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JP2004046829

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This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
financial decisions, should not be based on machine-translation output.
DESCRIPTION JP2004046829
To provide an electronic device capable of audio output full of sense of reality. A personal
computer includes an apparatus main body, and an openable / closable display unit 16 and a
keyboard 12 are provided on the upper surface of the apparatus main body. Behind the
keyboard, a pair of speakers 20 are provided on both side surfaces of the device body. [Selected
figure] Figure 1
Electronics
TECHNICAL FIELD [0001] The present invention relates to an electronic device such as a
personal computer. 2. Description of the Related Art As an electronic device, for example, a
portable personal computer has a flat rectangular main body, a keyboard as input means
provided on the upper surface of the main body, and an openable / closable upper surface of the
main body. And a display unit provided. In recent years, as personal computers of this type, those
having a pointing device capable of moving a cursor displayed on a display unit in free directions
such as up, down, left, right and diagonally as input means are widely used. There is. The
operation button of the pointing device is provided at the center of the keyboard or at an armrest
located in front of the keyboard. On the other hand, the keyboard used as the main input means
is usually formed flat. Further, in recent years, there has been provided a personal computer
which is provided with a speaker provided on the back or side of the main body, and which can
output various voices such as BGM and operation guide through the speaker. The display unit is
attached to the upper surface of the main body via a hinge, and is configured to be pivotable
between a closed position covering the keyboard and an open position opening the keyboard.
Then, when the personal computer is not used or carried, the display unit is pivoted to the closed
position and locked to the closed position by the latch mechanism. The latch mechanism
generally includes a latch claw provided on the front end side of the display unit, and an
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engagement portion provided similarly on the front end of the main body and engaged with the
latch claw. ing. Furthermore, in recent years, personal computers provided with a display unit
configured to be removable from the main body have also been provided. However, in the
conventional personal computer configured as described above, since the keyboard or pointing
device used as the input means is attached to the main body of the device, the personal computer
can not be used as a personal computer. It is inconvenient in some cases because the computer
can not be operated remotely. Also, conventionally, only one speaker used for audio output is
provided on the side or the back of the device body, so it has been difficult to output an audio full
of realism.
The present invention has been made in view of the above points, and an object thereof is to
provide an electronic device capable of audio output full of sense of reality. In order to achieve
the above object, an electronic device according to an aspect of the present invention comprises:
a device body having an upper surface and a pair of side surfaces; and a keyboard provided on
the upper surface of the keyboard. A display unit connected to the device body at the rear of the
keyboard and movably provided between a closed position covering the keyboard and an open
position for opening the keyboard; And a pair of speakers provided on both side surfaces.
According to another aspect of the present invention, there is provided an electronic apparatus
comprising: an apparatus body having an upper surface and a pair of side surfaces; a keyboard
provided on the upper surface of the keyboard; A display unit provided so as to be movable
between a closed position for covering and an open position for opening the keyboard, and a
display unit provided on both side surfaces of the device main body, and a part of each of them
wraps around the upper surface of the device main body And a pair of provided speakers.
According to the electronic device configured as described above, the pair of speakers is
provided on both side surfaces of the device body. Therefore, audio can be output in stereo using
these speakers, and audio output full of sense of reality can be achieved. BEST MODE FOR
CARRYING OUT THE INVENTION Hereinafter, an embodiment in which the present invention is
applied to a portable personal computer will be described in detail with reference to the
drawings. As shown in FIG. 1, the portable personal computer is provided with a flat rectangular
box-like device main body 10, and the upper surface central portion of the device main body is
an input means extending substantially over the entire length in the left-right direction. Keyboard
12 is provided. The front portion of the keyboard 12 on the upper surface of the device body 10
forms an arm rest portion 14 on which the palm of the operator's hand can be placed when
performing a key input operation of the keyboard 12. Further, on the upper surface of the device
body 10, the connecting portion 18 of the display unit 16 is detachably attached to the rear of
the keyboard 12. Furthermore, at the rear of the keyboard 12, speakers 20 for audio output are
respectively provided at the rears of both side surfaces of the device body 10. Each of the
speakers 20 is exposed to the side surface of the device body 10, and a part of the speaker 20
wraps around to the upper surface side of the device body 10, and is exposed and provided on
the upper surface of the device body.
