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JPS4841201

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Notice
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complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
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DESCRIPTION JPS4841201
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an electric circuit diagram of one example of a
general two-channel microphone mixing circuit, and FIG. 2 is a conventional four-channel
microphone mixing that can be considered from the two-channel microphone mixing circuit
shown in FIG. FIG. 3 is an electric circuit diagram of one example of the circuit, FIG. 3 is an
electric circuit diagram of one embodiment of a microphone mixing circuit to which the fourchannel microphone mixing volume assembly according to the present invention is applied, and
FIGS. FIG. 17 is a back perspective view, a back view, a plan view, a front view and a right side
view of one embodiment of a four channel microphone mixing volume assembly. 9 ииииии
Microphone, 10 ииииии Microphone amplifier, 15-18 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 Preamps, 19-22 и и и и и Main amplifiers, 27-30 и и и? Speakers, 31 ? ? ? ? ?
? ? Listeners, 32 ? ? ? ? ? ? ? 4 channel mixing volume assembly, 33, 34, 35 ? ? ? ?
? ? ? ?, volume, 36 и и и Chassis, 39 ..42 ........ Pivot lever, 43 .. .. Operation lever 43a ........ Shaft,
44 .. .. Ball. 1 1 ? 48-41201 (2) -2 1 ? 48-41201 (3)) t0k-3-?3?48-4201 (4) = 4 =
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a micro nan yan
nel mic assembling assembly, which mixes microphones in the sound field of a piano jan nel with
a single operation of a single V par at an appropriate volume for an appropriate channel. It is an
object of the present invention to provide a date channel microphone mixing volume assembly
configured to be able to be performed. The following description will be made with reference to
the drawings. Fig. 1 shows an electric circuit diagram of an example of a common circuit during a
general purpose circuit, the feedback signal supplied to the terminal terminal "-", R is a preamp 1
and resistors RI1 and RH, respectively. It is amplified by the amplifier wetting 6 and is output
from the terminal zrK 1111). For microphone mixing, (2) input signal to the microphone is
amplified by the company's microphone amplifier IO, and the switch rL-main amplifier via the
switch lR-main amplifier! In addition, resistance-one main amplifier! Therefore, when microphone
mixing is performed for the left channel signal J) K, the contact piece C of the switch S1 is
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connected to the contact aK, and when the right channel signal is performed, the contact C is
connected to the contact hK . The volume control is performed by changing the slider of the
volume VR appropriately. In this case, the left channel and left channel switcher switching
operations require co-operation with the volume setting operation. Applying the abovementioned circuit configuration of the konayannel i ic mixing circuit to a snail sound
reproduction yarn of a nayannel, which has recently been widely implemented, becomes a circuit
configuration as shown in the first diagram. Terminals 1 / ~ / li The supplied first channel signal
cA / N The first channel signal C ? is amplified by the preamp / j to / 1 and the main amplifier 1
to 1, respectively, and taken out from the terminal 23 to port A?, ?, 1 :. The regeneration
system is configured for the , Bird ~ -1 is resistance. As for the microphone mixing circuit, the
changeover switch 8. to switch the (3) contact piece to the da contacts ts, h, e, d. When only the
microphone mixing is performed, the switching operation for the desired channel and the volume
setting line are respectively switched. It has to be carried out separately for b and polyum VR ',
requires a single-step mixing operation as in the case of the conanance microphone mixing
circuit described above, and has the disadvantage that the mixing profile can not be set quickly.
The present invention eliminates the above disadvantages and will be described with reference to
FIG. FIG. 3 shows an electric circuit diagram of an embodiment of a datennel microphone mixing
circuit to which a dana-yannel microphone mixing volume assembly according to the present
invention is applied.
In this circuit diagram, the same parts as those in the first diagram shown in the first diagram are
given the same reference numerals. The speaker cores 30 connected respectively to the 1st '4'
channel signal output terminal J to the terminal tK are arranged to surround the listener 31 in
the arrangement shown in the figure. The J4t channel microphone mixing volume assembly
(hereinafter referred to as the volume assembly and the like) is the electric circuit portion ?a-a
'111-nC of the electric channel portion of the magnetic microphone mixing volume assembly,?
three of which are indicated by dashed lines. Abbreviated) 3 ko и company volume !!, J4t, J! have.
??????? ?????? Have center taps 3J to J4Aa and 31B, respectively, and these
center tags are grounded. The microphone input supplied to the microphone amplifier and the
microphone amplifier l? is supplied to the slider JJ & of the volume 33 of the three volume
assemblies. Volume 330 both terminals! IC and jJd are sliders 3ab and 3J of volume 31.3
evening, respectively! bK connected. Both terminals #a and 3ad of the medium 3v are
respectively connected to the input terminals of the main amplifier ?? of the main channel for
the first channel and the main channel of the first channel. In addition, both terminals 3 of
volume 3 j! e, Jjd24 fg3 main channel 2 main amplifiers 2 respectively. It is connected to the
input terminal of the main en peco cousin for the first day. 'When the microphone input signal
from the microphone amplifier is amplified by the microphone amplifier 10 and supplied to the
circuit of the three volume assemblies, the signal ? volume 3J, the arrow of this slider 3Jh, the R
direction ░ (6) The amount of signal is distributed. The signal component for the left channel is
supplied from the terminal JJe to the slider J1MK of the third polyum. The amount of signal
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supplied to the slider 30 is distributed in accordance with the sliding position of the slider 3uh in
the direction of the arrow ?, B. Similarly, with regard to the right channel signal component, the
slider 33hK of the polyum J3 is supplied from the terminal JJd and the slider 3! The arrows are
distributed according to the sliding position in the direction of arrows IP and B in h. Therefore,
the terminals 3446.31d, jjl, J! A microphone signal is extracted with an appropriate amount of
signal from direction d to directions PL, BL, PR, BRK respectively, mixed with each channel signal
eh / wah 4 AIc, and supplied to the main amplifiers 1 to 1. Thus, in the volume 33, the
microphone mixing amount in the R direction, that is, the seventh and seventh direction, and the
third channel direction in the cylinder portion is determined, and is determined on the basis of
the winding setting amount in the R direction. In the volume Jg, 31, F, B directions, ie, the first
one.
