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JPS542101

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DESCRIPTION JPS542101
Description 薔 1, Name of Invention
ピックアップカートリッツ
The invention relates to the load of a so-called moving magnet type pick-up trap, and relates to a
pick-up cartridge which is most suitable as a constitution using a flat armature in which the
thickness direction is blue. Heretofore, as this pickup cartridge (hereinafter simply referred to as
"cartridge"), there has been known one which has been received in FIG. 1 and FIG. In the
cartridge shown in FIG. 1 vc, the other end of the cantilever 2 placed at one end at one end
thereof is taken to extend orthogonal to one direction of the flat armature 3. Increase, this flat
armature 3 whole yoke! In the inside of the fulcrum, it is supported so that it can be tilted in the
back-and-forth direction (direction of arrow A) with five fulcrums as the center of fulcrum. In the
case of VC), the direction of the magnetic flux flowing in the yoke summer is completely
switched, and a voltage is induced in the yoke 6 wound in the yoke summer. However, in the
configuration of FIG. 1, the flat armature 3 wall @ VC is crossed and the yoke! On the other hand,
the magnetic pole part of the flat armature 3 moves only to a very small extent, and the yoke in
the opposite direction to the thickness-wise dimension of the blue magnetism! As shown in the
figure, a large amount of ineffective magnetic flux φB not linked to the ring 6 is generated in
addition to the flux flux φ m linked to # @ 6 as shown in the figure, and good feeling of each
other can be obtained. It is difficult. On the other hand, the car shown in FIG. 2 has a 6-inch yoke
gear, and its central magnetic pole P1 has a suitable distance to the peripheral edge of the flat
armature 30 at rest. The device is made to face, and either the edge or the front pole P2 of the
yoke A is approached or the rear side when inclined vibration of the flat armature 3 (water is
drawn with a sacrifice γ virtual line which is inclined Ik4 to one side by shooting) The direction
of the magnetic flux flowing in the portion of the yoke 7 wound around the wire 6 is switched by
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a sword close to the magnetic pole Ps, and a voltage is induced in the wire 6. In the configuration
of FIG. 2 as described above, when the flat armature 3 tilts, one of the peripheral magnetic poles
approaches magnetically balanced knockdown against the central magnetic pole double, but the
other kB pole is on the front side. The amount of change in the distance between the rear
magnetic poles p and p and the distance between the rear magnetic poles p and p is so small that
the power generation efficiency can not be said. Further, in the configuration shown in FIG. 1 and
FIG. 2, the vibration in one direction is detected independently of each other for the wire 6 and
the yoke 4 or 7 to be wound. U and L channel (left channel) and R channel (right channel) 1 / (; f:
1 group each with the same configuration, one pair for each pair is necessary for general 2
channel stereo) Yes, and magnetic fj!
For the production of faces, York! And for example-mother-magnetic materials such as malloy (?
(1) It must be bent in a U-shape in the early direction, which may lead to deterioration of the
magnetic characteristics. A. Therefore, manufacturing of these conventional silk lamps and yokes,
and ease of assembling them. It was not preferable from the viewpoints of disparities in terms of
lip structure and shortness. The present invention has been made under such circumstances, and
an object of the present invention is to provide a cartridge which has a high power generation
efficiency, is excellent in electro-magnetic characteristics, is simple in construction, and can be
easily produced. . Hereinafter, the present invention will be described in detail with reference to
Examples with reference to FIG. 3 and subsequent drawings. FIG. 3 is a perspective view of one
embodiment of the present invention, and FIG. 4 is its positive (2) view. In the figure, at the other
end of the cantilever 2 attached at one end to the other end of the cantilever 2, a circular rootshaped flat armature 3 with R-magnetism in the thickness direction: N pole forward and
orthogonal to the axial direction of the cantilever 2 The flat armature 31r is supported via a
suitable Danno mother (not shown) so that it can be tilted and moved about the center in the
thickness direction on the central axis of the flat armature 31r. It is configured to be biased to
one position of the foot. In addition, on the striking surface of the flat armature 3 in this biased
stop position lt, three legs 1t-1, 8-2, 8-3 thinner than the flat armature 3 are provided on the
striking surface parallel to or at the same time. End page: 2 This yoke 80 both ends 80-1 and 8-2
have their tip magnetic poles oriented on the left and right sides of the rim of the flat armature
30 respectively. Is it possible to face the side # I1 with an appropriate interval and the tip pole
face of the central leg 8-3 be appropriately spaced on the upper side? Yes, n and so on, n et al. #
A8-1.8-2 ° 8 -3 both 1111 legs S-Z and 8-2 wire ring and R1 'wound around And in the middle
8Q1 part 8-3 two magnetic paths 1t-4 and 8-5, the wire is wound on one magnetic path 8-4 and
the coil R2 is wound on the other magnetic path 8-5. . The filaments L1 and L1 and R1 and R3
are respectively based on the vibration of the stationary needle 1 as described later. The induced
signals other than the induced 100 corresponding to the predetermined inclination vibration of
the armature 3 cancel each other and the predetermined inclination imaging is performed. □
Connect the corresponding induced signals so as to be added, and set them as LllIM wheel and
R111M ring J taking out 4g of L channel and R channel corresponding to the vibration,
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respectively. Next, I11.
