JP2003333624A - Electronic apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electronic apparatus which enables a user to enjoy a 2D displayed image and a 3D displayed image respectively from the first. <P>SOLUTION: The electronic apparatus is provided with a display part 1 capable of switching between 2D display and 3D display, a 2D/3D discrimination part 2 for discriminating which of an image for 2D display and an image for 3D application data to be displayed on the display part 1 is, and a CPU 6 for displaying a discrimination result of the 2D/3D discrimination part 2 before display of the application data on the display part 1. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device having a display means capable of switching between 2D display and 3D display, and more specifically, a stereoscopic television, an electronic recording / reproducing device with a display device, a mobile phone, Personal digital assistants, portable game consoles,
The present invention relates to electronic devices such as electronic books.

[0002]

2. Description of the Related Art As a conventional technique relating to a display device capable of 2D display and 3D display, a display section is switched to 2D display or 3D display based on a video signal, and at the same time, a display mode (2D display or 3D display is selected). Information indicating
A technique for displaying is disclosed in Japanese Patent Laid-Open No. 7-274216.

This technique will be briefly described. FIG. 26
FIG. 3 is a block diagram of a display device disclosed in the publication. FIG. 27 is a diagram showing an example of an image displayed by this display device. As shown in FIG. 26, the display device disclosed in the publication has a video display unit 2601 capable of 2D display and 3D display, and a video signal input to the device for 2D display or 3D display. An input signal determination circuit 2602 that determines whether or not there is a synchronization signal, and a video signal of a character that indicates 2D display or a video signal of a character that indicates 3D display is generated according to the determination result in the input signal determination circuit 2602. Character signal generation circuit 2
603, and mixing circuits 2604 and 2605 that mix the video signal input to the apparatus and the video signal generated from the character signal generation circuit 2603.

The character signal generation circuit 2603 generates a 3D display mark 2701 shown in FIG. 27 (a) when the video signal input to this device is for 3D display.
On the other hand, when the video signal input to the device is for 2D display, the 2D display mark 2702 shown in FIG.
To occur.

From the above, when 3D display is performed on the video display section 2601, as shown in FIG.
When the character 2701 "3D" is displayed on the upper right of the screen, while the 2D display is being performed on the video display unit 2601, the character 2702 "2D" is displayed on the screen as shown in FIG. Will be displayed in the upper right corner of.

As a result, the user is informed of the image display section 260.
It is possible to recognize whether the 3D display is being performed on the 1 or the 2D display. here,
The user needs to stereoscopically view the image displayed in 3D.
It is necessary to wear special glasses for 3D observation or adjust the observation position so that the image displayed in 3D is stereoscopically viewed.

Therefore, the fact that the user can recognize whether the 3D display or the 2D display is being performed means that the user can recognize the 2D display even though the 2D display is being performed. The problem that the above-mentioned action necessary for stereoscopic vision is performed, or conversely, the user does not perform the above-mentioned action necessary for stereoscopic vision even though the 3D display is performed, and as a result, the image is unclear. I observed such an image,
This is useful for the user because it leads to prevention of problems such as discomfort.

[0008]

However, in the above-mentioned prior art, the display indicating whether it is the 2D display or the 3D display is switched when the 2D display and the 3D display are switched. To 3D
When the display is switched, the user performs the above-described action necessary for stereoscopic viewing after switching to the 3D display, and stereoscopically views the image displayed in 3D until the action is completed. In addition, unclear images are observed and uncomfortable feeling is felt. Furthermore, in the worst case, the 3D display is terminated while the above-mentioned actions necessary for stereoscopic viewing are performed, and the image displayed in 3D cannot be viewed stereoscopically at all.

Similarly, when the 3D display is switched to the 2D display, the action of removing the glasses worn to stereoscopically view the 3D displayed image is performed after the switching from the 3D display to the 2D display. , You cannot enjoy 2D display while doing this action. As described above, conventionally, the user cannot enjoy the images displayed in 2D and the images displayed in 3D from the beginning.

Therefore, according to the present invention, an image displayed in 2D,
It is an object of the present invention to provide an electronic device that allows a user to enjoy images displayed in 3D from the beginning.

[0011]

In order to achieve the above object, in the electronic device of the present invention, a display means capable of switching between 2D display and 3D display and application data to be displayed on the display means are for 2D display. Discriminating means for discriminating whether the image is a 3D display image data or image data for 3D display, and a control means for displaying the discrimination result by the discriminating means on the display means before displaying the application data on the display means. , Are provided.

Here, the determining means may make the determination based on the information included in the application data.

The 3D index pattern, which is an image stereoscopically viewed by the user, is displayed at least before the application data is displayed in 3D on the display unit, and the 3D index pattern is stereoscopically viewed by the user. If so, the 3D index pattern may be displayed so that the image displayed in 3D on the display means is stereoscopically viewed by the user.

At this time, the 3D index pattern may be a printed image. Alternatively, before the application data is displayed in 3D on the display means, the 3
The D index pattern may be displayed in 3D on the display means. In addition, a display means for 3D index pattern, which is a display means capable of 3D display, is provided separately from the display means, and the 3D index pattern is displayed before the application data is displayed in 3D on the display means. Three
You may make it display 3D on the display means for D index pattern.

Further, a setting means for setting whether or not to display the 3D index pattern according to an instruction input by the user may be provided.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS <First Embodiment of the Invention> FIGS.
A first embodiment of the present invention will be described with reference to FIG. FIG. 1 is a block diagram of a mobile phone according to a first embodiment of the present invention. In the figure, 1 is a display unit capable of 2D display and 3D display, 2 is a 2D / 3D discrimination unit, 3 is an application data storage unit, 4 is an instruction input unit, 5 is a program storage unit, 6 is a CPU (central processing). Device), 7 is a 2D / 3D switching unit, 8 is a wireless communication unit, and 9 is an antenna.

The display unit 1 is switchable between 2D display and 3D display. As a method for performing 3D display, for example, Japanese Patent Laid-Open Nos. 6-254046 and 7-3367 are available.
As disclosed in Japanese Patent No. 29, a system that enables stereoscopic vision by using special glasses, or
As disclosed in JP-A-9-43540 and JP-A-9-318911, a parallax barrier method and a lenticular lens method that enable stereoscopic vision with the naked eye are used.

The 2D / 3D discriminating unit 2 is a CPU for the data stored in the application data storing unit 3.
It is determined whether the image data designated by 6 is data for 2D display or data for 3D display, and the determination result is returned to the CPU 6.

