WO2003081570A1

WO2003081570A1 - Electronic display apparatus and display method

Info

Publication number: WO2003081570A1
Application number: PCT/JP2002/013867
Authority: WO
Inventors: Kazuya Ohashi; Satoshi Yonai; Toshiro Izuka; Yoshihiro Hayakawa; Kayoko Kawakami
Original assignee: Matsushita Electric Industrial Co., Ltd.
Priority date: 2002-03-25
Filing date: 2002-12-27
Publication date: 2003-10-02
Also published as: AU2002359954A1; JP2003280622A; TW200304637A

Abstract

An electronic display apparatus capable of easily displaying and handling by utilizing the presence of a plurality of display screens. A content read-out unit (13) reads out a predetermined content and performs display related to the content. Furthermore, when an operation switch signal input unit (12) sets a page flip (during a page flip, display is updated by two pages) or a page feed (during a page feed, display is successively updated by one page), a page flip/page feed selecting unit (15) generates an image signal used for the display screen of the page flip or the page feed and supplies the signal to an output signal selecting unit (11), so that the image signal is output to a first display section (14a) and a second display section (14b) while appropriately selecting the image signal. Thus, when displaying an arbitrary page, it is possible to simultaneously display pages before and after the arbitrary page.

Description

Electronic display device and display method

Technical field

The present invention relates to a multi-screen electronic display device having two or more display screens for displaying character information and image information, and a display method thereof.

In particular, text information such as books, essays, newspaper articles, etc.

In the evening, it is possible to display content in which image information such as video data is converted into digital data, and it is a compact and portable electronic screen with a multi-screen display that has a function specialized for displaying such content. The present invention relates to a book (also called an electronic book device) and a display method thereof.

Background art

Conventionally, a portable electronic display device called an electronic book or an electronic book device has been known. This electronic display device displays electronically converted character information and image information on a display screen, and is portable, so that a user browses character information and image information as if reading a book. It is possible. Furthermore, since different contents can be displayed only by changing the electronic data to be read, it is possible to browse a plurality of contents with one electronic display device.

Also, a two-screen electronic book that imitates the shape of a book is known. For example, Japanese Patent Application Laid-Open No. 11-2766466 discloses an electronic book capable of two-screen display. Have been. FIG. 25 is a front view showing an example of the appearance of a conventional electronic book. The two display screens 102 a and 102 b disclosed in Japanese Patent Application Laid-Open No. H11-27674666 are hinge portions 10. The electronic book (electronic display device) 101 connected by 4 is a page turning switch 1 1 3 and 1 1 4, a mode setting switch 1 1 5, a bookmark setting · release switch 1 1 6, and a bookmark with a bookmark Only the minimum operation switches required for the operation of the e-book, such as bookmarks that sequentially display only pages and index pages, and index feed switches 117, etc., are placed on the portable storage medium (content storage means) 100 The content is read out and displayed. As a result, the operability and size of the electronic book 101 are improved.

In addition, the present applicant uses Japanese Patent Application No. 2001-40132, which utilizes the features of an electronic display device with a two-screen display, and operates an operation switch (rotation) on a hinge portion connecting the two display screens. We have filed an application for a two-screen electronic display device with a switch. The electronic display device of the two-screen display described in Japanese Patent Application No. 2000-1401324 is not yet disclosed at the time of filing the present invention and is a known technology. Absent.

However, a display method of displaying content on a two-screen electronic display device is not much different from an electronic display device having only one screen, except that it imitates the shape of a book. In other words, in a two-screen electronic display device, the feature of the two-screen display is not fully utilized, and as a result, the display which is a problem in the electronic display device having only one screen is difficult to see, and the electronic display is difficult. The intractability of the device itself remains an unsolved problem. Disclosure of the invention

In view of the above problems, the present invention provides a multi-screen electronic display device, which utilizes a feature having a plurality of display screens to make display and handling easy and simple. Provide a display method The purpose is to:

In order to achieve the above object, the present invention provides a method for displaying a next page of a predetermined page on a display screen different from the predetermined display screen when a predetermined page of predetermined content is displayed on the predetermined display screen. It is configured to selectively display the previous page.

With this configuration, when a predetermined page is displayed on a predetermined display screen, it is possible to selectively display both the next page and the previous page of the predetermined page on another display screen. Become. Further, according to the selected setting, it is possible to perform the display by turning the page or turning the page.

In order to achieve the above object, the present invention provides a method for displaying a predetermined content, which is not related to a predetermined location of a predetermined content displayed on a predetermined display screen, or a predetermined content displayed on a predetermined display screen. It is configured to display, on another display screen, a portion of the content different from the predetermined content unrelated to the predetermined portion of the content.

With this configuration, the same or different content can be displayed independently on multiple display screens, and independent operations can be performed on the content displayed on multiple display screens. Becomes

In order to achieve the above-mentioned object, the present invention relates to a predetermined content location associated with a predetermined content of a predetermined content displayed on a predetermined display screen, or a predetermined content displayed on a predetermined display screen. A part of the content different from the predetermined content associated with the predetermined part of the content is configured to be displayed on another display screen.

With this configuration, in accordance with the selection of a display location on a predetermined display screen, on another display screen, the designation information specified for the selected location and the association information The display function makes it possible to display information associated with an arbitrary location.

In order to achieve the above object, the present invention displays a predetermined content on a predetermined display screen in a predetermined reference direction, and displays a predetermined content on a different display screen in a direction different from the predetermined reference direction. The content or a content different from the predetermined content is displayed.

With this configuration, when multiple users view the display of the electronic display device from different angles, for example, when a person watching the electronic display device is facing you, It is possible to set the viewing angle so that it can be viewed.

In order to achieve the above object, the present invention is configured to enlarge a display on a predetermined display screen using a plurality of display screens.

