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JPS54174332

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DESCRIPTION JPS54174332
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a sectional view of a conventional microphone,
FIG. 2 is a perspective view of a microphone according to an embodiment of the present
invention, FIG. 3 is a side sectional view of the same, and FIG. 5 is a principle view. 13 ииииии Elastic
body, 18 ииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии Microphone unit
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a microphone
having reverberation characteristics, and is intended to facilitate the production of a high
performance microphone. As shown in FIG. 1, the microphone case 1 is provided with the sound
receiving unit 2 as a conventional micro phone of this type, and the output of the sound receiving
unit 2 is transferred to the urine work plate 4 through the elastic body 3 made of a spring or the
like. In addition, it is intended to be received by the vibrating wedge microphone unit 5 of the
springing plate 4) n unit 5 force etc. (.sigma. Reverberation sound applied 7 v-2 V x n 2
Shikashiko's microphone) 30 elastic bodies both The 511K sound receiving unit 2 and the
diaphragm 4 must be provided. Therefore, lateral blurring of the elastic body 3 is likely to occur,
and it is difficult to obtain good reverberation characteristics. The present invention eliminates
such a drawback and will be described with reference to one embodiment shown in FIGS. A
microphone case 11 has a holding port 14 of the valve body 13 at the rear of the housing
portion 15 of the first microphone unit 12 and has sound holes 16 and 17 at the outer periphery
of the housing portion 15 and the outer periphery of the case 11 There is. The reference numeral
18 designates a central moving part fixed to the central part 131 of the elastic body 13 and the
periphery is an imaging plate connected between the microphone case 11 and the coupler 19
and 20 is a second microphone unit held by the coupler 19 One end of the elastic body 13 is
held by the coupler 111 of the unit 2o. In this case, the coupler 19 is provided with a conical
hole, and fluctuations in the air chamber formed by the coupler 19, the cast-off gear 18 and the
microphone unit 20 with the vibration of the diaphragm 18 are likely to add to the microphone
unit 20). I have to. Further, when the microphone unit 3 node 12fIl C C1 and the microphone
01-05-2019
1
unit 20flI are 02, the elastic body 13 is superior as a constant C or a constant 02 or a constant
C1 / c2. Next, the operation of this configuration will be discussed. First, the first microphone
unit 12 performs the same acoustic-electric conversion operation as a normal microphone.
However, the second microphone 20) is provided via an air chamber formed with the peaking
lever 18 and the coupler 19 and operates with the vibration of the diaphragm 18. Further, since
the diaphragm 18 fixes the elastic body 13, the diaphragm 18 is moved together with the elastic
body 13. Therefore, reverberation can not be obtained like the 811 bad microphone. However, in
this case, the diaphragm 18 is held at the central portion 131 of the elastic body 13 so that it can
be turned on in a horizontal blur etc. and the diaphragm 18 can be kept stationary while the
coupler 19 has a conical hole shape. The vibration of the IRI board 18 can be added to the
microphone unit 2o in a concentrated form, and the operation performance of the microphone
unit 2o-) all the improvement can be achieved 4 constant of elastic body 13 1: c If it is set as
2C2, it will become a single reverberation constant, but the reverberation signal near natural can
be obtained by setting it as C1 / C2.
As apparent from the above-described fil, according to the present invention, the lateral
movement of the elastic body can be prevented, and the reverberation sound can be effectively
added to the microphone unit by the kabra, so that the microphone having excellent
reverberation characteristics is obtained. Can be provided. Brief Description of the First
Embodiment FIG. 1 is a sectional view of a conventional microphone, and FIG. 2 is a perspective
view of a microphone according to an embodiment of the present invention. The third failure is
the same side sectional view, FIG. 4. 13 elastic body, 18 vibration lever, 19 ... coupler, 20microphone unit. Name of the agent 7 TFt 'Toshiya Nakao et al. 1) Fig. 14 Sekai, Fig. 2 H / 7 ?
23 "74332 Name of the agent ? ?f6,. 7 FIG. 4 a ? 17.9 FIG. The name of the agent Patent
attorney Toshio Nakao or one person 6 An agent other than the one mentioned above! 1, Osaka
Prefecture Monjo City Ogata Mon 1006 Address Matsushita Electric Industrial Co., Ltd. 49 "49
Name (6152) Patent Attorney Kanno Shigetaka и и и и 2 Sacrifice + 4 six-year-old + ^ Su) ?-?
0332
01-05-2019
2
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