The application data storage unit 3 stores data handled by the mobile phone (for example, a telephone directory or an electronic mail). FIG. 2 shows an example of the data structure of the data stored in the application data storage unit 3. The application data storage 3
A data management area 201 that manages the start address of each data area, a telephone directory area 202 that stores each application data, and an email area 203.
Etc.

The instruction input unit 4 is used by the user to input various instructions to the mobile phone by using a key, a pointing device, voice, or the like. The program storage unit 5 stores programs for the CPU 6 to execute various processes. The CPU 6 controls the operation of each unit constituting the mobile phone by operating in accordance with a program stored in the program storage unit 5 according to an instruction input by the user from the instruction input unit 4. .

The 2D / 3D switching unit 7 switches between 2D display and 3D display on the display unit 1 according to an instruction from the CPU 6. When transmitting the application data stored in the application data storage unit 3, the wireless communication unit 8 performs a predetermined transmission process on the data to be transmitted, and then transmits the data via the antenna 9. In addition, when the wireless communication unit 8 receives the application data,
The data received via the antenna 9 is subjected to a predetermined reception process. The received application data is stored in the application data storage unit 3.

FIG. 3 is a diagram showing an example of a data structure of an electronic mail which is an example of data stored in the application data storage unit 3. As shown in FIG. 3A, the e-mail stores a mail management table 301, mail information 302, a mail body 303 storing the body of each e-mail, and attached data for each e-mail. It is composed of attached data 304.

Details of the mail management table 301 are shown in FIG.
As shown in (b), the start address of each piece of mail information is stored. For example, the start address 301a of the first mail information indicates the start address of the first mail information shown in (c) of FIG. As shown in FIG. 3D, the details of each piece of mail information are composed of a sender 305, a destination 306, a subject 307, a date 308, mail body text management information 309, and attached data management information 310.

Further, the mail body management information 309 includes read / unread information 309a of the mail body and a mail body start address 309b, and the attached data management information 310 includes attached data presence / absence information 310a, It is composed of attached data attribute information 310b and attached data start address 310c.

Here, the read / unread information 30 of the mail text
Reference numeral 9a is a flag indicating whether or not the body of each e-mail has been read, and the e-mail body start address 309b indicates the start address where the body of the corresponding e-mail in the mail body 303 is stored.

Further, the attached data presence / absence information 310a is a flag indicating whether or not the attached data exists in the corresponding mail, and the attached data attribute information 310b is used for displaying the attached data in 2D when the attached data exists. Or a 3D display flag, the attached data start address 310c indicates the start address where the attached data of the corresponding email on the attached data 304 is stored when the attached data exists. There is.

FIG. 4 is a diagram showing an example of the screen of the display unit 1 displaying the received electronic mail. FIG. 4A shows an example of a received mail list display screen in which a list of received e-mails is displayed. On the received mail list display screen, there is an unread icon 10 indicating that the email has not been read, a read icon 11 indicating that the email has already been read, and 3D display attached data. 3D display data attachment icon 12 shown,
A 2D display data attachment icon 13 indicating that there is 2D display attachment data, the subject of the email, the date of receipt of the email, and the like are displayed. The received mail list display screen is displayed in 2D on the display unit 1.

FIG. 4B shows an example of an e-mail body display screen displaying the body of the e-mail. The e-mail text display screen includes a text of the e-mail specified by the user using the instruction input unit 4 from among the e-mails displayed on the received mail list display screen, and 3
When the attached data for D display exists, the data attached icon 12 for 3D display is displayed, and when the attached data for 2D display exists, the data attached icon 13 for 2D display is displayed. . In the electronic mail text display screen shown in FIG. 4B, the text of the first electronic mail in the received mail list display screen shown in FIG. 4A is displayed. Further, the electronic mail text display screen is displayed in 2D on the display unit 1.

FIG. 5 is a flowchart of the operation performed by the CPU 6 when the received mail list display screen is displayed. The start address of the mail information related to the current email is acquired from the application data storage unit 3 (S
501). Next, the display start position is initialized (the display start position is set to the unread / read icon display position) (S50
2). Next, the display content for one line is cleared (S50
3). Next, based on the start address of the mail information acquired in S501, the read / unread information 309a of the mail text relating to the currently focused electronic mail is acquired from the application data storage unit 3 (S504). Next, the unread icon 10 is set at the display start position (S505).

Next, based on the read / unread information 309a of the mail body acquired in S504, it is determined whether or not the body of the current email is already read (S506).
If it has been read (Y in S506), the read icon 11 is set at the display start position (S507), and thereafter, the process proceeds to S508 described later. On the other hand, if it has not been read (N in S506), the process directly proceeds to S508.

In step S508, the display start position is set to the subject name display position. When S508 ends, the subject 307 and the date 308 of the currently-focused e-mail are acquired from the application data storage unit 3 based on the start address of the mail information acquired in S501 (S509). Next, the subject 307 and date 308 acquired in S509 are set in the display start position (S510). Next, the display start position is set to the attached icon display position (S511). Next, based on the start address of the mail information acquired in S501, the attached data management information 310 regarding the currently focused electronic mail is acquired from the application data storage unit 3 (S512).

Next, based on the attached data existence / absence information 310a of the attached data management information 310 acquired in S512, it is determined whether or not attached data exists in the electronic mail currently under consideration (S513). If attached data exists (S
(Y of 513), and the process proceeds to S514 described later. On the other hand, if the attached data does not exist (N of S513), the process is ended as it is.

In step S514, a 2D display data attachment icon 13 indicating that 2D display attachment data exists at the display start position is set. When S514 ends, S5
Based on the attached data attribute information 310b of the attached data management information 310 acquired in step 12, it is determined whether or not the attached data of the currently focused email is for 3D display (S).
515).

If the attached data is for 3D display (S51)
(Y of 5), the 3D display data attachment icon 12 indicating that the attachment data for 3D display exists at the display start position is set (S516), and the process ends. On the other hand, if the attached data is not the data for 3D display (N in S515), the process ends.

By repeating the series of processes described with reference to the flowchart shown in FIG. 5 by sequentially focusing on each mail, the received mail list display screen as shown in FIG. 4A is displayed. Will be.

FIG. 6 is executed by the CPU 6 when the user designates which mail body of the electronic mail displayed on the received mail list display screen as shown in FIG. 4A is designated by the user. It is a flow chart of operation. The start address of the mail information related to the designated electronic mail is acquired from the application data storage unit 3 (S60).
1). Next, the display start position is initialized (S602).
Next, the display content for one screen is cleared (S603).

Next, based on the start address of the mail information acquired in S601, the read / unread information 309a of the mail text in the application data storage unit 3 relating to the designated electronic mail must be read. Is displayed (S604). Next, based on the start address of the mail information acquired in S601, the mail body start address 309b relating to the designated electronic mail is acquired from the application data storage unit 3 (S605).

