JP2002099353A - Music reproducing notebook-sized personal computer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a music reproducing notebook-sized personal computer(PC) capable of listening to music with attractive acoustics while watching images. SOLUTION: In a main body 10 of notebook-sized PC having a lid body 30 having a liquid crystal display 31 on the inner surface and having a keyboard 21 on the upper surface while internally providing a base 20 having a DVD video player 25 so as to open/close, a mid-range speaker/tweeter unit 40 and a woofer unit 50 for reproducing music are attachably and detachably provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a notebook personal computer, and more particularly, to a music reproducing notebook personal computer capable of listening to and enjoying music with powerful stereophonic sound (stereo) while watching images.

[0002]

2. Description of the Related Art A notebook personal computer has a large screen, a keyboard which is easy to hit, and has a thinness and lightness which can be used for a mobile use, while saving space in comparison with a desktop personal computer. In recent years, the functions have changed from basic ones such as word processing and spreadsheets to digital video, image, music editing and other AV (sound and video) related functions.
Communication-related software for use in a mobile environment has been enhanced. In this AV field, in particular, various DVDs (Digital Versatile Disks) for notebook computers have been developed by many manufacturers, and software for listening to music in stereo has emerged. As described above, the notebook computer is now changing from a tool for creating texts and tables using FD (Floppy Disk) or the like to a leisure tool for enjoying music while watching images on a DVD.
It is showing momentum to replace conventional boombox and stereo sets.

[0003]

However, the hardware of a notebook personal computer that plays back such software in the AV field, particularly the hardware that plays back music, is not always satisfactory. There has not yet been found a music playback notebook computer that can be heard with a rich, spacious sound, especially in the sense of hearing, with a powerful three-dimensional sound that emphasizes the low range compared to the middle and high range.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a music reproducing notebook personal computer capable of listening to music with attractive sound while watching images.

[Means for Solving the Problems]

[0005] The object of the present invention is to provide a notebook personal computer body in which a lid body having a display screen on the inner surface and a base body having input means on the upper surface and at least music reproducing means inside are provided so as to be openable and closable. The music reproducing notebook personal computer is characterized in that the medium and high frequency speaker device and the low frequency speaker device for reproducing the music are detachably provided.

Further, the object of the present invention is to provide a speaker device for middle and high frequency and a speaker device for low frequency each comprising a box body containing the speaker unit, and the box body is arranged in a thickness direction of the notebook personal computer body. This is achieved more effectively by a music reproducing notebook personal computer characterized by being provided so as to be scalable.

Further, the above object of the present invention is characterized in that a sound wave guide path for guiding sound waves from the speaker unit for bass to an opening end is provided inside a box of the speaker device for bass. Music playback is more effectively achieved by laptops.

Another object of the present invention is to provide a notebook personal computer in which a lid having a display screen on the inner surface and a base having an input means on the upper surface and at least a music reproducing means therein are provided so as to be openable and closable. In the main body, a middle and high-frequency speaker device for music reproduction is provided so as to be openable and closable with respect to an upper surface of the lid, and a low-frequency speaker device is fixed to a lower surface of the base. Achieved by playing laptops.

Still another object of the present invention is to provide a speaker device for a middle and high range comprising a pair of left and right boxes which are provided with a built-in speaker unit and which are provided so as to be expandable and contractible in a thickness direction of the notebook computer main body. The bass speaker device has the speaker unit at the innermost part,
This is achieved more effectively by a music reproducing notebook personal computer comprising a plurality of boxes that are sequentially drawn forward from the outermost side and forward to guide sound waves from the speaker unit to the opening end.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing an unused state of a music reproducing notebook personal computer (hereinafter referred to as "the present personal computer 1") according to an embodiment of the present invention, and FIG. 2 is a perspective view showing a used state. FIG. The personal computer 1, as shown in FIG.
In the personal computer body 10 in which the base body 20 and the lid 30 are provided so as to be openable and closable, a pair of left and right middle and high frequency speaker devices 40 having the same structure are provided on the upper surface side of the lid 30.
The speaker device 50 for bass is placed on the lower side of
1, the speaker devices 40 and 50 are pressed from above and below by the holder 11 and held by the personal computer body 10 when carried or not used.