The principle 1c will be described in detail. That is, as shown in FIG. 4, the sound 11 is displaced,
and the flat armature 3 has a step against the reference l (record board @ J) K with the X-ga
resistance as the axis as shown in FIG. If the Y angle VC field 1i forming an angle K of 45 ° with
respect to 10 JK, then the leap flat armature 3 ON pole approaches the tip magnetic recess of the
left leg 8-1 of the yoke 8, Since the S pole approaches each tip magnetic pole direction of each of
the leg 8-3 and the right leg 8-2, as shown in FIG. 5, the VC magnetic flux φ, .phi. φS occurs.
(However, φ. · Φ l + φ! + Φ1) Therefore, the voltage on the left side 18j1 part s-1 is equivalent
to that of the coil L2 wound on one magnetic path 8-4 of the 1% central leg 8-3 with a rim, and
the voltage shown in FIG. If the induced voltage n is added and connected as shown in the figure
so that the induced voltage is added as LllII-wheel, the x-x'H2 axis of the flat armature 3 is
obtained. A voltage proportional to the change of one bundle due to the inclined shooting
movement can be taken out. On the other hand, the voltage of the indicated polarity is
respectively applied to the wire ring R1 and the central leg portion wound around the right leg 82 of the yoke rod, and the wire rings R and K wound around the other magnetic path 8-5 of 8-3.
In this case, it is induced, but by combining it so that the autogenous pressure is offset as in the
case of @@@ fRt-Rt Zenryou, the @ mark x of flat armania 3 can be obtained. No voltage is
induced in the R-side ring μ due to the inclined vibration centered on X '#. In this case, if the
turns ratio of the wire R and Rt is related to the number of turns NR and NR, respectively, the
electron induced at the wire R1 is induced at the end R, It goes without saying that we will be
throwing in order to satisfy the relationship that becomes equal. In contrast to the above, the flat
armature 3 has 45 "flesh with respect to the direction perpendicular to the reference plane with
the axis of KY-'f '# as shown in Fig. 6 of 伏 4 and 嘱 · et al. If it is inclined and deflected in the X
'direction, the flat armature 3 ON pole approaches the optical layer pole face of the right leg 8-2
of the yoke rod, and the S pole is the left 0II 1 leg 8-1 and the central leg 8- The magnetic flux φ
in the direction shown in FIG. ', Φ,', φ, '. If φ3 'occurs, and in this case the wire rings R1 and R2
and L1 are connected as described above, the voltage induced on the wheels R, R and 11, added
11, wire L1, L The induced voltage is offset, and as a result, the flat armature 3 (the irY-Y 'line is
taken as the axis, the 1 pressure proportional to the change of the magnetic flux due to jtJ
Induced nl such YY 'line?
It is not induced to the electron in the side circle of the turn side with the axis # 4. In this case
tax wheel L1 and L! It goes without saying that the turns ratio of is set in the same manner as the
turns ratio of the above-mentioned wire rings R0 and R2. There are various advantages in terms
of the performance of the cartridge of the above-described configuration according to such a
power generation principle, and also in terms of the manufacture in the case. That is, in the
above description, the yaw that extends to the same edge of the flat armature 3! Three L-legs 8-1.