With this configuration, it is possible to enlarge and display the content by utilizing the features of the electronic display device having a plurality of display screens having a plurality of display screens.

In order to achieve the above object, the present invention is configured to enlarge and display a part included in a display on another display screen on a predetermined display screen.

With this configuration, it is possible to enlarge and display the content by utilizing the features of the electronic display device having a plurality of display screens having a plurality of display screens. BRIEF DESCRIPTION OF THE FIGURES

FIG. 1 is a front view showing an example of the appearance of a two-screen display electronic display device used in the present invention,

FIG. 2 is an external view of a two-screen display electronic display device used in the present invention. Right side view showing an example,

FIG. 3 is a top view showing an example of the appearance of a two-screen display electronic display device used in the present invention,

FIG. 4 is a bottom view showing an example of the appearance of a two-screen display electronic display device used in the present invention,

FIG. 5 is a block diagram illustrating an example of an internal configuration of the electronic display device according to the first embodiment of the present invention.

FIG. 6 is a diagram showing an example of a display screen according to the first embodiment of the present invention, and is a diagram for explaining a page turning process,

FIG. 7 is a diagram showing an example of a display screen according to the first embodiment of the present invention, and is a diagram for explaining page turning processing,

FIG. 8 is a block diagram showing an example of the internal configuration of the electronic display device according to the second embodiment of the present invention.

FIG. 9 is a diagram showing an example of a display screen according to the second embodiment of the present invention, and is a diagram for explaining independent display of the same content,

FIG. 10 is a diagram illustrating an example of a display screen according to the second embodiment of the present invention, for explaining independent display of different contents. FIG. 11 is a diagram illustrating a second embodiment of the present invention. FIG. 9 is a diagram illustrating an example of a display screen according to the embodiment, and is a diagram illustrating another example of independent display of content;

FIG. 12 is a block diagram illustrating an example of an internal configuration of an electronic display device according to a third embodiment of the present invention.

FIG. 13 is a diagram showing an example of a display screen according to the third embodiment of the present invention, and a diagram showing a first example of displaying an associated portion on the other display screen,

FIG. 14 is a diagram illustrating an example of a display screen according to the third embodiment of the present invention. A second screen that displays an associated portion on the other display screen is illustrated. Figure showing an example of

FIG. 15 is a diagram illustrating an example of a display screen according to the third embodiment of the present invention, and a diagram illustrating a third example of displaying an associated portion on the other display screen,

FIG. 16 is a diagram illustrating an example of a display screen according to the third embodiment of the present invention. FIG. 16 is a diagram illustrating an example of displaying a portion associated by an association function on the other display screen.

FIG. 17 is a block diagram illustrating an example of an internal configuration of an electronic display device according to a fourth embodiment of the present invention.

FIG. 18 is a diagram illustrating an example of a display screen according to the fourth embodiment of the present invention, and illustrates a case where the display on one of the display screens is rotated by 180 °;

FIG. 19 is a diagram showing an example of a display screen according to the fourth embodiment of the present invention, and shows a case where the display on one of the display screens is rotated by 90 °, and FIG. FIG. 15 is a diagram illustrating an example of a display screen according to a fourth embodiment of the present invention.When two display screens are used vertically, the display on one of the display screens is rotated by 180 °. Diagram showing the case,

FIG. 21 is a block diagram illustrating an example of an internal configuration of an electronic display device according to a fifth embodiment of the present invention.

FIG. 22 is a diagram illustrating an example of a display screen according to the fifth embodiment of the present invention. Enlarged display processing for displaying the contents displayed on one display screen using two display screens A diagram for explaining the

FIG. 23 is a diagram illustrating an example of a display screen according to the fifth embodiment of the present invention. FIG. 23 is an enlarged view in which a part of the content displayed on one display screen is displayed using the other display screen. A diagram for explaining a first example of display processing, FIG. 24 is a diagram illustrating an example of a display screen according to the fifth embodiment of the present invention. FIG. 24 is an enlarged view in which a part of the content displayed on one display screen is displayed using the other display screen. A diagram for explaining a second example of the display processing,

FIG. 25 is a front view showing an example of the appearance of a conventional electronic book. BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, an electronic display device for displaying multiple screens and a display method thereof according to the present invention will be described with reference to the drawings. First, an example of an external appearance of a two-screen display electronic display device used in the present invention will be described. FIG. 1 is a front view showing an example of the appearance of a two-screen display electronic display device used in the present invention. FIG. 2 is a right side view showing an example of the appearance of a two-screen display electronic display device used in the present invention. FIG. 3 is a top view showing an example of the appearance of a two-screen display electronic display device used in the present invention. FIG. 4 is a bottom view showing an example of the appearance of a two-screen display electronic display device used in the present invention. It is. The electronic display device (electronic book) 1 of the two-screen display shown in FIGS. 1 to 4 has two members 3 a and 3 b in which the first display screen 2 a and the second display screen 2 b are respectively fitted. It has a hinge part 4, a rotary switch 5, an operation switch group 6, a content storage means insertion part 7, and fitting parts 8a and 8b.

It has a member 3a having one display screen of a double-page spread (in FIG. 1, a first display screen 2a on the left side) and another display screen (in FIG. 1, a second display screen 2b on the right side). The right side member 3b is connected by a central hinge part 4, and the hinge part 4 is used as a base axis so that it can be opened and closed so that it can be opened in both directions (left and right). As a result, the first display screen 2a and the second display screen 2b can be turned into a two-page spread state, and can have the same form as a normal book or magazine. When the electronic display device 1 is not used, the two display screens of the first display screen 2a and the second display screen 2b are closed so as to match, and the fitting sections 8a and 8b are used. Since the closed state can be fixed, the first display screen 2a and the second display screen 2b can be protected. For the first display screen 2a and the second display screen 2b, for example, a CRT or other information display means can be used, but in particular, a liquid crystal display means using a liquid crystal is used. Is preferred. By using the liquid crystal display means, the depth direction (thickness) of the display screen can be reduced, and the electronic display device 1 can be made portable and small.