The personal computer body 10 includes a base 20 and a lid 3.
0, a keyboard 21 as input means on the upper surface of the base 20, a DVD loading slot 22, an FD loading slot 23, and a carrying handle 24 at the front end. Inside is DV which is music playback means
Various information processing means including the D video player 25 are provided. On the other hand, the lid 30 is provided with a color liquid crystal display 31 as display means on its inner surface, and this inner surface is supported by a support shaft 26 provided at the back end.
The upper surface of the base 20 is opened and closed.

The mid-high pitch speaker device 40 is shown in FIG.
As shown in side sectional views in FIGS. 3A and 3B, three boxes 41 and 42 provided so as to be able to expand and contract in the thickness direction of the personal computer main body 10 (in the horizontal direction in FIGS. 3A and 3B). , 43 are provided with a speaker unit 44 for middle and high frequencies. The mid / treble speaker unit 44 has a caliber of 1
A known material smaller than 0 cm is used. Here Figure 3
FIG. 3A shows a case where these boxes are reduced.
Indicates a case where the box body is expanded and used (a cross-sectional view taken along the line AA in FIG. 2).

The box 41 is a front plate (a so-called baffle plate) 41.
a, the upper plate 41b, the lower plate 41c, and the left and right side plates 41d are formed in a box whose right side is opened. The front plate 41
A divergent opening 41h is opened above a substantially central portion in the width direction of a. Inside the opening 41h, a medium-high sound connected to a medium-high sound output source (not shown) built in the personal computer book 10 is provided. Speaker unit 44 is mounted, and a net plate 45 for dust protection and internal protection is mounted on the outside thereof.

The box 42 is formed in a frame-like box whose left and right directions are opened by an upper plate 42b, a bottom plate 42c, and left and right side plates 42d, and an outer surface of the upper plate 42b is formed by an upper plate 41b of the box 41. Similarly, the outer surface of the bottom plate 42c is provided so as to slide along the inner surface of the bottom plate 41c. The sliding distance is, as shown in FIG. 3B, the stoppers 41bs, 4
Regulated by 1cs.

The box 43 is formed as a box whose left side is opened by an upper plate 43b, a lower plate 43c, left and right side plates 43d, and a back plate 43e. Devices such as output terminals related to the installation of the speaker unit 44 are attached to the back plate 43e. The box 43 is provided so that the outer surface of the upper plate 43 slides along the inner surface of the upper plate 42b and the outer surface of the lower plate 43c slides along the inner surface of the lower plate 42c, similarly to the box 42. The sliding distance is regulated by the stoppers 42bs and 42cs.

The front plate 41a of the box 41 and the back plate 4 of the box 43
The outer dimension of 3e is set to approximately の of the lid 30,
Both are connected by a compression coil spring 46. The compression coil spring 46 presses the front plate 41a and the back plate 43e in the expanded state of FIG.
The spring force is set to such a degree that it can be contracted to the contracted state shown in FIG. 3A, and can return to the state shown in FIG.

The mid-treble speaker device 40 constructed as described above, when not in use or when being carried, is obtained by reducing the size of the boxes 41, 42, 43 as shown in FIG.
And a holder 11 placed on the upper surface of the C
Press and hold. Conversely, at the time of use, the holder 11 is detached and expanded for use as shown in FIG. Note that a box-shaped one in which a speaker unit is attached inside is called an enclosure in the art.

Here, as a material of each of the boxes 41, 42, 43 constituting the enclosure, natural wood,
A hard and heavy material that does not resonate at sound pressure, such as synthetic wood, plastic, or natural stone, is desirable. In the present embodiment, the density is high, the internal loss is large, resonance is difficult, and the sound Synthetic wood with low loss is used. This material is also used for an enclosure constituting a bass speaker device 50 described below.

