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DESCRIPTION JP2004200815

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DESCRIPTION JP2004200815
The present invention provides a voice information support system capable of realizing voice
information support individually corresponding to each user who is viewing a video. An image
display apparatus (1) for displaying an image, an audio output apparatus for outputting an
electromagnetic wave modulated based on audio information toward an arbitrary position in an
image displayed by the image display apparatus (1) 2) and an audio reproduction terminal (3) for
receiving the electromagnetic wave at a position in the image, converting the electromagnetic
wave into an electric signal, and reproducing the electric signal. [Selected figure] Figure 1
Speech information support system
TECHNICAL FIELD The invention of this application relates to a voice information support
system. More specifically, the invention of this application relates to a new voice information
support system capable of realizing voice information support individually corresponding to each
user who is viewing an image displayed on a screen or the like. [0002] Conventionally, there has
been known an information system in which a screen is incorporated in a table top plate portion
and an image is projected by a projector from below the back surface (see Patent Document 1).
According to this information system, it is possible for a large number of users to view video
simultaneously by surrounding a table. However, in the information system described in JP-A2001-75733, the user sees an image displayed on a table. There can only be audio associated
with that video (voice or music, signal sounds etc.). The same applies to the following). Each user
can not individually listen to his / her favorite voice information when he / she likes it. Of course,
the above-mentioned patent document 1 also proposes an aspect of outputting audio together
with video, but audio information is made to flow from the speaker to all the users who surround
the table, and all the members will always hear the same audio. is there. That is, audio
information support individually corresponding to each user is not realized, such that each user
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who is viewing a video can acquire audio information that “the user wants to be here, here, I”.
Therefore, in the invention of this application, in view of the circumstances as described above,
images on still screens and various displays (still images and moving images do not matter. The
issue is to provide a completely new voice information support system that can realize voice
information support individually corresponding to each user who is viewing the same. SUMMARY
OF THE INVENTION In order to solve the above-mentioned problems, the invention of the
present application is, firstly, an image for displaying an image, as exemplified by its functional
block diagram in FIG. A display device (1), an audio output device (2) for outputting an
electromagnetic wave modulated based on audio information toward one or more positions in an
image displayed by the image display device (1); Audio comprising a conversion means (31) for
receiving the electromagnetic wave at a position in the image and converting it into an electric
signal, and an audio reproduction means (32) for audio reproduction of the electric signal
obtained by the conversion means (31) There is provided an audio information support system
comprising the reproduction terminal (3).
Second, one or more of the image display device (1) for displaying an image and the image
displayed by the image display device (1) as exemplified by the functional block diagram in FIG.
An audio output device (2) for outputting an electromagnetic wave modulated based on audio
information toward the position of (b), conversion means (31) for receiving the electromagnetic
wave at the position in the image and converting it into an electrical signal; Audio reproduction
terminal (3) having audio reproduction means (32) for reproducing the electric signal obtained
by means (31) and ID transmission means (33) for transmitting ID, and audio reproduction
terminal (3) And an ID detection device (4) for detecting an ID transmitted by the ID transmission
means (33). Third, an image display apparatus (1) for displaying an image, one or more of the
images displayed by the image display apparatus (1) as exemplified by the functional block
diagram in FIG. 3 An audio output device (2) for outputting an electromagnetic wave modulated
based on audio information toward the position of (b), conversion means (31) for receiving the
electromagnetic wave at the position in the image and converting it into an electrical signal; An
audio reproduction terminal (3) having an audio reproduction means (32) for reproducing the
electric signal obtained by the means (31), and a position detection device (5) for detecting the
position of the audio reproduction terminal (3); And providing a voice information support
system characterized by comprising: Fourth, one or more of the images displayed by the image
display device (1) for displaying an image, and the image display device (1) as exemplified by the
functional block diagram in FIG. An audio output device (2) for outputting an electromagnetic
wave modulated based on audio information toward the position of (b), conversion means (31)
for receiving the electromagnetic wave at the position in the image and converting it into an
electrical signal; ID of sound reproduction terminal (3), sound reproduction terminal (3) having
sound reproduction means (32) for sound reproduction of electric signal obtained by means (31),
and ID transmission means (33) for transmitting ID Audio information characterized by
comprising an ID detection device (4) for detecting an ID transmitted by the transmission means
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(33); and a position detection device (5) for detecting the position of the audio reproduction
terminal (3). Provide a support system. Fifthly, the image display apparatus (1) has a screen
means (11) for displaying an image and an image corresponding to the screen means, the
functional block diagram of which is illustrated in FIG. An audio information support system
characterized by including an image projection means (12) for projecting the image; and sixth,
the screen means (11) has a flat, curved or uneven image display surface A voice information
support system characterized in that it has a planar shape; Seventh, a voice information support
system characterized in that the screen means (11) has a translucent image display surface An
eighth aspect of the present invention is an audio information support system characterized in
that the image projection means (12) projects an image from the image display surface side to
the screen means (11). Image projection means ( 12) An audio information support system
characterized in that an image is projected from the side opposite to the image display surface to
the screen means (11).
