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DESCRIPTION JPS4868217

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DESCRIPTION JPS4868217
Patent Agent Commissioner Ido Takehisadonan Showa 46 No. 121117 20 Inventors 3, Patent
Assignee Address (Location) Tokyo Metropolitan Ota-ku Omori-ku 4Y 5-15 (501) Name (Name)
Pioneer Co., Ltd. Representative Ishizuka Shimizu Miike Name (4) One proxy letter (5)
Application examination 1.1 'N <1' i 1 4610251 '? Specification [phase] Japan Patent Office open
patent gazette ■ Japanese Patent Application Laid-open No. 4868217 'Diite +: l'l'-'J <i J (5 pages
in Japanese)' 8 'l 伺 11 incense sign [phase ]]-1/1 <min 93t'j Hall and through the fret and its
reaction is Boy 1, the title of the invention
Magnetic circuit for electro-acoustic transducer
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a magnetic circuit
for an electroacoustic transducer such as a speaker or a microphone. Conventional magnetic
materials are non-linear, denoting magnetic hysteresis loops. Therefore, it is used as a speaker
centerol and a plate (, Travel time: It is generated in the film to generate distortion in the sound
111f 4 such as the speaker or the microphone. There, conventionally, the distortion is removed
as a jj method. As shown in the center hole (drink alK steel cap fbJ, or as shown in Fig. 1b VC, fit
the steel ring (c) [7 turn or 1 r, i "; In the upper surface of the pole (a), dent the ICt and copperplate the part of the F ((1)) 7 Tiger Temple. In the case of 17 m hiid Mla, b, it is possible to
increase the dimensional accuracy of the part facing the voice coil, especially when it comes to
changing the Ill technology of the cylinder strength and the cylinder degree compared to the
conventional to secure the dimensional accuracy of the part facing the voice coil, 1. Fit a worn,
particularly copper ring (c), in which the flux density 1 is reduced, because the air gap is
substantially extended. In this case, the magnetic flux distribution is disturbed, which causes
distortion. EndPage: 1st CK, I: ri = + 4Jl type of +7 nod (“it”) fz, applying a 1 9 -t plating layer
with i e 1. ・セ3. In the d · · · · 乙 and Jl: i 'f, J East F1 and used d) de, east of! There was a
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defect that the effect of IIII was overdue. , 4 to the light (Masito's saddle point U (1 [t] 4. (..., /
(according to the circuit I'4'4 "I + Ij + 41i, '1 s 1 s j and 17 It It v t 1 s, 0), -rt) ll and こ (size, + (Eh
1 1 b () “Cedifice 11 す su · · · (circuit 61., +40 + m4.t (11 '” J 婿' '', t コ times g '(more Hfl.
2L4iJ’r(、(1)5v、iるiイf、’+4t! I 'Chino · Henna Takeno 1 I (I do:' i (, +
4-iA: rkl speakers (· pay 1-(4 voice-J '(! ’C、L’4+:’j’j’−U(’/”、l1.
−:”AmIA、k’i’IJI:−54jて”へiコ、LIr+? ノ’i’l:’I1.! "J
111 '(causes intracavitary strain to be generated by μ + i, +1 to 1 · f to 17' r, q to h 1 · 11 t 11 n
11 勺 Apl # + → → 1 st t-C. Next, ζ4, ', 11jli's eight h-1J: 1 Seo, 2 1 and both w W! i + 1 + (York,
(2) is the yoke (1 + central master solidity)) fr 4 inter-hole, (3) is ring-shaped McFitt 1, (4 + is tIII
VCb 'on the magnet (3) (1) is a coil bobbin, (6) 1.1 years old Iscoy A-(,), Shiro no tatami mat 7.1 ·
lII '· two っ て 1 1- "Neil j21 outside 415μ, Freight (4) [Bill 1illIt ', l'!