The thickness EndPage of the flat armature 3 which is magnetized in the thickness direction as
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shown in the side 1 shown in FIG. 7 of the thickness t + f ′ 1 of Fi′−2, 8−3. Therefore,
generation of ineffective magnetic flux is less than that of the conventional S 菫 (eg, 11th), and
magnetism difference is generated in the yoke srn portion even for slight displacement of the flat
armature 3 which is l. Power generation efficiency is high. Moreover, in this case, since the
distance between the flat armature 3 and the legs 8-1.8-2.8-3 of the yokes can be easily set
narrow, the power generation efficiency can be further improved. As the power generation
efficiency is high, four members of the flat armature 3 can be made thin and the external shadow
can be made small, so that the vibration system weight can be reduced, and the frequency inertia
2 and the mechanical impedance inertia can be made the same. (1) Since the yoke is not provided
below the flat armature 3 (record board side), as shown in FIG. 7, the distance α between the
lower side of the power generation unit and the reconid board can be made wide. The angle β is
easy to design, and the length of the cantilever 2 can be shortened to reduce the weight of the
vibration system. Furthermore, the wire loop wound around the magnetic path 11-4.8-5 of the
center-leg portion 8-3 of the yoke, the winding of R, by appropriately opening the L, R channel It
is possible to improve the accuracy of the crosstalk and to select arbitrarily within a certain
range. Since the magnetic path in the yoke weir can be a knife-<e, and the bending of the yoke is
not necessary, the magnetic loss is small. In addition, since the above configuration does not
require bending, lamination of the yoke portion, that is, formation of the acid layer 111 can be
easily performed, and all the same as above, as shown in FIG. In addition, since there is no yoke
below the flat armature 3, also when attaching and detaching the vibration system as in the
conventional case, it is possible to attach and detach from below as well as attaching and
detaching the normal. Can change needle exchange. In addition, it is possible to widen the
interval of the coiling of the magnetic path 8-4 ° 8-5 of the legs 8-1.8-2 and 8-3 of the yoke day,
R Chongqing, and the R heavy sound winding part Therefore, in the past, two sets of yokes were
required separately, one for each of the HL channel and the R channel separately in the 2channel stereo back-to-ridge mode. According to the above abt, the yoke L may be a single set,
which is advantageous in the manufacture of the yokes and in the assembly Q of the cartridge,
and the reduction of the agricultural cost is illustrated.
In addition, there are various effects produced by the small size, light weight, simple structure
and the like. In the above embodiment, three legs s-z, tt-z, 5-sv that are thinner than the thickness
and magnetization direction of the armature 3 are perpendicular to the magnetization direction
of the armature 3 in the above embodiment. In this direction, the tips of the three legs face the
armature 30 dark edge, and the three legs are separated by two magnetic paths 8-4.14-5. As long
as they are magnetically coupled, for example, a yoke having a shape as shown in FIG. 8 may be
used, or a yoke having a shape as shown in FIG. 9 may be used. In the embodiment, the diskshaped flat armature 3 is used. However, as shown in FIG. 10, a rod-like armature llf is used and
a magnetic pole parallel to the armature 11 in the length direction of the armature 11 is used. It
is good also as composition provided with 12 yokes made to face 3 legs 12-1 ° 12-2.12-3 in a
field. In this case, it is preferable that the opposite magnetic surface of the legs 12-1 and 12-
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2.12-3 be longer than the complete-mature 11. In addition, the present invention can be
implemented with various modifications without departing from the scope of the invention. For
example, FIG. 11a is a perspective view showing another embodiment of the present invention,
and FIG. 12 is a front view thereof. In the figure, at the other end of the cantilever 2 attached to
the setter If at one end, a circular plate-like flat armature 3 magnetized in four directions is
forwardly placed. It is attached so as to extend orthogonally to the axial direction of the
cantilever · 9-2 as N4, and this flat armature 3 is made to tilt and vibrate as a middle fire point in
the thickness direction on its central axis. It is supported via an appropriate damper (not made of
water), and is configured to be biased to a predetermined position. Furthermore, on the plane
parallel to or parallel to the extension plane of the flat armature 3 in this biased resting position,
the end page thinner than the flat armature 3: 4 four legs R-1, 8-2, 14 The yoke 8 having -3 and
8-4 pieces is disposed above the flat armature 3, and the tip pole faces of the legs 80 of the yoke
80 both sides & -1 and 8-2 are respectively directed to the flat armature 30 There is an
appropriate spacing on the right side of the rim, and the tip pole faces of the central legs fJ-3 and
8-4 have an appropriate spacing on the upper side lll1] H. Facing each other, and each leg 81.14. 1. Wire the wire rings L1 and R1 to the parts 8-J and 8-2, and wind the wire rings Lm and
R1 to the central leg 8-3 ° 8-4.