Tenth, an audio information support system characterized in that the image display device (1) is
a cathode ray tube display, and eleventhly, the image display device (1) is a flat panel display
[12] The flat panel display according to any one of a liquid crystal display, a plasma display, an
electroluminescent display, a light emitting diode display, a fluorescent display and a field
emission display Provided is a voice information support system characterized by a certain
feature. Thirteenth, the audio output device (2) is a modulator (21) for modulating an
electromagnetic wave based on audio information, and the modulator as the functional block
diagram of which is illustrated in FIG. (21) A voice information support system comprising:
electromagnetic wave irradiation means (22) for irradiating the electromagnetic wave modulated
by (21) toward a position in the image; (22) A voice information support system characterized by
having an electromagnetic wave source for outputting an electromagnetic wave, and fifteenth,
the electromagnetic wave source is disposed corresponding to each of a plurality of positions in
the image A plurality of voice information support systems, sixteenth, the electromagnetic wave
source may have one or more ones capable of changing the radiation direction toward a plurality
of positions in the image It is characterized by A voice information support system, seventeenth,
the voice information support system characterized in that the electromagnetic wave source is a
light source for outputting light as an electromagnetic wave; eighteenth, the light source is a light
emitting diode or a laser According to a nineteenth aspect of the present invention, there is
provided an audio information support system, wherein a light from the light source is irradiated
to a position in the image through an optical cable. Twentieth, the conversion means (31) of the
audio reproduction terminal (3) is a photoelectric conversion means for receiving light from the
light source of the electromagnetic wave irradiation means and performing photoelectric
conversion. A voice information support system, 21stly, the photoelectric conversion means is a
solar cell; 22ndly, the conversion means of the voice reproduction terminal (3) 31) A voice
information support system characterized in that it can be worn on a part of the terminal user's
body, and 23) a voice characterized in that the part of the body is a hand or a foot Information
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support system, Twenty-fourth, voice information characterized in that the conversion means
(31) of the voice reproduction terminal (3) is attachable to or incorporated in a pointer stick held
by a terminal user Support system, No. An audio information support system according to claim
25, wherein said audio reproduction means (32) of said audio reproduction terminal (3) is an
earphone or a headphone or a speaker, 26th, said audio reproduction terminal (3) The present
invention provides a voice information support system characterized by being a non-power
supply terminal that does not require a separate drive power supply.
Twenty-seventh, as the functional block diagram of which is illustrated in FIG. 7, the ID
transmitting means (33) of the voice reproduction terminal (3) is an RFID tag (34), and the ID A
voice information support system characterized in that the detection device (4) is a reader /
writer (41) for performing ID authentication communication with the RFID tag (34), and in the
twenty-eighth, the functional block shown in FIG. The ID transmitting means (33) of the voice
reproduction terminal (3) is an optical ID tag (35) as illustrated in the figure, and the ID detection
device (4) emits the optical ID tag (35). A voice information support system characterized by
being an infrared sensor (42) for receiving ID infrared light and outputting ID data, and the
twenty-ninth, such as the functional block diagram shown in FIG. Optical ID tag (35), ID Infrared
light source for infrared light (35a), ID storage means (35b) for storing ID data, and modulation
means (35c) for modulating infrared light for ID according to the ID data, The infrared sensor
(42) receives the ID infrared light modulated and transmitted by the light ID tag (35), and
outputs ID data. Thirty-fifth, as the functional block diagram of which is illustrated in FIG. 10, the
position detection device (5) comprises an infrared light source (51) of infrared light for position;
3) An infrared imaging means (52) for imaging the position infrared light reflected back and a
voice reproduction terminal (3) based on the position infrared light image imaged by the infrared
imaging means (52) And a position detection means (53) for detecting the position of the sound
reproduction terminal (3), and the sound reproduction terminal (3) is a reflection means for
reflecting the position infrared light emitted by the position detection device (5). 36. The voice
information support system according to claim 31, wherein the position detection device (5)
comprises a touch panel provided on an image display surface of the image display device (1).
The position of the touch panel touched by the terminal user And a position detection means for
detecting the position of the sound reproduction terminal (3) based on the sound information
support system. DESCRIPTION OF THE PREFERRED EMBODIMENTS First Embodiment FIGS. 11
and 12 show an embodiment of the invention of this application. In the embodiment shown in
FIGS. 11 and 12, first, as the image display device (1), a table-like body (100) corresponding to
the screen means (11) and the image projection means (12) And a projector device (102)
corresponding to
More specifically, the table-like body (100) is flat and has a translucent top plate screen portion
(101), and the projector device (102) is of the top plate screen portion (101). It is installed below
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the top screen part (101) so as to project an image from the back side opposite to the image
display surface. In FIG. 11, one projector device (102) is used to project an image on one surface
of the top screen portion (101), and in FIG. 12, two projector devices (102) are provided, The top
board screen part (101) is divided into two screens, and images are projected on each of them.