In addition, using the turning switch 5 and the operation switch group 6 provided on the hinge part 4, the operation of turning the page Z, the rotation of the display, the enlargement of the display, the reduction of the display, the vertical display, the horizontal display, etc. Various operations such as setting the mode, setting the display mode, setting and canceling the bookmark page, and displaying the index page or bookmark page can be performed.

Further, the content storage means input unit 7 is a means for inserting a portable storage medium (content storage means) in which various contents to be displayed on the display screen are stored as electronic data. The electronic display device 1 reads out the content from the portable storage medium inserted into the content storage means input unit 7, and displays the content on the first display screen 2a and the second display screen 2b. The electronic display device 1 is provided with a non-slip 9. The anti-slip 9 makes it easier for the user to hold the electronic display device 1 and makes it harder to fatigue even if the electronic display device 1 is held for a long time. In particular, in the case of the electronic display device 1 having a two-screen display, it is preferable to provide the two members 3a and 3b with anti-slip so as to be symmetrical. In this embodiment, the case where the content is read from the portable storage medium and displayed is described. However, the content is read from the content storage means such as an embedded disc built in the electronic display device 1. This is also possible, and it is also possible to provide a content receiving means capable of communicating with the outside and receive the content from outside via an antenna or the like. Although not shown, it is also possible to provide an audio output unit such as a speaker in the electronic display device 1, and it is also possible to simultaneously output content by voice when displaying character information or image information. . Next, first to fifth embodiments according to the present invention will be described with reference to FIGS. In the embodiment of the present invention, a two-screen display electronic display device will be described. However, the present invention can be applied to a multi-screen display electronic display device having three or more display screens. First embodiment

First, a first embodiment according to the present invention will be described. In the first embodiment, an electronic display device 1 capable of performing both a page turning process and a page turning process will be described. FIG. 5 is a block diagram illustrating an example of an internal configuration of the electronic display device according to the first embodiment of the present invention. The electronic display device (electronic book, electronic book device) 1 shown in FIG. 5 includes a central processing unit (CPU: Central Processing Unit) 10, an output signal switching unit 11, and an operation switch signal input unit 12. It has the internal structure of a content readout 15 13, a first display section 14 a, a second display section 14 b, and a page turning / page switching section 15.

The central processing unit 10 is a processing unit that performs main processing related to the electronic display device 1, and is, for example, a processing unit such as a CPU. Output signal switching section 11 is a processing unit that switches between outputting an image signal to the first display unit 14a and outputting an image signal to the second display unit 14b in accordance with a predetermined instruction. It is. The operation switch signal input unit 12 is a processing unit that supplies to the central processing unit 10 a signal generated by the operation of the rotation switch 5 and the operation switch group 6 installed on the outer surface of the electronic display device 1.

The content reading unit 13 is a processing unit that reads the content stored in the portable storage medium (content storage unit) 100 inserted in the content storage unit insertion unit 7. Note that, in the present embodiment, a mode in which content is read from the portable storage medium 100 is shown, but the electronic display device 1 includes a memory such as a hard disk, and a communication unit that can be connected to a network. Electronic display device from these means

A mode in which the content is supplied to 1 is also possible.

Also, the first display section 14a and the second display section 14b electronically display information related to the content read by the content reading section 13 and processed by the central processing section 10, and the like. This is a processing unit for displaying on the first display screen 2a and the second display screen 2b of the device 1.

It should be noted that the first display section 14a is a processing section that performs processing of an image signal to be displayed on one display screen (in the case of the electronic display device 1 shown in FIG. 1, the first display screen 2a). The second display section 14b processes an image signal to be displayed on the other display screen (in the case of the electronic display device 1 shown in FIG. 1, the second display screen 2b). It is a processing unit. The electronic display device 1 shown in FIG. 1 has two display screens, a first display screen 2a and a second display screen 2b, but the electronic display device 1 has three or more display screens. In the case where the display section is provided, a display section corresponding to each display screen is provided, and the output signal switching section 11 appropriately switches the output of the image signal to each display section (display screen). What should I do? In addition, the page turning Z page feed switching unit 15 displays a signal in accordance with a signal supplied from the operation switch signal input unit (that is, a signal input by the user using the rotation switch 5 or the operation switch group 6). This is a processing unit that switches between page turning processing and page turning processing for the specified content.

Here, the page turning process and the page turning process will be described. 6 and 7 are diagrams illustrating an example of a display screen according to the first embodiment of the present invention, and are diagrams for explaining a page turning process and a page turning process.

FIG. 6 is a diagram showing an example of a display screen according to the first embodiment of the present invention, and is a diagram for explaining a page turning process. In this specification, page turning refers to two pages (N pages when there are N display screens) as one set, and the next successive set or the previous set specified in the content. It is defined as the operation of switching the display for each set.

That is, as shown in FIG. 6, for example, when the fourth page of the content is displayed on the first display screen 2a and the fifth page of the content is displayed on the second display screen 2b, the next page is displayed. When the forward page turning operation is performed, a process of displaying the sixth page of the content on the first display screen 2a and displaying the seventh page on the second display screen 2b is performed. Similarly, return to the previous page while the sixth page of the content is displayed on the first display screen 2a and the seventh page of the content is displayed on the second display screen 2b. If this is done, a process of displaying the fourth page of the content on the first display screen 2a and displaying the fifth page of the content on the second display screen 2b is performed.

By turning this page, it is possible to display a book imitating Thus, the user can browse the content with the electronic display device as if reading a book.

