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JPS57111199

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DESCRIPTION JPS57111199
Description 1, title of the invention
Headphone device
3. Detailed Description of the Invention The present invention relates to a headphone apparatus
in which a microphone is incorporated in an open air type headphone main body. Heretofore, as
this type of device, there has been one in which a sound producing unit and a microphone
incorporated in a headphone main body are directly connected to an internal circuit of a
recording and reproducing apparatus through a plug. In this device, the sound generator and the
microphone operate simultaneously at the time of the recording operation of the recording and
reproducing device. At this time the sound of the source monitor is micro knee. When this
howling occurs, which may cause the live voice and the source monitor 1 to interfere with each
other and cause howling in order to wrap around to the front Ic, an interference sound is
generated and recorded through the microphone, so a good recording can be made. May not be
able to The present invention has been made to solve the above-mentioned problems, and an
open air type head with a built-in sounding unit has a built-in microphone and a switching switch
for turning off the sounding unit at the time of recording operation. It is an object of the present
invention to provide a headphone device that can prevent and perform good recording. EndPage:
One embodiment of the present invention will be described with reference to the drawings. In
FIG. 1, 1 is an open air type headphone main body, and the main body 1 is configured by
mounting an open air type frame 3 having a sound generating unit 2 internally mounted on both
ends of a U-shaped support member 4. Then, the microphone 5 is incorporated in the headphone
main body 1 and electrically connected to 8. The sound generator and the microphone 5 are
switched and connected by on-off operation of a bell sound operation button 9 disposed on the
upper end surface of the tape recorder 8. Next, the power system of this device will be described
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with reference to FIG. The sound generation unit 2 of the headphone main body 1 is connected to
the magnetic head 14 via the switch 11, the il sound amplifier 12, and the switch 13. On the
other hand, the microphone 5 is connected to the magnetic head 14 via the switch 15, the
reproduction amplifier 16 and the switch 17. The device 17 is interlocked with the sound control
button 9 to switch and connect the sound generation unit 2 of the head horn main body 1 and
the microphone 5. Therefore, according to such a configuration, when the @ -over operation
button calculation of the cassette tape recorder 8 is set to the recording mode, the circuit of the
sound generation unit 24 of the headphone main body 1 is cut off. For this reason, the howling
state in which the source monitor sound wraps around to the microphone 5 at the time of
recording operation, and the raw sound and the sound of the source monitor interfere with each
other. There are no elephants and you can always make good recordings.
In addition, by using the open air type herd bone, it is possible to directly hear the raw sound °
through the open air type frame 3, it is possible to easily confirm the source during the bell
sound operation. Referring now to FIG. 3, another embodiment of the present invention is shown.
In the figure, reference numeral 21 denotes a shell plug which is connected to the cord
connector 23 through a switch 22. 24 is Furukawa microphone plug, 25 is left # 4-? It is
connected to the cord connectors 2 and 3 respectively by an microphone plug. The cord
connector 23 can be coupled to the plug 7 provided on the connection cord 6 of the headphone
of the above embodiment, and the switch 22 can be turned off at the time of the front operation
a. Also, by using this adapter, it is possible to easily connect to a conventional recording and
playback device. The present invention is not limited to the embodiments described above, and
various changes may be made within the scope of the present invention. For example, although
the microphone is incorporated in the frame of the headphone main body in the above
embodiment, the present invention is not limited to this, and for example, the microphone can be
provided detachably on the frame. Further, the present invention, in which the microphone is
incorporated into the frame of the headphone main body in the above embodiment, is not limited
to this, and can be incorporated into, for example, any support. As described above, according to
the present invention, by incorporating a microphone into an open air type headphone
incorporating a sound generation unit and providing a switch to turn off the sound generation
unit at the time of recording operation, the howling phenomenon is prevented and good
recording is performed. It is possible to provide a headphone device that can
4. Brief Description of the Drawings FIG. 1 is a perspective view showing an embodiment of the
present invention, FIG. 2 is a schematic circuit diagram of the embodiment, and FIG. 3 is another
embodiment of the present invention? It is a perspective view which shows the principal part. 1 ·
························································································
· · · · 4. ··· Tape recorder 9 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
· · · · · · · · · · · · · · · · · · · · · tape recorder 9 · · · · · · 12 · · · 12 · · · Switch 23 · · · cord connector 24 · · ·
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Furukawa microphone plug 25 · · · Microphone plug for the left EndPage: 2
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