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JPS5671686

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Notice
This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
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DESCRIPTION JPS5671686
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view showing one
embodiment of a microphone device according to the present invention, FIG. 2 to FIG. 4 are
partial detailed views of FIG. 1, and FIG. 6 is a partial detail view of FIG. 5 and FIG. 7 is a partial
detail view of FIG. 1 or FIG. 11 и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и
и и и и и и и и и и и и и и и и housing, 111 и и и и main storage room 112 и и и и secondary storage room 113,
114 и и и и и и Guide-groove, 12.22 и и и .... printed circuit board assembly, 1211.22 ...... negative
power supply terminal shared branch, 123.124 ...... screws, 125 ...... antenna combined output
lard, 115 ... ...... и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и
и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и Coil spring, E и и и и и и и и и и и и и и и и и и и и и и и
и и и и и и и. 127a и и и и и и и и и и и и и и и и и и и и и и и и и и и и operating member, 117 и и и и и и и notch
иииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии Screws
128a, 128b ? ? ? ? -Locking part, 131a. 131b ...... mounting portion, 132 ...... protective
member, 14 ... ... windscreen, 15 ... ... cap, 221 ...... echo volume with switch , 221a ...... operation
unit, 222 ...... shield the combined mounting member, 112a ...... recess. Fig. 4 (b) ??????
DETAILED DESCRIPTION OF THE INVENTION The invention relates to a device having a
modification of the assembling structure of (27 :). Unlike the conventional dynamic type
microphone 71, the well known microphone type 71 microphone requires an impedance
conversion circuit and an electric oil power source for driving the four impedance conversion
circuit. Also, even if it is a dynamic type 71 crophone, so-called wireless microphones 77 и и / /, S
need to use a variety of circuits for transmission (two, driving these circuits Battery power is
required. And, thus, the microphone S & which needs to mount and store the printed circuit
board assembly for mounting two circuits and the drive battery for mounting outside the
microphone unit is rationalized in various aspects with respect to its assembly structure This is
required. That is, its assembly structure is-simple: two simple and light weight (two
diversifications-two contributions, and two electrical characteristics and acoustic characteristics
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Good: Two things must be possible. 7) 4) However, conventionally there is no microphone device
that can meet such a demand, and the assembly structure is often complicated and heavy, and
there is no diversity yet military characteristics and thus acoustic characteristics. There was a
regret that it could not be demonstrated enough. Therefore, the present invention has been made
in view of the above two points, and in particular, two sets of selectively insertable guide rods in
the storage section of the two printed wiring board assemblies are provided. Diversification (the
purpose is to provide a very good microphone device that can contribute to two. Hereinafter, the
embodiment of this fitting will be described in detail with reference to the drawings. First of all,
FIG. 1 shows an example of a wired / wired 1-less microphone device: a dual-purpose
embodiment of curr I 1, in which 11 of the V's are intended to combine the mounting portion
(mold frame) and the storage portion (case). и и Kunung. Further, this rubber 11 is a so-called
mold molding method (two are integrally formed by molding a resin as a raw material and
molding it into a predetermined shape, and the front part ? two substantially conical cylindrical
shapes (two When the main storage chamber 111 is provided (two, the small-diameter side of the
storage chamber 111 is continuously connected in the rear to form a substantially ship-shaped
sub-storage chamber 112). Here, the main storage chamber 111 has a large diameter-;
photoelectrics are opened, and the main storage chamber 111 has a horizontal relationship such
that the front substantially cross shape as shown in FIG. 2 (al + tb) C along the axial direction. A
guide groove 113 and a guide $ 1774 in a vertical relationship are formed, and the printing
layout lIM & assembly 2 is inserted from the opening end and is inserted in the guide groove 113
having a horizontal distance gf-2.