FIG. 7 is a diagram showing an example of a display screen according to the first embodiment of the present invention, and is a diagram for explaining a page turning process. In this specification, page turning refers to moving the display of a predetermined page that was displayed before page feed from one display screen to the other display screen, and displaying the predetermined page before page feed. It is defined as the operation to display the next or previous page specified in the content on the display screen.

That is, as shown in FIG. 7, for example, in a state where the fourth page of the content is displayed on the first display screen 2a and the fifth page of the content is displayed on the second display screen 2b, the next page is displayed. When the next page advance operation is performed, a process of displaying the fifth page of the content on the first display screen 2a and displaying the sixth page of the content on the second display screen 2b is performed. Similarly, when page 5 of the content is displayed on the first display screen 2a and page 6 of the content is displayed on the second display screen 2b, a page feed operation for returning to the previous page is performed. If the processing has been performed, processing is performed to display the fourth page of the content on the first display screen 2 and the fifth page on the second display screen 2b. By this page feed, in the case of a book, pages that are printed on the front and back of the paper and cannot be viewed at the same time (the electronic display device 1 that can only perform page turning processing can view at the same time) Impossible pages) can be displayed simultaneously. Also, when an arbitrary page is displayed, it is possible to simultaneously display the arbitrary page and the previous and next pages.

In particular, for example, if an explanatory diagram or photo related to the currently open facing page appears on the surrounding facing pages, one sentence When chapters (especially in the case of long sentences) are described on both sides of the paper, or when maps etc. are drawn continuously over several pages, it is easy to see by using page feed. Content can be displayed.

Next, an example of the operation according to the first embodiment will be described. First, the electronic display device 1 reads out the content specified by the user and performs a predetermined display relating to the content. Further, the electronic display device 1 associates a signal supplied from the rotation switch 5 or the operation switch group 6 with an instruction for setting either the page turning or the page turning, and turns the page from the user. Wait for instructions to set page feed. At this time, for example, a display on the display screen indicating what operation enables page turning or page turning setting (for example, by pressing any operation button, the page turning or page turning is performed). Display indicating whether or not the setting is performed).

When the user uses the rotary switch 5 or the operation switch group 6 to input either the page turning setting or the page turning setting, the operation switch signal input unit 12 turns the page turning / page turning switching unit 1 In step 5, a signal is supplied to instruct either the flip-over or the page feed. On the basis of a signal instructing this setting, the page-turning Z-page feed switching unit 15 performs setting of a predetermined operation unit (a rotary switch 5 and a group of operation switches 6).

That is, when a signal for instructing page turning is supplied, the page turning Z page turning switching unit 15 sets a predetermined operation unit as a page turning operation unit and instructs page turning setting. When a signal is supplied, a predetermined operation button is set as a page-turning operation unit. As a result, when the user instructs the page turning setting, In this case, the predetermined operation unit functions as a page-turning operation unit, and when a page-turn setting is instructed, the predetermined operation unit functions as a page-turning operation unit.

When the user operates the operation unit for turning pages or the operation unit for turning pages, a signal for instructing to turn pages or turn pages is supplied to the central processing unit 10 via the operation switch signal input unit 12. Is done. The central processing unit 10 generates an image signal corresponding to the page turning or page turning display screen described above in accordance with the signal for instructing page turning or page turning, and outputs the image signal to the output signal switching unit 11. Supply. The output signal switching section 11 is provided with a first display section 14a and a second display section 14b corresponding to the first display screen 2a and the second display screen 2b, respectively. The first display unit 14a and the second display unit 14b perform a process of displaying these image signals on a display screen, appropriately switching and outputting the image signals. As described above, according to the first embodiment, the user can selectively use page turning or page turning. In addition, the electronic display device 1 can perform a page turning or page turning display according to the selected setting. In the above-described embodiment, the mode in which either the page turning or the page turning is selected by the user has been described. However, even if the setting is not changed, it is possible to perform both the page turning and the page turning. It is also possible to perform operations. That is, for example, it is possible to turn a page by operating a predetermined operation button of the operation switch group 6, and to enable turning of a page by operating the rotary switch 5. It is. Second embodiment Next, a second embodiment according to the present invention will be described. In the second embodiment, an electronic display device 1 capable of performing completely independent display and operation on two display screens will be described. The electronic display device 1 uses two display screens, a first display screen 2a and a second display screen 2b, to display portions that are not associated with each other, so that they can be operated independently. In other words, different contents of the same content or different contents are displayed using two display screens, and each display screen can be operated. In this specification, a location that is not related to each other refers to a location where links or other functions are not used and one location cannot refer to the other location. I do.

FIG. 8 is a block diagram showing an example of an internal configuration of the electronic display device according to the second embodiment of the present invention. The electronic display device (e-book, electronic book device) 1 shown in FIG. 8 includes a central processing unit (CPU) 10, an output signal switching unit 11, an operation switch signal input unit 12, a content reading unit 13, It has an internal configuration of a first display unit 14 a, a second display unit 14 b, and a display screen designation determination unit 16.

The display screen designation judging section 16 outputs the first display section 1 when the operation related to the first display screen 2a is input to the central processing section 10 via the operation switch signal input section. 4 The output signal switching unit 11 is controlled so that the image signal is supplied only to the terminal a, and the operation related to the second display screen 2b is input to the central processing unit 10 via the operation switch signal input unit. If this is the case, the processing unit controls the output signal switching unit 11 so that the image signal is supplied only to the second display unit 14b. The operation on the first display screen 2a is reflected only on the first display screen 2a, and the operation on the second display screen 2b is Only reflected on the display screen It is possible to do so. The other processing units are the same as those shown in FIG. 5, and thus description thereof is omitted.

