JPH1173421A - Display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable an observer to enjoy a feeling of turning the pages of a virtual book and to facilitate the handling of the book without an increase in its thickness even if the book contains much character information, etc., by projecting the character information, etc., on the virtual book by a control means through a display means. SOLUTION: When the observer 11 inserts a desired storage means 1 into the insertion slot 36 of a main body 34 and presses the start button, respective components are powered on. A read means reads the character information, etc., out of the storage means 1 and the character information, etc., is inputted to a central arithmetic processing part. The control means outputs the character information, etc., to the small-sized CRT 21 of a display means 19. The small- sized CRT 21 converts the character information into image information 24, which is refracted by a half-mirror 22 and projected on pages 12a and 12b of the virtual book 5. Then the observer 11 can read the character information 25 projected on the virtual book 5 with the eyes 37 and enjoy a feeling of reading an actual book.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device for projecting character information and the like onto a virtual book.

[0002]

2. Description of the Related Art A conventional display device is disclosed in, for example, Japanese Patent Application Laid-Open No. 7-29.
No. 6007. According to this publication, an image signal is supplied from a host computer such as a personal computer,
The display means displays character information and the like based on the image signal. The character information and the like are switched by an operator's key input.

[0003]

On the other hand, when a user reads a book or the like, the user turns pages one by one, obtains new character information, and turns pages made of paper by hand. , And a comfortable touch is obtained. However, in books with a lot of text information,
There is a first disadvantage, which is thick and difficult to handle. On the other hand, the above-described conventional display device has a second drawback in that a comfortable tactile sensation of turning a page of a book by hand cannot be obtained.

Further, the conventional display device has a third disadvantage that it takes a relatively long time to switch the character information of the display means, and the page cannot be turned in a short time like a book. Therefore, the present invention takes into consideration such drawbacks of the conventional product, and provides a comfortable tactile sense of turning a page of a book by hand, and is easy to handle even with a large amount of text information, etc. An apparatus is provided.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides storage means, reading means for reading character information and the like in the storage means, and a virtual book in which characters and the like are not written.
The display device includes a display unit and a control unit, and the control unit projects character information or the like onto a virtual book via the display unit.

Preferably, a page turning sensor for detecting a page turning of a virtual book is provided, and character information or the like is switched according to the detection of the page turning sensor.

Preferably, an input pen and a tablet are provided, and a mark, an underline, an index, a memo, or the like can be input into a virtual book. By operating the input pen, character search or page designation or page turning or index tabulation is selected. This is a configuration that can be performed.

Preferably, the memo and the character information of the virtual book are combined and stored, and the memo can be moved along with the movement of the layout change of the character information and the like.

Preferably, a microphone and a voice recognition unit are provided,
According to a voice input to the microphone, page designation or page turning is performed in the virtual book.

Preferably, a plurality of pieces of character information having different resolutions are recorded in the storage means, and character information having a specific resolution is selected according to the detection speed of the page turning sensor.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A display device according to an embodiment of the present invention will be described below with reference to a perspective view of FIG. 1 and an electric block diagram of FIG. In these figures, the storage means 1 is, for example, a DV.
A D-RAM, which is a recording medium on which writing and reading can be performed. The storage unit 1 stores, for example, character information such as text printed on a book or the like.

The reading means 2 has a built-in optical pickup or the like, and is configured so that character information and the like in the storage means 1 can be read, and character information and the like can be written in the storage means 1. ing. The character information and the like output from the reading means 2 are input to a central processing unit (CPU) 4 via a DVD interface circuit 3.

In the virtual book 5, for example, characters are written (printed).
Book that has not been printed and has multiple blank pages (no printed characters)
Is spelled out. A support section 6 is provided at an upper end of the virtual book 5, and a light emitting element 7 (for example, formed of a light emitting diode) is disposed on an inner surface of the support section 6. A support 8 is provided at the lower end of the virtual book 5, and a light receiving element 9 (for example, a phototransistor or the like) is arranged on the inner surface of the support 8.

The light emitting element 7 and the light receiving element 9 constitute a page turning sensor 10. When the observer 11 turns a desired page 12 a of the virtual book 5, the page turning sensor 10 is turned on.
Is provided so as to detect page turning and perform a predetermined output. The output (analog value) of the page turning sensor 10 is converted into a digital value by the page turning interface circuit 13 and input to the central processing unit 4.

The tablet 14 is arranged below the virtual book 5 and is configured to be able to move up and down with respect to the virtual book 5. By pressing the input pen 15 on the tablet 14, the observer 11 can input a desired drawing image. That is,
The pen input interface circuit 16 converts the point pressed by the input pen 15 on the tablet 14 into X and Y coordinates, and the character is recognized by the character recognition unit 17, and the drawing information is sent to the central processing unit 4 via the bus 18. input.

