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JPS4823927

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DESCRIPTION JPS4823927
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1.2 shows an embodiment of a variable resistor
according to the present invention, FIG. 1 is a schematic plan view of a sliding variable resistor,
and FIG. 2 is a rotary variable Description of Resistor 1 A schematic plan view, FIG. 3 is an
electric circuit diagram in the case where the variable resistor according to the present invention
is applied to a 4-channel stereo amplifier. 1, 7 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
· · · conductor portion 4, 10 · · · · · · · · insulator portion, 6 , 11 ········· Slide piece. / FJ figure o 2u =
53 = actual opening 4B-23927 (2) o, 75-54 one
DETAILED DESCRIPTION OF THE INVENTION The present invention is a book relating to variable
resistors, and in particular to variable resistors which are suitable for control of memory in 4channel stereo κ. In the conventional κ variable resistor (slide type, rotation m) k, on the
resistor part! @ A scale piece moves in sliding contact and the resistance value changes according
to the amount of movement of the sliding piece, and the switch is 11 "1 digit t" "CV" b 4 O Th "" f
'- In recent years, many 4-channel stereo amplifiers in 4g-23a27-oz have been commercially
available, and they are gaining ground, but as general ones of the conventional 4-channel stereo
amplifiers, it is possible to A separate tome for adjusting the volume of the arranged speaker iit,
and a separate theme for Packuns control for adjusting the volume of each channel separately
from the one provided. Then, for example, when the sound output from the speaker device
distributed to the left and right is not required, the variable resistor which is the above-described
balance control poly- 1 is provided, and in the case of the rotation type, the variable resistor WO
is provided on the back surface. A switch operated by the same rotation shaft, and a slide MJljlO
field building, turns on a switch separately provided for a variable resistor and a switch. The selfsignal a3. ',' :: '-1-' e-'i. − 2、ご、、 、1...? => LM-23927-c3 "Cub)). That is, since
both the rotary type and the sliding type are installed separately from the resistor M part by the
switch operation, the 'R resistor becomes large, or it is necessary to consider the sealing place of
the switch The service life of the busy switch is also relatively short and therefore unreliable and
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expensive. The present invention is a device that can be used as a switch in any one of a rotary
type and a sliding ρ type variable cage, as well as a rotary roller and a sliding ρ type, as well as
a device to be a switch. The 骸 switch is intended to provide a variable resistor which has a long
service life and a high reliability as compared with the conventional switch. Also, the object of the
present invention 0 @ 10 is to provide a variable resistor which can be manufactured easily at a
low cost and suitable for mass production and inexpensive to manufacture. . Furthermore,
another object of the present invention is to use an amplifier as a balanced amplifier for 4-chyan
* kXf rheo-amps, which has a good design as a stereo-amp and an easy-to-use amp operation. Is
trying to provide a variable resistor that is superior to manufacture.
That is, the present invention is a book in which the variable resistor formed by arranging the
resistor portion, the non-conductor portion and the conductor portion along the sliding direction
of the sliding piece is a summary. Next, the V4 embodiment of the variable resistor 4 according
to the present invention will be described with reference to FIG. 1 and W2 FIG. 1. FIG. 1 shows
the slide IIJI variable resistor (4), and the field is Bakelite etc. l! A resistance base, (2) is a resistor
part by resistance value layer such as carbon, and is formed along the whole surface of 1 1 1 J 1
l (1) along the side of 1/1-, 1/4 . (The same is the conductor portion formed on the insulating
substrate tll from March, and is provided on the extension of the resistor portion (2) through the
insulator portion (4). (51 is a galvanic conductive body formed in parallel to the resistor portion
(2) and the conductor portion (3) on the e-type substrate (1), 16 is a sliding piece and -4 is zero)
The other end is in sliding contact with the upper surface of the resistor portion (2), the insulator
portion 14 and the conductor portion (3). (2aM2b), (3a) and (5a) are resistances respectively? , T
B + 21, conductor portion (3), conductor portion (51 terminals. On the other hand, vJ2 figure
shows the rotary q resistance-5Fb [5, its structure is the same as that of the sliding type variable
resistor (3) shown in Fig. 1 above, and the disk-shaped insulating substrate (7) An arc-shaped
resistor portion (8) is formed thereon, and a conductor @f 91 is concentrically formed via the
insulator portion Q 部. Then, while the mm piece (1) on the four body parts t91 is m while
rotating, do not a) (ab), (k), (sxa) are respectively one conductor of the conductor portion 1 → Jw
# lII piece 0 in the resistor portion. In the case of the sliding slide piece (6) ■ is in the state
shown in the drawing, the terminal (ia) or (slm) and the terminal (1 m) (Ib) (Ib) or (Im) (Ib) The m
resistance value of I311Ic appears and acts as a resistor, and the m moving piece (6) 戚 is a l!