Next, the body of the designated electronic mail is acquired from the application data storage unit 3 based on the mail body start address 309b acquired in S605 (S6).
06). Next, the body of the electronic mail acquired in S606 is set at the display start position (S607). Next, the display start position is set to the icon display position (S608). After this, S512 to S51 shown in the flowchart of FIG.
The process of 6 is performed.

By performing the series of processing described with reference to the flow chart shown in FIG. 6 above, (b) in FIG.
The e-mail text display screen as shown in is displayed.

FIG. 7 shows a state in which the user has instructed to display the attached data using the instruction input unit 4 in a state in which the electronic mail text display screen as shown in FIG. 4B is displayed. 2 is a flowchart of the operation performed by the CPU 6. The start address of the mail information relating to the specified e-mail (the e-mail whose body is displayed) is acquired from the application data storage unit 3 (S
701). Next, based on the start address acquired in S701, the attached data management information 310 related to the designated e-mail is acquired from the application data storage unit 3 (S702).

Next, based on the attached data existence / non-existence information 310a of the attached data management information 310 acquired in S702, it is determined whether or not the attached data exists in the designated electronic mail (S703). If attached data exists (Y of S703), it will transfer to S704 mentioned later. On the other hand, if the attached data does not exist (N in S703), the process ends.

In step S704, it is determined based on the attached data attribute information 310b of the attached data management information 310 acquired in step S702 whether or not the attached data of the designated electronic mail is data for 3D display. Attached data is 3D
If the data is for display (Y in S704), since the display unit 1 is currently in 2D display, the display unit 1 is switched to 3D display (S705), and thereafter, the process proceeds to S706 described below. On the other hand, if the attached data is not data for 3D display (N in S704), the process directly proceeds to S706.

In S706, the attached data start address 310c of the attached data management information 310 acquired in S702.
Based on the above, the attached data of the designated electronic mail is acquired from the application data storage unit 3. When S706 ends, the attached data acquired in S706 is displayed on the display unit 1 (S707).

Through the series of processes described with reference to the flow chart shown in FIG. 7, the user can input the instruction input section while the electronic mail text display screen as shown in FIG. 4B is displayed. The attached data can be displayed by inputting an instruction to display the attached data using 4.

In the first embodiment, the e-mail text display screen as shown in FIG. 4B, and
On the received mail list display screen as shown in FIG. 4 (a) displayed before that, the user uses the icons 12 and 13 to determine whether the attached data is data for 3D display or for 2D display. Since it is possible to recognize whether or not the data is the data, it is possible to perform an action necessary for stereoscopic viewing before the attached data for 3D display is displayed in 3D. Thereby, the user can stereoscopically view the attached data displayed in 3D from the beginning.

Further, in the first embodiment, it is determined whether the application data is for 2D display or for 3D display based on the information included in the application data. In the electronic device having the function, the intention and thought of the creator of the application data can be surely transmitted to the communication partner, and the quality of communication can be improved.

As shown in FIG. 4, in the present embodiment, the icon 12 indicating that the attached data is data for 3D display and the icon 13 indicating that the attached data is data for 2D display are shown. Is displayed in reverse video, but it is only necessary to be able to distinguish between the icon indicating that the data is for 3D display and the icon indicating that the attached data is data for 2D display. The two icons may have different colors or may have different sizes. Also,
Whether the attached data is for 3D display, or
Whether or not the data is for 2D display may be displayed using characters instead of using icons.

Further, in the present embodiment, information indicating whether the data is for 3D display or for 2D display is displayed on the screen on which the data for 3D display or 2D display is displayed. However, instead of doing so, for example, a light emitting diode is separately provided and the light emitting diode is turned on and off, or a different light emitting diode is used. The user may be notified by emitting light in colors.

<Second Embodiment of the Present Invention> A second embodiment of the present invention will be described with reference to FIGS. Second of the present invention
The embodiment has a configuration in which the 3D index member 15 is added to the above-described first embodiment, and the image displayed in 3D on the display unit 1 is stereoscopically viewed with the naked eye by the user observing from an appropriate position. It is possible.

FIG. 8 is an external view of a mobile phone according to the second embodiment of the present invention. A 3D index member 15 is attached to the upper part of the display unit 1 in the cabinet 14 of the mobile phone. As shown in the sectional view of FIG. 9, the 3D index member 15 has a lenticular lens layer 15a, a print layer 15b on which a right-eye image and a left-eye image are printed with a parallax, and
The entire 3D index member 15 is the mobile phone cabinet 14
It is composed of an adhesive layer 15c for sticking to. still,
The image printed on the print layer 15b may be a figure or a character, but the appearance can be accented by adopting an appropriate image.

As a result, the user can use the 3D index member 15
The image printed on the printing layer 15b is viewed through the lenticular lens layer 15a, and the image printed on the printing layer 15b of the 3D index member 15 is stereoscopically viewed by viewing from an appropriate position. You can

FIG. 10 shows an observation position where the image printed on the 3D index member 15 is stereoscopically viewed by the user, and the display unit 1.
It is a figure which shows the relationship with the observation position where the image displayed in 3D is stereoscopically viewed by the user. The image displayed in 3D on the display unit 1 is at a position 90 apart from the display unit 1 by a distance d2.
It is possible to see stereoscopically by viewing from 2. If the distance from the display unit 1 to the 3D index member 15 is d3, the distance d1 at the position 901 where the image printed on the 3D index member 15 can be viewed stereoscopically is d1≈d.
2-d3.

Accordingly, the observation position where the image printed on the 3D index member 15 is stereoscopically viewed by the user and the observation position where the image 3D displayed on the display unit 1 is stereoscopically viewed by the user are substantially. Is equal to Therefore, the user can stereoscopically view the image displayed in 3D on the display unit 1 by adjusting the observation position so that the image printed on the 3D index member 15 is stereoscopically viewed. It is possible to easily know the observation position where the image displayed in 3D on the unit 1 can be stereoscopically viewed. In addition, from the display unit 1 to 3D
If the distance d3 to the index member 15 is so small as to be negligible compared to the distance d2 at which the display unit 1 can stereoscopically view, d1≈
It may be d2.

That is, the user can confirm the attached data to be viewed from the received mail list display screen as shown in FIG. 11A or the electronic mail text display screen as shown in FIG. 11B. When it is recognized that the data is for 3D display, the observation position is adjusted so that the image printed on the 3D index member 15 is stereoscopically viewed, and then an instruction is input to display the attached data. The image displayed in 3D can be stereoscopically viewed from the beginning.

