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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment of the present invention,
FIG. 1 is a cross-sectional view of the main part, FIG. 2 is a back view thereof, FIG. 3 is a front
view of a shutter, and FIG. 3 is a sectional view taken along the line A-A in FIG. 3, FIG. 5 is a front
view of the pressing plate, and FIG. 6 is a perspective view of a knob. 1
ииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии Different
element, 2 иии Cavity ring, 3 иии Rear plate, 3 a и и и и и и и и и и и и и и Short Parts 5 5 bosses 6 L 7 shutters
7 a junction surfaces 8 through holes 9 ....... .......... Figure 1 Figure 2
[Detailed description of the invention] Description of the invention ? name of the device
microphone 2 practical point ball in the back of the ball claim the state of the state of the
diaphragm Dr ? ti: + ? ? ? ? и holes in the back direction 1 before placing Face the cedar
with a board 7 and upper 1. ? Provide a transparent pin with a stoma corresponding to the
minor hole, and rotate and displace the elbow / yellow pin to make each through hole continuous
speed from the foot or (hJdA (4) The rear face of the C (C ? 1 ? t ? ? ? ? ? ? ? ? ? ?
?The microton body and the back of the tin case housing case "... 'rule: A microphone
characterized in that the algebra 1 solid t one hole i. Of three ideas, a sheep-thin curiosity book,
t)]-Between J: Malte and Neuscan cell type microphone: JJ ? ? 11 11 11 ??????????
??????????? In the prior art, the microphone ? (in which the four noises 1 to ? 4
sheets tl-i,> cancel the squeezing (sending; noise during mixing or no mixing at 1 ░)) is used as
an algebraic microphone. The method of mixing on the air and adjusting the sound pressure of
the back of the diaphragm @ I and IJD with a single microphone [, sound harmful! There is a way
to make a union and '711, but in this note 4 microphones rm one to one microphone. C1 to a
microphone to mix acoustically, and, for example, in a 7-tensor type microphone, the side of a
virtual face (a rear surface having a plurality of holes is disposed, and a seed of this spine 1 A
shutter is provided with a through hole which can be matched to the E-contact n1 rear plate on
the surface by means of a spring, and the opening and closing of these holes are adjusted by
pivoting the shutter. There is. In addition, the structure of the back plate of the conventional
microphone and the seven yanopters described in L were separately proposed, and the
microphone was separately proposed to us first. Yes, switching between the normal type and the
noise cancellation type at the time of the shutter @ fw to make this function have 11 functionsthis kind of My-2 = 8)-in 1 crophone% (with noise cancellation When used as a type, the problem
of sound pressure level in the Haunong gives a large shadow to the cow. Therefore, when
designing a microphone of such a switching system, this level is fixed or very much, and it is
necessary to use the microphone element E, which is used as one microphone as a microphone,
as noise cancellation. In addition to the structure of the ? ? ? ? ? l cavity and the packaging
of the microphone body, the presence of the housing case has an effect on the 11th heaven.
Also in our various experiments, if we put a housing case, the sound pressure of the back (2) one
item or rumorization I 7 17 17 Mai, Zhi Zhi 'J% doo,' =,] KHz-2 KHz It is close or waiting, and the
level is higher than the normal level, and the sound is rather offensive. The present invention, I
bowed slightly, solved the defects l2, ...-Back 1 'of the Unnok case! ! Provide a plurality of solid
holes in l (c) to reduce the sound pressure balance with the sentence by one c (C and n, so that
the waveform of the beak can be lowered to reduce the appreciable liver 3- 'It is intended to
provide 1- Hereinafter, an embodiment of the present invention will be described with reference
to the drawings. In the figure, 1 is a conversion unit, and a diagram, T: 1 or 1] (in this case, a
dynamic type is shown [2; (Not necessarily. 21 or more-Remove 1-by cavalley ring 171,
cavitation ring 3'-J back by 171, integral with the short tubular portion 4 attached to the outer
peripheral surface of the cach tear ring 2 The 'C formed nine, the center portion fixed boss 5 and
the radially formed front hole 6 are formed n. This back surface l @ 3 is formed at least in the
shape of a chilper-shaped connecting surface 3a1 with glazing -7. Gloss 7 is provided rotatably
around the above-mentioned hos 5, and is formed into a through hole 8 or a shot so as to
correspond to a through hole 6tc, and at least F filter 1 back----- Bonding to the plate 3 I ? i 7 a
Iri Taper The cedar-shaped n, the back plate 3 and 7 yanotter 7 and the groove 7 are in sliding
contact with the faeces. In order to improve the sliding property between the two and to keep the
airtightness, apply grease on the joint surface 1 or 1Ao. Also, this shutter 74-1-1 и и и и и и each hole
8 A notch 9 is provided so as to be located between .8. A reference numeral 10 is a history-like
presser foot for pressing the 7 yanotter 7 against the back surface 3 and 3, and can be pivoted
about a small diameter portion made of cedar at the tip of the 2nd fos 5 It is-and it is a calf gill
nine with a screw with a screw. The one back plate 1o is formed so as to be radially engaged (...
