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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a general portable radio, FIG. 2 is a schematic
front view showing an embodiment of a handset according to the present invention, and FIG. 3 is
a schematic view FIG. 5 is a cross-sectional view showing a receiver structure. 1 ... portable radio
equipment, 2 ... handset, 2-1 ... speaker grill, 2-2 ... top drain hole, 2-3 · · · · · · · · · · · · · · · · · · · · · · · · ·
· · · · · · · · · · · · · · · · · · Bottom lower drain hole, 2-4 · · · Case, 2 ~ 8 · · · · net.
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a handset used for
portable communication + Ik device and the like. Conventionally, this type of handset is used in
conjunction with portable communication, and the environment for toilet is often used mainly for
outdoor work such as construction site and firefighting activity. In such an environment,
waterproof type is of course used as a handset because there are things in the rain, of course,
sometimes directly for fire extinguishing water. The general structure of this waterproof type
handset "), 7 Illuminating / fixing the microphone speaker which used the microphone and the
speaker which used the diaphragm to the diaphragm via the case 11SK pads etc., the case front
part In order to protect the diaphragm, it became a grille of a toy type doorway, passing through
the gap to input and output sound, but in the case of such a four-piece case, rainwater and the
like pass through the Yoroi door grill Water accumulates between the case and the heavy moving
plate, the speaker characteristic and the microphone characteristic extremely decrease, and the
clarity of the voice becomes extremely poor. In order to prevent this, the user is striving to
forcibly cut water by silk handwriting handsets during the white story, but the water that enters
inside has been drained as waste water As a result, it will eventually become a participant who is
talking with deaf in which water has always entered. Also, water was left between the
loudspeaker diaphragm and the case, and when it was held, the rainwater got bad and it required
a maintenance check work after use to exert @ model no. On the diaphragm. It is an object of the
present invention to provide a handset that eliminates the above drawbacks. (2) In order to
achieve the above-mentioned object, a handset according to the present invention is a waterproof
type handset used for a portable communication device, which is provided with a drain hole at
the soil portion and the lower portion of the speaker grill on the front of the case and a
waterproof microphone speaker And the water accumulated in the space formed by the speaker
grille surface of the case is drained from the upper drain hole or the lower drain hole. According
to the above configuration, during use in rain, the water accumulated in the space naturally
drains from the drain hole, and also when water is forcibly shaken by hand for draining, water is
likely to be discharged. Hereinafter, the present invention will be described in more detail with
reference to the drawings. FIG. 1 shows a combination width of a general portable wireless
device and a handset, and 1 is a wireless device body, two handsets are connected via a curled
hood. - The radio device body 1 is attached to a waist belt or the like by a mosquito, and the
handset 2 is held in a place easy to operate, for example, in the vicinity of the chest, and held in a
hand often makes a call. FIG. 2 is a front view showing a third embodiment of the handset
according to the present invention, in which two water drain holes 2 - 2 - 3 are provided in the
upper part and the lower part of the conventional speaker grill 2 - 1 Is a feature.
FIG. 3 shows a sectional view showing the structure of a handset structure according to the
present invention, the microphone speaker which is a human output of voice is a waterproof type
and is a microphone speaker 2-5 using a polyester temporary disposing diaphragm 2-4 to be
concurrently dualized It is adhered to the case 2-7 via a rubber backing 2-6 by screwing or the
like. Case 2-7 The front has a speaker grill 2 - 1 which is a vent hole of the Yoroy door 2 for the
purpose of protecting the image taking plate 2 - 4 against external scratches and is necessary for
audio input / output So as to have a pore opening area. Also, on the inner surface of the speaker
grill 2 - 1, the net 2-8 is affixed and considered to prevent iron powder and water droplets from
entering, but furthermore, inside the microphone speaker 2-5 and the backing 2-6 are in
pressure contact In addition, by providing a drain hole 2 - 2 - 2 - 3 in the upper part and the
lower two parts of the Yoroyi Noda pore, it is possible to make a watertight water drop entering
through the ventilation hole and the net 2-8 by using a lower drainage (4) hole It is drained from
2-3. When forcibly shaking, water jumps out from the soil drain hole 2 - 2 and waterdrops are
discharged. Furthermore, the soil drain hole 2-2 also serves as an intake port for natural drainage
taste and also drainage of the lower drain hole 2-3. In addition, although there are cases where a
drain hole is used in the lower part of the conventional handset, it is difficult to discharge water
droplets adhering to the shooting head 2-4 because there is no suction hole in the case of -. As
described above, according to the present invention, water is naturally or forcibly discharged
without being influenced by how to hold the handset 2, so that there is no deterioration in
speech intelligibility during use, and it is particularly special when storing after use Practical 1
has superior features such as being able to simply arrange honor without requiring draining
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jps5767439, description
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