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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory view of one embodiment taken
to be a cross section, and FIG. 2 is an electric system diagram. 1.2 · · · · · · · · · Horn unit, 5 · · · · · · · ·
· · · · · · · · · · · · · · up and down movement, 8 · · · · · · · microphone.
[Detailed description of the invention] In this study, the purpose of the sound conversion device
is to place the 1- [hairstyle disorder so that the device can be installed from below the phi-horn
unit such as the receiver and the phi-horn unit. It is an object of the present invention to provide
an acoustic conversion device that prevents the surface layer operation from being simple, and 1makes the microphone be located near the daughter at the time of installation. Next, one
embodiment of the present invention will be described with reference to the drawings, VC: 1, 2 is
a known reflex horn unit, 3, 4 is a band in which the horn unit 1.2 is slidably mounted, 5 is a
band T-shaped middle plastic made of synthetic resin etc., openings Sla and S1m 'are formed on
the left and right 1 // sides of the top 51 of 7 and the bands described above from the openings
511L and 51 &' Three and four proximal ends 31.41 are inserted. Also, the shaft 51 b is on the
right in the top 51 of the gripping body 5. 51b 'is provided, and the band 3, 40 base end 1B
31.41 is 1! ! l Is freely pivoted. The bottom plate 61 has a solid layer n at the lower end of the
lower end of the holding member 5 of the holding member 5. Between the bottom plate 61 and
the middle plate 521L of the grip portion 52, a resilient spring l is provided. By this, the vertical
moving rod 6 always turns downward and a spring sword is applied. In addition, the Q work
piece 62 is integrally formed on the vertical movement rod 6, and when the guide hole 52b of
the holding portion 52 is to be projected. At the top of the vertical movement rod 6 to the east, a
supporting rod 63.63 'd ← 1 37 37. The first group of sevens and the group 4s 31, 410 of the
above-mentioned bands 1 and 3 are rotatably connected. sw、、sw! Is a micro switch, and
the projection 64. 64 'of the vertical moving rod 6 is raised and abuts on to make the on-one -1,
thereby causing one of the micro- and the switch SW1 to ffl the common ground wire of the horn
units 1 and 2 ! And the other micro switch 8 w o closes a part of the circuit of the microphone 8
provided on the m 5 st of the hollow gripper 5 0 in addition to the micro switch 8 W, the middle
gripper 50 part (Not shown) provided with a manual switch 8W in series! In fact these are
switches 81F, because these are jk pillows. The circuit tip of the microphone 8 is closed only
when the switch SW is turned on. In the above configuration, when not in use, the vertical
movement lever 6 is pulled downward by the elastic spring 1 and both of the micro switches sw,
at and are off, and the horn unit 1.2 also has the interaural distance It will work on a narrower
Accordingly, one path of the horn units 1 and 2 and the figrophone 801g1IllI are both open.
Next, with the gripping rod 51 of the gripping body 5 in hand, the control knob 62 protruding
from the vertical moving rod 6 is resiliently repelled by the splashing force of the spring T and
pushed up 1-, the vertical moving lever 6 is pushed up, and by this, the support 63 ° 63 ′ is
also pushed up, so that the bands 3 and 4 are spread to the outside of the L′ C with the m 51 b,
51 t) ′ of the holding body 5 as the fulcrum Become. Therefore, since the distance between the
horn units 1 and 2 is extended more than the distance between the user's ears, it is possible to
insert it from the side of the jaw and bring it to the position of the ear. Thereafter, when the
finger is removed from the operation knob 62, the vertical movement lever 6 is lowered 1+ by
the spring force of the resilient spring 1, and the horn units 1 and 2 are pressed by both ears and
hold the sled position. On the other hand, when the micro switches sw1, ay, 工, and the vertical
moving rod 6 slightly rise, they become ono due to the protrusion 1184 ° 64 ′, so the horn
units 1 and 2 become operable and the microphone 8 also turns on the manual switch aw3tt By
doing this, it is possible to operate only when the horn unit 1.2 is worn on the ear, ie, the horn
unit 1.2 can be produced only when the horn units 1 and 2 are worn on the ear, positioned below
the jaws when the horn units 1 and 2 are worn on the ear The microphone 8 to be operated is
also controlled by the manual switch SW so that one operation is possible. Note that in order to
remove the horn unit 1.2 from the ear, the operation knob 62 may be operated as described
above. これにより、マイクロスイッチsn、。 SW, both will be off. In addition, although it has
been made possible to turn both of the horn units 1 ° 2 for KP, this may be only one, and
furthermore, the micro switch 8 j K connects the load resistance in parallel, and the micro switch
It may be used as the load of the amplifier when the switch is off. Don't be sure to admonish 1 to
C1 62 作 1− 62, in this case, just open the horn units 1 and 2 by hand. According to the present
invention, the layering of the horn uni y) is easy and disturbing the hairstyle, etc., according to
the present invention. Furthermore, since these horn units and microphones can be operated by
the Wtv of the horn units, they are suitable for internal use for transmission and reception and,
for example, for language training.
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