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JPS5155602

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DESCRIPTION JPS5155602
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a circuit diagram showing an embodiment of
the mixing apparatus of the present invention. LIN, RIN ... (left and right source signal) input end,
LOUTt ROUT ... (left and right channel) output end, MICIN ... (microphone signal) input end, vR ?
CVR2, vR3, vR4 ... variable Resistor, A1? ии amplifier, R1 CR2 иии resistance. ???
[Detailed description of the invention] Name of the device of the 5 'size # 4am book L invention
mixing device 2.1! For this purpose, there is a need to use a series resistor for mixing signal 1IIJl
where one tin source signal source is connected and the other end is source II, and -II is used for
each source signal system. It has a second town R resistor connected, 11m common to each of
these fifth and 1 Kg variable resistors, and the WI4B cil to unmix the resistors when not mixing
each other source signal System balance-A mixing device that uses aX as Toyokawa and also
functions as a mixing position survey at the time of Miki / Ring. 8, 1Ik1111 description of the
invention The present invention is a mixing device Cl1i suitable for two-handed feeling in the
microphone mixing device of the stereo device. If the recent sound ti device is brass oriented so
that microphone mixing can be performed, or if the microphone mixing can be performed with a
stereo sound device, the conventional monophonic road #III IE becomes complicated. ;-3 days,There was a disadvantage that there were many non-copious images on the upper and the mixing
effect. The present invention has been made in view of the above point 6, and it is an object of
the present invention to provide a well-known mixinog apparatus V capable of eliminating the
above-mentioned conventional drawbacks. Hereinafter, an embodiment of the present invention
will be described in detail with reference to the drawings. That is, factor C: In (LIN) and (Rzb + J
are input terminals to which the left and right source signals of 2-channel stereo are input,
respectively. The input terminal (L port 1 ░ (RzN) is variable in delay for volume adjustment) It
is grounded via the resistors (VR1) and (VRs). And the slider of each variable resistor (VRI) l (VRs)
is connected with the output end (L + ouy) + (ROUT) 4 via the series resistance (Ri) and (Rs) for
mixing level compensation which differ. Be done. Here, a balance-Toyokawa variable resistor
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(VRl) is connected to the output terminal (LOUT) * (Rouy) dark. On the other hand, in this case,
the microphone input end (M OXM) to which the microphone signal is input as a signal for
mixing is IIm to a microphone (not shown) and is input! Amplifiers for amplifying an equal signal
are connected. The output terminal of the amplifier (m1) is grounded via a variable resistor (vR4)
for adjusting the microphone signal, and the slider of the variable resistor (VB2) is connected to
the variable resistor W (VRa for adjusting the balance). Common to each other's sliders. In this
case, in the normal case where the microphone mixing is not performed, the variable resistor
(VB2) for the microphone signal ll14 general purpose is set to the minimum m1ll turn off state,
and the variable resistor for the balance ll11lI (Vi (IJ: The slider is at the ground potential, and it
is ? 2 as normal balance # adjustment).
Yes l: If you want to mix the microphone, the microphone signal supplied to the microphone
input terminal (M 0 0 IN) increases @ I! After being amplified to the required level in (il), a
variable resistor for mic signal adjustment! ! (VRa) is extracted as an acceptable level determined
in accordance with the setting value of (VRa) and is led to a variable resistor for balance
adjustment (vRsJ & output RNLour) + (flot + rJ). Meanwhile, here the output 41 (LOUT), (ROUT)
7?. J The-input mesh by being guided 'C via the (LINJ, (town right source signal supplied to the
RIN) is for sound volume adjustment fffi anti II (VRu), ffRs), the right and left source signals Each
of the two microphone signals is mixed and derived. At this time, the variable resistors (VRs) of
the balance adjusting agent become two so as to work as microphone mixing levels of the left
and right channels, B, Miki 7, Ng. That is, it is temporarily variable resistance it for paranos
adjustment now! If (VRs) is set to the R (right) channel side, the north signal is output from the L
(left) channel output end (LOUT), and the microphone No. 1 outputs R (right) channel! (RuuTJ, et
al. # L Y # (l l l VR VR VR VR VR VR + ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?
? Further, in the above, the resistors (R1) and (Rs) act to compensate for the reduction of the
microphone mixing level when the volume control variable resistors a (VRt) and (VRs) of each
channel are narrowed to the minimum side. Furthermore, it is desirable that the resistance value
of each of the balance-rich use variable resistance a <VRs) and the microphone value i's variable
resistance (VH2) for adjusting the value of 111 is selected as in VRa >> vR2. Therefore, according
to the present invention as described in detail above, one variable resistor can be made to serve
two functions with one variable resistor so that the variable resistor (VRa) usually used for
balance adjustment is used for Miki 7 greening adjustment. The circuit configuration can be
simplified to = I and so on. In addition, the volume of the source signal system and the
microphone signal thread can be independently set to v4 and at the time of mixing the setting
position of the rose / sue-rich oT father resistor The microphone signal can be derived from the
center of the upper left channel when R is in the middle, and the setting position is R (right) and
L (left) or L (left) or R (right). Very good mixing time, such as being able to be rationally defined
from overgrown soil and Miki 7 / g effect as can be derived from the 3 (right) or L (left) channel
Providing becomes single unit.
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The present invention is of course not limited to the above-described embodiment C but can be
variously modified in a range of II without departing from the scope of the present invention. 4, a
simple clear view of the inner surface is a drawing # 1 showing the fullness of the mix 1 of the
present invention. (LIN), (R, H) иии (left and right north signal people (LouT), LRuul и и и и и и (left and
right channel) output end (M work C 111 J и (microphone signal 9 people car (VRl) , <VR2t, (VR8)
LVR4J OTzmas (Al) и и и (RzJ, () f2) и и ? Ith theater agent agent Shiohiko ed. 2R2'25562377iX?
flJ14 Applicant Tokyo Shibaura Electric Co., Ltd. Gen. 5 Tabw 2 A 5 List of Attachments (1 Ring
Power of attorney (Cipher: ?-;;-?-() (2)). (3) One drawing (4) Applicant Applicants or applicants
for a utility model registration applicant or agent i other than a copy of the book 1 copy of 6
songs. vi ? engineering, Eryu Ill ? 12 ? $ 174 er / good luck 1 name (5743) patent attorney
Takeo Miki. Address same place-T-1 ░ name (6694) Patent attorney Komiya Ko-, "i address same
place" Q,-! -, J Name (6881) Patent attorney Tsuboi ? ░ C. Address same place name (7043)
Patent attorney Kawazuki, Shoji ? ??, ?2?, (]
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