The projector device (102) in FIG. 12 has a projector body (103) and an optical system (104)
such as a mirror that refracts the projection image from the upper side and guides it to the back
of the top screen portion (101). Next, as the sound output device (2), an infrared light source
array (200) comprising a plurality of infrared light sources (201) corresponding to the
electromagnetic wave irradiating means (22) is used for the top screen portion (101). A voice
control unit (202) is provided below and has a function corresponding to the modulation means
(21). More specifically, each infrared light source (201) of the infrared light source array (200) is
arranged in an array corresponding to each of a plurality of positions in the image displayed on
the top screen (101). The sound control unit (202) emits infrared light modulated on the basis of
sound information to each position in the image from the back of the top screen (101). In FIG.
12, a 6 × 16 spot position is set by combining two images separately displayed on the top
screen portion (101), and a 6 × 16 infrared light source (201) corresponding to each spot
position. Are provided. In addition, a projection area is opened so as not to interfere with image
projection on the top screen portion (101) by the projector device (102) (the projector body
(103) and the optical system (104)). The infrared light emitted from such an infrared light source
(201) is modulated based on audio information to be output by the audio control unit (202).
More specifically, for example, the drive voltage of the infrared light source (201) may be
changed according to the voltage level of the audio signal to modulate and control the intensity
of the outgoing infrared light.
Now, as described above, the projection image from the projector device (102) is displayed on
the top screen (101), and the sound modulation red from the infrared light source array (200) is
made at a plurality of spot positions in the image. Using the conversion means (31) and the audio
reproduction means (32) (see FIG. 1) of the audio reproduction terminal (3) in a state where
external light is irradiated, audio modulated infrared light is received It is possible to
photoelectrically convert and reproduce the obtained electric signal as sound. In the present
embodiment, a finger attached terminal unit (301) provided with a solar cell (302) corresponding
to the conversion means (31) is attached to the finger of the terminal user (600), and the solar
cell (302) An earphone (300) corresponding to the voice reproduction means (32) wired via a
cable (not shown) or the like is attached to the ear of the terminal user. In this, when the terminal
user (600) brings his finger close to an arbitrary spot position in the image, more specifically,
when the solar cell (302) attached to the finger approaches a spot position, the solar cell (302) )
Receives the voice modulated infrared light irradiated to the spot position and performs
photoelectric conversion. The electric signal obtained by the photoelectric conversion is sent to
the earphone (300) to be outputted as voice as it is, and the terminal user (600) hears the voice.
This voice is naturally the same as the original voice information. According to the voice
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information support system of the present embodiment described above, a plurality of terminal
users (600) can only view the image projected on the top screen portion (101) of the table-like
body (100). Instead, each terminal user (600) can listen to his / her favorite audio information
related to the image when he / she likes it. That is, voice information support individually
corresponding to each terminal user (600) is realized. Second Embodiment In this voice
information support system, in order to further promote individualization (also called
privatization) of voice information support for each user, based on the ID and position of the
terminal user or the terminal itself. The system can also be configured to perform voice
information support. First, FIG. 13 shows an embodiment of voice information support based on
ID. In the embodiment of FIG. 13, a finger attached terminal unit in which the solar cell (302) and
the RFID tag (303) corresponding to the ID transmitting means (33) (see FIGS. 2 and 7) are
integrally disposed. (301) (see the enlarged conceptual view in the figure) is used, while the
table-like body (100) does not disturb the image display on the top screen portion (101) on the
top plate The reader / writer (401) is disposed at the four corners, and the output of each reader
/ writer (401) is connected to the ID authentication unit (400).
In the present embodiment, the reader / writer (401) and the ID authentication unit (400)
correspond to the ID detection device (4) (see FIGS. 2 and 7). In the finger attachment terminal
unit (301), the solar cell (302) is a top plate screen unit (101) that emits sound modulated
infrared light emitted from the back of the top plate screen unit (101) by the infrared light
source array (200). In order to receive light at the top, it is preferable that the light receiving
surface be disposed so as to face downward, and the RFID tag (303) may be capable of ID
authentication communication with the reader / writer (401). For example, it may be provided on
the opposite side to the solar cell (302) or on the same side (see the enlarged conceptual view in
the figure). In the case of the opposite side arrangement, the terminal user (600) may turn over
the finger attachment terminal (301) on the reader / writer (401). In this case, when the terminal
user (600) puts the finger attachment terminal unit (301) on the finger and the RFID tag (303)
approaches the reader / writer (401), the RFID tag (303) and the reader Necessary data
communication is performed with the writer (401), and the ID data read by the reader / writer
(401) is sent to the ID authentication unit (400). Then, based on the ID data authenticated by the
ID authentication unit (400), it is possible to automatically determine what kind of terminal user
(600) is currently viewing the image, and further, according to the determination, the voice
control It is also possible to transmit voice information suitable for the terminal user (600) via
the unit (202). At this time, for example, a voice information database storing voice information
corresponding to predetermined ID data, and voice information corresponding to ID data
authenticated by the ID authentication unit (400) are searched and selected from the voice
information database By constructing a voice information selecting means to be used, it is
possible to realize individual support by voice information corresponding only to the terminal
user (600) having the ID data. Third Embodiment FIG. 14 shows another embodiment of ID-based
audio information support. In the present embodiment, the finger attachment terminal unit (301)
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has an optical ID tag (304) integrated with a solar cell (302) instead of the RFID tag (303) ((1)
See the enlarged conceptual diagram in the figure). The optical ID tag (304) comprises an
infrared light source (35a) such as an infrared LED beacon emitting an infrared light for ID as
shown in FIG. 9 and an ID storage means (35b) such as an ID memory for storing ID data. And
modulation means (35c) such as a modulation circuit for modulating the infrared light for ID
according to the ID data.
