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JP2003169161

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This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
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DESCRIPTION JP2003169161
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an
information processing terminal capable of automatically adjusting the direction of
photographing means and image display means, and more particularly to an information
processing terminal capable of transmitting and receiving an audio signal as well as an audio
signal.
[0002]
2. Description of the Related Art Conventionally, in a video telephone having a built-in camera or
the like in the telephone main body, a camera for photographing a speaker is provided integrally
with the device main body. A method of connecting an earphone microphone and a method of
using a hands free function have been used.
[0003]
In the method of connecting the earphone microphone to the device body using a cable, the
speaker can move only within the range of the cable length.
In addition, handling is also inconvenient because the cable may be entangled or broken. On the
other hand, in the method using the hands-free function, when the distance between the speaker
and the device body becomes wide, not only the microphone built in the device body becomes
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difficult to detect the speaker's voice, but the speaker emits a large volume. There is a possibility
that a third party may hear the contents of the call. As described above, the conventional
videophone terminal has many restrictions during a call.
[0004]
Also, in the conventional video telephone, the caller moves to an appropriate position in order to
place the caller's face in the center of the shooting range of the camera or to view the image
displayed on a display or the like at an optimum angle. I needed to move the phone body. In
other words, the speaker was forced to move despite being in a call, or it was necessary to adjust
the orientation of the camera or display.
[0005]
As a prior art aiming to reduce the labor of the caller, there is a "video telephone apparatus"
disclosed in Japanese Patent Application Laid-Open No. 5-14881 (hereinafter referred to as cited
document 1). In this conventional technology, the position of the handset is specified by
receiving wireless signals transmitted from cordless handsets by two antennas provided in the
master, and the shooting direction is adjusted by pointing the camera at that position. There is.
Another example is a "cordless video telephone" disclosed in Japanese Patent Application LaidOpen No. 5-252508 (hereinafter referred to as cited document 2). In this prior art, the master
detects the direction in which the cordless slave is present, and the display surface of the display
device is made to face the direction. Alternatively, the "telephone device" disclosed in Japanese
Patent Application Laid-Open No. 6-311508 (hereinafter referred to as cited document 3) may be
mentioned. In this prior art, the telephone main body analyzes the position of the handset using
the position signal transmitted from the handset, and controls the direction of view of the camera
based on the analysis result.
[0006]
However, according to the invention disclosed in Reference 1 or Reference 3, although the
speaker does not have to adjust the shooting direction of the camera, the display direction of the
display device is Needs to be adjusted accordingly. Further, according to the invention disclosed
in the above cited reference 2, although the speaker does not need to adjust the display direction
of the display device, it is necessary to appropriately adjust the shooting direction of the camera.
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2
Thus, the inventions disclosed in the above cited documents each have room for further
improvement in order to reduce the effort of the caller.
[0007]
The present invention has been made in view of such problems, and an object of the present
invention is to provide an information processing terminal in which there is no need to adjust the
directions of the photographing means and the image display means during use.
[0008]
In order to achieve the above object, according to a first aspect of the present invention, a
photographing display member capable of pointing in any direction, with the photographing
means and the image display means facing the same direction An information processing
terminal having a terminal body provided with the above and a slave unit connected to the
terminal body by wireless communication, and the terminal body analyzes the wireless signal
from the slave unit to specify the position of the slave unit An information processing terminal
comprising: position analysis means for acquiring information on position information; and
means for changing the direction of the photographing display member based on the position
information to make the photographing means and the display means face the slave unit. It is
According to the above configuration, the orientations of the photographing means and the
image display means are controlled to always face the child device, and it is not necessary to
adjust the directions of the photographing means and the image display means, thereby reducing
the labor of the user. Further, by providing the imaging unit and the image presentation unit on
the same member, only one system for changing the direction of these components needs to be
provided, so that the information processing terminal can be reduced in size and weight.
[0009]
Further, in order to achieve the above object, according to a second aspect of the present
invention, a photographing display member arranged so that the photographing means and the
image display means face the same direction and can be directed in any direction, and
communication with an external device An information processing terminal having a terminal
body provided with means for performing, and a slave unit connected to the terminal body by
wireless communication, wherein the terminal body analyzes a radio signal from the slave unit
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and Information processing characterized by position analysis means for specifying a position
and acquiring position information, and means for changing the direction of the photographing
display member based on the position information to make the photographing means and the
display means face the slave unit. It provides a terminal. According to the above configuration,
since it is not necessary to adjust the directions of the imaging means and the image display
means during communication, the labor of the user can be reduced.