Since the enclosure of the mid-high range speaker device 40 is made of such a hard and heavy material, the frequency radiated from the back of the speaker unit 44 is 300 Hz or more. The body is prevented from resonating and chattering called so-called box noise is generated, and when each box body is expanded, a large closed space is formed, so regardless of the type of speaker unit, A pure and straightforward tone can be obtained.
If necessary, by providing a sound-absorbing material made of a flexible cloth material or synthetic fiber inside the enclosure, this box noise can be further prevented.

Next, the bass speaker device 50 is shown in FIG.
As shown in FIG. 4 (a) in a front partial sectional view and FIG. 4 (b) in a plan sectional view (BB sectional view in FIG. 2 and FIG. 4 (a)),
Thickness direction of PC body 10 (vertical direction in FIG. 4A)
It is configured by an enclosure having a bass speaker unit 53 inside two boxes 51 and 52 which are provided to be able to expand and contract. A known speaker unit having a diameter smaller than 10 cm is used for the bass speaker unit 53. FIG. 4A shows a state in which these boxes are extended and used.

The box 51 is formed as a box whose upper part is opened by a front plate 51a, a lower plate 51c, left and right side plates 51d, and a back plate 51e. In addition, the front plate 51a is approximately 1
An opening 54a is provided by removing the / 4 portion.
As shown in FIG. 4B, partition plates 51r and 51s are separated from each other and extend in the direction of the back plate 51e at two central positions inside the front plate 51a.

As shown in FIGS. 4 (a) and 4 (b), the box 52 has an upper plate 52b and a front plate which is provided adjacent to the inner surface of each plate constituting the box 51. 52a, left and right side plates 52d, back plate 52e, partition plates 52r, 52s,
It is made in a box whose bottom is opened by 52t.
The front plate 52a is provided with an opening 54b by removing a substantially quarter portion on the front left side. A divergent opening 52h is formed in a substantially quarter portion on the front right side, and a bass output connected to a bass output source (not shown) built in the personal computer body 10 is provided inside the opening 52h. Speaker unit 53 is attached, and a mesh plate 55
Is attached. The box 52 thus formed is slidably fitted from above along the inner surface of the box 51, thereby forming an enclosed enclosure. The sliding distance is regulated by stoppers 51ds and 52ds protruding from the respective sliding surfaces of the side plates 51d and 52d.

Inside the enclosure, three partition plates 51r (52r), 51s (52s), 51t
By (52t), a spatial path Ya meandering in a plane direction as shown by an arrow Ya in FIG. 4B is formed, and the three-dimensional space Ya gradually increases toward the openings 54a and 54b. It is set by the partition plate.
In this space Ya, the sound pressure generated on the back of the bass speaker unit 53 is positively applied to the horn load and guided to the front openings 54a and 54b, and the frequency is 40 Hz to 30 Hz.
It has the function of a so-called back load horn system that allows reproduced sound in a low frequency range of about 0 Hz to be adapted to a wide space. The outer dimensions of the lower plate 51c of the box body 51 and the upper plate 52a of the box body 52 are set substantially the same as the base body 20,
Both are connected by a compression coil spring 56. The compression coil spring 56 can be pressed and reduced with the palm of the hand, as in the case of the mid-high range speaker device 40, and is set to such a degree that it expands naturally when the pressing is released. .

Since the enclosure of the bass speaker device 50 is made as described above, occurrence of chatter due to the sound pressure of the speaker unit 53 is prevented as in the case of the middle / treble speaker device 40. Needless to say, this sound wave is amplified gradually while being resonantly guided in the meandering long sound wave guide path and output to the outside, so it is possible to accurately detect solid bass without unpleasant distortion and sound cracking, especially heavy bass. Can be played. As described above, this effect can be further enhanced by providing a sound absorbing material inside as necessary.