On the other hand, above the table-like body (100), a plurality of infrared sensors (402) for
receiving ID infrared light from the light ID tag (304) and outputting ID data are disposed at
appropriate positions. The output of each infrared sensor (402) is connected to the ID
authentication unit (400). In this case, in a state where the terminal user (600) wears the finger
attachment terminal unit (301) on the finger, modulation is performed according to the own ID
data stored in the optical ID tag (304). When the ID infrared light is emitted, the infrared sensor
(42) receives it and demodulates it to take out the ID bit string. After that, as in the embodiment
of FIG. 13, the ID authentication unit (400) which has received this ID bit string authenticates the
ID data, and the voice information suitable for only the terminal user (600) having this ID data is
voice controlled. It is transmitted via the unit (202). Fourth Embodiment Next, FIG. 15 shows an
embodiment of position-based audio information support. In the present embodiment, in the
finger attachment terminal portion (301), a retroreflection sheet (305) corresponding to the
reflection means (36) (see FIG. 10) is integrally disposed with the solar cell (302). (See the
enlarged conceptual diagram in the figure). On the other hand, above the table-like body (100),
one integrally provided with the infrared LED (502) and the infrared camera (501) is disposed at
a suitable position. The infrared LED (502) corresponds to the infrared light source (51) (see FIG.
10) that emits infrared light for position, and the infrared camera (501) uses the reflection sheet
(305) of the finger attachment terminal (301). It corresponds to the infrared imaging means (52)
(see FIG. 10) for imaging the position infrared light reflected back. Since the retroreflective sheet
(305) reflects the received light in the same direction as the incident direction, the infrared
camera (501) and the infrared light can be used to accurately capture the reflected and returned
infrared light. The LED (502) is closely arranged to be integrated. The output of the infrared
camera (501) is the position detection means (53) for detecting the position of the audio
reproduction terminal (3) based on the infrared light image for position taken by the infrared
camera (501) (see FIG. 10). ) Is connected to the position authentication unit (500)
corresponding to. The position authentication unit (500) may be incorporated in an integrated
casing of the infrared camera (501) and the infrared LED (502) or may be provided as an
external separate body.
In this case, infrared light for position is constantly emitted from the infrared LED (502) to
substantially the entire surface of the top screen (101), and the finger attachment terminal (301)
is in the emission area. When the terminal user (600) brings the finger attachment terminal
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(301) worn by the terminal user (600) onto the top screen (101), the retroreflective sheet (305)
is positioned. It receives infrared light and reflects it in the same direction as the incident
direction. This reflected infrared light recurs to the infrared camera (501). The infrared camera
(501) captures infrared light for position as a bright spot through a visible light cut filter, and the
position authentication unit (500) that receives this image data detects the camera relative
position of the bright spot from the frame coordinates by image processing Do. This detection
position is authenticated as the position of the finger attachment terminal (301) on the top
screen (101), and it is automatically determined at which position in the image the finger
attachment terminal (301) is located. Can. Then, the coordinates of the position on the top screen
portion (101) where the infrared light source array (200) emits the sound modulated infrared
light are stored in advance in the sound control portion (202), and If the position matching the
position coordinates of the finger-mounted terminal unit (301) is selected from the above and the
voice modulated infrared light is irradiated to the selected irradiation position, the terminal user
(600) can select the finger-mounted terminal Audio information can be transmitted to the
position in the image pointed by the user's finger in the unit (301). The retroreflective reflection
sheet (305) can be formed, for example, by arranging a plurality of retroreflective corner cubes
in a sheet shape, and as described above, the position from above by the infrared LED (502) To
receive the infrared light from the lower side by the infrared light source array (200) to receive
the infrared light, the opposite side to the solar cell (302) that receives the infrared light, that is,
the light receiving reflection surface is directed upward It is preferable that it is arrange |
positioned. Fifth Embodiment In this voice information support system, a combination of voice
information support based on the above-mentioned ID and voice information support based on
the position can further realize even better individual voice information support. it can. FIG. 16
shows an embodiment combining the embodiments of FIGS. 13 and 15 to provide voice
information support based on both ID and position. FIG. 17 is a conceptual diagram for further
describing the present embodiment, and will be appropriately referred to in the following
description.