As for the 3D index member, a stereoscopic image may be printed on a cabinet of an electronic device through a lenticular lens, and the lenticular lens may be attached to the printed portion of the cabinet. In addition, as a method to realize stereoscopic vision with the naked eye,
A method other than using a lenticular lens, such as using a hologram or a parallax barrier, may be used. Further, in the above embodiment, only one 3D index member is provided, but a plurality of 3D index members may be provided.

<Third Embodiment of the Present Invention> FIGS. 12 and 1
The third embodiment of the present invention will be described with reference to FIG. The block diagram of the mobile phone of the third embodiment of the present invention is the same as that of the mobile phone of the first embodiment described above with reference to FIG. 1, and the data structure of the application data storage unit 3 is also the first embodiment. It is the same as the form. The display unit 1
The image displayed in 3D can be stereoscopically viewed with the naked eye by the user observing it from an appropriate position.

FIG. 12A shows an example of a received mail list display screen displaying a list of received e-mails.
It is displayed by the series of processes described using the flowchart shown in FIG. 5 in the first embodiment.

FIG. 12B is an example of an electronic mail text display screen on which the text of the electronic mail is displayed, which is displayed by the series of processing described using the flowchart shown in FIG. 6 in the first embodiment. . In addition, (a) of FIG.
The received mail list display screen and the electronic mail text display screen respectively shown in (b) are displayed in 2D on the display unit 1.

FIG. 12C shows the case where the user inputs an instruction to display the attached data using the instruction input unit 4 on the e-mail text display screen shown in FIG. 12B. 3 is a 3D observation position adjustment screen displayed in 3D on the display unit 1. A 3D index pattern 1101 is displayed on this 3D viewing position adjustment screen, and the user adjusts the viewing position so that the 3D index pattern 1101 is viewed stereoscopically, so that it is subsequently displayed in 3D on the display unit 1. The image can be viewed stereoscopically. Also, 3
The D index pattern may be an indicator that allows the user to determine his / her position with respect to the display unit 1 when the display unit 1 described in Japanese Patent Laid-Open No. 10-229567 has a 3D display. The 3D index pattern 1101 may be a graphic pattern or a character pattern.

FIG. 13 shows a case where the user has instructed to display the attached data via the instruction input unit 4 in the state where the electronic mail text display screen as shown in FIG. 12B is displayed. 2 is a flowchart of the operation performed by the CPU 6. The start address of the mail information related to the specified e-mail (the e-mail whose body is being displayed) is acquired from the application data storage unit 3 (S1).
301). Next, based on the start address acquired in S1301, the attached data management information 310 relating to the designated electronic mail is acquired from the application data storage unit 3 (S1302).

Next, based on the attached data presence / absence information 310a of the attached data management information 310 acquired in S1302, it is determined whether or not attached data exists in the designated electronic mail (S1303). If the attached data exists (Y of S1303), it is determined whether or not the attached data of the designated e-mail is for 3D display based on the attached data attribute information 310b of the attached data management information 310 acquired in S1302. Yes (S1304). On the other hand, if the attached data does not exist (N of S1303), the process is ended as it is.

If the result of determination in S1304 is that the attached data is for 3D display (Y in S1304), since display unit 1 is currently in 2D display, display unit 1 is switched to 3D display (S1305), and thereafter. The 3D observation position adjustment screen as shown in FIG. 12C is displayed on the display unit 1 (S1306). On the other hand, if the attached data is not for 3D display (N of S1304), the process proceeds to S1309 described later.

Upon completion of S1306, an input from the user using the instruction input unit 4 is accepted (S13061), and it is determined whether or not the user has input OK (S13).
07). When OK is input (Y in S1307),
The process moves to S1309 described below. On the other hand, if OK is not input (N in S1307), it is determined whether or not the user inputs a cancellation via the instruction input unit 4 (S1308). When the cancellation is input (S
(Y of 1308), the electronic mail body display screen of the body of the designated electronic mail is returned to the state displayed on the display unit 1 (S1311). On the other hand, if the cancellation is not input (N in S1308), the process returns to S13061.

At S1309, the attached data start address 31 of the attached data management information 310 acquired at S1302.
Based on 0c, the attached data of the designated electronic mail is acquired from the application data storage unit 3. S1309
When is completed, the attached data acquired in S1309 is displayed on the display unit 1 (S1310).

Through the series of processing described with reference to the flow chart shown in FIG. 13, the user inputs the instruction input section while the electronic mail text display screen as shown in FIG. 12B is displayed. The attached data can be displayed by inputting an instruction to display the attached data using 4.

In the third embodiment, before the attached data is displayed, if the attached data is data for 3D display, the 3D observation position as shown in FIG. Since the adjustment screen is displayed in 3D, the user can easily know the observation position where the image displayed in 3D by the display unit 1 is stereoscopically viewed.

In addition, 3D as shown in FIG.
After the observation position adjustment screen is displayed in 3D, the display of the attached data is not started unless the user inputs OK, so the user stereoscopically views the image in the 3D observation position adjustment screen. By adjusting the observation position as described above and then inputting "OK", the attached data displayed in 3D can be stereoscopically viewed from the beginning.

<Fourth Embodiment of the Present Invention> FIGS. 14 to 17
The fourth embodiment of the present invention will be described with reference to FIG. FIG. 14 is a block diagram of a mobile phone according to the fourth embodiment of the present invention. The point different from FIG. 1, which is the block diagram of the mobile phone of the first embodiment described above, is that the 3D index display unit 16 and the 3D index display unit control unit 17 are provided, and the other points are the same. The data structure of the application data storage unit 3 is also the same as in the first embodiment.

The 3D index display section 16 displays a 3D index pattern. The 3D index display unit control unit 17 controls the operation of the 3D index display unit 16 under the control of the CPU 6 according to the determination result of the 2D / 3D determination unit 2. 3 users
By adjusting the observation position so that the 3D index pattern displayed on the D index display unit 16 is viewed stereoscopically, the image displayed in 3D on the display unit 1 can be viewed stereoscopically. In addition, the 3D index pattern is displayed by the display unit 1 described in JP-A-10-229567.
In the case of D display, it may be an indicator that allows the user to determine his / her position with respect to the display unit 1. The 3D index pattern displayed by the 3D index display unit 16 may be a graphic pattern or a character pattern. In addition, at least one 3D index display unit 16 may be provided near the display unit 1.

