JPS5011519

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DESCRIPTION JPS5011519
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal sectional view showing an
embodiment of the present invention, and FIG. 2 is a circuit diagram of the same example. 1 ·····
Microphone body, 3, 4 · · · · · · · · Sound intake, 5 · · · · · 1st microphone unit, 7 · · · · · · · · · · · · · · · · · ·
· · · · · · · · · 1st microphone unit, 7 · · · · · · · · · · · · 8 switch
·········································································································· Elastic body One 45-
The present invention relates to a reverberation microphone with a switching device for
obtaining the remaining 4I by the attenuation action of .sigma.1--IF dielastic material. The
purpose of this 'IJ' is to use a single microphone to switch between a normal sound signal, a
reverberant sound signal, and both sound signals and to obtain an appropriate sound box signal
by simple operation. It can be used to provide a reverberation microphone tube with switching
device. Hereinafter, one embodiment of the present invention will be described with reference to
the drawings. The first sound intake 3 consisting of the central 16 Kr JIR port of the lid 2 of the
case 1 is provided. With the age of four holes in the periphery? An acoustic inlet 4 is provided.
111Kjl of the 5 years above 1 sound intake 05 to 5! This output terminal 6 is connected to the
terminal of the changeover switch 7 mounted on the one side of the main body 1 of the upper
arrangement. 8 汀 The above-mentioned main body 1 is provided with a high-performance f1 6
receiving diaphragm, and is provided above 9σ−b, and 4tit is a leaf spring; 1e 10 is provided
below the above diaphragm 8 It is a first □ 2 microphone unit, which is connected to the
terminal of the connection switch 7 on the terminal 1412 and is h. Further, a bottom part Krj 11i
spring 11 of the upper V main body 1 is attached, and an elastic body 12 consisting of a burr
spring, for example, is stretched between false rice bran 11 of the upper V and upper V @ bone 9
and fakes. The spring 12rr is connected to the center IBK of the vibrating portion 13 of the
diaphragm 8 and the second microphone unit 10 in the middle thereof, and the reverberation
microphone unit) ii formed by the diaphragm 8 and the elastic body 12 and the second
microphone unit 10 -The above-mentioned plate spring 9.11 and the above-mentioned leaf
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spring 9.11 and & -L-shaped eraser 21-徊 4 theta-44 794, and one vibration $ 13 at the
vibrating portion 13 of the 22 microphone unit. The vibratory property of the diaphragm 8 and
the leaf springs-9 and 11 is set as A. Also, the structure of the cut and discharge switch 7 as
shown in FIG. Lead to the output @ (a circuit that leads only the signal from the second
microphone unit 10 to the output 1IIK, and the signal of the upper one-side microphone unit
5.10 is slipped together to lead to the output @ (− path and all It becomes K so that it can be
switched suitably. Next, the function of the above embodiment will be described. A sound IIK
generated in the first microphone unit 5 by the sound lIK entered into the main body 1 from the
first sound A port 3 I '; The diamond 7 is vibrated by the sound 4IIN that has entered the inside
of the counter body 1, and the vibration is transmitted to the vibration IL 113 of the second
microphone unit 10 through the ring 12 and the vibration unit 13 vibrates.
Then, an acoustic signal is generated in the erioa microphone unit 10 due to the vibration of the
vibration s13. In this second microphone unit 10vC, after the dragon 31 · · · · yj sound input into
the main body 1 is finished, the damping vibration remains in the spring t2 and the vibration s15
shakes on this Therefore, a reverberant sound signal is generated. When the switch 7 is operated
to make a tube connection with the minute 7a and 70, only the first microphone unit 5, which is
a normal microphone, acts, and when 47m, 7b and t-11 are connected, only the 2nd microphone
unit 10 1) An acoustic signal with a residual sound is obtained, and if a tube connection is made
with the contacts 7a and 7d, both microphone units 5.10 operate at one time. As in this invention
C or the like, it is possible to obtain an arbitrary sound signal tube output gs from switch 1switch K appropriately switching the acoustic signal of a microphone of a normal type and the
reverberation acoustic signal of a reverberation microphone Can you switch according to the
necessity of the usual phonetic writings and reverberant sound signals? You lose something to
gain.
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