As described above, the personal computer 1 is provided with the middle and high frequency speaker device 40 and the low frequency speaker device 50 detachably with respect to the personal computer body 10, so that when listening to music, each speaker device is used. 40, 50 can be detached from the PC main body 10 and freely placed in the most listenable place to listen. In addition, the speaker device 40 for middle and high frequency is arranged one by one on the left and right, and in the center, desirably below the position of the speaker device 40 for middle and high frequency,
By arranging, music can be heard in a well-balanced stereo.

Further, since the speaker device 40 for middle / treble sound and the speaker device 50 for bass sound are constituted by a box (enclosure) which can be expanded and contracted in the thickness direction of the personal computer body 10, it is enhanced by expanding it when used. It can reproduce treble and bass, and can be compactly held and stored when not in use or when carried.

In particular, since the bass speaker device 50 is constituted by an enclosure having a long meandering distance and a sound guide path having a large cross-sectional area, it is capable of accurately reproducing powerful bass sounds. Can be reproduced. As described above, according to the personal computer 1, it is possible to freely listen to the power of the large stereo device at a desired place despite its small size.

Although the content of the present invention has been described based on one embodiment, the present invention is not necessarily limited to the above-described embodiment, and various modifications can be made to the configuration. For example, the extent to which the personal computer body 10 is enlarged or reduced in the thickness direction can be freely changed depending on the number of boxes constituting the enclosure or the setting of the sliding distance of the boxes. In addition, it is not always necessary to make the middle and treble speaker device 40 a pair of right and left.
It is also possible to use a table. Furthermore, in the above-described embodiment, the holder 11 is used as a means for attaching and detaching the medium / treble speaker device 40 and the bass speaker device 50 to and from the personal computer main body 10. It is also possible to change to a fastener.

In particular, the following changes can be made to the bass speaker device 50, which is a main part of the present invention.
FIG. 5 shows a bass speaker device 5 according to the embodiment.
FIG. 9 is a side sectional view of the bass speaker device 60 adopting the back horn system in the height direction instead of 0. In the drawings, the same components as those in the above embodiment are denoted by the same reference numerals. This bass speaker unit 60
Is constituted by an enclosure having a bass speaker unit 53 inside two boxes 61 and 62 provided so as to be able to expand and contract in the thickness direction of the personal computer main body 10 (the vertical direction in FIG. 5).

The box 61 is formed in a box whose upper part is opened by a front plate 61a, a lower plate 61c, left and right side plates 61d, and a back plate 61e. The front of the front plate 61a (a surface viewed from the left side in FIG. 5). Is provided with a rectangular opening 63, and a partition plate 61r is provided on the inner side of the box 61 (in front of the back plate 61e).

The box 62 is formed in a box whose lower part is opened by a front plate 62a, an upper plate 62b, left and right side plates 62d, and a back plate 62e, and has an opening at a substantially central portion viewed from the front of the front plate 62a. 62h is opened, and the PC body 1 is
The low-frequency speaker unit 53 connected to a low-frequency output source (not shown) built in the microphone 0 has a mesh plate 55 provided outside thereof. Further, partition plates 62r, 62s, 62t are provided inside the box body 62. The box body 62 made like a piece is fitted from above so as to be movable along the inner surface of the box body 61, As a result, an enclosure whose inside is sealed is formed. The sliding distance is regulated by stoppers 61es, 62es and the like protruding from the sliding surfaces of the back plates 61e and 62e.

The inside of this enclosure is indicated by an arrow Y by the partition plates 61r, 62r, 62s and 62t.
As shown by b, a space path meandering in the height direction is formed, and the sound guide path is set by these partition plates so that the cross-sectional area of the space path Yb gradually increases toward the opening 63. Is provided. It is to be noted that the lower plate 61c of the box 61 and the upper plate 62 of the box 62 are connected by a compression coil spring 56 so that they are slid and expanded and contracted as in the previous embodiment. .

According to the bass speaker device 60 constituted by the enclosure made as described above,
Similarly to the bass speaker device 50, a horn load is positively applied to the sound pressure generated on the back of the speaker unit 53, and the sound is guided to the opening 63 through the guide path, so that the bass in the bass range is increased. It can reproduce attractive sounds with a certain depth.

