JP4178667B2 - Electronic device having a microphone unit - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electronic apparatus having a microphone unit such as a video camera apparatus.
[0002]
[Prior art]
Conventionally, in the case of an electronic device having a microphone unit, for example, a video camera device, vibrations and complications generated by the rotation of the motor of the VTR mechanism unit or the rotation of the tape reel or cylinder head have been detected. Therefore, the microphone main body is supported on the video camera apparatus main body via a rubber-made damper member that absorbs vibration.
[0003]
In addition, in an electronic device having a microphone unit, such as a video camera device, in order to incorporate the microphone unit under the conditions of downsizing and space saving of the electronic device, when placing a damper member on the cabinet surface of the inclined electronic device, Since the mold drawing direction is not parallel to the inclined cabinet surface, the damper member holding member is assembled by sliding or rotating in order to fix the damper member parallel to the inclined cabinet surface.
[0004]
1 is an external perspective view of a video camera device that is an example of an electronic apparatus having a microphone unit, FIG. 6 is an exploded perspective view of a conventional microphone unit incorporated in the video camera device, and FIG. 7 is incorporated in the video camera device. It is side sectional drawing of the conventional microphone unit in a state.
[0005]
In FIG. 1, reference numeral 1 denotes a microphone case attached to the front upper part of the video camera device main body 2, 3 denotes a microphone net covering the upper surface of the microphone case 1, and 4 denotes a front of the microphone case 1 to illuminate the front of the video camera device. A light protector 5 for diffusing the light of the lamp of the lamp unit attached inside is an imaging lens attached to the front front of the video camera apparatus main body 2, and the microphone main body is supported inside the microphone case 1.
[0006]
In FIG. 6, a microphone case 1 attached to the front upper part of a video camera device main body 2 (not shown) has an opening 1b in an intermediate partition plate 1a, and is provided around a recess 1c formed above the intermediate partition plate 1a. Is formed with a plurality of welding ribs 1d for welding the microphone net 3 covering the concave portion 1c, and the microphone net 3 is subjected to high-frequency welding by passing the welding rib 1d through a peripheral hole with a filter 6 attached to the inside thereof. Thus, the welding rib 1d is melted into the hole around the microphone net 3, and the microphone case 1 and the microphone net 3 are fixed.
[0007]
The damper member 8 that supports the two microphone bodies 7 and 7 is made of a rubber material to absorb vibrations and prevent complications. The sound collecting holes 8a and 8a and the storage holes for fixing the microphone bodies 7 and 7 are used. 8b, 8b, convex shapes 8c, 8c to be engaged with the damper member 8, and a flange portion 8d. Reference numeral 7a denotes a sound collection unit of the microphone body 7.
[0008]
The holding member 9 that holds the flange portion 8d of the damper member 8 pressed against the intermediate partition plate 1a of the microphone case 1 from below with the peripheral edge portion of the opening 1b of the intermediate partition plate 1a is an opening of the intermediate partition plate 1a of the microphone case 1. It has an opening 9a at a position corresponding to 1b and concave shapes 9b, 9b that engage with the convex shapes 8c, 8c of the damper member 8.
[0009]
In order to illuminate the front of the video camera device, a light reflector 11 of a lamp unit attached in front of the microphone case 1 is inserted from the front of the microphone case 1, and a lamp socket 12 into which the lamp 10 is inserted is connected to the microphone case 1. The screw fixing holes 12 a and 12 a of the lamp socket 12 and the screw fixing holes 1 e and 1 e of the microphone case 1 are fixed to the bosses 11 a and 11 a of the light reflector 11 with screws 13 and 13. The light protector 4 having a function of diffusing the light of the lamp 10 is inserted from the front part of the light reflector 11.
[0010]
FIG. 7 is a side sectional view showing the order in which the microphone unit having the above configuration is incorporated into the inclined cabinet surface of the video camera apparatus. First, in the exploded perspective view of FIG. With the microphone bodies 7 and 7 inserted into the storage holes 8b and 8b, the convex shapes 8c and 8c of the damper member 8 and the concave shapes 9b and 9b of the holding member 9 are engaged with each other so that the damper member 8 and the holding member 9 are engaged. Combine.
[0011]
Next, as shown in FIG. 7A, in a state where the holding member 9 is coupled to the damper member 8, the one side 9c of the holding member 9 is inserted into the microphone from the direction in which the microphone case 1 whose surface is inclined can be inserted. Insert until the fulcrum shape 1f formed inside the case 1 abuts.