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Next, the configuration of each part of the personal computer will be described in detail. First, as
shown in FIG. 1 and FIG. 2, the keyboard 12 is formed in a rectangular shape in a plan view, As it
is, it is curved and formed in the shape of a circular arc so that a center part may become high
and a side edge may become low. As can be clearly seen from FIG. 1 (b), at the central portion of
the armrest portion 14, there is formed a housing portion 22 consisting of a substantially
rectangular recess opened on the upper surface and the front surface of the device body 10. A
remote control unit 24 having substantially the same shape as the storage unit is detachably
mounted to the storage unit 22. In the remote control unit 24, a pointing device, a power supply,
a circuit board, a transmission circuit, and the like (not shown) are incorporated. Further, on the
upper surface of the remote control unit 24, a disc-like operation button 26 of the pointing
device, a ten key 28 as an operation key, a confirmation key 29, a volume adjustment key 30,
and the like are provided. On the rear surface of the remote control unit 24, as a transmission
unit, an infrared transmission unit 32 for transmitting input signals according to the operation of
the operation button 26 and various operation keys is provided, and at the bottom of the storage
unit 22, As a receiving unit, an infrared light receiving unit 34 that receives a transmission signal
from the infrared transmission unit 32 is provided. When the remote control unit 24 is attached
to the storage portion 22 of the device body 10, the operation button 26 and various operation
keys are exposed on the upper surface of the armrest portion 14 and can be operated as an input
unit together with the keyboard 12. It has become. In addition, even when the remote control
unit 24 is removed from the storage unit 22 and the operation button 26 and various operation
keys are operated at a location away from the device main body 10, the signal corresponding to
the input operation is an infrared transmitting unit 32. And to the infrared light receiving unit 34
and input to the device main body 10. Therefore, the remote control unit 24 can be used to
remotely perform certain input operations. As shown in FIG. 1 to FIG. 3, the display unit 16
which can be detached from the device body 10 is a display via a rectangular display body 38
incorporating a liquid crystal display panel 36 and a hinge 40 And a substantially rectangular
connecting portion 18 rotatably connected to the main body 38. The display unit 16 is attached
to the device body by connecting the connecting portion 18 to the device body 10, and the liquid
crystal display opens the closed position covering the keyboard 12 and the remote control unit
24, and opens the keyboard 12 and the remote control unit 24. It is possible to turn between an
open position enabling input operation while looking at the panel 36.
The inner surface of the display body 38 is slightly curved along with the curvature of the
keyboard 12. A connector 42 is disposed in the connecting portion 18, and the connector 42 is
connected to a liquid crystal display panel through a cable (not shown) extending in a cable guide
43 provided between the connecting portion 18 and the display main body 38. It is electrically
connected to 36. In addition, a rectangular engagement recess 44 is formed on the rear surface
of the connection portion 18. On the other hand, as shown in FIG. 2, FIG. 4 and FIG. 5, a
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connection port 45 is formed on the upper surface of the device main body 10 at the rear of the
keyboard 12. The connection port 45 is formed substantially in the same shape as the crosssectional shape of the connection portion 18 of the display unit 16, and the connection portion
18 can be inserted. Then, when the connecting portion 18 is inserted into the connection port
45, the connector 42 in the connecting portion 18 is connected to the connector 46 provided in
the device body 10, and the display unit 16 is mechanically and electrically connected to the
device body. Ru. A shutter 50 for opening and closing the connection port 45 is rotatably
attached to the device body 10, and is biased toward the closed position by a torsion spring 52.
Therefore, the shutter 50 is held in the closed position by the torsion spring 52 in a state in
which the display unit 16 is removed from the device body 10, that is, in a state in which the
connecting portion 18 of the display unit is pulled out from the connection port 45 Block 45
Further, when the connecting portion 18 of the display unit 16 is inserted into the connection
port 45, the shutter 50 is pushed by the connecting portion 18 and pivoted downward to open
the connection port 45. Further, the device body 10 is provided with a stopper member 54 for
locking the display unit 16 connected to the device body in a connected manner. The stopper
member 54 is slidably attached to the device main body 10 between a locking position where its
tip 54 a protrudes into the connection port 45 and a release position where it is retracted from
the connection port 45, and the device main body And a tension spring 56 installed between
them to bias the locking position. As shown in FIG. 5A, when the connecting portion 18 of the
display unit 16 is pulled out from the connection port 45, the stopper member 54 is engaged by
the abutment of its front end 54a with the shutter 50. It is held in position. Further, when
connecting the connecting portion 18 of the display unit 16 to the connection port 45 and
connecting it, the stopper member 54 is moved by the operator against the biasing force of the
tension spring 56 to the release position, and the connecting portion 18 Is inserted into the
connection port 45 and then moved to the locking position by the tension spring 56 when the
operator releases the hand.