In the present embodiment, first, infrared light for position is always emitted from the infrared
LED (502), which is a reflection sheet of the finger attachment terminal (301) on the top screen
(101). According to 305), the light is retroreflected to the infrared camera (501) and imaged, and
the position authentication unit (500) performs position authentication based on the image
pickup data. That is, as long as the retroreflective infrared light for position is imaged, it is
possible to track or track the finger-mounted terminal (301) (see FIG. 17). On the other hand,
when the terminal user (600) brings the RFID tag (303) of the finger attachment terminal unit
(301) close to a certain reader / writer (401) on the top plate, ID authentication is performed as
described above. . At this time, the position coordinates of the finger attachment terminal unit
(301) detected and authenticated by the infrared camera (501) and the position authentication
unit (500) match the position coordinates of the reader / writer (401). If the placement position
coordinates of (401) are stored in advance, it is possible to automatically determine with which
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reader / writer (401) ID authentication has been performed, and the finger attachment terminal
(301) and ID data being tracked It can correspond (refer FIG. 17). Then, the voice information
corresponding to the authenticated ID data is retrieved and selected, and the infrared light
modulated based on it is displayed in the image matching the position coordinates of the
authenticated finger attachment terminal unit (301). By emitting light to the position of, it is
possible to transmit voice information suitable only for the terminal user (600) to the position in
the image that the terminal user (600) having the ID data is just showing interest And, this
individual voice information support can always be properly performed during tracking of the
finger mounted terminal unit (301) (see FIG. 17). Referring to an example of FIG. 17, when it is
determined by ID authentication that one person is Japanese and one person is foreign, from the
position of the reader / writer (401) which each performed the ID authentication communication.
Tracking is performed (ID authentication and tracking start (imaging start) may be synchronized),
and for Japanese, the finger-mounted terminal (301) is always moved on the top screen (101).
Japanese voice information is provided at any spot position in the image, and foreign language
voice information is similarly provided to foreigners. Sixth Embodiment FIG. 18 shows an
embodiment in which the above-described embodiments of FIGS. 14 and 15 are combined to
perform voice information support based on both ID and position.
In the present embodiment, first, the finger attachment terminal unit (301) intermittently emits
infrared light for ID from the optical ID tag (304) at preset time intervals. The ID infrared light
travels through different paths to reach two different sensors, namely an infrared sensor (402)
and an infrared camera (501). The infrared sensor (402) demodulates the ID infrared light as
described above to take out an ID bit string, and the ID authentication unit (400) performs ID
authentication. The infrared camera (501) captures infrared light for ID as a bright spot through
a visible light cut filter, and position authentication is performed by the position authentication
unit (500). At this time, since the infrared light emission is repeated at the predetermined time
interval, the output timing can be known from the change of the bright spot. That is, the output
of the infrared sensor (402) and the camera image by the infrared camera (501) can be
synchronized. On the other hand, as described above, the infrared LED (502) constantly emits
infrared light for position, which is reflected by the reflection sheet (301) of the finger
attachment terminal (301) on the top screen (101). 305) retroreflects the infrared camera (501),
and the position authentication unit (500) performs position authentication based on the imaging
data. This infrared light for position, that is, the bright spot of the reflection sheet (305) is
different from the infrared light for the ID, and is hard to be lost. Therefore, the position of the
reflection sheet (305), ie, the position of the finger attachment terminal (301) You can always
keep track. Therefore, if the bright spot of the light ID tag (304) appears in the vicinity of the
bright spot of the reflective sheet (305), then the ID authenticated by the infrared sensor (402)
and the ID authentication unit (400) And a position authenticated by the position authentication
unit (500). That is, it is possible to associate the intermittently detected ID information with the
position information while always tracking or tracking the finger attachment terminal unit (301).
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Then, the voice information corresponding to the authenticated ID data is retrieved and selected,
and the infrared light modulated based thereon is selected in the image matching the position
coordinates of the authenticated finger attachment terminal unit (301). By emitting light to the
position of, it is possible to transmit voice information suitable only for the terminal user (600) to
the position in the image that the terminal user (600) having the ID data is just showing interest
And, the individual voice information support can be always properly performed during the
tracking of the finger mounted terminal unit (301).