[0012]
Next, as shown in FIG. 7 (b), the one side 9c of the holding member 9 is inserted between the inner wall 1g of the microphone case 1 and the fulcrum shape 1f, and the fulcrum shape is in contact with the fulcrum shape 1f. By rotating the holding member 9 about 1 f, the holding member 9 comes into close contact with the inclined surface of the microphone case 1, and the microphone bodies 7, 7 supported by the damper member 8 coupled to the holding member 9 The sound collecting portions 7 a and 7 a are looked into the concave portion 1 c of the microphone case 1 covered with the microphone net 3 from the opening 1 b of the intermediate partition plate 1 a of the microphone case 1.
[0013]
Next, as shown in FIG. 7 (c), one side 9c of the holding member 9 is inserted between the inner wall 1g of the microphone case 1 and the fulcrum shape 1f and rotated while being in contact with the fulcrum shape 1f. The other side 9d of the holding member 9 is screwed to the screw fixing hole 1h of the microphone case 1 with a screw 14.
[0014]
In the microphone unit incorporated in the video camera apparatus as described above, the flange portion 8 d of the damper member 8 is sandwiched between the intermediate partition plate 1 a of the microphone case 1 and the holding member 9. That is, the microphone bodies 7 and 7 supported by the damper member 8 are held in a state of being suspended by the damper member 8, and vibration transmitted from the video camera apparatus body 2 to the microphone case 1 is effectively absorbed by the damper member 8. The influence of vibration on the microphone body 7 can be reduced, and the flange portion 8d of the damper member 8 blocks the inside of the video camera device body 2 and the recess 1c above the microphone case 1. Further, vibrations and complications generated from the inside of the video camera device main body 2 are prevented from entering the sound collecting portions 7a and 7a of the microphone main bodies 7 and 7 that are looking into the concave portion 1c above the microphone case 1. .
[0015]
[Problems to be solved by the invention]
However, when a microphone unit is incorporated in an electronic device having an inclined cabinet surface such as a video camera device, in the conventional microphone unit configuration, when the damper member to which the microphone body is attached is fixed to the microphone case (see FIG. As shown in a), (b), and (c), the holding member 9 assembled with the rubber damper member 8 is inserted into the microphone case 1 and rotated and assembled. As shown in FIG. 7 (d) which is an enlarged side sectional view, the flange portion 8d of the damper member 8 has a peripheral edge portion of the opening 1b of the intermediate partition plate 1a of the microphone case 1 and the holding member that sandwich the flange portion 8d. In some cases, a gap 15 may be formed between the holding member 9 and the peripheral edge of the opening 1b.
[0016]
In this case, since the microphone net 3 is welded from the outside of the microphone case 1 before the damper member 8 is fixed to the microphone case 1, the damper member 8 cannot be attached after the damper member 8 is assembled. The mounting state of the damper member 8 cannot be corrected.
[0017]
Therefore, as described above, when the damper member 8 is twisted and the flange portion 8d is crushed, the microphone body 7 is not held in a state of being suspended from the damper member 8, and is transmitted from the electronic device body to the microphone case 1. The vibration is not absorbed by the damper member 8, but is transmitted to the microphone body 7, which deteriorates the S / N ratio and attaches the built-in microphone with low performance.
[0018]
Further, when a gap 15 is formed between the peripheral edge of the opening 1 b of the intermediate partition plate 1 a of the microphone case 1 and the holding member 9, the airtightness between the inside of the microphone case 1 and the recess 1 c above the microphone case 1 is improved. To the sound collecting portions 7a and 7a of the microphone bodies 7 and 7 that are not observed and can be seen from inside the electronic device body through the gap 15 and into the recess 1c above the microphone case 1. It penetrates, the S / N ratio deteriorates, and a built-in microphone with low performance is assembled.
[0019]
Therefore, as described above, even when the microphone unit is incorporated into the inclined cabinet surface of the electronic device, the damper member to which the microphone body is attached is required to be fixed between the microphone case and the holding member without any gap. It had been.
[0020]
The present invention has been made to solve the above-described problems. Even when the cabinet surface is inclined, the damper member is fixed between the microphone case and the holding member without any gap, and the frequency characteristics of the microphone are obtained. It is an object to obtain an electronic device incorporating a high-performance microphone unit, which can improve assembly and facilitate assembly and reduce the size.