As a result, as shown in FIG. 5B, the tip end 54a of the stopper member 54 is fitted into the
engagement recess 44 of the connecting portion 18, and the connecting portion 18 is locked in
the connection position. The display unit 16 is configured to include a locking mechanism 60
that locks the display body 38 in the closed position. The configurations of the lock mechanism
60 and the hinge portion 40 will be described below with reference to FIGS. 3, 6 and 7. The
display unit 16 has a hollow leg 62 projecting from a central lower end of the display body 38,
and the leg 62 is disposed in a recess 64 formed in the upper end of the connecting portion 18.
The hinges 40 are a pair of hinge shafts 66 provided in the connecting portion 18 and a pair of
support brackets 68 provided in the legs 62 of the display unit 16 and rotatably supported by
the hinge shafts 66. And have. The hinge shaft 66 is screwed to the inner surface of the
connecting portion 18 and is fixed to a pair of brackets 70 located on both sides of the recess 64.
The pair of hinge shafts 66 are arranged coaxially with each other, and each project into the leg
62 through the recess 64. An axially extending engaging groove 72 as an engaging portion is
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formed on the outer peripheral surface of the extension end portion of each hinge shaft 66, and
is positioned at a predetermined angular position. The pair of support brackets 68 are screwed
and fixed to bosses 74 provided on the inner surface of the leg portion 62 so as to project
therefrom. The leg portion 62 is rotatably supported along with the support bracket by inserting
the pair of hinge shafts 66 into the through holes 68 a formed in the support bracket 68. In
addition, between each support bracket 68 and the hinge shaft 66, a spring washer 75 wound
around the hinge shaft is interposed. The friction between the spring washer 75 and the support
bracket 68 and the hinge shaft 66 can hold the display main body 38 at an arbitrary rotational
position with respect to the connecting portion 18. On the other hand, the lock mechanism 60
includes a slide plate 76 engageable with the engagement groove 72 of the hinge shaft 66, and
an operation knob 78 for operating the slide plate 76 from the outside of the display unit 16. It is
configured. Specifically, the slide plate 76 is formed in a flat plate shape having a pair of
projections 76 a that project in parallel, and is formed by a pair of guide pins 80 and a pair of
guide projections 81 that are provided on the inner surface of the display body 38. The inner
surface of the display body and the inner surface of the leg 62 are slidably guided.
In particular, the sliding range of the slide plate 76 is a locking position in which the tips of the
pair of projections 76a abut on the outer peripheral surfaces of the pair of hinge shafts 66 by the
elongated holes 76b engaged with the guide pins 80; The distal end of the hinge shaft 66 is
defined between a release position spaced apart from the distal end outer peripheral surface of
the hinge shaft 66. A recess 82 is formed on the outer surface of the leg 62, and the operation
knob 78 is slidably disposed in the recess 82. The operation knob 78 has a connecting claw 84
extending through the wall surface of the leg 62 into the leg, and the connecting claw is
connected to the slide plate 76. Therefore, by sliding the operation knob 78, the slide plate 76
can be switched between the lock position and the release position from the outside of the
display unit 16. As shown in FIG. 7, when the display main body 38 is turned to the closed
position at which the display main body 38 is perpendicular to the connecting portion 18, the
engaging grooves 72 formed on the outer peripheral surface of the tip end portion of each hinge
shaft 66 The slide plate 76 is formed at an angular position opposite to the tip of the protrusion
76a. Therefore, by sliding the slide plate 76 from the release position to the lock position by the
operation knob 78 after the display body 38 is pivoted to the closed position, the tips of both
projections 76 a of the slide plate are engaged recesses 72 of the hinge shaft 66. To each fit.