[0010]
Further, to achieve the above object, according to a third aspect of the present invention, in the
second aspect of the present invention, the terminal main body transmits means for transmitting
an audio signal received from an external device to a child device, A means for displaying on the
video display means a video according to the video signal received from the device; and a means
for transmitting to the external device at least one of an audio signal received from the slave unit
and a video signal generated by the photographing means. The portable telephone further
comprises means for converting a sound signal received from the terminal body into sound and
emitting the sound, and means for converting the collected sound into sound signal and
transmitting the sound signal to the terminal body. Provide an information processing terminal.
According to the above configuration, it is not necessary to adjust the directions of the imaging
unit and the image display unit during communication with the external device. In addition, the
audio signal received from the external device is restored to voice by the slave unit and
reproduced, and the voice collected by the slave unit is converted to an audio signal and
transmitted to the external device. A convenient videophone function can be realized by making a
call.
[0011]
Further, to achieve the above object, according to a fourth aspect of the present invention, in the
first aspect of the present invention, the terminal main body further includes a voice received by
the communication device connected to the terminal main body from an external device. From
the means for acquiring the signal and the video signal, the means for transmitting the audio
signal acquired from the communication device to the slave device, the means for displaying the
video according to the video signal acquired from the communication device on the video display
means Means for causing the communication device to transmit at least one of the received
audio signal and the video signal generated by the imaging means to the external device, and the
handset further converts the audio signal received from the terminal main body into audio An
information processing terminal comprising: means for converting and emitting the sound; and
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means for converting collected voice into an audio signal and transmitting it to the terminal main
body. According to the above configuration, when communicating with an external device
through the communication device connected to the terminal main body, it is not necessary to
adjust the directions of the imaging unit and the image display unit. Further, as in the third
aspect of the present invention, a convenient videophone function can be realized by making a
call with an external device using a slave unit.
[0012]
In the third aspect or the fourth aspect of the present invention, preferably, the position analysis
means analyzes the audio signal received from the child device to acquire position information.
According to the above configuration, since the terminal body can specify the position of the
slave unit using the voice signal, it is not necessary to separately provide the slave unit with
means for transmitting a signal for detecting the position of the slave unit.
[0013]
Further, in any aspect of the present invention, it is preferable that the wireless communication
between the terminal main body and the slave unit be communication by radio waves. According
to the above configuration, even if an object is present between the terminal body and the slave
unit, the terminal body can specify the position of the slave unit.
[0014]
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [First Embodiment] FIG. 1 shows
the appearance of a foldable portable telephone terminal according to a first embodiment in
which the information processing terminal according to the present invention is suitably
implemented. This mobile phone terminal has a telephone body and an earphone microphone,
which are connected by radio communication. Further, the telephone set main body includes the
operation unit 10 and the display unit 20, and at the connection portion thereof, a pivot 30
serving as a rotation center when folding the telephone set main body is provided. The
connecting portion is further provided with a pivot 40 which is orthogonal to both the pivot 30
and the display direction of the display 22 and is the rotation center of the display unit 20. The
camera 21 and the display 22 are disposed in the same direction. In other words, the shooting
direction of the camera 21 and the direction in which the display 22 displays an image are the
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same direction.
