim 3 of the present invention is the program guide display device according to claim 1, wherein the program to be judged by the program information update judging means is preset. Since the detection program setting means is provided, there is an effect that only the necessary information can be displayed by visually displaying only the change of the preset program.

An electronic program guide display device according to a fourth aspect of the present invention is the program guide display device according to the third aspect, wherein the change detection program setting means displays a program previously displayed from the beginning to the end. Since the display program detecting means for detecting the display program and the displayed program information storage means for storing the program information of the program detected by the display program detecting means are provided, it is always viewed without any special setting. The effect is that it is possible to display the change in the broadcast schedule of the series program in progress.

An electronic program guide display device according to a fifth aspect of the present invention is the electronic program guide display device according to the first aspect, in which the program information determined by the program information update determination means to be updated is displayed. A change program storage means for storing over time is provided, and the program guide creating means refers to the program information stored in the change program storage means to display electronic information so that the change history of the changed program information can be understood. Since the electronic program guide is created so that the changed portion of the program guide is visually displayed, when the broadcast scheduled program is changed, the change history of the program can be known and the broadcast scheduled change can be made. The effect is that the user can be notified of the situation in detail.

An electronic program guide display device according to claim 6 of the present invention is the electronic program guide display device according to claim 1, further comprising program guide display determining means for detecting that the electronic program guide is displayed. The program guide creating means creates the electronic program guide so that a change in the program information from the time when the electronic program guide is displayed by the program guide display determining means is visually displayed on the electronic program guide. As a result, only the changes since the last time the user viewed the electronic program guide will be displayed, and the changed parts that the user noticed when watching the electronic program guide will be displayed when the program guide is viewed again. There is an effect that it is not recognized as a change and the user can easily recognize the new change.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an electronic program guide display device according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of an electronic program guide display device according to a third embodiment of the present invention.

FIG. 3 is a block diagram showing a configuration of an electronic program guide display device according to a fourth embodiment of the present invention.

FIG. 4 is a diagram showing a processing flow of the electronic program guide display device according to the first embodiment.

FIG. 5 is a diagram showing a display example of a program guide of the electronic program guide display device according to the first embodiment.

FIG. 6 is a diagram showing a display example of a changed program guide by the electronic program guide display device according to the first embodiment.

FIG. 7 is a diagram showing a processing flow of the electronic program guide display device according to the second embodiment of the present invention.

FIG. 8 is a diagram showing a display example of a changed program guide by the electronic program guide display device according to the second embodiment.

FIG. 9 is a diagram showing a processing flow of the electronic program guide display device according to the third embodiment.

FIG. 10 is a diagram showing a processing flow of the electronic program guide display device according to the fourth embodiment.

FIG. 11 is a diagram showing a processing flow of the electronic program guide display device according to the fourth embodiment.

FIG. 12 is a block diagram showing a configuration of an electronic program guide display device according to a fifth embodiment of the present invention.

FIG. 13 is a diagram showing a processing flow of the electronic program guide display device according to the fifth embodiment.

FIG. 14 is a block diagram showing a configuration of an electronic program guide display device according to a sixth embodiment of the present invention.

FIG. 15 is a diagram showing a processing flow of the electronic program guide display device according to the sixth embodiment.

[Explanation of symbols]

101 signal receiving unit 102 Program information acquisition unit 103 program information storage section 104 Program information update determination unit 105 Program guide creation section 106 Input section 107 display information synthesis unit 108 display information control unit 109 External video source 210 Change Detection Program Setting Section 211 Change detection program storage 311 TV signal tuning section 312 TV signal decoding unit 313 TV image creation section 314 Change detection program determination unit 315 Change detection time storage unit 1220 changed program storage 1530 Program guide display determination unit

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Atsushi Horioka             1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric             Sangyo Co., Ltd. (72) Inventor Mitsuru Kashihara             1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric             Sangyo Co., Ltd. F-term (reference) 5C025 CA09 CB08 DA01                 5C063 AB03                 5E501 AA19 AB06 AB08 AB09 AB10                       BA03 BA09 CA02 EA32 FB44

Claims (6)

[Claims] 1. An electronic program guide display device for extracting program information from received program information data to create and displaying an electronic program guide, and program information storage means for accumulating the received program information data; Program information data accumulated in the storage means,
When the program information update determination means for comparing the newly received program information data and the program information update determination means determines that at least a part of the program information data has been changed, the changed portion of the electronic program guide is determined. An electronic program guide display device, comprising: a program guide creating means for creating an electronic program guide for visual display. 2. The electronic program guide display device according to claim 1, wherein the program guide creating means creates the electronic program guide so that the electronic program guide before the change and the electronic program guide after the change are displayed in parallel at the same time. An electronic program guide display device characterized by being 3. The electronic program guide according to claim 1, further comprising change detection program setting means for presetting a program to be judged by said program information update judging means. Display device. 4. The program guide display device according to claim 3, wherein the change detection program setting means includes a display program detecting means for detecting a program previously displayed from the beginning to the end of the program, and the display program detecting means. An electronic program guide display device, comprising: displayed program information storage means for storing program information of a detected program. 5. The electronic program guide display device according to claim 1, further comprising: changed program storage means for storing, over time, the program information determined by the program information update determination means to be updated. The creating means refers to the program information stored in the changed program storage means, and visually displays the changed portion of the electronic program guide so that the changed history of the changed program information can be understood. An electronic program guide display device characterized by creating a table. 6. The electronic program guide display device according to claim 1, further comprising program guide display determining means for detecting that the electronic program guide is displayed, wherein the program guide creating means is the program guide display determining means. The electronic program guide display device is characterized in that the electronic program guide is created so that the change of the program information from the time when the electronic program guide is displayed is visually displayed on the electronic program guide.