Accordingly, the rotation of the hinge portion 40 is restricted, that is, the rotation of the support
bracket 68 with respect to the hinge shaft 66 is restricted, and the display body 38 is locked in
the closed position. The pair of speakers 20 is provided so as to be exposed on the side surface of
the device body 10, respectively. Then, even when the display main body 38 is moved to the
closed position, most of the speakers 20 are maintained in the state of being exposed outside the
device main body without being covered by the display main body 38. According to the personal
computer configured as described above, since the remote control unit 24 is detachably mounted
on the storage unit 22 of the device main body 10, the remote control unit is removed from the
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storage unit. When the operation button 26 or the operation key of the pointing device is
operated, an input signal is transmitted from the infrared transmission unit 32 of the remote
control unit to the infrared light receiving unit 34 of the device body, and is input to the device
body. Therefore, by using the remote control unit 24, it is possible to remotely perform certain
input operations, and the operability of the personal computer can be significantly improved.
Further, since the pair of speakers 20 is provided on both side surfaces of the device body 10,
audio can be output in stereo from these speakers, and audio output full of sense of reality
becomes possible. The keyboard 12 provided on the upper surface of the device main body 10 is
curved in a circular arc shape so that the center part is high and the both sides are low.
Therefore, when performing key input operation using the keyboard, it is necessary to twist the
wrist It is possible to reduce the degree of fatigue even in long-term use. In addition, in the case
of being curved in an arc shape, the bending strength of the keyboard alone is improved, so that
the number of rims, bosses, etc. for supporting the keyboard can be reduced, and the
configuration can be simplified and the manufacturing cost It is possible to reduce the According
to the personal computer configured as described above, the display unit 16 is locked at the
closed position by restricting the turning of the hinge unit 40 by the lock mechanism 60 while
the display unit 16 is turned to the closed position. By providing the lock mechanism 60 in the
vicinity of the hinge portion 40, there is no need to provide the latch claw at the front end of the
display unit 16 and the engagement portion at the front end of the device body 10 as in the prior
art. And when the display unit is opened, the aesthetic appearance can be improved. Further,
according to the personal computer, the display unit 16 is configured to be removable from the
device body 10, and when the display unit is removed, the connection port 45 of the device body
10 is closed by the shutter 50. Ru. Therefore, the connection connector and the connection
mechanism in the device body 10 are not exposed to the outside through the connection port 45,
so that the appearance can be improved and intrusion of dust, dirt, etc. into the device body can
be prevented. . The present invention is not limited to the above-described embodiment, and
various modifications can be made within the scope of the present invention. For example, the
remote control unit 24 is not limited to one provided with a pointing device, ten keys, etc., but
may be configured with an operation key provided with another input function and an operation
member. In the above embodiment, the hinge portion is configured by combining the fixed hinge
shaft and the pivotable support bracket, but is configured by combining the stationary support
bracket and the pivotable hinge shaft May be In this case, the locking mechanism can be
configured to engage with an engaging portion formed on the support bracket.
Further, in the present invention, the display unit is not limited to the detachable type, and a
fixed type may be used. In this case, the slide plate and the operation knob of the lock
mechanism may be provided in the vicinity of the hinge at the rear end of the device body, and
even with such a configuration, the same effects as those of the embodiment described above can
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be obtained. . As described above in detail, according to the present invention, it is possible to
provide an electronic device capable of audio output full of sense of realism. BRIEF DESCRIPTION
OF THE DRAWINGS FIG. 1 is a perspective view showing a portable personal computer according
to an embodiment of the present invention. FIG. 2 is a perspective view of the personal computer
with the display unit removed. FIG. 3 is a perspective view of the display unit. FIG. 4 is a
perspective view showing a connection port and a shutter of the personal computer. 5 (a) is a
cross-sectional view showing a state in which the shutter is closed, and FIG. 5 (b) is a crosssectional view showing a state in which the display unit is connected and the shutter is open. FIG.
6 is a cross-sectional view showing a hinge portion and a lock mechanism of the display unit. FIG.
7 is a cross-sectional view showing the release operation and the lock operation of the lock
mechanism. [Description of the code] 10: Device main body 12: Keyboard 14: Armrest portion
16: Display unit 18: Coupling portion 20: Speaker 22: Storage portion 24: Remote control unit
38: Display main body 40: Hinge portion 45: Connection port 50 ... Shutter 60 ... locking
mechanism 66 ... hinge shaft 68 ... support bracket 72 ... engagement recess 76a ... projection 76
... slide plate 78 ... operation knob
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