[0015]
FIG. 2 shows a functional configuration of the mobile phone terminal according to the present
embodiment. The operation unit 10 includes a telephone function unit 11, a control unit 12, a
signal transmission / reception unit 13, a direction control unit 14, a handset antenna 15, and a
base station antenna 16. The telephone function unit 11 manages a known function as a mobile
phone, and communicates with the base station via the base station antenna 16. The control unit
12 controls the telephone main body. For example, the signal received from the earphone
microphone is analyzed to specify the position of the earphone microphone, and the amount of
rotation of pivots 30 and 40 required to make the earphone microphone face the display unit 20
is calculated. Further, the direction control unit 14 is instructed to rotate the pivots 30 and 40 to
make the earphone microphone and the display unit 20 face each other. Alternatively, it causes
the camera 21 to capture the video of the user, or causes the display 22 to display the video
received from the other party's device. The signal transmission / reception unit 13 performs
wireless communication with the earphone microphone via radio waves via the handset antenna
15. The direction control unit 14 rotates the pivots 30 and 40 by the amount of rotation
instructed from the control unit 12 to make the display unit 20 face the earphone microphone. A
motor or the like can be applied to the direction control unit 14. The base station antenna 16 is
an antenna for communicating with the base station. The display unit 20 has a camera 21 and a
display 22. The camera 21 captures a video of the user and generates a video signal. The display
22 displays the video received from the other party's device and presents it to the user. The
earphone microphone has a signal transmission / reception unit 71, an A / D conversion unit 72,
a microphone 73, a control unit 74, a D / A conversion unit 75, an earphone 76, and an antenna
77. The signal transmission / reception unit 71 performs wireless communication by radio waves
with the telephone main body via the antenna 77. The A / D converter 72 modulates the audio
signal input from the microphone 73 from an analog signal to a digital signal. The microphone
73 is a device that collects voice uttered by the user and converts it into a voice signal. The
control unit 74 is a functional unit that controls each unit of the earphone microphone. The D / A
converter 75 demodulates the voice signal received from the telephone main body from a digital
signal to an analog signal. The earphone 76 is a device that restores a voice signal to voice by
means of a sounding element such as a speaker, and reproduces the voice of the other party in
the ear of the caller. The antenna 77 is an antenna for performing radio wave communication
with the telephone main body.
[0016]
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The operation of the mobile phone terminal according to the present embodiment will be
described. When the signal transmitting / receiving unit 13 receives a signal from the earphone
microphone during a call (step S101), the control unit 12 analyzes the signal and specifies the
position of the earphone microphone (step S102). A known technique can be applied to the
method of analyzing the received signal to specify the position of the earphone microphone. If it
is determined that the earphone microphone is present at a position not facing the display unit
20, the control unit 12 determines that the orientation of the display unit 20 needs to be
adjusted (step S103 / Yes), and pivots 30 and 40 And instructs the direction control unit 14 to
make the earphone microphone and the display unit 20 face each other. The direction control
unit 14 rotates the pivots 30 and 40 in accordance with the command from the control unit 12
to make the display unit 20 face the earphone microphone (step S104). On the other hand, when
the earphone microphone is specified to be present at a position facing the display unit 20, the
control unit 12 determines that it is not necessary to adjust the orientation of the display unit 20
(Step S103 / No).
[0017]
Thereafter, when the call is continued (step S105 / No), the process proceeds to step S101, and
the same process is repeatedly executed until the call is completed.
[0018]
As described above, according to the mobile phone terminal of the present embodiment, the user
monitors the position of the camera 21 and the display 22 during a call because the telephone
main body monitors the position of the earphone microphone and adjusts the direction of the
display unit. There is no need to adjust.
Further, since the telephone main body and the earphone microphone are connected by radio
wave communication, the user can freely move without being restricted by the cable.
[0019]
Second Embodiment FIG. 4 shows the appearance of a notebook computer terminal according to
a second embodiment of the present invention, which is a videophone system according to the
present invention. In this notebook computer terminal, a computer main body and an earphone
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microphone are connected by radio wave communication. Further, the computer main body
includes the operation unit 100 and the display unit 200, and a connecting shaft thereof is
provided with a pivot 300 serving as a rotation center when the computer main body is folded.
The connecting portion is further provided with a pivot 400 which is orthogonal to both the
pivot 300 and the display direction of the display 202, and is the rotation center of the display
unit 200. The camera 201 and the display 202 are arranged in the same direction. In other
words, the shooting direction of the camera 201 and the direction in which the display 202
displays an image are the same direction.
[0020]
FIG. 5 shows a functional configuration of the notebook computer terminal according to the
present embodiment. The operation unit 100 includes a communication unit 101, a control unit
102, a signal transmission / reception unit 103, a direction control unit 104, and a slave antenna
105. The communication unit 101 performs communication via a public network. The control
unit 102 controls the computer main body. For example, the signal received from the earphone
microphone is analyzed to specify the position of the earphone microphone, and the amount of
rotation of the pivots 300 and 400 required to make the earphone microphone face the display
unit 200 is calculated. Furthermore, the direction control unit 104 is instructed to rotate the
pivots 300 and 400 to make the earphone microphone and the display unit 200 face each other.