Next, an example of an operation according to the second embodiment will be described. First, the electronic display device 1 reads out the content specified by the user and performs a predetermined display relating to the content. Further, the electronic display device 1 associates signals supplied from the rotation switch 5 and the operation switch group 6 with setting instructions for enabling the respective displays on the two display screens to be independently operated. Waits for an instruction from the user for independent setting of the two display screens. At this time, for example, a display on the display screen indicating what operation enables independent setting of the two display screens (for example, by pressing any operation button, the independent display of the two display screens can be performed) Display indicating whether the settings are made).

When the user inputs the independent setting of two display screens using the rotary switch 5 and the operation switch group 6, the two display screens are input from the operation switch signal input unit 12 to the display screen designation judgment unit 16 A signal is supplied to indicate the independent setting of. Based on the signal instructing this setting, the display screen designation judging section 16 sets the predetermined operation section (rotating switch 5 and operation switch group 6) so that the two display screens can be operated independently. The output signal switching unit 11 is controlled so that the two display screens can display the content independently.

FIG. 9 to FIG. 11 are diagrams illustrating an example of the display screen according to the second embodiment of the present invention, and are diagrams for describing the independent setting of the two display screens.

FIG. 9 is a diagram illustrating an example of a display screen according to the second embodiment of the present invention, and is a diagram for describing independent display of the same content. In Figure 9, as an example, the third page of the same content (content A) The case where the 15th page and the fifth page are simultaneously displayed on different display screens is illustrated.

Thus, according to the second embodiment, the same or different pages of the same content can be displayed on two display screens. In addition, the displays on the two display screens are independent of each other, and it is also possible to perform operations such as page-turning on each display screen independently. Preferable modes of displaying different pages of the same content on the respective display screens include, for example, displaying simultaneously a read page and a currently read page in the same content, a cover, a bibliography, Reading the main text while referring to the prologue, epilogue, table of contents, list of characters, drawings, etc. In some cases, the cover, bibliography, prologue, epilogue, table of contents, list of characters, drawings, etc. may be associated with the text (specified information is embedded). An embodiment will be described.

FIG. 10 is a diagram illustrating an example of a display screen according to the second embodiment of the present invention, and is a diagram for describing independent display of different contents. As an example, FIG. 10 illustrates a case where the 16th page of content A and the 7th page of content (content B) different from content A are simultaneously displayed on different display screens. I have.

As described above, according to the second embodiment, different contents can be displayed on two display screens. In addition, the displays on the two display screens are independent of each other, and it is also possible to perform operations such as page feed on each display screen independently. Preferable modes of displaying different contents on each display screen include, for example, when displaying differently read contents, a foreign language sentence and When reading the translated text at the same time, when reading Japanese or foreign languages while referring to the dictionary, when reading different contents of the same author at the same time, when reading while displaying personal data such as schedules, words There are cases where a book and content are displayed at the same time and study is performed between readings, or where reading is performed while selecting and displaying an arbitrary last from an art book according to mood. Read the text. FIG. 11 is a diagram illustrating an example of a display screen according to the second embodiment of the present invention, and is a diagram illustrating another example of independent display of content. FIG. 11 illustrates, as an example, a case where the fifth page of the content C and the clock are simultaneously displayed on different display screens.

In this way, the content is displayed on one display screen, and the display other than the content is displayed on the other display screen (for example, a clock display by a timekeeping function of an electronic display device, a remaining capacity display of a portable storage medium, advertisement information Etc.) can also be performed.

As described above, according to the second embodiment, it is possible to independently display the same or different content on two display screens. Independent operations can be performed on the displayed content. Third embodiment

Next, a third embodiment according to the present invention will be described. In the third embodiment, an electronic display device capable of displaying, on two display screens, a location associated with a location displayed on one display screen on the other display screen 1 will be described. In this specification, an associated location is an arbitrary location, such as a link. It refers to locations that can be referenced and that are linked by linking functions such as search and dictionary functions.

FIG. 12 is a block diagram showing an example of the internal configuration of the electronic display device according to the third embodiment of the present invention. The electronic display device (electronic book, electronic book device) 1 shown in FIG. 12 includes a central processing unit (CPU) 10, an output signal switching unit 11, an operation switch signal input unit 12, and a content reading unit 1. 3. It has an internal configuration of a first display section 14a, a second display section 14b, and a designated information determination section 17.

The designated information determination unit 17 is configured to display designation information of a designated portion related to a predetermined portion of the content, and to indicate whether to display the first display screen 2a or the second display screen 2b. When processing related to screen designation information, etc. is performed, the output signal switching unit 11 sends the image to the first display unit 14a or the second display unit 14b according to the designated information. This is a processing unit that performs signal output control. The other processing units are the same as those shown in FIG. 5, and the description is omitted.

Next, an example of the operation according to the third embodiment will be described. The electronic display device 1 reads the content specified by the user and performs a predetermined display related to the content. On the other hand, it is possible to embed, in advance, in a predetermined portion of the content, designation information for designating another portion in relation to predetermined character information or image information to be displayed.

Then, when displaying the location where the specification information of the content is embedded, the electronic display device 1 displays the content so that the specification information is embedded. For example, it is possible to determine on the display screen that the specified information is embedded by adding an underline or a frame line to the portion where the specified information is embedded, or by changing the font or color. Also, when the specified information is selected, the display is displayed using either display screen. It is also possible to embed information specifying whether to perform the operation (that is, information for specifying a display screen to be displayed) in the specified information.

When the user operates the rotary switch 5 or the operation switch group 6 to select a location where the specified information is embedded, the selection signal is sent to the central processing unit via the operation switch signal input unit 12. Supplied to 10. The central processing unit 10 generates an image signal corresponding to the display screen at the location designated by the designated information, and supplies it to the output signal switching unit 11. In addition, the designated information judging section 17 judges a display screen to be a target when the designated information is selected, and outputs the first display section 14 a or the second display section 14 to the output signal switching section 11. Of the display section 14b to be supplied with the image signal. Then, under the control of the designated information judging section 17, one of the display sections receives the image signal, and displays the portion designated by the designated information on the corresponding display screen.

