JP2012065144A - Electronic apparatus with built-in acoustic element - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electronic apparatus having a high degree of freedom with respect to a position of an acoustic element and enabling easier attaching work of the acoustic element than a conventional apparatus.SOLUTION: The electronic apparatus stores a microphone 6 inside a housing having an opening. The microphone 6 is arranged near the opening by making it face an inner face of the housing. The microphone 6 is attached to the housing by a sandwiching member. The sandwiching member includes: a coupling portion 51 passing through the opening of the housing; an outer side supporting portion extending along an outer face of the housing from one end of the coupling portion 51; and an inner side supporting portion 52 extending along the inner face of the housing from the other end of the coupling portion 51. The microphone 6 is sandwiched by the housing and the inner side supporting portion 52 of the sandwiching member.

Description

  The present invention relates to an electronic device in which an acoustic element such as a microphone is accommodated in a housing.

For example, in a digital camera, an inner chassis on which optical components and electronic components are mounted is housed in a housing, and a microphone for recording during moving image shooting is housed.
In such a digital camera, the microphone is sandwiched between the front cabinet and the inner chassis in a state of being opposed to the inner surface of the front cabinet constituting the casing (see Patent Document 1).

JP 2007-194708 A

  However, in a digital camera in which a microphone is held between the front cabinet and the inner chassis, the position of the microphone is restricted by the area where the inner chassis exists and the arrangement of components on the inner chassis, so there is a degree of freedom regarding the position of the microphone. There was a low problem.

  This problem can be solved by a structure in which the microphone is fixed to the inner surface of the front cabinet using a dedicated mounting member. In this case, however, the work of fixing the microphone using the mounting member is complicated. is there.

  SUMMARY OF THE INVENTION An object of the present invention is to provide an electronic device that has a high degree of freedom with respect to the position of an acoustic element, and that makes it easier to install the acoustic element than before.

An electronic device according to the present invention includes an acoustic element that converts between sound and an electric signal inside a casing having an opening edge, and the acoustic element is opposed to the inner surface of the casing. It arrange | positions in the vicinity of the said opening edge.
Here, the acoustic element is attached to the housing by a sandwiching member, and the sandwiching member includes a connecting portion that penetrates the housing along an opening edge of the housing, and a housing from one end of the connecting portion. An outer support part extending along the outer surface of the connecting part, and an inner support part extending along the inner surface of the casing from the other end of the connecting part, and the acoustic element includes the casing and an inner support part of the holding member. It is pinched by.

  According to the electronic device of the present invention, since the acoustic element can be attached to the position near the opening edge by using the opening edge formed in the casing conventionally, the position of the acoustic element is the position of the inner chassis. The degree of freedom regarding the position of the acoustic element is higher than that of a conventional electronic device that is constrained by the existing region and the component arrangement on the inner chassis.

  In the operation of attaching the acoustic element to the casing, the acoustic element can be temporarily fixed to the casing by sandwiching the acoustic element between the casing and the inner support portion of the clamping member by the clamping member, and then the clamping is performed. Since the acoustic element can be fixed to the casing by fastening the member to the casing, the attaching operation is simple.

  In a specific aspect, the housing accommodates the camera unit and is formed with an opening through which the lens barrel of the camera unit protrudes, and the acoustic element is a microphone or a speaker, and the opening of the housing A ring member is attached to the front surface of the casing so as to surround the ring body, and the ring member protrudes in an L shape from the ring body through the opening of the casing. And the ring main body constitutes the outer support portion, and the tongue piece constitutes the connecting portion and the inner support portion, and the inner support portion is fastened to the housing. .

  According to the specific aspect, the acoustic element is mounted in the housing without increasing the number of parts as compared with the conventional electronic device by protruding the tongue piece on the ring member that has been conventionally installed as a component of the electronic device. Can be attached to the body.

  According to the electronic apparatus of the present invention, the degree of freedom with respect to the position of the acoustic element is high, and the mounting operation of the acoustic element is simpler than before.

FIG. 1 is a perspective view showing an appearance of a digital camera according to an embodiment of the present invention. FIG. 2 is a perspective view showing a main part in a state in which the front cabinet is removed from the digital camera. FIG. 3 is a perspective view showing a main part in a state where the back cabinet is removed from the digital camera. FIG. 4 is a cross-sectional view showing a microphone holding structure in the digital camera. FIG. 5 is an exploded perspective view of the digital camera.

Hereinafter, embodiments of the present invention applied to a digital camera will be described in detail with reference to the drawings.
As shown in FIG. 1, a digital camera according to an embodiment of the present invention includes a housing (1) including a front cabinet (11) and a back cabinet (12), and a shutter is provided on the upper surface of the housing (1). Button (3) is deployed.
A shutter (21) for opening and closing the photographing window (20) is provided on the front surface of the front cabinet (11), and an exterior ring member (4) is attached to surround the photographing window (20).