Seventh Embodiment Incidentally, for position authentication, it can be considered to use a touch
panel other than the RFID tag (303) and the light ID tag (304). FIG. 19 shows an embodiment in
which voice information support is performed based on position authentication using this touch
panel. In the present embodiment, the touch panel (503) is provided on the top screen portion
(101) of the table-like body (100). The touch panel (503) is transparent so that the terminal user
(600) can see the image displayed on the top screen part (101) through the touch panel (503). In
this case, when the terminal user (600) touches the touch panel (503), the position is detected as
the position of the finger attachment terminal (301). After that, individual voice information
support can be performed to the matched irradiation position in the same manner as described
above by determining whether the touch position coordinate matches the irradiation position
coordinate of the sound modulated infrared light. Of course, it is needless to say that a
combination with the above ID authentication can also be made. [Other Embodiments] The
invention of this application is not limited to the above embodiments, and various aspects are
possible. [1] For example, in the embodiment of FIG. 11 to FIG. 19, a table-like body (100 having
a flat top screen portion (101) as a screen means (11) of the image display device (1) However, it
is also possible to use a curved screen portion, and in this case, it is possible to consider a form in
which an image is projected from the back to a screen body such as a spherical surface or a
hemispherical surface. FIG. 20 shows an example of the translucent spherical screen (700) and
the projector device (701). A plurality of projection devices (701) are disposed inside the 360degree spherical screen (700), and each projector device (701) is configured to project an image
on the spherical region assigned to each of them. There is. In this case, the number of the
infrared light sources (201) may be appropriately set at appropriate positions so that the sound
modulated infrared light can be irradiated to the appropriate spot position in the image. [2] Also,
the embodiment of FIGS. 11 to 19 is for the image display apparatus (1) (see FIG. 5) including the
screen means (11) and the image projection means (12). However, as the image display device
(1), a cathode ray tube display (= CRT display), liquid crystal display (= LCD), plasma display (=
PDP), electroluminescent display (= ELD), light emitting diode display (= LED display) Various
devices can be used, such as flat panel displays (= FPD) such as fluorescent display tube displays
(= VFD), field emission displays (FED), etc.
Even when any display device is used, an audio electromagnetic wave represented by the audio
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modulated infrared light may be irradiated to an appropriate position on the image display
surface. FIG. 21 shows an example of a cathode ray tube display (801) and an infrared light
source (800). In this case, as many infrared light sources (800) can be used as the number of
Braun tubes (803) so that sound modulated infrared light can be emitted to the appropriate spot
position in the image through the fluorescent screen (802) of the Braun tube display (801). It
may be disposed at an appropriate position outside of. At this time, since the Braun tube (803) is
usually provided with an outer coating and an inner coating, for example, the coating of the
portion to which infrared light is to be transmitted is scraped or an infrared light transmitting
material is used, It is necessary to allow infrared light to be sufficiently transmitted through both
coatings. Of course, the present invention is not limited to the example of FIG. FIG. 22 shows an
example of a transmissive liquid crystal display (805) and an infrared light source (804). In FIG.
22, (806) is a backlight source, (807) is a polarizing filter, (808) is a glass substrate, (809) is a
transparent electrode, (810) is a liquid crystal layer, (811) is a color filter, (812) Is a glass
substrate, (813) is a polarizing filter, and (814) is a display surface. In this case, the number of
infrared light sources (804) may be appropriately set so that the sound modulated infrared light
can be emitted to the appropriate spot position on the display surface (814) by transmitting
through each layer. Good. An infrared light transmitting material may be used at an appropriate
portion of each layer. Of course, the present invention is not limited to the example of FIG. FIG.
23 shows an example of a plasma display (816) and an infrared light source (815). In FIG. 23,
(817) is a glass substrate on the back, (818) is an address electrode (also called data electrode),
(819) is a phosphor, (820) is a partition, and (821) is a display electrode (scan electrode and
maintenance (Pair of electrodes), (822) dielectric layer, (823) is a front glass substrate. In this
case, the number of infrared light sources (815) is appropriately arranged at appropriate
positions so that voice modulated infrared light can be transmitted through each layer and
irradiated to appropriate spot positions on the glass substrate (823) on which an image is
displayed. You can do it. An infrared light transmitting material may be used at an appropriate
portion of each layer. Of course, the present invention is not limited to the example of FIG.
FIG. 24 shows an example of a transparent electroluminescent display (825) and an infrared light
source (824). In FIG. 24, (826) is a glass substrate, (827) is a transparent electrode, (828) is an
insulating layer, (829) is a light emitting layer, (830) is an insulating layer, and (831) is a glass
substrate. In this case, the number of infrared light sources (824) may be appropriately set such
that the sound modulated infrared light can be irradiated to the appropriate spot position on the
glass substrate (831) by transmitting each layer. Good. An infrared light transmitting material
may be used at an appropriate portion of each layer. Of course, the present invention is not
limited to the example of FIG. FIGS. 25 (a) and 25 (b) show an example of a flat and spherical
light emitting diode display (833) and an infrared light source (832) formed by arranging a
plurality of light emitting diode panels (834), respectively. It is The light emitting diode panel
(834) is a panel body having a plurality of small LEDs (835) in an array, and a plurality of light
emitting diode displays (833) of a flat body or a sphere are formed by arranging a plurality of
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them. . In this case, the infrared light source (832) may be incorporated into each light emitting
diode panel (834) itself together with other small LEDs, or may be incorporated into the gap
between the light emitting diode panels (834). Can be irradiated. Of course, the present invention
is not limited to the example of FIG. Although other flat panel displays are not shown, in the same
manner, an appropriate number of infrared light sources may be provided at appropriate
positions so that sound modulated infrared light can be emitted to the appropriate spot positions
on the image display surface. Just do it. In the illustrated example, a plurality of separate infrared
light sources (800) (804) (815) (824) are arranged, but a surface emitting light source
represented by a surface emitting LED May be provided at appropriate positions. [3] Also, in the
above embodiment, each infrared light source is arranged in the same number as each position in
the image to be irradiated, but the irradiation direction of each infrared ray is set to each position
in the image The number of irradiation positions in the image and the number of light sources do
not have to be the same as long as change control can be performed so as to direct, and the
number of light sources may be smaller than the number of positions or only one light source. [4]
Further, in the above embodiment, the sound modulated infrared light is emitted from the back
surface of the image display surface, that is, the surface opposite to the image display surface,
but irradiation is performed from the image display surface It is also good.
