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JPS5472525

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DESCRIPTION JPS5472525
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view of an earphone-equipped
microphone according to the present invention, FIG. 2 is a cross-sectional view of the main parts,
and FIG. It is sectional drawing of the case unit part at the time of making a use mode different.
DESCRIPTION OF REFERENCE NUMERALS 1 · · · · · · · · Case unit, 11 · · · · · · · · · · · · · · · · · · · · · · · · · · ·
· · · · · · · · · · · · · · · · · · · · · · · · · · · Mike, 15a, 15b ...... microphone and speaker, t6a, 16b ...... opening,
2 ...... sound conduit unit, 21 ...... sound conduit mounting portion , 22 ...... collected caps, 23 ......
ear receiver, 24 ...... sound conduit 3 ...... outer code, 4 ...... Microphone adapter.
[Detailed description of the invention] This invention is related to the structure of the headphone
device, especially the teacher's door obtained by playing back the teaching materials, and at the
same time, the learner records the voice generated by imitating this The present invention relates
to a headphone apparatus suitable for use as a training appetite for obtaining. Furthermore, it
should be noted that as a 林 character tree, there is a practice method that reproduces the
teacher's voice recorded in the recording medium and listens to this voice at the same time, or a
9.11 person uttered himself R2 ':-Confirming the condition is true to the voice generated by the
self-generated whistling voice so as to listen to the third person's voice Because there is no, the
unrecorded part is provided in the recording medium in which the teacher's voice is recorded
according to the pretext, and the learner's voice is recorded at the end and reproduced later for
comparison. The method to do is generally performed. For this purpose, in the conventional
headphone device, a microphone for recording the pronunciation of the learner was separately
provided, so this microphone becomes an obstacle except for use for language training, and its
application is limited due to its configuration. There is a drawback that it is not common. The
present invention aims to eliminate the above-mentioned drawbacks, and it is a multipurpose
headphone device which has functions such as a microphone for stereo recording and a
reproduction of pinaural stereo at all as well as for language practice. To provide The present
invention will now be described in detail with reference to the drawings. FIG. 1 shows the basic
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configuration of the headphone device according to the present invention, and this headphone
device is a cylindrical or square cylindrical case 11 made of a lightweight casting material such
as synthetic resin or the like. The sound transmission hole 12 is opened substantially at the
center of the case, and the plug 13 for external cord connection is attached to the opposite side
via the flexible pipe, the microphone 14 is placed at the sound transmission hole opening
position of the case 11, both ends of the case The microphone unit and speaker 54.15k are
disposed in the case unit 1 electrically connected between the plug and the plug in the inside of
the case, and the opening side is fitted on both ends of the case 11 to form a substantially
spherical body A sound collecting cap 22 provided with a sound conduit attachment s21 at a 1place angularly offset 1 to a center of the spherical body at the bottom of the spherical body, and
one end is inserted in the attachment and the other end receives the ear 23 is inserted and
attached to a string-like tubular member And a constituent has been a sound conduit 24 and the
sound guiding tube unit 2 composed of. The microphone 14 is provided in the case 11 as shown
in FIG. 2 and attached so that the position is not moved by a support member (not shown) by
passing it through the sound hole 12 [dia. Further, 15-is fixed by a support member (not shown)
so that the opening portion 164 of the case 11 and the bending plate sound bending parallel to
the central axis of the case.
The microphone 14 is preferably an electrostatic directional microphone as an example, and a
microphone / speaker 5g, 15bFi electrodynamic non-homologous microphone is preferable, but
various combinations are conceivable. At this time, even if the microphones and speakers 15a
and 15b and the microphone 14 do not interfere with each other due to internal vibration, they
may be separated by the partition plates 174.174 as shown in FIG. Alternatively, the diaphragm
sound pressure surface of the microphone / speaker 51.15- may be orthogonal to the shooting
root sound pressure surface of the microphone 14. The sound collecting cap 22 constituting the
sound conduit unit 2 is structured so that it can be viewed with the microphone and speaker
54.15k arranged at both ends of the case 110 as shown in FIG. The components 151 and 154
may be completely housed in the case 11 and may be fitted to one percent 16a and 166 of the
case 11. In addition, the sound collecting cap 22 is made of a synthetic resin that has elasticity,
and the microphone and speaker! While being elastically fitted to Ml, 15-, the distance between
the pair of ear receiving parts 23 is narrower than the distance between the two ears of an adult,
and the cap (sound conduit attaching part) is combined with the elasticity of the sound conduit
24. It is designed to be elastically brazed to the user utilizing the elasticity of As a mode of use of
this headphone device, one end of the external cord 3 is connected to the plug 13 and the other
end is connected to a recording and reproducing device such as a tape recorder, and the user
receives the ear receiver 23 shown in FIG. If the sound conduit 24 is pushed and spread out as
shown by the arrows to attach it, the case unit 1 will be located near the user's jaw, so the learner
can hear the teacher's voice prerecorded on the recording medium. At the same time listening to
the voice of the teacher while playing and listening through the microphone and speakers 5a and
15b, if the learner's voice is recorded in the unrecorded part provided corresponding to the voice
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of the teacher of the recording medium by the microphone 14 The voice used is recorded and, of
course, the conventional usage that the two are compared later, of course, the h missing bi
microphone 14 is turned off and the above mentioned microphone / speaker 54, 15 k is used as
a microphone Sound pressure signal that has entered from the ear receiving portion 23 through
the sound conduit 24 microphone and speakers! Ml, 15-1-In addition to this, recording this
output enables binaural recording. Also, in this case, the sound conduit unit 2 can be removed,
and after removing the sound conduit unit 2, the microphone adapter 4 such as a artificial ear
that can be used as a stereo microphone and is shaped like a human ear is attached to the
microphone and speaker 151.15k. As the sound pressure input is taken in from the opening 41
of the adapter, it can be used as a binaural stereo microphone.
In the case of this example, the external cord 3 may be removed from the plug 13 and connected
directly to the recording / reproducing apparatus via the plug. Although not shown, when only
the microphone 14 or the microphone / speaker 511 or 154 is used, there is a sense of safety
provided with a three-use switch for stopping one of the devices 111 which are not used. As
described above, this invention uses a microphone in the case, a case unit having a microphone
and a speaker attached at both ends of the case, and a sound collecting cap with a sound conduit
with an ear receiving part at the end. The sound conduit unit is detachably attached to both ends
of the case unit through the sound conduit unit, and an external cord can be attached to and
detached from the case unit via a plug, and further converted to the sound conduit unit. The
microphone adapter can be added to both ends of the case unit, so various usage modes can be
taken, the user's generated voice can be heard directly by the ear, and the storage volume can be
small because it can be disassembled when not in use. The father, the father and the case unit are
provided with a plug and can be electro-mechanically connected to the external connection part,
so when used as a stereo microphone or a pin-less recording microphone, etc. Directly by without
using the external code, so can be connected to the device it is one having an effect equal is
exceedingly handy.
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