JP2002189530A - Portable information processor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable information processor capable of arranging a speaker in a limited arrangement space, and improving the sound quality and output of a speaker. SOLUTION: A speaker 5 is mounted on a shield plate 4 supporting a keyboard 3, and in addition preventing the external radiation of electromagnetic waves from the inner part of a main body part 1 of the information processor. The speaker 5 is adhered through an elastic body 7 to the shield plate 4, and the shield plate 4 having a wide area for supporting the keyboard 3 and for shielding is allowed to act as the pre-and-post separating plates of the speaker 5 so that almost the whole space of the inside part of the main body part 1 of the information processor can be used as an acoustic space, and that the sound quality and output of the speaker can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable information processing apparatus such as a notebook personal computer having an audio output function.

[0002]

2. Description of the Related Art In recent years, portable information processing apparatuses such as notebook personal computers have been equipped with a function called multimedia for processing video and audio due to improvements in performance. In such a situation, a loudspeaker having an audio output function that can reproduce high-quality sound has been provided.

Hereinafter, a conventional portable information processing apparatus having a voice output function will be described.

FIG. 4 is a perspective view showing a mounting structure of a speaker of a conventional portable information processing apparatus, and other components are omitted for explanation. FIG. 5 is a perspective view of the speaker unit, and FIG. 5 (a) is a view from the front (sound emitting side) of the speaker.
(B) is the figure seen from the back side of the speaker. FIG. 6 is a perspective view showing another conventional example. In the figure, 11
Is a main body of the portable information processing apparatus, in which information processing means (not shown) including a CPU, a hard disk drive (not shown) as storage means, and the like are arranged. Reference numeral 12 denotes a speaker, 13 denotes a mounting bracket, and 14 denotes a spring for fixing the speaker.

In the conventional portable information processing apparatus configured as described above, the speaker 12 is mounted on the mounting bracket 13 using the spring 14. Then, the main body 11 of the portable information processing device
It is arranged inside. Thereafter, an electric circuit board and a keyboard (not shown) are attached.

In another conventional example shown in FIG. 6, a portable information processing apparatus in which a speaker 22 is housed in a small speaker box 23 is disposed in a main body 21 of the portable information processing apparatus.

[0007]

In recent years, portable information processing apparatuses have been required to be reduced in size and weight, while their performance has been significantly improved in a short period of time, and speakers have also been required to have improved output and sound quality. In addition, there is a need for a structure that allows easy replacement of internal components such as CPU and structural components for heat radiation accompanying the performance improvement of the CPU, and a demand for performance improvement in a limited layout area, such as a need for securing a layout space. Have been.

In the above-mentioned conventional portable information processing apparatus, a space for disposing the speaker 12, the mounting bracket 13 for the speaker, the spring 14 for fixing the speaker, and the like is required. The mounting bracket for the speaker must be small, and the space behind the speaker is reduced. Also, the sound generated from the speaker is likely to wrap around from the front to the back. These effects make it difficult to reproduce high-output high-quality sound. Conversely, if it is desired to reproduce high-output, high-quality sound, the speaker 22 is housed in a small speaker box 23 as shown in FIG. 6 to separate the front and rear spaces of the speaker 22. At the same time, measures such as securing a space behind the speaker 22 were required.

However, although the sound effect is improved by the above, since the speaker box 23 is disposed in the main body 21 of the portable information processing device, the volume occupied by the speaker box 23 is large, and the location where the CPU and other parts are disposed. However, there are problems such as many restrictions and a reduced space for arranging structural parts for heat dissipation.

An object of the present invention is to provide a portable information processing apparatus in which a speaker can be arranged in a limited arrangement space and the output and sound quality of the speaker are improved.

[0011]

In order to solve the above-mentioned problems, in a portable information processing apparatus according to the present invention, a speaker is attached to a shield plate which supports a keyboard and prevents external emission of electromagnetic waves from inside the information processing apparatus. It is like that.

[0012] Thus, since almost the entire space inside the information processing apparatus is the space behind the speaker, the acoustic space can be enlarged, and high-output high-quality sound can be reproduced. Further, when the shield plate is removed, the CPU and the structural components for heat radiation of the CPU can be easily arranged and replaced.

[0013] A portable information processing apparatus is provided in which the output and sound quality of the speaker can be improved in such a limited arrangement space, and the arrangement of the CPU and the arrangement and replacement of the heat radiation structure of the CPU can be easily performed. .

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention provides a keyboard, a shield plate supporting the keyboard and preventing external emission of electromagnetic waves from inside the information processing device, and a keyboard attached to the shield plate. A portable information processing device characterized by having a speaker mounted on the front and rear sides of the speaker by fixing the speaker to a shield plate having a large area to support a keyboard and prevent leakage of radio waves. In addition to separating the space, the acoustic space of the speaker is expanded in the limited arrangement space, the output and sound quality are improved, and the CPU and the heat radiation structure of the CPU can be easily arranged and replaced. .

According to a second aspect of the present invention, in the portable information processing apparatus according to the first aspect, an opening is provided in the shield plate, a speaker is held in the opening, and the fixing plate is provided with an elastic body through an elastic body. The speaker is pressed and fixed, and has an effect of improving the function of separating the front and rear spaces of the speaker by the elastic body, thereby improving the output and sound quality of the speaker.