FIGS. 26 and 27 each show an example in this case, and the infrared light source (201) is
disposed above the top screen portion (101). Although FIG. 26 shows the same number of light
sources as the number of irradiation positions, FIG. 27 shows that each infrared light source
(201) can be pan / tilt driven to change and control the irradiation direction as described above.
The number of light sources is smaller than the number of positions. [4] As the infrared light
source (201), for example, an infrared light emitting diode (= infrared LED) can be used. [5]
When it is desired to increase the amount of light according to the distance to the image display
surface of various image display devices, the individual infrared light source (201) itself should
be a collection of a plurality of infrared LEDs. You can also. [6] As the electromagnetic wave
irradiation means (22) of the sound output device (2), various light sources outputting other light
such as visible light may be used besides the infrared light source (201). it can. [7] Also, not only
LEDs but also lasers can be used as light sources, and also the aspect of irradiating the light from
these to spot positions in the image through an optical cable such as an optical fiber is also
considered. it can. [8] Of course, the use of various electromagnetic waves such as radio waves
other than light can also be considered, and in this case, corresponding electromagnetic wave
sources will be used. Moreover, it is needless to say that it is necessary to make it the structure
corresponding to each electromagnetic wave also about said various embodiment. [9] Also, in the
embodiment of FIGS. 11 to 19, the finger attached terminal unit having the solar cell (302), the
RFID tag (303), the light ID tag (304), and the reflection sheet (305) Although 301) is assumed to
be attachable to the finger of the terminal user (600), it may be a body-attachable terminal that
can be attached to a part of the body such as a hand or a foot without being a finger. What is
necessary is just to be able to touch or approach the spot position in the displayed image.
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Therefore, not only ones that can be attached to a part of the body in this way, but also those
that can be attached to or pre-assembled to a pointer (900) possessed by a terminal user (600)
as illustrated in FIG. 28, for example Etc. can also be considered. In FIG. 28, a rod attachment
terminal (901) is attached to the tip of the extensible indicator rod (900) and removably
attached. This rod attachment terminal (901) is in the indicator rod (900). Are connected to an
audio reproduction terminal (903) such as an earphone, headphone, or speaker via a conductor
(902) (may pass through the outside) through which the output electric signal from the solar cell
(not shown) is It is intended to be played as voice.
Also, for example, earphones and headphones as the audio reproduction terminal unit (903) can
be attached to the ear of the terminal user (600), and the speaker can be carried by the terminal
user (600). [10] This voice information support system can also be applied as a voice guidance
system for visually impaired persons. In this case, since it is not known at which position in the
image an electromagnetic wave such as infrared light is emitted, small holes (1000) are provided
at each irradiation position on the image display surface as illustrated in FIG. 29, for example.
You may According to this, the visually impaired person can know the irradiation position by
touching the hole (1000), and can receive the audio information support properly. Further, by
embedding a bit string indicating that the user is visually impaired in the ID data, it can be
determined at the time of ID authentication, and audio information suitable for the visually
impaired can be provided according to the determination. At this time, the next irradiation
position or hole (1000) can be obtained, for example, by moving the finger or pointer in any
direction from the irradiation position in the image being touched or the hole (1000) in
combination with position authentication. It is also possible to navigate or the like. For example,
an audio instruction such as "There is the next hole slightly to the right from there", "There is a
hole that is explaining sound about ... slightly forward from there" can be output. Of course, this
navigation is also applicable to healthy people. [11] Further, in the embodiments of FIG. 15, FIG.
16 and FIG. 18, the infrared camera (501) and the infrared LED (502) for position authentication
are located above the top screen portion (101). Although disposed, for example, it may be
considered to be disposed downward as illustrated in FIG. In this case, it is preferable that the
reflective sheet (305) be provided on the same side as the solar cell (301) to receive infrared
light for position from below and retroreflect it (see the enlarged view in the figure) . [12]
Further, in the embodiment of FIGS. 11 to 20, the one corresponding to the screen unit (11) of
the image display device (1) ) Or spherical screen body (700)) has a clean flat or curved image
display surface without any unevenness, but a screen means having an uneven image display
surface in which a flat surface or a curved surface is combined 11) can also be used. FIG. 31
shows an example of this case, and an image is projected from a projector apparatus (1101) onto
a stereoscopic screen (1100) having a concavo-convex image display surface to display a
stereoscopic map etc. The sound modulated infrared light is emitted from an infrared light source
(1102) to an appropriate position of
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[13] Note that the image display device (1) is not limited to those including the various screen
means (11) and the image projection means (12) as in the above embodiment, and an image is
displayed The voice information support system according to the invention of the present
application is, for example, an apparatus in which an image is applied or printed on the screen
body itself and can transmit an electromagnetic wave represented by the above-mentioned
infrared light. It can apply. As described above in detail, according to the invention of this
application, the user can simply point or touch the position at an arbitrary position in the image
displayed on the screen. An entirely new voice information support system is provided which can
easily hear voice information related to a display image and can realize voice information support
individually corresponding to each user who is viewing the image. BRIEF DESCRIPTION OF THE
DRAWINGS FIG. 1 is a functional block diagram for explaining the invention of this application.