The display means 19 comprises, for example, a see-through type head mountain display, and comprises a helmet 20, a small CRT 21, a half mirror 22, and the like. The helmet 20 is put on the head of the observer 11.
The small CRT 21 is mounted in front of the helmet 20,
The central processing unit 4 outputs character information and the like to the small CRT 21 of the display means 19 via the display means interface circuit 23. The small CRT 21 converts character information and the like into image information (light) 24, and the image information 24 is converted into a half mirror 22.
And projected on the pages 12a and 12b on the virtual book 5. The character information 25 projected in this manner is
a, 12b.

The other end of the microphone 26 is fixed to the helmet 20 so that the microphone 26 is located near the mouth of the observer 11, and the output (analog value) of the microphone 26 is converted into a digital value by the voice input interface circuit 27. Is input to the central processing unit 4 via the voice recognition unit 28.

The ROM 29, the RAM 30, and the hard disk 31 are connected to the bus 18, and these ROM 29 and RA
The control means 32 is constituted by the M30, the hard disk 31, the central processing unit 4, and the like. The ROM 29 stores a control program of the control unit 32. The mouse 33 is connected to the bus 18. These control means 3
A main body 34 is provided so as to cover the reading unit 2, the reading means 2, the character recognition unit 17, the voice recognition unit 28, and the interface circuits 3, 13, 16, 23, 27. The display device 35 is configured by these components.

Next, the operation of the display device 35 will be described with reference to FIGS.
It will be described according to the following. First, when the observer 11 inserts the desired storage means 1 into the insertion hole 36 of the main body 34 and presses a start button (not shown), each component is energized. The reading means 2 reads the character information and the like stored in the storage means 1 and inputs the character information and the like to the central processing unit 4 via the DVD interface circuit 3.

The control means 32 displays character information and the like in accordance with the program in the ROM 29,
Is output to the small CRT 21 of the display means 19 via the.
The small CRT 21 converts the character information into image information 24, which is refracted by the half mirror 22, and
It is projected on the upper pages 12a and 12b. As described above, the present invention is characterized in that the control means 32 projects character information and the like onto the virtual book 5 via the display means 19. Then, the eyes 37 of the observer 11 can read the character information 25 projected on the virtual book 5 through the half mirror 22, and enjoy the feeling of reading a real book.

When the observer 11 turns the page 12b of the virtual book 5, the page turning sensor 10 detects (outputs an analog value), converts the analog value into a digital value by the page turning interface circuit 13, and outputs the digital value. Enter The central processing unit 4 uses a predetermined program to execute
The character information of the next page is read from the storage means 1 via the reading means 2. The character information of the next page is projected on the pages 12a and 12b via the display means 19 and the like. In this way, every time the observer 11 turns the page 12b, the character information and the like on the virtual book 5 are switched, so that it is possible to enjoy the feeling of reading an actual book.

When the observer 11 utters, for example, "46" toward the microphone 26, the voice "46" is transmitted via the microphone 26, the voice input interface circuit 27 and the voice recognition unit 28 to the central processing unit 4 Enter The central processing unit 4 reads out the character information and the like of the 46th page from the storage means 1 via the reading means 2 according to a predetermined program. Then, the character information of the 46th page and the like are displayed
9 on the page 12b. As described above, the page can be designated in the virtual book 5 according to the voice input to the microphone 26.

Similarly, when the observer 11 utters a sound such as "next" or "previous" toward the microphone 26, the page 1 is automatically set.
2b can advance to the next page or return to the previous page.
Also, when the observer utters a sound “periper” or “stop” toward the microphone 26, the page 12b is turned or stopped one after another. In this manner, the page can be turned in the virtual book 5 according to the voice input to the microphone 26.

When the observer 11 positions the pointer 38 on the desired projected character information 25, clicks the mouse 33, and presses a “mark” button (not shown) on the tablet 14 with the input pen 15. The “mark designation signal” is input to the central processing unit 4 via the pen input interface circuit 16 and the character recognition unit 17. Central processing unit 4
Inputs a "mark designation signal" to the storage means 1 via the reading means 2 according to a predetermined program. At the same time, the "mark designation signal" is stored in the storage means 1 and the read means 2
And output via the central processing unit 4 and the display means 19,
A “mark” 38a (a specific light color or the like is painted) is placed on the character information 25 of the page 12b.

Similarly, when the observer 11 presses an "underline" or "index" button (neither is shown) on the tablet 14, an underline is displayed below the character information 25 on the page 12b, Alternatively, the index 39a is displayed as if it were drawn at the upper end of the page 12b, and such information is stored in the storage means 1.

Also, the observer 11 positions the pointer 38 on a margin near the desired projected character information 25, clicks the mouse 33, writes a desired memo on the tablet 14 with the input pen 15, A “memo” button (not shown) is pressed with the input pen 15. As a result, in the virtual book 5, "memo" is displayed in the margin, and the content of the "memo" is stored in the storage means 1 together with the character information 25. Also, if necessary, the contents of the "memo" are index 3
9a or the like.

Then, the observer 11 sets the character information 2 on the page 12b.
In FIG. 5, for example, the character "Internet" is traced with the input pen 15 and the "Search" button (not shown) on the tablet 14 is pressed, and the page including the character "Internet" is automatically turned over and displayed. .