FIG. 15 is an example of a screen displaying the received electronic mail, and each of these screens is displayed in 2D on the display unit 1. In FIGS. 15A and 15B, the 3D index pattern is displayed on the 3D index display unit 16, while FIG.
5C and 5D show that the 3D index pattern is not displayed on the 3D index display unit 16. Further, 18 in FIGS. 15A and 15C is a cursor, and the cursor 18 is moved by the operation of the user,
Further, the electronic mail whose subject is displayed at the position of the cursor 18 is selected.

FIG. 15A shows an example of a received mail list display screen displaying a list of received electronic mail.
In (a) of FIG. 15, since the attached data for 3D display exists in the electronic mail of the subject where the cursor 18 is located, the 3D index display unit 16 displays the 3D index pattern.

FIG. 15B shows a state where the received mail list display screen shown in FIG. 15A is displayed and the user inputs an instruction to display the body of the electronic mail. FIG. 15 is an e-mail text display screen displayed.
In (a), the body of the electronic mail of the subject where the cursor 18 is positioned is displayed. In (b) of FIG. 15, since the attached data for 3D display exists in the electronic mail in which the mail text is displayed, the 3D index display unit 16 displays the 3D index pattern.

FIG. 15C is an example of a received mail list display screen displaying a list of received electronic mail.
In (c) of FIG. 15, the attached data exists in the email of the subject where the cursor 18 is located, but it is 3D.
Since it is not for display, the 3D index display unit 16 does not display the 3D index pattern.

FIG. 15D shows the received mail list screen shown in FIG. 15C when the user inputs an instruction to display the body of the electronic mail. 15 is an electronic mail text display screen displayed, in which the text of the electronic mail of the subject where the cursor 18 is positioned is displayed in (c) of FIG. In (d) of FIG. 15, the attached data exists in the email in which the email body is displayed, but since it is not for 3D display, the 3D index display unit 1
6 does not display the 3D index pattern.

FIG. 16 shows the CPU 6 after the received mail list display screen shown in FIGS. 15A and 15C is displayed and after the position of the cursor 18 in the received mail list display screen is changed. It is a flowchart of the operation to be performed. E-mail currently selected ((a) and (c) in FIG. 15)
Cursor 1 in the received mail list display screen as shown in
The start address of the mail information related to the electronic mail having the subject 8 is acquired from the application data storage unit 3 (S1601). Next, based on the start address of the mail information acquired in S1601, the attached data management information 310 regarding the currently selected e-mail is acquired from the application data storage unit 3 (S160).
2).

Next, based on the attached data presence / absence information 310a of the attached data management information 310 acquired in S1602, it is determined whether or not attached data exists in the currently selected e-mail (S1603). If attached data exists (Y of S1603), attached data attribute information 310b of the attached data management information 310 acquired in S1602.
Based on, it is determined whether or not the attached data is for 3D display (S1604). On the other hand, if there is no attached data (N in S1603), the 3D index display unit 16 is turned off (the 3D index pattern is not displayed on the 3D index display unit 16) (S1606).

If the result of determination in S1604 is that the attached data is for 3D display (Y in S1604), the 3D index display section 16 is turned on (3D index pattern is displayed on the 3D index display section 16). ) (S1605). On the other hand, if the attached data is not for 3D display (N in S1604), the 3D index display unit 16 is turned off (S160).
6).

FIG. 17 shows the received mail list display screen as shown in FIGS. 15A and 15C.
7 is a flowchart of an operation performed by the CPU 6 when the user instructs to display the body of the electronic mail. The start address of the mail information regarding the currently selected e-mail (the e-mail of the subject where the cursor 18 is located in the received mail list display screen as shown in (a) and (c) of FIG. 15) is set as the application. It is acquired from the data storage unit 3 (S1701). Next, the display start position is initialized (S1702). Next, the display content for one screen is cleared (S1703). Next, based on the start address of the mail information acquired in S1701, the read / unread information 3 of the mail text relating to the currently selected e-mail.
09a is set to a state indicating that the mail text has already been read (S1704).

Next, based on the start address of the mail information acquired in S1701, the mail body start address 309b for the currently selected e-mail is acquired from the application data storage unit 3 (S1705). Next, the email body start address 30 acquired in S1705
9b, the body of the currently selected e-mail is acquired from the application data storage unit 3 (S170).
6). Next, the body of the electronic mail acquired in S1706 is set at the display start position (S1707).

Next, the display start position is set to the attached icon display position (S1708). Next, based on the start address of the mail information acquired in S1701, the attached data management information 310 regarding the currently selected e-mail is acquired from the application data storage unit 3 (S170).
9).

Next, based on the attached data presence / absence information 310a of the attached data management information 310 acquired in S1709, it is determined whether or not attached data exists in the currently selected e-mail (S1710). If attached data exists (Y of S1710), attached data attribute information 310b of the attached data management information 310 acquired in S1709.
It is determined whether the attached data of the currently selected e-mail is for 3D display based on (S171).
1). On the other hand, if the attached data does not exist (S1709).
N), the 3D index display unit 16 is turned off (the 3D index display unit 16 does not display the 3D index pattern) (S17).
15).

If the result of determination in S1711 is that the attached data is for 3D display (Y in S1711), the 3D display data attachment icon 12 is set at the display start position (S1).
712) Turn on the 3D index display unit 16 (display the 3D index pattern on the 3D index display unit 16) (S17).
13). On the other hand, if the attached data is not for 3D display (S
1711 (N), the 2D display data attachment icon 13 is set at the display start position (S1714), and the 3D index display unit 16 is turned off (S1715).

The user is instructed to display the attached data by using the instruction input unit 4 while the electronic mail text display screen as shown in FIGS. 15B and 15D is displayed. In this case, the CPU 6 performs the operation shown in the flowchart of FIG. As a result, the user can
Display the attached data by inputting an instruction to display the attached data using the instruction input unit 4 in a state in which the e-mail text display screen as shown in (b) or (d) is displayed. It can be displayed on the section 1.

As described above, in the fourth embodiment, the attached data for 3D display is displayed on the received mail list display screen displayed on the display unit 1 as shown in FIGS. 15 (a) and 15 (c). When an email with is selected,
Also, when the body of the email having attached data for 3D display is displayed as the email body display screen as shown in (b) and (d) of FIG. 15, the 3D indicator is displayed on the 3D indicator display unit 16. Since the pattern is displayed, the image displayed in 3D on the display unit 1 can be stereoscopically viewed by adjusting the observation position so that the 3D index pattern displayed on the 3D index display unit 16 is stereoscopically viewed. It is possible to easily know the possible observation positions.

