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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a circuit diagram showing an example of a
circuit configuration of a four-channel adapter, FIG. 2 is a plan view of an interlocking device
according to the present invention, FIG. It is sectional drawing of-A line part. 1-4: Human power
terminal, 5-8: Speaker, 17-18: Fixed resistance, 19-21: Variable resistor, 22: Frame, 26:
Adjustment axis, 27 ..., drive gear, 28 ... movable shaft, 29 ... gear. -71 port-65 = actual opening
47-29329 (2)-) r7 figure-66-
DETAILED DESCRIPTION OF THE INVENTION The present invention will be directed to an
interlocking device for a variable 4-variable resistor for reduction in a 4-channel adapter with 3 1
1 1 positive so that the output on the jar side can be adjusted. In the channel amplifier, there are
four additional 7-system one-character add-ons for six independent four-channel chikund
sources, and the left, front, left, and right of the listener. The right and four speakers are
arranged to generate nine-dimensional sound. In such a four-channel single-pole amplifier, the
left and right speakers are used in the case of a two-channel sound source 11- There is no
difference before and after only 12 being separated, and the true presence of 4f canl is true I4
because it is natural. On the other hand, the number of records and tapes for the 1547-2 v29032 channel is overwhelmingly large as the chikundo source at present, and those for the 4
channel will be increased in the future, and even those for the 2 channel may be increased. It will
co-exist in large quantities, and even if only the amplification device is 4 for 4f channel, it may
not be able to fully exhibit its original function. Therefore, in the past, the use as a pseudo-47
channel has been considered for the purpose of extracting some of the functions of the 4-channel
wide-width amplifier. In other words, 2 front left and right speakers are given the original signal
of 2 Chann and Nerna Kund source to make them work normally, and 11 for back left and right
speakers and any other signal Since it is not given, the difference between the signals given to
the front left and right 12 is taken out and given to one 1 ° speaker behind and 180 ° out of
phase with this signal. ■ The pseudo 4 deyanne 1 given to the other speaker -. 47-29329-Ci, the
German system is adopted. Various circuits have been considered in order to obtain one such
function, and two have been implemented as appropriate. However, as shown in FIG. 1, a rear
side output can be adjusted by three. There are also four. That is, an L terminal (1) and an L
terminal (2) which are input terminals for charging which are connected to the amplifier. R
terminal (3) and R one terminal 7 (4) which are Furukawa's input terminals are provided, and the
one terminal (2) and the R one terminal (4) are connected on the amplifier side (In the one
shown. For the sake of convenience, both are connected on the input terminal side. た)。 Then,
it is connected to the front left and right speakers (51 (6) and 1 rear left and right speakers (7)
and (8), respectively, and the □ output terminal (9) (IIQ1) Q1 (1304 (IsH cut) it L Child end.
The output terminal (91 (1: 1 is connected, the L 1 terminal (2) is connected to the 1 ° power
terminal (II), and the R child terminal (3) is connected to the output terminal αυα field 154729329− 12- are connected, and an output terminal tJ2 is connected to a B1 terminal (4).
Furthermore, two fixed resistors αηas are connected between the output terminal α 燵 and the
output terminals a2 and 2, and two variable resistors αg4 are connected between the output
three terminals Q4) and the output terminal 顛. The variable resistor 21+ is connected between
the middle point of these fixed resistors 190 seconds and the middle point of the S-type variable
resistance α 9. Therefore, the front left and right speakers 7- (5) operate separately in the
normal state by signals from the L terminal (1) and the R terminal (3), respectively. The speaker
+51 (6) has a fixed resistance 11a Q QJI when the resistance value of the variable 10 resistor
ascoan is reduced to zero, and the difference between them is shifted 180 degrees by the large
+2 small of the left and right signal components In this state, the sound 11 is converted to an
audio 11 to show an operation 11 as a pseudo 4 channel system. Then, when decreasing the
volume of the rear example, +1; 7- ',' η 37) Q-p, (i sequentially increases the resistance value of
the variable resistor asanan, but l adjusts them to be the same value It is done while being done.
That is, the variable resistor (1) functions as an attenuation for the speaker +7) +8) 3, and the
variable resistor QD is also for 4 attenuation, but the resistance value of each part is balanced to
5 and the left signal and the right It acts to effectively output the difference between the
component and the signal. This device has a four-channel double-loop absorber thus configured;
in which three variable resistors are operated uniformly in one operation unit of one, an
interlocking damping / zero-shifter interlocking The object is to obtain an apparatus. 12 This
device has input terminals connected to the left side of the amplifier and output terminal H of
Furukawa, front left, right and left. Out, which are connected to the rear left and right speakers
respectively. 47-29329-C7 power terminals, two variable resistors are connected between the
output terminals 1 on one side of the rear right and left side, and another variable resistor is
connected to the middle point of these variable resistors. In the 44 channel adapter connected
and connected to one side of the front right and left via fixed 3 resistors, the three variable 5
resistors are arranged concentrically and attached to a frame, and 6 桔 1 ° 'MJ · 1 to 1 7 fixed
gears of standard pitch circle are fixed to each movable shaft, and drive / motion gears attached
to the adjustment shaft are meshed with these gears, and the gear is rotated by rotating the
adjustment shaft The movable shafts of each of the 10 variable resistors are rotated at the same
rate of change (one turn), so that the volume adjustment of the rear example can be smoothly
performed 12 through the interlocking mechanism according to the above.
(1) An embodiment of the present invention will be described on the basis of FIGS. (2) is the
opposing wall c! 1- <7-2 ′ ′ with 3o4, 32 knee c3 frame, this frame coffin's support wall c! The
adjustment shaft ■ with a knob (3) attached between 3 @ is suspended and provided 2. A drive
gear wheel @ 3 is fixed to an intermediate portion of the adjustment shaft 2. Then, the four
variable walls (2) of the frame @ are positioned 5 concentrically around the adjustment axis @,
and three variable resistors Q9C! 001) is screwed on. The drive gear wheel and the eight equal
gears of the module are fixed to the movable shaft (mostly) of these variable resistors (+ 9ωQI),
respectively, and the drive gear wheel is the drive gear. (5) is engaged. In such a configuration,
when the grip (3) is gripped and the 1 rotation shaft (turned) is turned, the drive gear (1) is
turned, and 12 the drive gear (3) is engaged with the drive gear (3) The gear wheels are. The
same as the direction of rotation of the drive gear-respectively. Rotate with change rate.
Therefore, the gear is fixed + 5 (8) 47-2 'l 32 t "-OSC; = = each movable shaft (至) of the mounted
variable resistor α 1 ■ 同 様 is similarly rotated one time, and their resistance Change the value
uniformly. 2 By this, in the circuit shown in FIG. 1, the volume of the rear speakers (7) and (8) on
the rear side is adjusted while effectively taking the difference between the signal components of
the left side and the right side 1. S Since this device is configured as described above, it receives
signals for 2-channel 6-channel from the input terminal and gives these 7 signals to the front left
and right speakers and also through the resistors to the rear left and right speakers・ In addition,
in the 4-Te IO can adapter with three variable resistors, if changing the value of the variable
resistor while changing the value of the variable resistor while taking 7 (Lance I, just adjust the
+2 axis only Drive gear and teeth that mesh with this. The movable shaft of each variable resistor
can be moved uniformly 11 through the car, thereby effectively rear left and right. (9) It is
possible to adjust the front of the 47-two 2T knee 1'0 beaker.
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