The front cabinet (11) has a sound collection hole (14) in the vicinity of the ring member (4), and the sound collection hole (14) is connected to the microphone (6) shown in FIG. Sound can be guided.
As shown in FIG. 4, the microphone (6) is fitted in a recess (13) provided in the front cabinet (11) so as to face the inner surface of the front cabinet (11).

  The camera unit (2) shown in FIG. 5 is accommodated in the housing (1). The camera unit (2) includes a lens barrel (22) that can open and close the photographing window (20) by a shutter (21), and the tip of the lens barrel (22) is connected to the front cabinet (11). It slightly protrudes forward from the opening (10).

The front cabinet (11) is formed with an annular flange portion (15) surrounding the opening (10). The annular flange portion (15) is formed with a notch (16) cut out to a region where the recess (13) is formed.
A ring member (4) is installed on the front surface of the front cabinet (11) so as to cover the annular flange portion (15).

  The ring member (4) is a resin molded product, and includes a ring body (41) that engages with the annular flange portion (15) of the front cabinet (11), and a tongue projecting from the back surface of the ring body (41). It consists of a piece (5).

  As shown in FIGS. 3 and 4, the tongue piece (5) includes a connecting portion (51) penetrating from the ring member (4) through the notch (16) of the front cabinet (11) along the opening edge thereof, It is comprised from the inner side support part (52) extended along the inner surface of a front cabinet (11) from the end of a connection part (51), and is comprised from the inner surface of a front cabinet (11), and the inner side support part (5) of a tongue piece (5) ( 52) between which the microphone (6) is sandwiched.

  And the inner side support part (52) of the tongue piece (5) is fastened to the front cabinet (11) by the screw (7). The microphone (6) is firmly held between the inner support portion (52) of the tongue piece (5) and the front cabinet (11) by the fastening force of the screw (7). This ensures the performance of the microphone (6).

According to the above digital camera, the microphone (6) is arranged at a free position regardless of the arrangement of the camera unit (2) and other parts as long as the position is close to the opening (10) of the front cabinet (11). I can do it.
Further, the tongue (5) is projected from the ring member (4) that is conventionally installed as an exterior part of the digital camera, so that the microphone (6) can be obtained without increasing the number of parts compared to the conventional digital camera. Can be attached to the housing (1).

Furthermore, according to the digital camera, in the assembly process, after the microphone (6) is fitted in the recess (13) of the front cabinet (11), the ring member (4) is engaged with the front cabinet (11). Then, the microphone (6) is restrained to the recess (13) of the front cabinet (11) by the tongue piece (5) of the ring member (4).
Thus, the microphone (6) can be temporarily fixed to the front cabinet (11).

  Therefore, after that, as shown in FIGS. 3 and 4, the screw (7) is screwed into the tongue piece (5) and the microphone (6) is fastened to the front cabinet (11). Since it is temporarily fixed to the front cabinet (11) by (5), the work is simplified.

In addition, each part structure of this invention is not restricted to the said embodiment, A various deformation | transformation is possible within the technical scope as described in a claim. For example, in the above embodiment, the present invention is implemented in the microphone (6) mounting structure, but the present invention may be implemented in a speaker mounting structure.
Further, the opening (10) of the casing (1) is not limited to the opening for installing the lens barrel (22) of the camera unit (2), and various kinds of openings conventionally provided in the casing (1). Openings and cutouts can be used.

(1) Case
(10) Opening
(11) Front cabinet
(12) Back cabinet
(13) Recess
(14) Sound collection hole
(15) Annular flange
(16) Notch
(2) Camera unit
(20) Shooting window
(4) Ring member
(41) Ring body
(5) Tongue piece
(51) Connecting part
(52) Inner support
(6) Microphone

Claims (2)

  An acoustic element that converts between sound and electric signals is accommodated in a casing having an opening edge, and the acoustic element is disposed in the vicinity of the opening edge so as to face the inner surface of the casing. In the electronic device, the acoustic element is fixed to the housing by a sandwiching member, and the sandwiching member includes a connecting portion that penetrates the housing along an opening edge of the housing, and one end of the connecting portion. An outer support portion that extends along the outer surface of the housing from the other end, and an inner support portion that extends from the other end of the connecting portion along the inner surface of the housing. An electronic device incorporating an acoustic element, wherein the electronic device is sandwiched by a support portion.   The housing accommodates the camera unit and is formed with an opening through which the lens barrel of the camera unit protrudes. The acoustic element is a microphone or a speaker and surrounds the opening of the housing. A ring member is attached to the front surface of the body, and the ring member includes a ring main body that engages with the front surface of the housing, and a tongue piece that protrudes in an L shape from the ring main body through the opening of the housing. 2. The outer support portion is configured by the ring body, the connecting portion and the inner support portion are configured by the tongue piece, and the inner support portion is fastened to the casing. Electronic equipment.

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