Then, on the received mail list display screen as shown in FIGS. 15A and 15C or the electronic mail text display screen as shown in FIGS. 15B and 15D, the user can When the 3D index pattern is displayed on the 3D display data attachment icon 12 or the 3D index display unit 16, if the attached data to be viewed is recognized as the 3D display data, the 3D index display unit is displayed. 16
By stereoscopically viewing the image of the attached data displayed in 3D from the beginning by adjusting the observation position so that the 3D index pattern displayed in 3D is stereoscopically displayed and then inputting an instruction to display the attached data. You can

In the present embodiment, in order to inform the user whether or not the attached data exists and whether the attached data is for 3D display or 2D display, (a in FIG. ) To (d), the 3D display data attachment icon 12 is displayed when the 3D display attachment data exists, and the 2D display data attachment icon 13 is displayed when the 2D display attachment data exists. It was supposed to display each, but instead of doing this, if attached data exists, one type of icon is displayed regardless of whether it is for 3D display or 2D display. By doing so, an icon may be used to notify the user only as to whether or not the attached data exists. This is because the user can recognize whether the attached data is for 3D display or for 2D display depending on whether the 3D index display unit 16 is turned on or off.

<Fifth Embodiment of the Present Invention> A fifth embodiment of the present invention is shown in (c) of FIG. 12 prior to displaying attached data for 3D display on the above-mentioned third mobile phone. The user can set whether to display the 3D observation position adjustment screen as shown on the display unit 1.

FIG. 18 is a block diagram of a mobile phone according to the fifth embodiment of the present invention. The point different from FIG. 1 which is a block diagram of the third embodiment is a RAM 1 connected to a CPU 6.
9 is provided, and other configurations are the same.
The RAM 19 stores various flags and is used as a work area for various calculations.

FIG. 19 shows the data structure of the RAM 19. As shown in FIG. 19, the RAM 19 includes a display data area 1701 for creating screen display data, various work areas 1702 used for various calculations, and various types of data indicating the operating state of the mobile phone. The flag area 1703 stores various flags. The various flag areas 1703 include the 3D index pattern display flag 20, and when the value of the 3D index pattern display flag 20 is “1”, it means to display the 3D observation position adjustment screen. If the value is “0”, it means that the 3D observation position adjustment screen is not displayed.

FIG. 20 shows an example of a 3D index pattern display setting screen displayed when the user sets whether or not to display the 3D viewing position adjusting screen. In this example,
Text 1801 prompting for setting, option 1 of "display"
802, an option 1803 of “not display”, and
The cursor 18 is displayed. It should be noted that the option 1802 of "display" and the option 180 of "not display"
Cursor 18 to the currently selected option
Is displayed.

FIG. 21 is a flowchart of the operation performed by the CPU 6 when the user inputs an instruction to perform the 3D index pattern display setting. First, 3D shown in FIG.
Display the index pattern display setting screen on the display unit 1 (S
2101). Next, the 3D index pattern display flag is acquired from the RAM 19 (S2102). Then, S2102
It is determined whether the value of the 3D index pattern display flag acquired in 1 is 1 (S2103).

If the value of the 3D index pattern display flag is 1 (Y of S2103), the position of the cursor 18 displayed in the 3D index pattern display setting screen is set to the option 1802 of "display" (S2104). ,on the other hand,
If the value of the 3D index pattern display flag is not 1 (S2
(N of 103) The position of the cursor 18 displayed in the 3D index pattern display setting screen is set to the option 1803 of “not displayed” (S2105).

Next, an input from the user using the instruction input unit 4 is accepted (S2106), and whether or not an OK message is input from the user (specifically, an OK key provided in the instruction input unit 4). Has been operated) (S2107), whether the user has input a selection change instruction (specifically,
(Whether the cursor up / down keys of the instruction input section 4 have been operated)
It is determined (S2113) and whether or not the user inputs a cancellation message (specifically, whether or not the cancel key provided in the instruction input unit 4 is operated) (S2115).

When the user inputs OK (specifically, when the OK key provided in the instruction input unit 4 is operated) (Y in S2107), it is displayed in the 3D index pattern display setting screen. The position of the cursor 18 to be displayed (S
2108), if the position of the cursor 18 is "display" (Y in S2109), the value of the 3D index pattern display flag stored in the RAM 19 is set to 1 (S2110), while the cursor 18 If the position is not "display" (N in S2109), R
The value of the 3D index pattern display flag stored in the AM 19 is set to 0 (S2111). When S2110 and S2111 are completed, the 3D index pattern display setting screen displayed on the display unit 1 is erased (display of the 3D index pattern display setting screen is ended) (S2112).

When the user inputs a selection change instruction (specifically, when the cursor up / down key provided in the instruction input unit 4 is operated) (Y in S2113), the 3D index pattern display setting screen is displayed. If the cursor 18 displayed inside is located at the item "display", move the cursor 18 to the item "not display", while
When the cursor 18 is located in the item "not displayed", the cursor 18 is moved to the item "displayed" to display the cursor 1 in the 3D index pattern display setting screen.
The position where 8 is displayed is changed (S2114). S21
When step 14 is completed, the process returns to step S2106 described above to accept an input from the user.

When the user inputs a message of cancellation (specifically, when the cancel key provided in the instruction input unit 4 is operated) (Y in S2115), the 3D image displayed on the display unit 1 is displayed. Clear the index pattern display setting screen (end display of the 3D index pattern display setting screen)
(S2112).

The value of the 3D index pattern display flag stored in the RAM 19, that is, the value of the 3D index pattern display flag stored in the RAM 19 is obtained by performing an appropriate input using the instruction input unit 4 through the series of processes described with reference to the flowchart shown in FIG. It is possible to set whether to display the 3D observation position adjustment screen on the display unit 1. In addition, when performing this setting,
Since the 3D index pattern display setting screen as shown in 0 is displayed on the display unit 1, the user can easily confirm the setting contents and the usability is excellent.

FIG. 22 is a flowchart of the operation performed by the CPU 6 when the user gives an instruction via the instruction input unit 4 to display the attached data. The flowchart shown in FIG. 22 adds processing between S1305 and S1306 of the flowchart shown in FIG. 13 described above in the third embodiment, so only the added processing will be described.

After the display unit 1 is switched to the 3D display in S1305, the 3D index pattern display flag is acquired from the RAM 19 (S2201) and if the value of the 3D index pattern display flag is 1 (Y in S2202), the process proceeds to S1306. Then, the screen for adjusting the 3D observation position as shown in FIG. 12C is displayed on the display unit 1. On the other hand, if the value of the 3D index pattern display flag is not 1 (N of S2202), the process proceeds to S1309, and the attached data of the designated e-mail is acquired from the application data storage unit 3.