The terminal (Sa) or (11 龜) and the terminal (ja) or (9a) are connected by sliding on the
conductor portion (3) or (91). In addition, it is desirable to form the same plane as the resistance
part (2) or (with the conductor m 僻 or (- It is because it is done smoothly. Conductors II- and (2)
do not necessarily need to have a resistance-(2) and a resistance of-(2) and 閂 ■ to t >> a 927-II
l, and must be squeezed into a WI of sliding piece + 61 all Sliding piece (6) 0 is in sliding contact
with resistance part (2) or +81, insulation I & part 1 vessel or rod and conductor (3) or (9) in this
order, or the reverse of the above. It would be nice if sliding in order.
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Next, the case where the above 11T variable resistor is used for adjusting the paras / c of a 4channel stereo amplifier will be described together with the circuit diagram of FIG. The preamp
to which the previous issue and the left issue are added, and the output s4 has the abovementioned sliding resistance R resistor (4) or rotation according to the above description. (1) (8
turtles) or (8a) of the resistor part + 21 or 1 back 18 in the variable resistor (B) is connected, and
1 (2b) or (8b)-each has a 4-row poly It is connected to one end of a poly 11-1 poly J-mu o # 1
variable resistor (1 axis) which is a ^ -person sound l1 lJ4. Further, the ground temperature of
the first variable resistor (141) is connected to the ground, and the 411111 piece is connected to
the speaker uK via the main amplifier. In addition, the terminal (8a) or (lla) connected to the
above-mentioned variable resistance a (4) or (a sliding piece (6) or (2) of El is a terminal (2b) of
the resistor portion (2) or (8) Or (6b), and the terminal (Sa) or (shaft) of the conductor portion (3
or 19) is connected to the ground. In the same manner as above, connect the main amplifier (up
to the right) and the second Ff variable resistor (14 N between the main amplifier and the poly
easily) to which the previous right side Iza sign is added, and connect the KIv variable resistor (4)
or (2) And, it is connected to a speaker (far end) 111ic located at the front right 111ic of the
listener via a poly-type 112 variable resistor (14b) 1 back main amplifier @ and is vh. In addition,
the signal on the rear left is added to the preamp 4 and the disc [email protected]@) M! i Variable
resistance II (14 o) and O variable resistance-(4) or (to) are connected in a row, and the above
1S3 IJJ Biyaya 4 (lac) is a listener's purgatory left @ lK through the main amplifier ■. It is
connected to the located speaker c2 位置. 11! Kit method A movable resistor (4) or FB is
connected between the pre-up to which the right-valued signal is applied and the 49th 實 resistor
(14d) on the input side of the polyney, and a 1 ¥ 4 R resistor i5 (14d) is continued to the speaker
(C) located behind the listener via the main amplifier (2). The circuit configuration is exactly the
same as the circuit for reproducing a signal corresponding to the front left 11Ik. 2、。 Thus the
k to sfl as now 4-channel stereo in each preamplifier K11I &! Each of the variable resistors (4) or
(d) is adjusted and balanced, and then the poly -Aa4 is changed to adjust the volume! 6. Adjust
the i & 7. In order to make one as a two-channel stereo, it is necessary to make a resistor (4) or a
piece (埠) in IC) carried in the preamp (6) @. (2) or (Move more to create a conductor portion (3)
or 191K #.
The signals from the port on the rear side of the preamp Q # @ from z # c are short-circuited.
Therefore, it is not emitted from the speaker c2Ill (c). The input signal is bounded by the variable
resistance l5 of the channel which does not need to be regenerated by C (Al or (C) which contacts
the (1 or 0 of the slider piece 1 or 0 of the conductor portion (3) or (9) K . In the embodiment
described above, the example of use of the variable resistance 'thtA) or (to) is described as a 4channel stereo, but 2 is not limited to the above embodiment #C, and poly 1-with switches is
used. Of course, it is an application that can be used as a contingent eating food that needs to
]′″4″ 1m! L, * Jmt K J III J t 611 117 Jllll KG "-"-,-M + 9i 1il If you form the resistance
part and the body part shame and full body part, so that the above-mentioned nine sliding pieces
can move 2 婢 4 in a row By the following configuration, the switch sealing I variable resistor can
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be simplified 1111. It can be manufactured at low cost by III, can significantly improve the
service life as compared with the conventional switchable variable resistor, and since the switch
can be incorporated in the sliding type variable resistor, the application range can be expanded
further. In addition to the above, it is possible to incorporate a switch into a rotary variable
resistor as well as a switch when the sound is used for 1 m5 etc., the design of the acoustic
device can be improved, the operation becomes easy, and the switch is electrically sealed. It is
not necessary to consider the space of
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