The observer 11 writes, for example, “46” on the tablet 14 with the input pen 15 and
4 is pressed, the signal of "46" is sent to the pen input interface circuit 16 and the character recognition unit 17
To the central processing unit 4 via The central processing unit 4 projects the character information of the 46th page from the storage unit 1 via the reading unit 2 to the page 12b via the display unit 19 or the like according to a predetermined program. In this way, pages can be automatically specified.

As described above, the indexes 39a and 39b are marked on a plurality of pages. When the observer positions the pointer 38 on the index 39b and clicks the mouse, the page corresponding to the index 39b is automatically displayed. Open to select an index. Thus, input pen 1
5 and a tablet 14, a mark, an underline, an index, a memo, or the like can be input to the virtual book 5, and a character search or page designation, page turning, or index can be selected by operating the input pen 15.

As described above, the contents of the "memo" and the character information 25 are managed in a layer structure (recorded at continuous positions). When the observer 11 presses a “layout change” button (not shown) on the tablet 14 with the input pen 15, both the “memo” and the character information 25 move to another position on the page 12b.

That is, the “memo” and the character information 25 of the virtual book 5
Are combined and stored, and as the character information 25 moves,
"Memo" can be moved. In this manner, editing such as changing the position of the text of A and the text of B can be performed according to the contents of the "memo", and the convenience is improved.

Further, the storage means 1 has a plurality of character information having different resolutions (for example, high-resolution character information and low-resolution character information). And, for example, the page turning sensor 10
If the detection speed of the page turning sensor 10 is low, the reading means 2 reads the low-resolution character information.
The reading means 2 is configured to read high-resolution character information.

As described above, when the observer 11 wants to know the information he wants (for example, Internet information), he or she turns over the virtual book 5 and tries to know the related rough information.
In that case, it is sufficient for the storage means 1 to provide low-resolution character information, and instead, it is possible to speed up page turning,
Convenience is improved.

In the above description, the storage means 1 mainly stores character information, but can also store drawings, tables, formulas, illustrations, and the like.

[0035]

According to the present invention, as described above, the control means projects character information and the like onto the virtual book via the display means. As a result, the observer can enjoy the tactile sensation of turning the pages of the virtual book by hand and read the virtual book of an appropriate number of pages even if there is a lot of text information, so that the book is not thick and easy to handle. .

Desirably, the character information and the like are switched according to the detection of the page turning sensor of the virtual book, so that the observer can enjoy the sensation of reading a real book.

Preferably, an input pen and a tablet are provided,
Marks, underlines, indices, memos, etc. can be entered and stored in the virtual book, so these marks are attached when read, and appropriate information is added to read the virtual book, making it convenient. good. In addition, by operating the input pen, character search, page designation, page turning, or index selection can be performed, so that convenience is improved.

Desirably, the memo and the character information of the virtual book are combined and stored, and the memo can be moved with the movement of the layout change of the character information and the like. As a result, the text of A can be corrected according to the contents of the memo, and editing such as conversion of the text and position of B can be performed.

Desirably, a microphone and a voice recognition unit are provided, and in accordance with voice input to the microphone, page designation or page turning is performed in a virtual book. As a result, the observer can use
This is convenient because it is possible to specify a page of a virtual book or turn a page only by emitting a sound.

Desirably, the storage means has a plurality of character information having different resolutions, and character information having a specific resolution can be selected according to the detection speed of the page turning sensor. Thus, when the observer wants to know the information he wants, he turns over the virtual book and tries to know the rough information. In that case,
It is sufficient for the storage means to provide low-resolution character information. Instead, it is possible to speed up page turning, and the convenience is improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of a display device according to an embodiment of the present invention.

FIG. 2 is a block diagram of the display device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Storage means 2 Reading means 5 Virtual book 19 Display means 32 Control means

Claims (6)

[Claims] 1. A storage system comprising: a storage unit; a reading unit for reading character information and the like in the storage unit; a virtual book in which characters and the like are not written; a display unit; and a control unit; A display device for projecting the character information or the like onto the virtual book via a means. 2. The display device according to claim 1, further comprising: a page turning sensor for detecting the page turning of the virtual book, wherein the character information and the like are switched according to the detection of the page turning sensor. 3. An input pen and a tablet are provided so that a mark, an underline, an index, a memo, or the like can be input to the virtual book, and a character search or a page designation or a page turning or an index tab is selected by operating the input pen. The display device according to claim 1, wherein the display device is configured to be able to be used. 4. The system according to claim 1, wherein the memo and the character information of the virtual book are combined and stored, and the memo can be moved along with the movement of the layout of the character information or the like. Item 3. The display device according to Item 3. 5. The display device according to claim 1, further comprising a microphone and a voice recognition unit, wherein a page is specified or turned in the virtual book in accordance with a voice input to the microphone. . 6. A method according to claim 1, wherein a plurality of character information having different resolutions are recorded in said storage means, and said character information having a specific resolution is selected according to a detection speed of said page turning sensor. 1 display device.