[0021]
[Means for Solving the Problems]
In order to solve this problem, in an electronic device having a microphone unit according to the present invention, a microphone body is inserted into a holding member having a damper member having a vibration absorption function, and the holding member is electronic via the damper member. In an electronic device having a microphone unit that is held in a microphone case of the device main body, the other side of the holding member screwed to the microphone case on one side, and the one side screwed to the microphone case, The holding member is fixed to the inclined surface of the cabinet by supporting it with a receiving rib that moves to the lower part on the other side, improving the frequency characteristics of the microphone and facilitating assembling, and a high-performance built-in microphone. A microphone unit is obtained.
[0022]
DETAILED DESCRIPTION OF THE INVENTION
According to the first aspect of the present invention, the microphone main body is inserted into a holding member having a damper member having a vibration absorbing function, and the holding member is attached to the microphone case of the electronic device main body via the damper member. In an electronic device having a microphone unit that is held, the other side of the holding member screwed to the microphone case on one side is moved to the lower part on the other side after the one side is screwed to the microphone case. An electronic device having a microphone unit in which the holding member is fixed to the inclined surface of the cabinet by being supported by a receiving rib coming in, the other side of the holding member screwed to the microphone case on one side, and the one side on the other side After holding the screw to the microphone case, the holding member is rotated by supporting it with the receiving rib that moves to the lower part on the other side. Without Rukoto, an effect that can be fixed in a state of pressed parallel to the inclined surface of the microphone case.
[0023]
Invention of Claim 2 of this invention is an electronic device which has a microphone unit of Claim 1 formed in the light unit inserted in the lower part of a microphone unit, and a receiving rib is set to a light unit. By being formed, it has the effect that it can also be used as a light unit that illuminates the front of the electronic device.
[0024]
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0025]
(Embodiment 1)
2 is an exploded perspective view of the microphone unit incorporated in the video camera apparatus which is the first embodiment of the electronic apparatus having the microphone unit of the present invention, and FIG. 3 is a state in which the microphone unit in FIG. 2 is incorporated in the video camera apparatus. FIG. 6 is a side sectional view, and parts having the same configurations as those in FIGS.
[0026]
2 in the first embodiment is different from FIG. 6 showing the conventional example in that two bosses 11a and 11a projecting rearward of the light reflector 11 inserted from the front part of the microphone case 1 are projected rearward. In order to incorporate the microphone unit shown in FIG. 2 into the video camera device, first, as shown in the side sectional view of FIG. The holding member 9 to which the damper member 8 is attached is pressed from the lower side in parallel with the inner wall 1g of the microphone case 1, and the other side 9d of the holding member 9 is screwed to the screw holding hole 1h of the microphone case 1 with the screw 14. .
[0027]
Next, as shown in the side sectional view of FIG. 3B, the other side 9d of the holding member 9 is screwed into the screw fixing hole 1h of the microphone case 1 with screws 14, and then the front portion of the microphone case 1 is secured. The one side 9c of the holding member 9 is supported by two receiving ribs 11b and 11b provided so as to protrude rearward from the light reflector 11 of the lamp unit inserted, and inserted from the rear part of the microphone case 1 in the supported state. The screw fixing holes 12a and 12a of the lamp socket 12 and the screw fixing holes 1e and 1e of the microphone case 1 are fastened to the bosses 11a and 11a of the light reflector 11 with screws 13 and 13 to fix the light reflector 11.
[0028]
That is, in order to fix the microphone case 1 and the holding member 9, it is not necessary to rotate the holding member 9, and the inner wall 1 g of the microphone case 1 and the flange portion 8 d of the damper member 8 attached to the holding member 9 are pressure-bonded. Thus, the flange portion 8d is not twisted, and the flange portion 8d is a microphone case as shown in FIG. 3C, which is an enlarged side sectional view of the L portion in FIG. Thus, the gap between the peripheral edge of the opening 1b of the intermediate partition plate 1a and the holding member 9 is completely blocked, and vibrations and complications generated from the inside of the video camera device main body are caused by the sound collecting portion 7a of the microphone main body 7. Can be prevented from entering.
[0029]
Finally, the assembly is completed by inserting the light protector 4 having a function of diffusing the light of the lamp 10 from the front portion of the light reflector 11.