The above invention relates to the case where the personal computer 1 is provided with the speaker device 40 for middle and high frequency and the speaker device 50 or 60 for low frequency so as to be detachable from the personal computer main body 10. As described below, the speaker device for the middle and high frequencies and the speaker device for the low sounds can be fixed to the personal computer body, respectively.

FIG. 6 is a perspective view showing a state in which a music reproducing notebook personal computer (hereinafter referred to as "the present personal computer 2") according to another embodiment of the present invention is not used, and FIG. It is a perspective view. In these drawings, the same components as those shown in the above embodiment are denoted by the same reference numerals.

As shown in FIG. 6, the personal computer 2 has a personal computer body 10 having the same structure as that of the above-described embodiment on the upper surface of the personal computer body 10 provided with a base 20 and a lid body 30 which can be opened and closed. A pair of middle and high frequency speaker devices 40 that can be expanded and contracted in the thickness direction of the base 20 are provided so as to be openable and closable, while a low frequency speaker device 70 is fixedly provided on the lower surface of the base 20.

A pair of left and right middle / treble speaker devices 40 includes:
One end is fixed to the outer surface of the side plate 41d, and the other end is the lid 3
Each of the speaker units 44 is opened outward through hinges 47 fixed to the side end surface 30d of the speaker unit 44, and in use, as shown in FIG. 7, the speaker unit 44 is opened facing the front. I have. A hook 48 is provided on the front end surface of the speaker device 40, that is, on the lower plate 41c, so as to be rotatable around a support shaft 48a. Pin 3
2 are protruding. The speaker device 40 is made in this way, and is closed and reduced when not in use or when carried, as shown in FIG. Rear hook 4
8 and the fixing pin 32. Conversely, when used, the lock is released and the liquid crystal display 31 is opened on both sides as shown in FIG.

On the other hand, as shown in a plan sectional view of FIG. 8, the bass speaker device 70 fixed to the lower surface of the base 20 has the bass It has a speaker unit 53, the front is open,
A plurality (four in the present embodiment) of boxes 71A, 71B, 71 that are sequentially pulled out stepwise from the outermost side
C, 71D. Each of these boxes
Similar to the above-described embodiment, the innermost box 71D made of a hard and heavy material,
It is slidably provided along the outer surface of a guide box 71G fixedly provided inside thereof, and thereafter, similarly, a box 71C is a box 71D, a box 71B is a box 71C, and a box 7B.
1A is slidably mounted along each outer surface of the box 71B. The sliding distance is regulated by a stopper (not shown) provided on each sliding surface. The box body 71 has a planar shape substantially the same as that of the base body 20, and its thickness dimension is set to 10 cm or less. As shown in FIG. 7, a dustproof door 72 is provided at the open end of the box 71 so as to be openable and closable about a support shaft 72a.

The bass speaker device 70 is constructed as described above. When the door 72 is opened and the outermost box 71A is pulled out, the boxes 71B, 71C, 71
D is pulled out. The draw-out distance can be freely changed depending on how many inner boxes are pulled out. By pulling out the plurality of boxes in this manner, an enclosure different from that of the above-described embodiment is formed. Inside this enclosure, an arrow Yc shown in FIG.
, A bass speaker unit 5 attached to the central back of the box 71.
A sound wave guide path is formed that guides sound waves emitted from the back of 3 toward the opening 71H of the outermost box 71A.

Therefore, according to the bass speaker device 70, the sound waves generated by the vibration of the diaphragm of the speaker unit 53 are transmitted in resonance in the long sound wave guide path, and are gradually amplified and output from the opening 71H. As in the case of the above-described embodiment, an attractive sound with a low-pitched tone can be reproduced.