Through the series of processing described with reference to the flow chart shown in FIG. 22, the user can check the 3D index display unit 1
By setting not to display the 3D index pattern on 6, the 3D display as shown in (c) of FIG. 12 is performed before the attached data for 3D display is displayed on the display unit 1.
The observation position adjustment screen is no longer displayed.

As a result, the user is accustomed to stereoscopically viewing the image displayed in 3D, and even if the 3D viewing position adjusting screen as shown in FIG. When it is possible to know the observation position at which the image displayed in 3D in the unit 1 can be viewed stereoscopically, the setting for not displaying the 3D observation position adjustment screen is made, while the image displayed in 3D is stereoscopically viewed. If the user is not accustomed to the 3D viewing position adjustment screen and the 3D viewing position adjustment screen is not displayed, and the 3D viewing image stereoscopic viewing position cannot be known, the 3D viewing position adjustment screen is displayed. It is possible to use it by setting it, and it is possible to realize operability according to the level of the user.

By setting the 3D observation position adjustment screen so that it is not displayed, the 3D observation position adjustment screen is not displayed on the display unit 1, and the display unit 1 displays 3D.
Since the attached data for D display is displayed quickly, the user can observe the attached data for 3D display earlier.

In the fourth embodiment, the RAM 19 is provided as in the fifth embodiment, and the user can set whether or not to display the 3D index pattern on the 3D index display section 16. It may be configured to be capable of In this case, the operation performed by the CPU 6 when the user inputs an instruction to perform the 3D index pattern display setting is the same as that performed in the fifth embodiment according to the flowchart shown in FIG. .

Then, after the received mail list display screen shown in FIGS. 15A and 15C is displayed and after the position of the cursor 18 in the received mail list display screen is changed, FIG. CPU6 according to the flowchart shown in
Should be operated. The flowchart shown in FIG. 23 includes S2301 and S2 before S1601 of the flowchart shown in FIG. 16 described above in the fourth embodiment.
302 is added.

That is, first, the 3D index pattern display flag is acquired from the RAM 19 (S2301), and if the value of the 3D index pattern display flag is 1 (Y in S2302), the process proceeds to S1601 and is currently selected. The start address of the mail information regarding the electronic mail is acquired from the application data storage unit 3. On the other hand, if the value of the 3D index pattern display flag is not 1 (N in S2302), the process proceeds to S1606 to turn off the 3D index display unit 16 (disable the 3D index pattern from being displayed on the 3D index display unit 16). ).

Further, when the user requests the display of the body of the electronic mail, the CPU 6 may operate according to the flowchart shown in FIG. The flowchart shown in FIG. 24 is S1712 and S1713 of the flowchart shown in FIG. 17 described above in the fourth embodiment.
And S2401 and S2402 are added between and.

That is, in S1712, 3 is set at the display start position.
After setting the D display data attachment icon, RAM
The 3D index pattern display flag is acquired from 19 (S2
401). If the value of the 3D index pattern display flag is 1 (Y of S2402), the process proceeds to S1713 to turn on the 3D index display unit 16 (3D index display unit 16 displays 3D).
Display the indicator pattern). On the other hand, if the value of the 3D index pattern display flag is not 1 (N in S2402), S
Moving to 1715, the 3D index display unit 16 is turned off (the 3D index display unit 16 does not display the 3D index pattern).

By the series of processes described with reference to the flow charts shown in FIGS. 23 and 24, the user sets the 3D index display unit 16 so that the 3D index pattern is not displayed. ) And (c)
When the attached mail for 3D display exists in the selected e-mail when the received mail list display screen as shown in Fig. 15 is displayed on the display unit 1, or in (b) and (d) of FIG. Even when the body of the email having the attached data for 3D display is displayed on the email body display screen as shown, the 3D index pattern is not displayed on the 3D index display unit 16.

Thus, the user is accustomed to stereoscopically viewing the image displayed in 3D, and the 3D index display unit 16
Even if the 3D index pattern is not displayed in the
When it is possible to know the observation position at which the D-displayed image can be stereoscopically viewed, the 3D index display unit 16 is set not to display the 3D index pattern, while the 3D-displayed image is stereoscopically viewed. If the user is not accustomed to the 3D index display unit 16 and the 3D index pattern is not displayed, and the viewing position where the image displayed in 3D on the display unit 1 can be viewed stereoscopically cannot be known, the 3D index display unit 16 displays The 3D index pattern can be set to be displayed, and the operability according to the level of the user can be realized.

If the 3D index display unit 16 is set not to display the 3D index pattern, a specific pattern for each user such as a banner which is a signboard type advertisement, a user's signature or an image of his / her preference. Etc. 3
You may make it display on the D index display part 16.

Although the above-described embodiments are examples in which the present invention is applied to a mobile phone, the present invention can be applied to any electronic device having a display unit capable of switching between 2D display and 3D display. Is possible. For example, it is possible to apply to a stereoscopic television that can use an electronic program guide (EPG), an electronic recording / playback device with a display device that can record and play back 3D images, and a table when applied to these electronic devices. Examples are shown in (a) and (b) of FIG. 25, respectively. In the same figure, it is indicated that the item with the display of "3D" is an image for 3D display, and the item without the display of "3D", and
It is indicated that the item with the display “2D” is an image for 2D display.

Further, the application data storage unit 3
Is a storage medium (CD, DV
D, semiconductor memory, hard disk, etc.), or not directly provided in the electronic device body,
It may be connectable by wire communication or wireless communication.

Further, in each of the above-mentioned embodiments, the user is informed of that fact when switching from 2D display to 3D display, but when switching from 3D display to 2D display, that effect is also notified. The user may be informed.

[0114]

As described above, according to the present invention,
The user can recognize whether the application data he or she is going to view is 2D display or 3D display, and thus creates an appropriate observation situation before 2D display and 3D display are started. It becomes possible to perform an action, and it becomes possible to enjoy the image displayed in 2D and the image displayed in 3D from the beginning.

Further, according to the present invention, whether the application data is for 2D display or for 3D display is determined based on the information included in the application data. In electronic devices equipped with, it is possible to reliably convey the intention and thought of the creator of the application data to the communication partner,
The quality of communication can be improved.

Further, according to the present invention, if the positional relationship between the electronic device and the user is appropriate, at least before the application data is displayed in 3D on the display means, at least the 3D index pattern, which is an image stereoscopically viewed by the user, is displayed. Is displayed, and if the positional relationship between the electronic device and the user is such that the 3D index pattern is stereoscopically viewed by the user, the image displayed in 3D on the display means is also stereoscopically viewed by the user. Since the 3D index pattern is displayed as described above, the user can easily adjust the viewing position so that the 3D index pattern can be viewed stereoscopically, thereby facilitating the viewing position where the image displayed in 3D can be viewed stereoscopically. It will be convenient for the user to know.