The amount of microphone mixing between the first direction and the first direction is
determined. In this case, each slider JJh, J4Ak, 31-is grounded at the center of each of the
polyums, and the microphone mixing volume expansion in that direction is closer as it
approaches either (6) IIOAlQnl-n1 or one of the both terminals. It becomes. In Fig. 3) to (7) show
seven embodiments of the assembly structure of the inner panel microphone assembly assembly
J- according to the present invention. One side 3aa KJ volumes 344. JJt is defeated coaxially. A
volume 33 on the l side is attached to one side 34 & adjacent to the side jAa at a right angle. A
semicircular arc-shaped pivoting V-part 3 pivotally supported at one end by a common rotational
shaft 77 of j / rium 71 and 3j, and a fixed shaft irK fixed at a side 7f33AeK side 9 facing the
other side JJaIIC It is done. The volume 33 is attached to the side surface JibK, and its rotation
axis UO is the other end of the semi-arc-shaped pivot V padako pivoted at one end by the fixed
shaft 17 opposite to the side surface 346K It is fixed to An operation V-par 3 has a pole m- in the
middle, and the ball 44 is held by the holder 3 at the central portion 4 of the chassis 36.
Operation (7) 1 / a <-@ J chassis 7) 4tJa extends on the back of the chassis, and is pressed into
the hole where the long hole 3 of the V-bar 39 and the long hole 3 It is passed. Here, when the
operation V-bar 3 is turned in an appropriate direction on the surface of the chassis 360 and
turned down, the shaft 4t1m is appropriately moved in the direction opposite to the rotating
direction of the operation lever 3 with the ball 4t- as a fulcrum. Rotate the amount. At the same
time, the V-par jP and the lever lever rotate. When the lever 3P is rotated by the automatic
operation of the shaft uJa, the rotation shaft 37 of the lithium 141.31 is rotated. Further, when
the V-per l- rotates, the rotation axis 0 of the volume 33 rotates. In the upper corner of the top of
the chassis 3t, IIA / -ychu is displayed corresponding to the reproduction sound field of FIG.
Therefore, in the present invention, at the time of microphone mixing, first, the operation V-bar 3
is turned as shown by the arrow 844 and appropriately rotated in the R direction. At the time of
? ? 7d, with the rotation of -p ? ?, the rotation shaft 410 of the volume 3J rotates, and the
slider JJk shown in the circuit diagram of Fig. 3 arrows and slides in the R direction, and the left
channel (The eleventh channel (8)) The right channel (third channel, first channel) K mixing
amount is distributed.
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Next, the operation V-bar 3 is appropriately rotated in the direction of the arrow v and B as
shown in FIG. At this time, with the rotation of V bar 3, volume J 4 t, 3! The rotary shaft 37
rotates to slide the sliders Jllk, Jjk shown in the circuit diagram of FIG. 3 in the direction of arrow
R, and slide in the R direction, and the front channel (first to third channels) S rear channel (tlc co
The first, second, and third) K mixing amounts are distributed. ????????? Has the
coaxial rotary shaft 37, the sliding amounts of the slider 31 and Jjk are the same. Because the
mixing distribution in the left and right channel directions is made in the volume JJ by turning
the arrow in the direction of R in the arrow of the feed VA-4LLJ, the slider J 416 in the direction
of arrows P and B in the operation V park 3 Even if Jjk slides by the same amount, the volume in
the left channel direction and the right channel direction in the volume 344.31 will be further
distributed in the forward channel direction and the rear channel direction according to the
meriding distribution / minute in the channel direction. #, J4Ad. An appropriate amount of signal
is taken out in the direction of Jug Jjd and FL, BL, PR, and BR, and the amount of signal is taken
with an appropriate amount for each of the subchannels, and the respective main amplifiers are
provided. It is supplied to I,-,-,-. Although the operation of the operation V-par 3 is described in
the directions of arrows R and arrows F and B respectively for the sake of explanation, the
operation V-parson 3 is pivoted in an appropriate direction by a single operation. It is apparent
from the structure of the three volume assemblies that the amount of microphone mixing in the
direction is large. For example, as shown by the broken line 3 ? in FIG. 0 for the operation V and
? 3, a direction corresponding to the first direction of the reproduction sound field, ie, an arrow
direction, an arrow? When the direction is made 00, the microphone mixing amount in the PL
direction is the largest, and the microphone sound is produced from the speaker 7. In addition, in
the three yN'J aluminum assemblies of the above embodiment, the amount of rotation of
operation V per ?3 is transmitted to the respective rotary shafts 00 and 77 of the kerirams 3J
and 344.31, respectively. Although -p and -3 are used, the rotation amount transfer means does
not have the same structure as long as it has the same function. (G) 48-4120 1-11 As described
above, according to the date channel microphone mixing volume assembly according to the
present invention, a single operation V par of ?-same movement operation-a snail sound system
or reproduction system The microphone mixing operation can be performed with appropriate
signal distribution to each of the nanyanels, so that the microphone mixing operation can be
performed quickly and in a single operation, the desired signal amount can be mixed for the
desired naniver, and the operation panel surface can also be used. It has features such as greatly
simplifying it.
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