Since the personal computer 2 is made as described above, in addition to being able to listen to an attractive sound in stereo, the speaker device 40 for middle and high pitches and the speaker device 70 for low tone are added to the personal computer body 10. Since they are connected and always integrated, there is no need to separately provide these binding devices. Furthermore, the speaker device 40
And 70 have the minimum dimensions in the thickness direction, so that the entire personal computer 2 is compact,
Easy to carry and store. In the case where the sound of the mid-high range is not given much importance in the personal computer 2, the mid-high range speaker device 40 does not necessarily need to be scalable, and the dimension in the thickness direction is set to a necessary minimum. An object may be provided on the lid 40 so as to be openable and closable.

[0043]

As described in detail above, according to the music reproducing notebook personal computer of the present invention, the personal computer body has a DVD.
By loading music playback software such as, it is possible to enjoy listening to stereo with powerful sound with enhanced bass without any unpleasant distortion or sound cracking while watching the image.

Also, the enclosures constituting the middle and high frequency speaker device and the low frequency speaker device can be expanded and contracted in the thickness direction, or the enclosure of the low frequency speaker device can be pulled out forward and the dimension in the thickness direction can be minimized. As a result, the music playback notebook computer can be carried or stored in a compact form.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an unused state of a music reproducing notebook personal computer according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state at the time of using the music reproducing notebook personal computer according to one embodiment of the present invention.

3A and 3B are side cross-sectional views of an embodiment of a mid-high range speaker device which is a main part of the present invention, wherein FIG. 3A is a view showing a reduced state, and FIG. 3B is an expanded state (FIG. 2). AA cross section)
FIG.

4 (a) is a side sectional view of an embodiment of a bass speaker device which is a main part of the present invention, and FIG. 4 (b) is a plan sectional view (BB sectional view of FIG. 2). is there.

FIG. 5 is a side sectional view of another embodiment of a bass speaker device that is a main part of the present invention.

FIG. 6 is a perspective view showing an unused state of a music reproducing notebook personal computer according to another embodiment of the present invention.

FIG. 7 is a perspective view showing a state when a music reproducing notebook personal computer according to another embodiment of the present invention is used.

8 is a sectional view taken along the line CC of FIG. 7;

[Explanation of symbols]

 1, 2 PCs 10 PC main body 11 Holder 20 Base 21 Keyboard 22 VDV loading port 23 FD loading port 24 Handle 25 DVD video player 30 Box 31 Liquid crystal display 32 Fixing pin 40 Mid / treble speaker device 41, 42, 43 Box 44 Speaker unit for medium and high pitches 45 Mesh plate 46 Compression coil spring 47 Hinge 48 Hook 50 Low frequency speaker device 51, 52 Box 53 Low frequency speaker unit 54a, 54b Opening 55 Mesh plate 56 Compression coil spring 60 Low frequency speaker device 61, 62 box Body 63 Opening 70 Bass speaker device 71 (A to G) Box 71H Opening

Claims (5)

[Claims] 1. A notebook personal computer body having a lid body having a display screen on the inner surface and a base body having input means on the upper surface and having at least a music playing means inside, which is provided to be openable and closable. A music reproducing notebook personal computer comprising a medium and high frequency speaker device and a low frequency speaker device for the same. 2. The mid-treble speaker device and the bass speaker device each comprise a box housing the speaker unit therein, and the box is provided so as to be expandable and contractible in the thickness direction of the notebook computer main body. The music reproducing notebook personal computer according to claim 1, wherein: 3. A sound guide path for guiding sound waves from the low-pitched speaker unit to an open end is provided inside a box of the low-pitched speaker apparatus. Music playback laptop. 4. A notebook personal computer body comprising a lid body having a display screen on an inner surface thereof and a base body having input means on an upper surface and having at least music playback means inside, which is openably and closably provided. And a low-frequency speaker device is fixed to a lower surface of the base while a mid-high frequency speaker device is provided so as to be openable and closable with respect to an upper surface of the lid. 5. The mid / treble speaker device includes a pair of left and right boxes provided with a built-in speaker unit and scalable in the thickness direction of the notebook computer main body. 5. A unit comprising a plurality of boxes having a unit at the innermost side and being sequentially drawn forward from the outermost side to guide sound waves from the speaker unit to an open end.
Music playback notebook computer described in.