In the above operation, the specified information is embedded in a predetermined part of the content in advance, and the predetermined part is associated with another part in advance (hereinafter, such an association is called a static association). It is assumed that Then, when a predetermined location displayed on one display screen is selected, another location specified by the specified information of the predetermined location can be displayed on the other display screen. .

However, a predetermined location of the content is not associated with another location in advance, and the association by a predetermined application (hereinafter, such an association is referred to as a dynamic association) can be performed. It is. This dynamic association differs from the static association in that the specified information is not embedded in the content in advance. For example, when a predetermined location displayed on one display screen is selected, a location having an association function such as a search function and a dictionary function is selected. By performing the association dynamically (in real time) using a predetermined application, it is possible to display the result of the association on the other display screen.

FIGS. 13 to 16 are diagrams showing an example of a display screen according to the third embodiment of the present invention, in which another part associated with a part on one display screen is displayed on the other display screen. It is a figure for explaining a mode displayed above. FIG. 13 is a diagram illustrating an example of a display screen according to the third embodiment of the present invention, and is a diagram illustrating a first example of displaying an associated portion on the other display screen. FIG. 13 illustrates a case where a table of contents is displayed on one display screen and a page corresponding to the selected item is displayed on the other display screen. In the table of contents shown in Fig. 13, specified information is embedded in each item (for example, the first page of each chapter) and a link is attached. For example, when a user selects a predetermined item (Chapter 2 is selected), the page corresponding to the link (the first page of Chapter 2) is displayed on the other display screen. FIG. 14 is a diagram illustrating an example of a display screen according to the third embodiment of the present invention. FIG. 14 is a diagram illustrating a second example of displaying an associated portion on the other display screen. It is. In FIG. 14, a list of contents stored in the portable storage medium 100 is displayed on one display screen, and a text of the selected content is displayed on the other display screen. Case is shown. In the list of contents displayed in Fig. 14, the specified information is embedded in the display that identifies each content (image corresponding to each content), and a link is attached. For example, when a predetermined content is selected by the user (content B is selected), the first page of the content (the top page of content B) is displayed on the other display screen. FIG. 15 is a diagram illustrating an example of a display screen according to the third embodiment of the present invention. FIG. 15 is a diagram illustrating a third example of displaying an associated portion on the other display screen. It is. Figure 15 shows a case where a part of a question such as a collection of questions is displayed on one of the display screens, and an answer or commentary on the selected question is displayed on the other screen. I have. In the problem part shown in Fig. 15 as well, the designated information corresponding to the answer and the explanation part is embedded, and a link is attached. For example, if the part of question 1 is selected by the user, the answer and the explanation part of question 1 are displayed on the other display screen. In this case, the content in the problem part and the content in the answer and commentary part can be the same content, or can be different from each other. When the contents are different from each other, it is necessary that information for specifying which content is to be read is described as the specification information.

Also, although not shown, similar to the examples shown in FIGS. 13 to 15 described above, preferred examples of applications for displaying information on which static association is performed include, for example, the following references. Examples include displaying reference numbers and their references, and displaying a list of addresses and a map showing their locations.

As described above, according to the third embodiment, the location specified by the specification information embedded in the display location displayed on one display screen (the location where static association is performed) is defined. , Can be displayed on the other display screen. Note that the command displayed on one of the display screens

The content displayed on the other display screen is the same

It is also possible that the contents are different from each other.

FIG. 16 shows an example of a display screen according to the third embodiment of the present invention. FIG. 13 is a diagram illustrating an example of displaying a portion associated by an association function on the other display screen. In Fig. 16, part of the document (word efg) displayed on one display screen is selected, and part of the selected document is associated on the other screen by the association function (dictionary function). Is displayed. Part of the document (word efg) shown in Fig. 16 does not have the specified information embedded in advance. However, with the dictionary function, for example, a dictionary is read out, and parts that explain the pronunciation and meaning of a part of the document (word efg) are dynamically linked and displayed on the other display screen. Is done. Although not shown in the figure, similar to the example shown in FIG. 16 described above, a preferred mode of use for displaying information that is dynamically associated is, for example, a list of contents of the same genre. There is a search function that displays information related to the selected wording, such as a list of contents of the same author and a list of books of the same period.

Thus, according to the third embodiment, the display location displayed on one display screen is dynamically associated with the same content or a different content location by the predetermined association function. Thus, it is possible to display the dynamically associated portion on the other display screen.

As described above, according to the third embodiment, according to the selection of the display location on one of the display screens, the designation information specified for the selected location is displayed on the other display screen. Also, it is possible to display information and the like associated with an arbitrary portion by the association function. Fourth embodiment

Next, a fourth embodiment according to the present invention will be described. This fourth In this embodiment, an electronic display device 1 capable of rotating and displaying one of two display screens by a predetermined angle (for example, 180 °) will be described.

FIG. 17 is a block diagram illustrating an example of an internal configuration of the electronic display device according to the fourth embodiment of the present invention. The electronic display device (electronic book, electronic book device) 1 shown in FIG. 17 includes a central processing unit (CPU) 10, an output signal switching unit 11, an operation switch signal input unit 12, and a content reading unit 1. 3. It has an internal configuration of a first display unit 14a, a second display unit 14b, and a display rotation unit 18.

The display rotating section 18 changes the display on the first display section 14a and Z or the second display section 14b by a predetermined angle with respect to the image signal supplied from the output signal switching section 11. This is a processing unit that can be rotated. That is, when the display rotating unit 18 processes the image signal and displays the image signal on the display screen, the display screen is rotated by a predetermined angle. The other processing units are the same as those shown in FIG. 5, and thus description thereof is omitted.

