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JPS55133687

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DESCRIPTION JPS55133687
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of a headphone with a bone
conduction microphone according to an embodiment of the present invention, FIG. 2 is a
sectional view taken along the line A-A of FIG. 1, and FIG. FIG. 4 is a schematic plan view of an
application where a communicator wears a bone conduction microphone with headphone, and
FIG. 4 is a side schematic drawing of an application wherein a telephone with a bone conduction
microphone is attached to a handset. In the figure, 1 is a bone conduction transmission, 2 is an
ear for leakage prevention noise, 3 is a headphone case, 4 is a receiver, 5 is a headphone
support, 6 is a holder, 7 is a headband, 8 is a thin plastic film 9 is a sponge material for pressing
the transmitter, 10 is a sponge material for preventing external noise and vibration, 11 is a ring,
12 is a wiring for output, 13 is a wiring for receiver, and 14 is a wiring for handset.
[Detailed description of the invention] This invention is attached to the air headphone for sound
protection, with a conventional air gap transmitter attached to the earpiece part of the bone
conduction microphone attached to the transmission and reception under high noise The present
invention relates to a bone conduction telephone equipped with a bone conduction telephone
which has been made easy and usable for high noise telephones and interns. Conventionally, in a
high-sound headphone utilizing bone conduction, an earplug-shaped bone conduction feeder is
inserted into the external ear canal, and the earpiece is broken (so-called 'Si, r7 phone earring
(so-called ear)) However, when inserting into the ear canal, the size and shape of the ear canal
vary depending on the individual's size and shape of the ear canal. In addition, there was
inconvenience in raising the tax rate on the microphones, and there were problems in terms of
life, and it was not good for use of telephones etc. used by an unspecified number of people. In
addition, in the insertion into the above-mentioned ear canal, it has been difficult to reliably
attach and involves unstable fluctuations in the transmission level, which causes the quality of
transmission to deteriorate. In addition, the bone conduction transmitter is attached to the WL
set-· · · · · In the call by the method of attaching the earpiece to the earpiece, if the ambient noise
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is about 90dB 8 PL or less F can be transmitted and received, but more than that In the case of
high noise, good talk-to-talk is difficult due to noise leakage from the earpiece and earlobe and
the response to the noise of the bone conduction microphone. This device is considered to be the
above-mentioned point, attach a bone conduction microphone to the number '41 part of the
headphone (2), and attach a similar form of headphone to the handset 【, even under high noise
It is 5 that I can call. The present invention will be described in detail below with reference to the
drawings. 1 to 3 show an embodiment of the present invention, which is attached to a headband,
and FIG. 1 is a schematic view of a headphone equipped with a bone conduction microphone, and
FIG. 1 is a cross-sectional view taken along the line A-A of FIG. 1, and FIG. 3 is a usage pattern in
which the caller wears headphones. In these figures, 1 is a cylindrical bone conduction
microphone that performs vibration / electric conversion, 2 is a leak-proof noise-preventing
earpiece including a sponge material in a thin plastic film, -3 is a headphone case, 4 is a receiver,
5 is a headphone support provided with a rotating shaft, 6 is a holder, and T is a headband. 8 is a
thin plastic film 415 of the cushioning material for preventing leakage leakage noise open-ear
temperature C2, and 9 is a cushioning material for pressing the transmitter covered with this
thin plastic fi8, for example, a sponge material, bone conduction transmission!