Based on the vibrations of the stationary needle l as described later in the ring L1 and L 鵞 and
R1 and R1, respectively, the induced signals other than the induced signal corresponding to the
predetermined inclination vibration of the armature 3 cancel out and correspond to the
predetermined inclination vibration The lines are added so as to be added to the induced signal,
and signal lines of the L channel and R channel corresponding to the vibration of the table needle
I are extracted to form L (Ill line ring and R9 section 11 line ring. Next, the principle of power
generation in the above configuration will be described in detail. That is, as shown in FIG. 13, in
the state of FIG. 12, the setter needle I is in the reclining position, and 1 flat armature 3 is shown
on the x-x ', @ 2 axis, -41! Assuming that the flat pole armature 3 ON pole approaches the tip
pole pole of the left leg 8-1 of the yoke 8 if it is inclined and displaced in the r direction which is
at an angle of 45 'with respect to the vertical direction to [III (record board)]. Since the S pole
approaches the tip magnetic pole surface of each of the central leg 8-3.8-4 and the right leg 8-2,
the yoke 8 ((as shown in FIG. 13, magnetic flux φ, φ1). . φ2 and φ1 occur. (However, φ.
Therefore, the wire LI wound around the left (1 f, 11 legs-1), the wire ring wound around the
center leg 8-3, and the voltage of the "flash" It is induced and, as shown in these wire rings
LweLtk, if it is connected so that the above-mentioned induced voltage is added and it is set as L
side wire ring, change of magnetic flux by inclination vibration centering on the x-x 'line of flat
armature 3 The voltage proportional to can be taken out from the Lill wire loop. On the other
hand, an antagonized voltage is induced in the ring R 輪 wound one round on the right leg 8-2 of
the yoke and the ring R wound around the central leg 8-4, respectively. As indicated by lines -R
and Rtyl W, by setting the Rallm wheel 3 as if the induced voltage is offset, the R side line 7 is
formed by the inclined vibration with the x-x '姻 p axis of the flat armature 3. No voltage is
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induced in the day. In this case, if the number of turns 會 NR and NR are given in relation to the
turns ratio of wire R8 and R1, then the electrons generated in wire R8 will be equal to the voltage
induced in wire R8. It goes without saying that they are set up to satisfy the clerk. Also, contrary
to the above, when the I flat armature 3 is in the state of FIG. 14 of knitting 12 as shown in FIG. If
it is assumed that the flat armature 3 ON pole is inclined in the direction to the right, the right
leg + <8-2 of the yoke day approaches the tip @ pole surface, and the S pole is the left leg 8-1 and
the central leg 8- The magnetic flux φ /, φ, 'in the direction shown, approaching the tip pole
surface of 3, 1t-4.
When φ, ', and φ3' are generated, and in this case, the above-mentioned KH two-wheels R8 and
R2 and M2 are Md, they are added to the voltage induced in the rings R1, R, R, L, and E are offset
by the power FE, and as a result, it is proportional to the change of the magnetic flux due to the
inclined vibration about the y-Y 'tatami mat of a flat 7-mature 3 in Rftll 1 m ring Voltage is
induced, and the L-side wire ring LIC is not induced with the voltage a in the inclined vibration
whose axis is such a Y-Y 'line. In this case, it goes without saying that the turns ratio of the wire
rings Ll and R2 is set in the same manner as the turns ratio of the above-mentioned wire rings R1
and Rt. In terms of the performance of the above-described configuration of the above-described
configuration based on the principle of power generation, there are advantages in terms of
manufacture in terms of housing. That is, in the above description, the four legs 1? Of the yoke
weir extending around the flat armature 30? The thickness tl of −1, R−2, R−3 ° 8−4 is as
shown in FIG. Because it is set thinner, generation of ineffective magnetic flux is less compared to
the conventional structure (for example, FIG. 1), and even for slight displacement of the flat
armature 3, the magnetic potential difference between the yoke 8 legs Because it occurs, the
power generation efficiency is good. In this case, because in this case, the space between the flat
armature 3 and the 11141 parts g-1, 11-2, 11-3 and 8-4 of the yoke weir can be easily set
narrow, so Efficiency can be equal. Since the power generation efficiency is high, the thickness
and thickness of the flat armature 3 can be reduced, and the vibration system can be reduced in
weight, and the self wave number and mechanical impedance characteristics can be improved. In
addition, since the lower armature 30 lower (record board side) vc yoke is not provided, as
shown in FIG. 15, the distance αr between the lower side of the power generation unit and the
record board can be increased. The design of β is easy, and it is also easy to reduce the weight
of the vibration system by making the length 1 ′ of the cantilever 2 into one. Further, by
appropriately setting the number of turns of the wire ring LtsR1 wound around the central leg 83.11-4 of the yoke, the crosstalk value between the L and R channels can be improved and
constant. It can also be selected arbitrarily within the range of. Since the magnetic path in the
yoke can be set short and bending of the yoke becomes uneasy, bending is not necessary in the
above configuration at 6t # with a small magnetic head, so lamination of the yoke part, ie,
stratification, is easy To improve the frequency inertia of the magnetic circuit.