Next, an example of an operation according to the fourth embodiment will be described. First, the electronic display device 1 reads out the content specified by the user and performs a predetermined display relating to the content. Further, the electronic display device 1 associates a signal supplied from the rotation switch 5 or the operation switch group 6 with an instruction to set the rotation display, and waits for an instruction to set the rotation display from the user. . At this time, for example, on the display screen, a display indicating what operation enables setting of the rotation display (for example, indicating which operation button is pressed to set the rotation display) Display) and a display that allows the user to instruct how much the rotation angle should be set. Also, simply, for example, only one display screen can be rotated 180 ° It is also possible to keep it.

When the user inputs the setting of the rotation display using the rotation switch 5 and the operation switch group 6, a signal for instructing the setting of the rotation display from the operation switch signal input unit 12 to the display rotation unit 18 is provided. Is supplied. On the basis of a signal indicating this setting, the rotation display section 18 sets a predetermined angle (for example, 18) with respect to the image signal supplied from the output signal switching section 11 and corresponding to the display screen to be rotated and displayed. Perform rotation processing so that rotation display is possible only by 0 °), and output an image signal to the corresponding display unit appropriately. This makes it possible to rotate and display one or both display screens. Note that the angle at the time of rotation display can be set to an arbitrary value. FIGS. 18 to 20 are diagrams illustrating an example of the display screen according to the fourth embodiment of the present invention, and are diagrams for explaining rotation of the display on the display screen.

FIG. 18 is a diagram illustrating an example of a display screen according to the fourth embodiment of the present invention, and is a diagram illustrating a case where the display on one display screen is rotated by 180 °. FIG. 19 is a diagram illustrating an example of a display screen according to the fourth embodiment of the present invention, and is a diagram illustrating a case where the display on one display screen is rotated by 90 °. FIG. 20 is a diagram showing an example of a display screen according to the fourth embodiment of the present invention. When two display screens are used vertically, the display on one of the display screens is changed to one. FIG. 9 is a diagram showing a case where the camera is rotated by 80 °. Note that in FIG. 19, the display screen rotated 90 ° is reduced so that the entire display screen is displayed, but it is also possible to display the image at the same scale without reduction. . Also, the content displayed on the two display screens can use the same content, or can use different content from each other.

As described above, according to the fourth embodiment, the images displayed on the two display screens are displayed. It is possible to set the direction of the content to be independently set. In particular, the rotation angle is 90 ° when browsing the content together with the user lying beside, and the rotation angle is 180 when browsing the content together with the facing user (opposite user). It is preferable that

As a preferable mode of using the rotation of the display, for example, when two people look at one menu face-to-face in a coffee shop, when viewing a recipe across a table in a cooking class, etc. If you read the explanation and give the explanation to the customer, show the children the illustration while showing the illustration to the child (such as a picture-story show), see the map face-to-face, Students and teachers can learn and answer the questions and answers / explanation while studying and teaching, or two people can read the same or different content from different directions at their own speed.

As described above, according to the fourth embodiment, for example, when a plurality of users display the electronic display device differently, for example, when a person watching the electronic display device is facing the user. When browsing from an angle, each user can set his or her best viewing angle and browse. Fifth embodiment

Next, a fifth embodiment according to the present invention will be described. In the fifth embodiment, an electronic display device 1 capable of enlarging a display screen will be described. FIG. 21 is a block diagram illustrating an example of the internal configuration of the electronic display device according to the fifth embodiment of the present invention. The electronic display device (e-book, e-book device) 1 shown in FIG. Control unit (CPU) 10, output signal switching unit 11, operation switch signal input unit 12, content readout unit 13, first display unit 14a, second display unit 14b, enlarged display switching The section 19 has the internal configuration of the enlarged display image signal extraction section 20.

The enlarged display switching section 19 is configured to display the content displayed in response to a signal supplied from the operation switch signal input section 12 (that is, a signal input by the user using the rotation switch 5 and the operation switch group 6). Is a processing unit that switches between normal display processing and enlarged display processing. In addition, when performing the enlarged display processing, the enlarged display image signal extraction unit 20 extracts an image signal of a portion to be enlarged and displayed, and supplies the enlarged image signal to the output signal switching unit 11. It is. The other processing units are the same as those shown in FIG. 5, and thus description thereof is omitted.

Next, an example of the operation according to the fifth embodiment will be described. First, the electronic display device 1 reads out the content specified by the user and performs a predetermined display relating to the content. Further, the electronic display device 1 associates a signal supplied from the rotation switch 5 or the operation switch group 6 with an instruction to set an enlarged display, and waits for an instruction to set the enlarged display from the user. . At this time, for example, on the display screen, a display indicating what operation enables the setting of the enlarged display (for example, indicating which operation button is pressed to set the enlarged display) Display).

When the user inputs the setting of the enlarged display using the rotary switch 5 and the operation switch group 6, a signal for instructing the enlarged display switching section 19 from the operation switch signal input section 12 to set the enlarged display. Is supplied. Based on the signal instructing this setting, the enlarged display switching section 19 causes the enlarged display image signal extraction section 20 to extract an image signal corresponding to a predetermined display portion. An instruction is issued, and the enlarged display image signal extraction unit 20 extracts an image signal corresponding to a predetermined display portion, and supplies the extracted image signal to the output signal switching unit 11. The output signal switching unit 11 appropriately outputs an image signal to the first display unit 14a and the second display unit 14b according to the instruction of the image signal extraction unit 20 for enlarged display, Thereby, the enlarged image is displayed on the display screen. In addition, the selection of the display portion for the enlarged display and the designation of the enlargement ratio can be set at an arbitrary position and an arbitrary enlargement ratio.

FIG. 22 is a diagram illustrating an example of a display screen according to the fifth embodiment of the present invention. Enlarged display processing for displaying the contents displayed on one display screen using two display screens FIG. As shown in FIG. 22, it is possible to use two display screens to enlarge and display the content displayed on one of the display screens. In the enlarged display, it is preferable to arbitrarily adjust the center of the image displayed over the two display screens and display the enlarged display for easy viewing.