The pressure applied to the head shell via the thin plastic film 8 is 1. 10 is a sponge material for
preventing external noise and vibration through the headphone case 3 described above (3), 11 is
a ring for fixing a receiver, 12 is an output of the bone conduction microphone 1. Reference
numeral 13 denotes a receiver wiring, 14 denotes a handset storage, 15 denotes a talker's head,
and 16 denotes a soundproof earpiece. Next, the operation will be described. Holding the
headphones with the headband T or hand and pressing the bone conduction microphone with
headphones to the left ear as shown in FIG. 3, for example, the earpiece t, the receiver 4 and the
leakage noise prevention hanging ear '1: It is inserted into the space between 20, and the
external noise is less leaked than the earpiece 21C for noise prevention, and the bone conduction
microphone 1 is sponged to the outer shell of the ear shell via the thin plastic membrane 8. It is
pressed very stably by the effect of the material, and when it is transmitted, bone conduction
sound is detected. In some cases, the bone conduction microphone 1 may be pressed through the
hair, but there is no problem in operation. For this reason, even if the transmitter moves 111
parts considerably, + a strain is generated at the stable transmission level. Even the bone
conduction transmission a1 is not completely insensitive to the air conduction (4) sound, and
detects the air conduction noise when the noise becomes high. Therefore, according to the
present invention, the air conduction noise of the bone conduction transmitter 1 can be
prevented by the leakage ear for preventing the leakage ear C2. In this embodiment, the bone
conduction sound in the rear part of the ear when it is applied to the left ear of the talker is
detected, and the bone conduction sound in the front part of the ear when it is applied to the
right ear. Available on either side of the ear. In FIG. 2, when the frustrated membrane 8 is not
pressed against the outer skin of the head or pressed against the outer skin, the leakage-leaking
noise prevention hanger ear 2 and the thin plastic rod 8 are pressed and bone conduction is
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caused. The microphone 1 is pushed to the rear of the ear through the pressing characteristics of
the spongon material 9 to obtain a bone conduction output. In particular, the fact that the bone
conduction microphone 1 is inside the Haku-plus phi Tsukumi 8 is to protect the power
transmission microphone 1 and smoothly to the head of the king body t There is a whistle to
prevent side-shifting, and the gap vc- 榔 between 1m person-soundproof earpiece 2 does not
enter! There are # signs. In addition, in the use # state of FIG. Fig. 114 is a view of the case where
the headphone with bone conduction microphone of Fig. 1 is attached to a telephone set-· · · · K.
Fig. 1 is a schematic view of the appearance in the case where bone conduction communication
is performed by pressing on a part.
In this figure, 17 is a hand cent, 18 is an air conduction microphone, and 19 is a headphone with
a bone conduction microphone. Holder 6, l-, =; It corresponds to one from which the head band 7
has been removed. Reference numeral 20 is a switching switch for air conduction transmission
output. When the bone conduction microphone 1 is mounted on the symmetry axis (not shown)
of the set 17 in this way, the problem of the detection site for the left and right ears described
above There is a feature that disappears. As described above, the present invention has an
advantage that since the bone conduction microphone is attached to one minute of the ear of the
headphone, it is possible to easily make a call even under extreme high pressure. In addition,
when attached to Hendsenoto, there is an advantage that it can be used as t == for high noise
prevention. (4) Bad explanation of bad luck (3) The first bad is the outline of bone conduction
transmission (6) headphone with a device showing one embodiment of the present invention, Fig.
2 is a cross section by A-A @ in Fig. 1. Fig. 3 and Fig. 3 are a schematic plan view of the usage
form in which the communicator wears a headphone with a bone conduction transmitter, and
Fig. 4 is a usage type of I with a headphone with a bone conduction transmitter attached to the
handset of the telephone! l [ki schematic diagram. In the figure, 1 is a bone conduction
microphone, 2 is an earpiece for preventing leaks, 3 is a headphone case, 4 is a handset, 5 is a
headphone support, 6 is a holder, 1 is a headband, a is a rumor plus A thin film 9; a sponge
material for pressing the transmitter 10; a sponge material 10 for the external t15 roar noise
prevention river; a ring 11; a distribution 12 for output-a distribution device for receiver 12; It is
wiring for. -7 pairs of agents-Agent Kobayashi Masataka -4- award-1 (7) Fig. 1 742-1 1 1 1 -2 ', 1
° j'. ・。 1・」。 00 ゝ -1 o 0 rh ”11 / 1., 81 111 ノ 5 ゝ ゝ II / '3 to -2, -1 / 3 Fig. 2 12210
one one \ <· · · · · · · · · · · 4 agents Masataka Kobayashi Figure 3 75 6 '° 7. 514 Fig. 587 (· · · · (41
907-2 · · · · · · "'"' "-"-agent Kobayashi Masataka 6 said inventor other than the address of the
inventor, 3-9 9 11 Midoricho, Musashino City Tokyo Japan Telegraph and Telephone Public
Corporation Musashino Telecommunication Research Institute Full Name Hiro-Hiko Address
Same name Hiroshi Irai / Place 1 Nok
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