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JPS5237421

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DESCRIPTION JPS5237421
1. Title of the invention: ? Japanese Patent Office Open Patent Publication ? Japanese Patent
Application Laid-Open No. 5237421 ░ 0 Japanese Patent Application No. 52. (1977) 3.23.
Description of the Invention Title of the Invention Earbud Type Handset
2, inventor
DETAILED DESCRIPTION OF THE INVENTION The present invention provides a transmitter /
receiver 1 as inserted into the ear canal. +8 "" Earwax "Transmission / reception 9-1 6 Generally,
a device (phone handset) for converting electric signals into sound waves or a typical book of
devices (phones) for converting sound waves into electric signals, There are microphones,
speakers, headphones, earphones and the like regardless of crystal type, dynamic type and fan-fy
type. It is not desirable to use both the handset and the handset normally for the purpose of
reducing efficiency. In particular, in the case of a transceiver or the like, the earphone may be
used as a transmitter while the handset earphone is inserted in the ear canal. For example, when
both hands can not be used just in case of other operations, it is impossible to have a transmitter,
so if you use the earphone as a transmitter, the earphone can be used as a transmitter / receiver
by just switching the electrical path. It can be used. However, since the sound wave propagating
through the earhole is extremely small when used in earphone 1 [, the speaker, the external noise
is detected for a long time, the IG degree is extremely deteriorated, or the eyebrows are reduced.
There is a drawback that causes it. EndPage: In order to eliminate the above-mentioned
drawbacks, the present invention makes the main body of the earlobe type transmitter an airtight
structure, and fills the medium with excellent sound wave propagation in the main body, so that
the sound wave-electric signal mutual conversion is completed. The medium acts directly on the
imaging unit of the apparatus, and the sound wave propagating to the insertion portion etc. can
be favorably transmitted to the imaging unit of the conversion device, and the sound wave of the
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imaging unit is also transmitted from the insertion portion It is an object of the present invention
to provide an earlobe-type handset that can be transmitted to the ear canal. Hereinafter, an
actual example of the present invention will be described with reference to the drawings. In FIG.
1, an eyebrow is an ear-frame-type transmission / reception device, and in the main body of this
device, an interconversion device 4j of electric signals and sound waves is provided. L3 is
attached as described later. Hiroshi is inserted into the ear canal, and this insertion insertion
section is integrally formed with the body. This insertion part Hiroshi has a hollow part Hiro atand its tip is closed. In the front (the hollow portion a is filled with a medium b1 that allows
sound waves to propagate well, for example, a liquid such as water or oil, and the medium ?b is
sealed by the conversion device 3 and the sealing member j. At the time of this sealing, the
conversion table f3 is mounted inside the main body ? such that the moving part 3a of the
conversion device J contacts the medium ?b. Insert the insertion part 4L of the ear frame type
transmission / reception device ? configured as described above into the external ear canal, and
when the conversion device 3 is given an electric signal from the increase 11ilat shown in FIG.
Converted to sound waves. This sound wave propagates through the medium of the hollow
section a and reaches the -C tympanic membrane, and the reception can be performed without
any problem.
Next, in the case of transmission, when voice is emitted, part of the voice travels through the
bone marrow, muscle, skin, etc., and reaches the external ear canal, and from the fitting part to
the hollow part a of the conversion device 3 Move the shooting unit 3a. This operation is
converted into an electric signal, which is applied to the device amplifier t at the switching of the
switch 7 shown in FIG. 8 and amplified to a predetermined value. As described above, the true
earpiece can detect the sound wave particularly well in the case of transmission, and can be
practically used in the case of reception. FIG. 2 shows an embodiment of the invention according
to the present invention. In this embodiment, the conversion body 3 is also immersed in the
medium ? ? ? bVC, with the front body 1 as an airtight structure. Even in this case, the sound
wave is transmitted to the fitting part well and in the opposite case, the sound wave is also
transmitted to the conversion table # 3. As described above, according to the present invention,
the sound wave is transmitted through the bone marrow in the case of transmission because the
medium for propagating the sound wave is filled into the insertion portion or the inside of the
main body-wave f: insertion portion Thus, an excellent earlobe-type handset can be obtained,
such as being able to be reliably transmitted to the conversion device without being attenuated
and capable of transmitting a sound wave without any problem even in the case of an incoming
call. In the above embodiment, the main body lt may be formed of a flexible member, and the
conversion table f3 may be formed so as to be in contact with the outer side KWf of the main
body l within a range not changing the gist. Various modifications are possible.
4. Brief Description of the Drawings FIG. 1 is a cross-sectional view showing one embodiment of
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the present invention, FIG. 2 is a cross-sectional view showing another embodiment 9j + of the
present invention, and FIG. 98 is a block diagram showing use means of the present invention. It
is. 1 иии Ear frame type transmission / reception device, Ko и и и и и и и и и и и и conversion device 3a и и и и
и и и и и и и и и и и и и insertion part, ?a и и и hollow part, EndPage: 24C1 ) ... medium ,! ... Sealer. ? 2 /
EndPage: ?
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