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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a connection diagram of a balance control
using a single continuous volume with a center point tap conventionally used, FIG. 2 is a
connection diagram of a balance control circuit according to the present invention, FIG. The
figure shows the structure according to one embodiment of the volume used in the present
invention. E ииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии 21a, 2 lb% resistance иии ...
20a, 20b 0 ? 1 Figure 2? 7 и 1g 17 146 146b 71 ? 6Q ? 1 50 50-149001 (2), Ц 13 Figure -2-
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to the Halanos
adjustment 1171 which adjusts the left and right volume balance in a stereo device.
Conventionally, these bag layers use a two-piece polyum interlocked with each of the left and
right channels, or the middle point of the resistor 2 of the single continuous horium 1 as shown
in the circuit 1 of FIG. A balance adjustment fi'i + circuit in which the terminal 3 and the slider 4
are grounded is used. Such a balanced layer "circuits" ratio 11. . If you try, the latter becomes
smaller in shape. [1 l is superior to 1 [1 in that it can be configured as a female 1111 but the
volume change on the left and right near the center of the 1-volume quartering angle is small,
and changes rapidly to W at both ends of the ringing range There is a drawback that the left and
right adjustment of the sound vibration to the rotation angle of the volume can not be performed
smoothly. This is because, when such a single-ended volume is used, the middle point terminal of
the central portion of the resistor is directly grounded by a known means shown in Japanese
Utility Model Publication No. 39-9001 in order to prevent the deterioration of left and right
separation. The oil side is. For this reason, when such a horium is used in the circuit shown in
FIG. 1, the resistance value varied by the grounded slider 4 is one channel of the resistor 2
divided by the grounded midpoint terminal. On the side only, there is not much change near the
center of the rotation angle of the polyum, and the volume of one force is sharply reduced only at
both ends of the rotation angle, and it can not be adjusted smoothly. The present invention
eliminates such a drawback when using a continuous volume, and is able to obtain a certain
change in volume between the left and the right even in the vicinity of the center of the rotation
angle. 2- The present invention will be described with reference to the drawings. FIG. 2 is a
schematic diagram of the present invention, and FIG. 6 is a developed view showing the volume
of the volume in the embodiment without the present invention. Sliders 6a and 6b, which are
always in contact with and active with the resistor 5, are integrally formed with the ring 7 and
attached to a rotary plate 8. On the other hand, the projections 10 provided on the weir 9 pass
through the through holes of the resistor 5 and the link 7 of the slider, and are fitted to the holes
11 of the rotary plate 8 and are extended by the rotation of the shaft 9. The sliders 6 a and 6 b
are configured to slide on the resistor 5. At both ends 12a and 12b of the resistor 5, terminals
16-L and -51, respectively 13bt, a single force which causes the terminal 141 to move to the
center of the resistor 5, 22 'plate solder 15 has sliders 6a and 6b and In order to electrically
communicate the terminals 16, the link 7 is in contact with children. The back cover 14 holds the
terminals 13a, i3b and 16.14, protects the rotating portion on the resistor 5, and controls the
rotation angle of the shaft 9 so that the nut bar 17a and 17b are removed [! !
In connection with the connection diagram of the present invention shown in FIG. 2, which is
adapted to abut against the projection 18 of 1 plate) 8, the input terminal 19 hole of the first
channel passes through the resistance 2 'L and the terminal of horium. 13) lead to kht L output
end 21], and input terminal + 9b of the second channel is connected to the same tag via resistor
2 [] 1) and connected to terminal 13b of the volume and is led to output end 21b . A terminal 16
electrically conducted to the volume sliders 6a and 6b is grounded together with a terminal 14
provided at the center of the resistor 5. The amount of attenuation of each channel due to such
connection is determined by the resistance 200 or 20b and the resistance from the terminal 13a
or 1b of the resistor 5 to the ground portion, ie, the slider 6a or p6t +. According to the present
invention, the amount of attenuation between each channel in the vicinity of the center of the
volume rotation angle is small by a slight rotation because the slider 6a of the first channel and
the slider 6b of the second channel interlock with each other. Because one channel changes in
the increasing direction and the other channel changes in the decreasing direction, the change ?
? becomes large. As described above, according to the present invention, compared to the
conventionally used mid-point torque "1-1, the point at which the slider becomes one in two
compared with the single continuous volume of 1-1 and the rotation angle of the shaft becomes
smaller." The only difference is the position of. There is no difference between the present
invention and the present invention, and there is a feature that the volume change of the left and
right channels can be smoothly performed near the 4-center of the volume rotation angle.
Although the present invention has been described above by an example of a slider or a rotary
volume, the use of a 7-ride volume does not change the merit of the present invention.
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