FIG. 2 is a functional block diagram for explaining the invention of this application. FIG. 3 is a
functional block diagram for explaining the invention of this application. FIG. 4 is a functional
block diagram for explaining the invention of this application. FIG. 5 is a functional block
diagram for explaining the invention of this application. FIG. 6 is a functional block diagram for
explaining the invention of this application. FIG. 7 is a functional block diagram for explaining
the invention of this application. FIG. 8 is a functional block diagram for explaining the invention
of this application. FIG. 9 is a functional block diagram for explaining the invention of this
application. FIG. 10 is a functional block diagram for explaining the invention of this application.
FIG. 11 is a schematic view showing an embodiment of the invention of this application. FIG. 12
is a schematic view showing another embodiment of the invention of this application. FIG. 13 is a
schematic view showing an embodiment of the invention of this application when performing ID
authentication. FIG. 14 is a schematic view showing another embodiment of the invention of this
application when performing ID authentication. FIG. 15 is a schematic view showing an
embodiment of the invention of this application when performing position authentication. FIG. 16
is a schematic view showing an embodiment of the invention of this application when performing
ID authentication and position authentication. FIG. 17 is a view for explaining the embodiment of
FIG. 16; FIG. 18 is a schematic view showing another embodiment of the invention of this
application when performing ID authentication and position authentication. FIG. 19 is a
schematic view showing still another embodiment of the invention of this application for
performing position authentication.
FIG. 20 is a schematic view showing an example in the case of using a spherical screen body. FIG.
21 is a schematic view showing an example in the case of using a Braun tube display. FIG. 22 is a
schematic view showing an example in the case of using a liquid crystal display. FIG. 23 is a
schematic view showing an example of using a plasma display. FIG. 24 is a schematic view
showing an example of using an electroluminescent display. 25 (a) and 25 (b) are schematic
views showing an example in the case of using a flat body and a spherical body light emitting
diode display, respectively. FIG. 26 is a schematic view showing an example of the case where an
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infrared light source is disposed above the top screen part. FIG. 27 is a schematic view showing
another example of the case where the infrared light source is disposed above the top screen
part. FIG. 28 is a schematic view showing an example of a pointer; FIG. 29 is a schematic view
showing an example of an image display surface. FIG. 30 is a schematic view showing another
embodiment of position authentication. FIG. 31 is a schematic view showing an example of a
three-dimensional screen body. [Description of the code] 1 image display device 11 screen means
12 image projection means 2 audio output device 21 modulation means 22 electromagnetic
wave irradiation means 3 audio reproduction terminal 31 conversion means 32 audio
reproduction means 33 ID transmission means 34 RFID tag 35 optical ID tag 35a Infrared light
source 35b ID storage means 35c Modulating means 36 Reflecting means 4 ID detection device
41 Reader writer 42 Infrared light sensor 5 Position detection device 51 Infrared light source 52
Infrared imaging means 53 Position detection means 100 Table shaped body 101 Top plate
screen part 102 Projector device 103 Projector body 104 Optical system 105 Image control unit
200 Infrared light source array 201 Infrared light source 202 Audio control unit 300 Earphone
301 Finger mounted terminal unit 302 Solar battery 303 RFID tag 304 Light D tag 305 reflective
sheet 400 ID authentication unit 401 reader writer 402 infrared sensor 500 position
authentication unit 501 infrared camera 502 infrared LED 503 touch panel 600 terminal user
700 spherical screen body 701 projector device 800 infrared light source 801 cathode ray tube
display 802 fluorescent screen 803 cathode ray tube 804 infrared ray Light source 805 Liquid
crystal display 806 Backlight source 807 Polarizing filter 808 Glass substrate 809 Transparent
electrode 810 Liquid crystal layer 811 Color filter 812 Glass substrate 813 Polarizing filter 814
Display surface 815 Infrared light source 816 Plasma display 817 Glass substrate 818 Address
electrode 819 Phosphor 820 Partition 821 Display electrode 822 Dielectric layer 823 Glass
substrate 824 Infrared light Source 825 Electroluminescent display 826 Glass substrate 827
Transparent electrode 828 Insulating layer 829 Emissive layer 830 Insulating layer 831 Glass
substrate 832 Infrared light source 833 Light emitting diode display 834 Light emitting diode
panel 835 Small LED 900 Indicator bar 901 Bar mounting terminal 902 Wire 903 Voice
Reproduction terminal 1000 hole 1100 three-dimensional screen 1101 projector device 1102
infrared light source
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