According to a third aspect of the present invention, in the portable information processing apparatus according to the second aspect, the fixed frame is attached to the shield plate from the sound emission side of the speaker. It has the effect that the speaker can be replaced without removing it.

According to a fourth aspect of the present invention, in the portable information processing apparatus according to the second aspect, the elastic body has a projection in a sound emitting side direction of the speaker, and a cover provided on the sound emitting side of the speaker. Or the information processing device housing is characterized in that the projections come into contact with the housing, and a cover is formed using an elastic body that separates a space between a front side and a rear side of the speaker, or vibration of the information processing device housing is caused by the speaker. Can be suppressed.

An embodiment of the present invention will be described below with reference to FIGS.

(Embodiment) FIG. 1 is a perspective view showing a portable information processing apparatus according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view of the portable information processing apparatus. Is omitted. FIG. 3 is a sectional view of the speaker mounting portion. In FIG. 1, reference numeral 1 denotes a main body of a portable information processing apparatus, in which information processing means (not shown) including a CPU, a hard disk drive (not shown) as storage means, and the like are arranged. Reference numeral 2 denotes a display unit rotatably attached to the main body 1, reference numeral 3 denotes a keyboard, reference numeral 4 denotes a shield plate which supports the keyboard 3 and prevents external emission of electromagnetic waves from inside the portable information processing device 1, and has an opening 4a. It is provided on the left and right of the rear. 5 is a speaker, 6 is a holding component, and 7 is an elastic body. Reference numeral 8 denotes a cover, which is arranged behind the keyboard 3 and covers the speaker 5 and fixes the keyboard 3 in the vertical and horizontal directions. 8a is a sound emission hole of the speaker. As shown in FIG. 3, the elastic body 7 has a projection 7a so as to surround the periphery of the speaker 5.

The operation of the portable information processing apparatus of the present invention configured as described above will be described. First, the speaker 5 is attached by the opening 4a of the shield plate 4.
The speaker 5 is fitted into the shield plate 4, and is attached to the shield plate 4 so as to press the speaker 5 from above via the elastic body 7. An electric circuit board (not shown) or the like is already attached inside the main body 1 of the portable information processing apparatus, and a shield plate 4 is attached so as to cover the electric circuit board. Thereafter, the keyboard 3 is placed, and the cover 8 is further attached and fixed. At this time, as shown in FIG.
The tip of “a” contacts the lower surface of the cover 8.

The shield plate 4 to which the speaker 5 is fixed has a large area for supporting the keyboard 3 at the same time.
Acts as a separation plate that separates the front and rear spaces of the speaker.
It works efficiently to improve sound quality and output of audio signals.
Further, since the speaker 5 is attached to the shield plate 4, it can be removed together with the shield plate 4. When the shield plate 4 is removed, internal components (not shown) such as an electric circuit board of the main unit appear, and the CPU and structural components for heat radiation of the CPU can be replaced in a wide opening area.

Further, since the tip of the projection 7a of the elastic body 7 projecting forward of the speaker 5 abuts on the lower surface of the cover 8, unnecessary unnecessary vibration due to the audio output of the speaker 5 is prevented, and 8 with speaker 5 removed
A cable or connector for sending an audio signal can be inserted and removed, preventing danger such as disconnection due to pinching of the wiring portion. In addition, the elastic member 7 makes the speaker 5 adhere to the shield plate 4 and the front side of the speaker 5 The function of separating the space behind and the rear side is improved, and the output and sound quality of the speaker are improved.

Further, since the speaker 5 does not require a volume like a speaker box, it is easy to arrange the CPU and the CPU heat radiation structural parts.

[0024]

As described above, according to the present invention, the speaker is mounted on the shield plate that supports the keyboard and prevents external emission of electromagnetic waves from the inside of the information processing apparatus. A portable information processing device that places speakers in a space, uses the space inside the information processing device as an acoustic space, improves the sound quality and output of the speaker, and effectively utilizes the component arrangement area of the internal structural components. The advantageous effect of being able to provide is obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a portable information processing apparatus according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the portable information processing apparatus according to the embodiment of the present invention.

FIG. 3 is a sectional view of a speaker mounting portion of the portable information processing device according to the embodiment of the present invention;

FIG. 4 is a perspective view showing a mounting structure of a speaker of a conventional portable information processing device.

FIG. 5 is a perspective view of a speaker unit of a conventional portable information processing device.

FIG. 6 is a perspective view showing another conventional example.

[Description of Signs] 1 Main body 3 Keyboard 4 Shield plate 5 Speaker 6 Pressing part 7 Elastic body 7a Projection 8 Cover

Claims (4)

[Claims] 1. A portable information processing apparatus comprising: a keyboard; a shield plate supporting the keyboard and preventing external emission of electromagnetic waves from inside the information processing apparatus; and a speaker attached to the shield plate. apparatus. 2. The portable information according to claim 1, wherein an opening is provided in the shield plate, the speaker is held in the opening, and the speaker is pressed and fixed via an elastic body by a fixing frame. Processing equipment. 3. The portable information processing apparatus according to claim 2, wherein the fixed frame is attached to the shield plate from a sound emitting side of the speaker. 4. The elastic body has a projection in a sound emitting side direction of the speaker, and the projection contacts a cover provided on the sound emitting side of the speaker or an information processing apparatus housing. Item 3. The portable information processing device according to Item 2.