If the 3D index pattern is printed, for example, on the cabinet of the electronic device, the user can display the image in 3D on the display means at any time, even when the power of the electronic device is turned off. It becomes possible to obtain an observation position at which is stereoscopically viewed. In addition, the appearance of the electronic device can be accented.

Alternatively, the 3D index pattern may be displayed in 3D on the display means before the application data is displayed in 3D on the display means, or by a display means capable of 3D display. A certain 3D index pattern display means is provided separately from the application data display means, and the 3D index pattern is displayed in 3D on the 3D index pattern display means before the application data is displayed in 3D on the display means. You may

In this way, the user is provided with the setting means for setting whether or not to display the 3D index pattern in accordance with the instruction input by the user.
I am used to stereoscopically viewing 3D images, and
Even if the D index pattern is not displayed, if it is possible to know the observation position where the image displayed in 3D can be viewed stereoscopically, the 3D index pattern is set not to be displayed.
On the other hand, if the user is not accustomed to stereoscopically viewing the image displayed in 3D and the 3D index pattern is not displayed and the observation position at which the image displayed in 3D can be viewed stereoscopically cannot be known, the 3D index pattern is displayed. It is possible to use such as setting to display, and it is possible to realize operability according to the level of the user.

[Brief description of drawings]

FIG. 1 is a block diagram of a mobile phone according to first, second, and third embodiments of the present invention.

FIG. 2 is a diagram showing an example of a data structure of application data stored in an application data storage unit shown in FIG.

FIG. 3 is a diagram showing an example of a data structure of an electronic mail which is an example of the application data shown in FIG.

FIG. 4 is a diagram showing a display screen in the first embodiment.

FIG. 5 is a flowchart of an operation performed by a CPU when displaying a received mail list display screen in the first embodiment.

FIG. 6 is a flowchart of an operation performed by a CPU when a user specifies which email body of an email is to be displayed in the first embodiment.

FIG. 7 is a flowchart of an operation performed by a CPU when a user instructs to display attached data in the first embodiment.

FIG. 8 is an external view of a mobile phone according to a second embodiment of the present invention.

FIG. 9 is a cross-sectional view of a 3D index member.

FIG. 10 is a diagram showing a relationship between an observation position at which an image printed on a 3D index member is stereoscopically viewed by a user and an observation position at which an image displayed in 3D on a display unit is stereoscopically viewed by a user. .

FIG. 11 is a diagram showing a display screen in the second embodiment.

FIG. 12 is a diagram showing a display screen in the third embodiment.

FIG. 13 is a flowchart of an operation performed by a CPU when a user instructs to display attached data in the third embodiment.

FIG. 14 is a block diagram of a mobile phone according to a fourth embodiment of the present invention.

FIG. 15 is a diagram showing a display screen in the fourth embodiment.

FIG. 16 is a flowchart of an operation performed by the CPU after displaying the received mail list display screen and after changing the position of the cursor in the received mail list display screen in the fourth embodiment.

FIG. 17 is a CP when the user instructs to display the body of the electronic mail in the fourth embodiment.
It is a flowchart of the operation | movement which U6 performs.

FIG. 18 is a block diagram of a mobile phone according to a fifth embodiment of the present invention.

19 shows a data structure of the RAM shown in FIG.

FIG. 20 is a diagram showing an example of a 3D index pattern display setting screen in the fifth embodiment.

FIG. 21 is a diagram illustrating a case where a user inputs an instruction to perform 3D index pattern display setting in the fifth embodiment;
It is a flowchart of operation which PU performs.

FIG. 22 is a flowchart of an operation performed by a CPU when a user instructs to display attached data in the fifth embodiment.

FIG. 23 is a flowchart of an operation performed by the CPU after displaying the received mail list display screen and after changing the position of the cursor in the received mail list display screen in another embodiment of the present invention.

FIG. 24 is a flowchart of an operation performed by a CPU when a user requests display of a body of an electronic mail in another embodiment of the present invention.

FIG. 25 is a diagram showing a display example when the present invention is applied to another electronic device.

FIG. 26 is a block diagram of the prior art.

FIG. 27 is a diagram showing a display screen in the related art.

[Explanation of symbols]

1 Display 2 2D / 3D discriminator 3 Application data storage 4 Instruction input section 5 Program storage 6 CPU 7 2D / 3D switching unit 8 Wireless communication section 9 antenna 10 unread icons 11 Read icon 12 Data attachment icon for 3D display 13 Data attachment icon for 2D display 14 cabinets 15 3D index member 16 3D index display 17 3D index display unit control unit 18 cursor 19 RAM 20 3D index pattern display flag

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) H04N 7/14 G06F 13/00 625 // G06F 13/00 625 H04B 7/26 K MF term (reference) 5C061 AA07 AA21 AB01 AB14 AB17 5C064 AA01 AB03 AC12 AC18 AD08 AD14 5K027 AA11 BB02 FF01 FF22 MM17 5K067 AA21 BB04 BB21 DD52 EE02 FF02 FF23 HH22 KK13 KK15

Claims (8)

[Claims] 1. A display unit capable of switching between 2D display and 3D display, and application data to be displayed on the display unit is 2D.
Discriminating means for discriminating whether the image is a display image or image data for 3D display, and a control for displaying the discrimination result by the discriminating means on the display means before displaying the application data on the display means. An electronic device comprising means. 2. The electronic device according to claim 1, wherein the determination unit makes the determination based on information included in the application data. 3. A display device for displaying at least a 3D index pattern that allows a user to specify a stereoscopically visible position by the display means before the application data is displayed in 3D on the display means. The electronic device according to 2. 4. The 3D index pattern is an image stereoscopically viewed by a user, and at least the application data is displayed on the display unit as the 3D index pattern.
Before the D display, the 3D index pattern is displayed, and if the 3D index pattern is stereoscopically viewed by the user, the image displayed in 3D on the display unit is also stereoscopically viewed by the user. The electronic device according to claim 3, wherein: 5. The electronic device according to claim 4, wherein the 3D index pattern is a printed image. 6. The 3D index pattern is displayed on the display unit before the application data is displayed in 3D on the display unit.
Electronic device described in. 7. A 3D index pattern display means is provided separately from the display means, and the 3D index pattern is displayed on the 3D index pattern display means before the application data is 3D displayed on the display means. The electronic device according to claim 3, wherein: 8. The electronic device according to claim 6, further comprising setting means for setting whether or not to display the 3D index pattern according to an instruction input by a user.