As a result, the printed wiring board assembly 2 housed in the semi-full storage chamber 1 of the
housing 1 is held by the support posts 121 and 122 for the negative terminal and the source
terminal which are provided in the upper and lower sides 1llli and two. 11 [When installed from
two opposite screws 123, 124 2]: 2. One point to which the output cord (also used as antenna)
125 is drilled in the boundary wall 110 between the main storage room 11 and the secondary
storage room 112 Side through hole 110a? After passing through and covering the bottom 1 m
of the secondary storage chamber 112, it is extended to the outside from the bracket 115
attached to the rear end of the secondary storage chamber 112 and is connected to the
connector 25a + 2 at the front end. As shown in FIG. 3 fa) and fb), the positive and power
terminals 126 of the first printing 11 wiring board assembly 2 are provided with the upper
through hole 110 b drilled in the boundary wall 110 to form the ? j collecting chamber 112.
Inside; knee punishment is prominent. As a result, the contact between the positive electrode
terminal E + of the battery E housed in the sub-storage chamber 112 and the positive electrode
power supply terminal 126 of the printed wiring board assembly 2 is secured without any
distortion. In addition, as shown in FIG. 4 (a), filli 1 (in FIG. 4 (a), the negative electrode terminal
E? is a concave portion 112a at the rear of the secondary chamber 112!). It will be in elastic
contact with the two call-like sprinkles 116. In this case, the coiled valve link 116 is disposed
such that the base end portion thereof is in electrical contact (two contacts with a conductor
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deposited by two chemical plating or the like). Thereby, from the conductor fil I post 12]. The
connection of the noble metal terminal of the printed wiring board assembly 2 (the two negative
terminals E of the battery E and the negative terminal E- of the battery E are secured without
pulling out the wiring) via the screw 123. 124 fixing portion of the 122. The housing 11 is
coated with an insulating paint serving as a makeup on the upper portion thereof so that the
conductor deposited on the outer surface thereof is not exposed. Also, in order to prevent the
positive electrode terminal E of the battery E from coming into contact with the outside
conductor 111i of the boundary wall 110 in the housing 11-2 in any state (2, fa 3 fa)-1 Like the
outer edge 8 of the boundary wall 110 (! (The two protrusions 110c are formed. That is, since
the end face of the 1ii battery E +, whose positive electrode terminal E + of the battery E contacts
the conductor portion on the outside of the boundary wall 110, contacts the protrusion 110c, the
battery E goes further forward (two That will be countered. Thus, the positive terminal E of the
battery E contacts only the positive power supply terminal 126 of the printed wiring board
assembly 2 properly, causing an undesirable situation such as unnecessary lPl cost due to a short
circuit of the battery. To prevent.
Further, the changeover switch 127 provided on the eye-j printed wiring board assembly 2 is
provided with the upper part 1: the upper part of the operation member 127b or the upper part
of the storage room xr1ov effective for holding the .sigma. From the cut-out portion 717 to the
outside ((2), the operation port n is made, for example, the off position to the wired position or
the wireless position (: switchable). First, when the printed wiring board assembly 2 is a
condenser type, as will be described later, an impedance conversion circuit therefor and various
circuits for transmission serving as a wireless microphone are mounted. Ru. In addition, when the
decoration ring 118 is fitted to the front 5 (two are inserted into the projecting portion of the
two operation member 127b, the decoration edge 119 is screwed by the screws 119a and 119b)
. -A sword, the printed wiring board assembly 912 supports the microphone unit 13 of, for
example, a capacitor type in front thereof, and in this case, two projecting locking parts formed
on the front end of the printed wiring board assembly 2 Ear-shaped attachment 1% J3 Ja in
elastic body 131 such as rubber in which 128 a and 128 b enclose 71 crophone unit 13. The
microphone unit 13 is substantially supported (two directly supported by the two 131 b + two
contacts 7 if q). (See Figure 7). In the figure, reference numeral 132 denotes the front of the
microphone unit 13 (two protective members are provided. Further, as described above (the
windscreen 14 is screwed to the front of the two assembled housings 11 and the substantially
conical cylindrical cap 15 is screwed so as to cover the secondary storage chamber 112 of the
blade thereafter). It is united. Next, FIG. 5 shows a second embodiment applied to a microphone
device with echo (reverberation effect), but the same components as in FIG. The description will
be omitted, and only two parts C different from FIG. 1 will be described. That is, in this case, the
printed wiring board assembly 22 is accommodated so as to pass through the inside of the guide
11 which is in the vertical relationship of the main storage chamber 111, and the reverberation
time is, for example, 0 to 2 seconds 8 degrees. The switch body has a switch-equipped echo
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bottle 9 neem 221, and the operation part 221a of the echo volume 221 is projected outside C2
from the notched city 1 no provided in lIs of the main storage room 1 no. . In addition, the
printed wiring board assembly 22 is mounted on the main storage chamber 111 of the howsong
11 (FIG. 6 (two semi-circular attachment members 222 provided with a shield plate effect as
shown in FIG. 123.124 will be stopped.