Alternatively, it causes the camera 201 to capture the video of the user, or causes the display
202 to display the video received from the device on the other end of the call. The signal
transmission / reception unit 103 is a functional unit that performs wireless communication with
the earphone microphone via the antenna 105 by radio waves. Direction control unit 104 rotates
pivots 300 and 400 by an amount of rotation instructed from control unit 102 to make display
unit 200 face the earphone microphone. A motor or the like can be applied to the direction
control unit 104. The antenna 105 is an antenna for performing radio wave communication with
the earphone microphone. The display unit 200 has a camera 201 and a display 202. The
camera 201 captures a video of the user and generates a video signal. The display 202 displays
the video received from the other party's device and presents it to the user. The earphone
microphone has a signal transmission / reception unit 71, an A / D conversion unit 72, a
microphone 73, a control unit 74, a D / A conversion unit 75, an earphone 76, and an antenna
77. The signal transmission / reception unit 71 performs wireless communication with the
computer main body via radio waves via the antenna 77. The A / D converter 72 modulates the
audio signal input from the microphone 73 from an analog signal to a digital signal. The
microphone 73 is a device that collects voice uttered by the user and converts it into a voice
signal. The control unit 74 is a functional unit that controls each unit of the earphone
microphone. The D / A conversion unit 75 demodulates the audio signal received from the
computer main body from a digital signal to an analog signal. The earphone 76 is a device that
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restores a voice signal to voice by a speaker or the like, and emits voice of the other party in the
ear of the caller. The antenna 77 is an antenna for performing radio wave communication with
the computer main body.
[0021]
Since the functional configuration of the computer terminal according to the present
embodiment is equivalent to that of the first embodiment, it is apparent that the same processing
as the operation flow shown in FIG. 3 can be performed.
[0022]
Each of the above-described embodiments is an example of a preferred embodiment of the
present invention, and the present invention is not limited to these.
For example, in each of the above embodiments, the orientation of the display unit is changed
using the two-axis hinge mechanism to face the earphone microphone, but the display unit and
the terminal body (or computer body) may be flexible such as a flexible arm May be connected
and curved to control the orientation of the display unit. Alternatively, the display unit and the
terminal body may be connected using a ball joint. Moreover, in each said embodiment, although
communication with an earphone microphone is performed by radio wave communication, it is
also possible to apply infrared communication. Furthermore, in the second embodiment, the
computer main body need not necessarily have the communication function, and the
communication device may be externally attached. Thus, the present invention can be variously
modified.
[0023]
As apparent from the above description, according to the present invention, since it is not
necessary to adjust the orientation of the photographing means and the image display means
during use, the labor of the user can be reduced. Further, by installing the image display means
and the photographing means on the same member, only one system for changing the direction
is required, so that the information processing terminal can be made smaller and lighter.
[0024]
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Brief description of the drawings
[0025]
<Figure 1> It is the figure which shows the appearance of the folding portable telephone terminal
due to the 1st execution form which desirably executes the information processing terminal
concerning this invention.
[0026]
2 is a block diagram showing a functional configuration of the mobile telephone terminal
according to the first embodiment.
[0027]
3 is a block diagram showing the flow of operation of the mobile phone terminal according to the
first embodiment.
[0028]
<Figure 4> It is the figure which shows the appearance of the note type computer terminal due to
the 2nd execution form which desirably executes the information processing terminal concerning
this invention.
[0029]
5 is a block diagram showing a functional configuration of a notebook computer terminal
according to the second embodiment.
[0030]
Explanation of sign
[0031]
10, 100 operation unit 11 telephone function unit 12, 74, 102 control unit 13, 71, 103 signal
transmission / reception unit 14, 104 direction control unit 15 105 slave unit antenna 16 base
station antenna 20, 200 display unit 21, 201 camera 22, 202 display 30, 40, 300, 400 pivot 72
A / D converter 73 microphone 75 D / A converter 76 earphone
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