FIGS. 23 and 24 are diagrams showing an example of a display screen according to the fifth embodiment of the present invention. Part of the content displayed on one display screen is shown in the other display screen. FIG. 7 is a diagram for explaining an enlarged display process for displaying by using the following. As shown in FIGS. 23 and 24, it is also possible to enlarge and display a part of the contents displayed on one display screen on the other display screen.

The enlarged display processing shown in FIGS. 23 and 24 can also be described as using the enlargement processing function in the “associated display” described in the third embodiment. Preferable modes for performing this enlarged display processing include, for example, reading an enlarged display when eyes become tired, viewing images such as a map by a plurality of people at the same time, the elderly, and visual acuity. For example, when a weak person watches. In addition, it is also possible to perform an enlarged display process other than the example of the enlarged display process shown in FIGS. 22 to 24. It is also possible to allow the user to select one of these multiple types of enlarged display processing at the same time as inputting the enlarged display setting.

As described above, according to the fifth embodiment, it is possible to perform enlarged display of content by utilizing the feature of a two-screen display electronic display device having two display screens. Become.

In the above-described first to fifth embodiments, as an example, the present invention provides a page turning / page feed switching unit 15, a display screen designation determining unit 16, and a designation information determining unit 17. Although the embodiments realized by hardware such as the display rotation unit 18, the enlarged display switching unit 19, and the enlarged display image signal extraction unit 20 have been described, programs that can be executed by the central processing unit 10 are described. It is also possible to realize the present invention by using the above software. Industrial applicability

As described above, according to the present invention, when a predetermined page of a predetermined content is displayed on a predetermined display screen, the next page and the previous page of the predetermined page are selected on another display screen. Since the information can be displayed in a specific manner, it is possible to perform page turning or page turning utilizing the features of the multi-screen display according to the selected setting.

Claims

Range of request

1. A multi-screen electronic display device that displays content using a plurality of display screens,

When a predetermined page of predetermined content is displayed on a predetermined display screen, it is possible to selectively display a next page and a previous page of the predetermined page on a display screen different from the predetermined display screen. An electronic display device configured to display multiple screens.

2. A multi-screen electronic display device for displaying content using a plurality of display screens,

A location of the predetermined content that is not related to a predetermined location of the predetermined content displayed on the predetermined display screen, or the predetermined content that is not related to a predetermined location of the predetermined content displayed on the predetermined display screen An electronic display device having a multi-screen display configured to be able to display a portion of content different from the content on a display screen different from the predetermined display screen.

3. A multi-screen electronic display device for displaying content using a plurality of display screens,

A location of the predetermined content associated with a predetermined location of the predetermined content displayed on the predetermined display screen, or a location associated with the predetermined location of the predetermined content displayed on the predetermined display screen. An electronic display device of a multi-screen display configured to display a portion of content different from predetermined content on a display screen different from the predetermined display screen.

4. A multi-screen electronic display device that displays content using a plurality of display screens,

Displaying a predetermined portion of a predetermined content on a predetermined display screen with respect to a predetermined reference direction, and displaying on a display screen different from the predetermined display screen a direction different from the predetermined reference direction; Electronic display of a multi-screen display configured to be able to display a predetermined portion of the predetermined content or a predetermined portion of content different from the predetermined content

5. A multi-screen electronic display device for displaying content using a plurality of display screens,

A multi-screen electronic display device configured to be able to enlarge and display a display on a predetermined display screen using the plurality of display screens.

6. A multi-screen electronic display device that displays content using a plurality of display screens,

An electronic display device having a multi-screen display configured to be able to use a predetermined display screen to enlarge and display a portion included in a display on a display screen different from the predetermined display screen.

7. A display method for a multi-screen electronic display device that displays content using a plurality of display screens,

A step of selectively displaying a next page and a previous page of the predetermined page on a display screen different from the predetermined display screen when a predetermined page of predetermined content is displayed on the predetermined display screen. Having multiple strokes A display method of an electronic display device for surface display.

8. A display method for a multi-screen electronic display device that displays content using a plurality of display screens,

A portion of the predetermined content that is not related to a predetermined portion of the predetermined content displayed on the predetermined display screen, or the predetermined portion that is not related to a predetermined portion of the predetermined content displayed on the predetermined display screen. A method for displaying a multi-screen electronic display device, comprising the step of displaying a portion of content different from the above-mentioned content on a display screen different from the predetermined display screen.

9. A display method for a multi-screen electronic display device that displays content using a plurality of display screens,

A location of the predetermined content associated with a predetermined location of the predetermined content displayed on the predetermined display screen, or the location associated with the predetermined location of the predetermined content displayed on the predetermined display screen A display method for a multi-screen electronic display device having a step of displaying a portion of content different from predetermined content on a display screen different from the predetermined display screen.

10. A display method for a multi-screen electronic display device that displays content using a plurality of display screens,

A step of displaying a predetermined portion of predetermined content with respect to a predetermined reference direction on a predetermined display screen;

On a display screen different from the predetermined display screen, a predetermined location of the predetermined content or the predetermined content in a direction different from the predetermined reference direction. A step of displaying a predetermined portion of the content different from the predetermined content,

Display method for a multi-screen display electronic display device having the same.

11. A display method for a multi-screen electronic display device that displays content using a plurality of display screens,

A display method for a multi-screen electronic display device having a step of enlarging a display on a predetermined display screen using the plurality of display screens.

12. A display method for a multi-screen electronic display device that displays content using a plurality of display screens,

A display method for a multi-screen electronic display device having a step of enlarging and displaying a part included in a display on a display screen different from the predetermined display screen using the predetermined display screen.