Thus, a 71 embodiment rohon device (* 2) is a combination of a mold frame and a case as the
first box 1). By using the above, it is possible to achieve simplification and weight reduction of
the configuration, and it is possible to say that the cost reduction is achieved (the 11 points of 1
loss and 1 loss are lost). In other words, the frame of the conventional flange sm in terms of C;
the microphone unit, the printed wiring board assembly, and the battery after the attachment
portion are housed separately in a separate metal case C. Therefore, the complexity of the
structure and the weight increase, and the price increase can not be avoided, and the following is
how to integrate these into a mold frame and a case, as described above. This is because the use
of the ring 11 makes it possible to eliminate the conventional disadvantages. Next (the second
and second points, the entire housing 11 (or only the necessary part of the town) which
combines the mold frame and the case (or the necessary part alone) (two liquid N conducting
conductor! From the second point of view, it is possible to connect the negative terminal E- of the
battery E and the negative power supply terminal of the printed wiring board assembly 'J12,22,
that is, the circuit connection called common connection or ground connection. Since the
conventional one needs wiring rendition with respect to this fact, it needs extra space and work
man-hours by # # (two reliability problems. However, by using a conductor that can be attached
to the entire housing that combines 1 ni-mold frame and case as described above, the
conventional disadvantages can be solved with I'iT capability by using this conductor. It is
because In this case, the body has a built-in effect of guiding the whole of the housing by
molding, and it is comparable with that of the conventional metal case in this point. Also, as the
third point Related to the above second figure, и и и и [all the whole [1 conductor is attached f or
using the thing as described above (in any case (2 It has a structure that can be prevented. As a
fourth point, it can be mentioned that the mounting structure of the 71 crophone unit 13 is
simple, and the structure is electrically and acoustically excellent. The microphone unit 13 is
directly connected to the microphone unit 13 via the elastic member 131 of the vibration
prevention piece so that the distance is extremely close to the printed wiring board assembly 12
as shown in FIG. It is force one.
In this respect (the conventional ones use a member other than an elastic body (a member
dedicated to connect two microphone units is l-fluor, and since the position of the contact is
apart from the printed wiring board assembly, Although it is easy to spread undesirable visit
noise due to the two problems described above, it is possible to eliminate the conventional
disadvantages that are more than one to one. As the fifth point, и и и и fixed surface in the main
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storage chamber 11 of the housing 11 in the horizontal direction and the vertical direction
perpendicular while the axial direction of the axial direction (one guide groove 113.114 is
formed And use different insertion directions as in the printed distribution board assembly 12 or
22; for example, it is possible to respond with a common method, for example, in the case of both
an ordinary microphone and an E-type 71 phone. Diversity is the point of certainty. This is the
standardization power 1 '8j of the part, and the benefits are spread over various pots. In addition,
as described above (a coiled spring 116 (instead of two-и и и integrated with the secondary storage
chamber 112 of the tongue 11: 2 i 4 so as to use an elastic tongue piece: 2 may be used, of
course, in this case The conductor to be attached to the tongue piece as a whole is also integral (implanted with f). Also, in place of the cap 215 having a substantially conical cylindrical shape, it
is necessary for the battery slipout of the secondary storage portion 112 located in the housing
1I. It is good also as a lid which opens and closes only a small opening disorder. Therefore,
according to the present invention described in detail above (the second, according to the second
embodiment, the second printed wiring board assembly has a storage part for the mass; two pairs
of selectively passable parts have to be provided. Further, it is possible to provide a diversified
(very good microphone device that can be put together).
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