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In addition, since there is no yoke below the flat armature 3, the attachment and detachment of
the vibration system becomes possible besides the attachment and detachment from the front as
in the prior art when attaching and detaching the vibration system. It can be simplified. 1 Yoke's
To-yo 8-1, R-2, 8-, 3, El-4, -7, IR1 * L! * It is possible to simplify the winding work because the
interval of the part where R1 is wound can be widened. N In addition, in the conventional 2channel stereo cartridge, one set independently for L channel and one for R channel, a total of 2
Although the yoke of the set was calm, according to the above configuration, the yoke! L may be
a set, which is advantageous in manufacturing the yokes and in assembling and manufacturing
the cartridge, and a reduction in manufacturing cost is illustrated. In addition, there are various
effects produced by the small size, light weight, simple structure and the like. Similarly, in the
above embodiment, the magnetization direction of the yoke & i armature 3 having four legs R-1,
8-2, 8-3, 8-4 thinner than the thickness δ (dimension in the magnetization direction) of the
armature 3 If the tips of the four legs are opposed to the periphery of the armature 3 and the
four O legs are magnetically connected to each other, For example, the yokes of the shape as
shown in FIG. 16 may be used, or the yoke 10 of the shape shown in FIG. 17 may be used. In the
embodiment, the disk-shaped flat armature 3 is used. However, as shown in FIG. 18, the rodshaped armature Elf is used and parallel to the armature Ll in the longitudinal direction of the
armature Ll. The magnetic pole (2) may be configured to accommodate four yokes 12'f facing
each other at four portions 12-1.12-2.12-3.degree. 12-4'f. In this case [, 8Q1 section 12-1 ° 122.12-3.1.2 4 preferably has a longer magnetic core than the armature 11 0 and the shape of the
armature according to the present invention is not limited to a circle. 19 (a), a substantially
square shape as shown in FIG. 19 (bJ) and a substantially convex shape as shown in FIG. 19 (c).
Of course it is good. In addition, the present invention should be practiced with various
modifications without departing from the scope of the invention. As described above in detail,
according to the present invention, it is possible to provide the entire cartlitz which is high in
power generation efficiency, excellent in electro-magnetic characteristics and easy to produce
and easily manufactured.
4. Brief Description of the Drawings FIG. 1 is a schematic diagram of an example of a
conventional pickup cartridge, FIG. 2 is a schematic diagram of another example of a
conventional pick-up car) II tweezers, and FIG. Fig. 4 is a front view of the embodiment, Fig. 5
and Fig. 5 and Fig. 6 EndPage: 6a Fig. 7 for explaining the power generation principle of the
embodiment, Fig. 7 The drawing is a schematic block diagram showing the side of the same
embodiment, knitting 8 to 10 is a perspective view showing a schematic powder removal of
different embodiments of the present invention respectively, and FIGS. 11 to 15 are the present
invention FIG. 11 is a view showing still another embodiment of the present invention, FIG. 11 is
a schematic view bx, (l + 7 is a perspective view shown in FIG. 12 is a front view, and FIG. 13 to
FIG. Figures 18 to 18 show still another embodiment of the present invention, and in the 19th
south of the armature according to the present invention, respectively. It is a diagram illustrating
a Katachirei. I ... stationary needle, 2 ... sword chiller, 3.11 ... armature, 8.9. 10 -2 ° I 2-3 · · · · · · · ·
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leg, Fl -4, 8-5, 12-, 4 ° Attendant Attorney Attorneys Takeshi Sae '1im 2 years old 2 3 1
EndPage: 7 off factor 8 figure 9 figure 10 figure 11 figure fan 12 figure 13 figure 14 figure 15
mouth EndPage: 8 fan 16 figure p fan 19 figure (a) (b) (C) (C) ( d) EndPage: 9
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