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JPS4938201

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DESCRIPTION JPS4938201
BRIEF DESCRIPTION OF THE DRAWINGS The attached drawings show an example of
implementing the present invention for remote control, and FIG. 1 is a plan view, and FIG. 2 is a
cross-sectional view taken along a line 1 in FIG. Fig. 3 is a longitudinal sectional view, Fig. 3 is a
plan view in an open state, and Fig. 4 is an exploded perspective view of an operation knob and
an arm. 1 и и и Case main body, 2 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 Display scale. f 1 extra l 7-11 l b
2 l 1 5 1 1 1 1 ? 49-38 201 (2) / f-2 Fig 2-1 ? 49-38 201 (3) l 5-3
The present invention relates to a balancer device in a four-channel stereo incorporating four
independent amplifiers. In 4-channel stereo, effective listening that can enhance the sense of
reality is that the volume from each speaker is kept the same output with respect to the listening
position, but (1) 49-38201-02 actually The usage requirements are under various conditions, and
there are many cases where the listening position is different from each speaker, so the sound
volume of each speaker can be the same volume and effective listening can not be expected, so
each speaker according to the listening position You need to adjust the volume of the to balance
it. When performing the above adjustment, conventionally, a knob is provided for each volume,
and the knob is adjusted one by one, so the adjustment is complicated and 18 L is difficult. It
became known to be able to make adjustments. The adjusting mechanism has the end part fixed
to each volume movable shaft and the fc bent two connecting rods slidably inserted in the lower
part of the operating rod which swings around the ball as a fulcrum, and the operating operation
of the operating rod The balance handle is displayed by moving the connecting rod in any
direction and rotating each movable axis to perform balance control, so the balance operation
display when the listening position is other than the central part of the four speakers is the
operating rod Because it is line display turned over at an angle, accurate distance display from
the speaker and volume display are unclear and balance operation must be by hearing and
feeling; I (2 ') 49-38201-03 not accurate Has the disadvantage of not being able to This proposal
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is an improvement to eliminate oblique defects, and its purpose is to make it possible to visually
confirm the listening position relative to the speaker position and the volume of each speaker
with a single knob movement of the knob, and to control the balance accurately and easily. It is
to provide a possible balancer device. The following is an explanation of the present invention
with reference to the drawings showing the embodiments: l #: t case main body, 2 is an upper lid
of the case main body l, and a volume 33 for balancer is connected to four speakers in the case
respectively. And, the main volume 4 which can adjust the volume of the whole is internally
provided and remotely provided. Balancer volume 3.3 ... are fixedly arranged opposite to four
points as shown in the third illustration, and both ends of arm 5.5 are connected to both movable
terminals 3m13m between each opposing volume 3.3. The arm 5.5 is mounted in a crosswise
manner so as to be movable in a plane, and the operation knob 6 is slidably supported on the
crossing point. Further, on the upper surface of the arm 5.5, a display s7 such as a line display or
arrow, point display, etc. is provided in the longitudinal direction of Fi, (3) 49-38201-04.
Furthermore, it is convenient for assembly if notches 5a, 5a are provided at both ends of the arm
55 as shown in FIG. 4 so as to be fitted and connected to the movable terminals 3a of the volume
3. Also, since a step is generated when the arm 55 is overlapped, the operation knob 6 is formed
of the upper and lower two members 89, and the arm 5 is crossed and slidably fitted to one
member. In a vertical direction, and a plurality of ridges 11... Are projected from the end face,
and the opposite surface of the other member is deep Recess 1 (one arm 5 is engaged with one
arm 5 and provided with small-diameter holes 13... It is preferable to combine the two members
after the arm 55 is fitted. Further, the arm 5 may have an elongated hole opened in the
longitudinal direction, and the do member of the operation knob 6 may be slidably fitted in the
elongated hole. In this case, the display unit 7 may be provided on the upper surface near the
end of the arm. As shown in Fig. 1 and Fig. 2, a substantially rectangular window hole 14 is
opened to the position surrounded by each of the balancer volumes 3, 3 иии, assuming the
chamber as shown in Figs. (4) 49-382001-05 and projecting the arm 55 to the window hole 14,
and the window hole 14 peripheral edge 14aK is the moving direction of the arm 5.5, that is,
each volume 3.3. Movable terminals 3a, 3a ... Display marks 15.15 ... provided in the movement
direction and in the movement range respectively, the operation knob 6 is moved flatly in any
direction, balance operation is performed, and provided on the arm 5.5 At the position of the
display portion 7.7, the display graduations 15 and so on are respectively continued, and the
resistance value of each volume 3, 3 and so on is changed with the shoes + TI 'X, and the
resistance value * ? Visually confirm the volume of each speaker by using the display scale 15 ...
It is those provided in order to be able. The proposed device may also be connected to a stereo
vehicle. In the same figure, the blood 16 Fi main volume control knob, 17 is a switch. Since the
present invention is configured as described above, each volume 33 ... the operation knob 6a that
allows the resistance value to be arbitrarily changed via the arm 55, and the planar movement in
any direction, the position of the speaker Since the listening position and the position of the knob
6 coincide and the position display of the month is a point display, it is possible to perform
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balance control visually and it is easy to take balance properly, and the window hole 11?, (5)
49-38201- [18 The resistances of the respective volumes 33 are changed by the display portions
7 of the arms 5 moving following the operation movement of the knob 6 by the display
graduations 15 provided on the peripheral edge. It is possible to display the speaker of each
speaker, to perform balance control correctly, and to obtain effective listening, etc. With a
crushed practical effect which can not be obtained conventionally with this a14 @. is there
A simple explanation of the epidemic figure of 11114 shows an example of the implementation
of the present invention for remote control. Fig. 1 is a plan view, and Fig. 2 is a line ll-1 in Fig. 1.
FIG. 3 is a plan view of an open four fall state, and FIG. 4 is an exploded perspective view of an
operation knob and an arm. DESCRIPTION OF SYMBOLS 1 ... Case body 2 ... Top cover 3 ...
Volume for balancers 3 ... Movable terminal 5 of volume for balancers ... Arm 6 ... Operation knob
7 ... Display part 14 ... Window Hole 15 иии Display scale (6) 49-382 111-117 / ll-7 1/7 lb N 8 ░
N yolume "'ront I H 111 + n + Alarm # l7,!, R: 159 person 57 h ? 15 store 11 eyes ? mouth
Illear- 72 Fig. 4 / "5 / 115t5t125q51" "49-38201-08 / 7" l) '5a', 5a75?f4 Fig. ? ?jl? / 1.5a
"65a / 2 / ? 49-38201-09
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