Formed by the pressing piece 10a and rL so as to correspond to the above-mentioned notch 9: 1)
C engagement 1 It has become. Therefore, it is configured as follows: 1) The first turn takes place
1), the first turn 6, the second turn 7). The number ? 14 sweat necks of the notch portion 9 and
the pressing piece 102I may be sufficient. Note that the control lever 12 or the integral icw Hl-is
installed, and it is bent or protruded outside the housing case.
???? As described above (constituted by f and the microphone body A (with the how / fug
case 13 covered). A tip 14 of the operation lever 12 is attached with a knob 14 and this knob 14
is designed to slide in a long hole 15 provided in the how / 7 case 13. ????????????
D-O, 1 ? 7, 2,2 ? 2, 2 ? i i i 2i ?)) ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
? ?? ?? ?? ?? ?? ?? ?? ??? ? ? ? Ujifug case 13n inside 'II + 1], nine short
click grooves formed on the ridge (small figure 1. There is no way to sing inside. Therefore, if you
prohibit the knob 14, iC is supposed to be one in the spirit position. The reference numeral 17
denotes a hood of the conversion unit 1 and a front slit of the 1.181-i unng case 13. In the
present invention, 1 on 1 self housing case 13 D rear surface 1 to 1 through 4 through 11
through holes 19 or by ? ? ? ? ? ? ? ? ? ? ? ? inside ?? ? ? ? ? ? ? ? ? ?
That's right. ?????? Show rice with rice and goliat. According to the microphone of the
present invention, it is formed on the back plate by rotating the shutter, or is formed on the 4
holes and the glossy hole, or by making a single blue hole or ll't.? ? ? ? ? ? ? ? ? ? ?
? ? ? ?-? ? ? ? ? ?-6- -The back side of the sleeve ('c With multiple through holes, when
used as a noise cancellation type, the sound pressure balance inside the whistle can be reduced,
which lowers the peak t & shape It has the effect of being able to reduce earwax t. 1 single
square of 4 drawings. i 57 letters 1 figure m и Implementation of the present invention и 'y 11 is
shown, 11 ? 1 is a stone block diagram of the tip, Figure 2 is a back view of each other, Figure 3
is a front view of / Yasota, Figure 4 31 is a 31st nere (in the 8-A line section), and FIG. 5 is a
perspective view of a knob provisional front M1100. 1 converter, 2 cavity ring, 3 back plate, 3a
joint surface, 4 @ tubular portion, 5 hoss, 6.19 holes, 7 shutters, 7a joint surface, 8 excellent
holes, 9 notches, 10 presser bars, 10a pressing piece, 11 additional screw, 12 operation levers,
13 cases, 14-y7, 15r <1-L 116 tongue, 16a click projection olfactory practical model building
ball unpacking person Trio stock Fig. 1 41239 A2 Fig. 2 0201-7, 1 ░ 10 a4 Fig. 9 Ap 7010 a ░
? и A 5'1 230 J 'Nakata Shinkyo University H applicant ? j ? 2 elephant figure 4 figure 88-7
figure 7 figure 5 figure 6 10a10a42602 three 30 Fn utility model registration for petitioner bird
number one ? ((((
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