[0030]
(Embodiment 2)
FIG. 4 is a side sectional view of a microphone unit in a state where it is incorporated in a video camera apparatus which is a second embodiment of an electronic apparatus having a microphone unit of the present invention, and the side sectional view of the microphone unit in the first embodiment is shown in FIG. In FIG. 3 shown, the two receiving ribs 11b and 11b projecting rearward of the light reflector 11 support one side 9c of the holding member 9. In FIG. 4 showing the second embodiment, the holding rib 9b is held. After the other side 9d of the member 9 is screwed into the screw holding hole 1h of the microphone case 1 with screws 14, two pieces are inserted into the IR panel 16 inserted from the front of the microphone case 1 and attached to the front of the video camera device. Receiving ribs 16a, 16a are provided, and the receiving ribs 16a, 16a support one side 9c of the holding member 9. Since other configurations are the same as those in FIG.
[0031]
(Embodiment 3)
FIG. 5 is a side sectional view of a microphone unit in a state where it is incorporated in a video camera apparatus which is a third embodiment of an electronic apparatus having a microphone unit of the present invention, and the side sectional view of the microphone unit in the first embodiment is shown in FIG. In FIG. 3 shown, the two receiving ribs 11b and 11b projecting rearward of the light reflector 11 support one side 9c of the holding member 9, whereas in FIG. 5 showing the third embodiment, the holding rib is held. After the other side 9d of the member 9 is screwed into the screw holding hole 1h of the microphone case 1 with the screw 14, two receiving ribs 12b and 12b are provided on the lamp socket 12 inserted from the rear part of the microphone case 1, One side 9c of the holding member 9 is supported by the ribs 12b and 12b. Since other configurations are the same as those in FIG. 3, the same reference numerals are given and description thereof is omitted.
[0032]
Although not shown in the above embodiments, a circuit board for the microphone main body 7 is disposed below the holding member 9, and the circuit board and the microphone main body 7 are connected by a flexible wiring board. ing.
[0033]
The video camera device having the microphone unit described in each of the above embodiments includes the flange portion 8d of the damper member 8, and can be easily attached even on the inclined cabinet surface of the video camera device. It is crimped and fixed without a gap, and maintains the airtightness inside and outside of the video camera apparatus main body 2, and the influence of vibrations and complications generated from the inside of the video camera apparatus main body 2 is eliminated. As a result, it is possible to improve the frequency characteristics of the microphone unit incorporated in the video camera device, and to improve the assembling property of the microphone unit, and to realize the downsizing and cost reduction. Have. Note that the effects obtained by each of the above embodiments are not limited to video camera devices and can be widely applied to electronic devices having a microphone unit.
[0034]
【The invention's effect】
As described above, according to the electronic device having the microphone unit of the present invention, the microphone unit can be easily attached even on the inclined cabinet surface of the electronic device, and the frequency characteristics of the attached microphone unit are improved. The effect that it can be obtained.
[Brief description of the drawings]
FIG. 1 is an external perspective view of a video camera apparatus. FIG. 2 is an exploded perspective view of a microphone unit incorporated in the video camera apparatus according to Embodiment 1 of the present invention. 4 is a side sectional view of the microphone unit of FIG. 4. FIG. 4 is a side sectional view of the microphone unit in a state where it is incorporated in the video camera apparatus according to Embodiment 2 of the present invention. FIG. 6 is an exploded perspective view of a conventional microphone unit incorporated in a video camera device. FIG. 7 is a side sectional view of a conventional microphone unit in a state incorporated in a video camera device. Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Microphone case 1a Intermediate | middle partition plate 1b, 9a Opening 1c Recess 1d Welding rib 1e, 1h, 12a Screw stop hole 1f Supporting point shape 1g Inner wall 2 Video camera apparatus main body 3 Microphone net 4 Light protector 5 Sound part 8 Damper member 8a Sound collection hole 8b Storage hole 8c Convex shape 8d Flange part 9 Holding member 9b Concave shape 9c One side 9d The other side 10 Lamp 11 Light reflector 11a Boss 11b, 12b, 16a Receiving rib 12 Lamp socket 13, 14 Screw 15 Clearance 16 IR panel

Claims (2)

In an electronic device having a microphone unit in which a microphone body is inserted into a holding member having a damper member having a vibration absorbing function, and the holding member is held in a microphone case of the electronic device body via the damper member. By supporting the other side of the holding member screwed to the microphone case on one side by a receiving rib that moves to the lower part on the other side after the one side screwed to the microphone case, the holding member An electronic device having a microphone unit that is fixed to an inclined surface of a cabinet. The electronic device having a microphone unit according to claim 1, wherein the receiving rib is formed in a light unit inserted into a lower portion of the microphone unit.

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