1
Ikkunie Ino + 16) vs. 1 ll-14i ゐ k (こ こ こ シ シ 化 化 化 化 化 化 侘 侘 侘 侘 侘 fl 2. ) J · · · ii
L 賜 saturating · l 'al +117 qui prime' toilet 'Q Q) · イ ー 乃 1' Lgl) month (7), +8) V (て). 而 1. 、
坏 よ り l − 斤 イ イ 1 A A A A A − 4 侮 侮 A 駅 A A A A A A A A A A A A A A A A 容易 容易 容易
容易 容易 容易 容易 容易) ・ ・ ・))) Jll, ' No .-. ('Pin..9, Magnetic Anisotropy Member (7) Tsuno)
Answer Dovetailed I, Center' (5), Yoke (1) 'and Magnet ((Return to F) Necessary for movement, +
+ 7 options for fu air and Q inside. Of course I 1 Katsura A circuit 1 · IA function! · 1 fi + 'bundle
also · ;; 六 六 11 客 程 11 の 化 B and 11 · · 吻 (P 楊 11 Therefore, the magnetic resistance of the
magnetic circuit and the magnetic circuit of the magnetic circuit are not included. On the other
hand, the voice coil +6) K is divided into 1's (one end is a broken line in FIG. 5 or 1F1'4e song
which is shown in FIG. 5). --Suzuyuki ,. 1! 1 ”, 5 'ltl 硝 硝 硝 LH LH LH L L' 171 (71 + (8 + U)
both of the nitrification and movement control direction V (II II-Z Z 會 1 1 + & r. 1, 1 (, this
individual East Q) once against 1 吟 A resistance is large difference (ltt east is small, 4 蝉 宋-C
almost causes air saturation, so by Heiss coil (6) The synapsing action between the bundle and
the magnetic IIjJ road forest is reduced, and the occurrence of distortion due to the non-linear
nonlinearity f1 on the magnetic circuit side is largely reduced by 11lIiIK. Since the resistance is
great, there are 41A di-f- even for the whirlpool flow + i 41 r C which is brighter than the voice =
+ 1 Le, j East W. + + 441: b, r irt 'Ip (' li stream fD specific to Z heaker -t) 4+, magnetic feed at 1 L
° C at all times 1 f 111 · January 1. Even if it is 02, it is cut into 02 (, even if 5 figures “2 己”
'4: ′ t ・ t リ ス リ ス 翫 1) Ittl ゝ; 1 '),-(7f, 7-n-tuff:--) [(2) upper part 7/1 cycle: Goto l' 'L / -1 (4)
inner circumference t' '--J' n (Tsuno f 1 黍 1 1 4, ク 謝 本 4 I River 1. たものでlっる。 In this
case as well, as shown in Fig. 1, M4 fl 14 is used conventionally, and in the case of 6's 1'-, the
second, 'pi 3 d-' is large, but in the present embodiment, the second, The 5th fertility is reduced
to dog screaming '+ 1. ている。 j + 'flm + 11: yJ! 2nd type 1-1-rI' dl (d1M14 'rx gain (/ i7 lter's +)
property), and it is [phi] extraordinary ruble lumber.
EndPage: 2l'l-) ', l', i, ": u:", lU (Attach is magnetic 74 '1. Bi7Jg%11−r−、w。 111 ': ,,,,,,,,
8-, (-) $ +' AI "l 'L' + 1 ')) jet H 1 J y l l, 1 d 1 ris 6 1 1 fi i il (/' l /-) ( 41, the whole upper part of
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the center pole (2) may be magnetic material universal material t1 and false tr'i), ifr4 · f seeking
magnetic material father is' AW universal money earning tri + Pu + I busy compatibility J. 翼 的
に 気 気 部 材 部 材 部 材 部 材 部 材 部 材 部 材 部 材 部 材 部 材 (C C C C C C C C C C C C C C C
C C C C C C C C C C C C C C C C C It may be a member l (C +; ・ J @ go to stack (, 1 twist to 1
figure 7)? 11 h end point am ++ (4 plate or ++ if're) 容 weight of the plate / 1 ttl (i ζ, 11 嘩 嘩
temporary i 91 91 F 7 l- ter rkml-1 or + 11 '' a temporary + LL) 'c through (-El-te + =' +) layer 1 is
also available. Insulating plate (9) Ii: lfc, with paper (in the 11th river in the east of I'l peak, with
less 臥 t + l) Chikura 11 · 1hi (1; by doing, + tl: ah · I · 率 艮 ス ス ス ス,- Ficro 7Jn-containing one
tube # +2: Summoned? Do you want to make J? 屯 H H H (H H H J ((た た M M た M M M M M M
MMMMMMMMM劃劃劃劃劃劃劃劃劃劃劃劃劃劃劃劃劃劃劃劃劃劃劃劃劃
劃 劃 t From the point of view, it is better to use t as a layer for Z0 tree Imei (size 1-1 self 1, tame
c '畿 A · A gap metal 1 cedar IJν conducting part of the electric circuit Ni1i material (bow?
Naughty shame JiJ 踵 Noah sex, ・ ・ ・ 8 materials, 8 pieces of イ ヌ houinu coil vs 12 r r (fi, Ar
(: '1 is 2 people, 2 scikas Hp, 71 ft, V, b) G box with 707 bows Q ((() が I P) P P P P P%%%%%%% 1
1 1 1 1 1 ((1 1 1 1 1 ) II tl, "... <會 l, scold with borrowing. pj11 j j ', j:', 't' i; i & C 、 t,-+-t, Q clear 1
but 1, 1 'r' itFC tli (j4, C! f EA:% y * te ' t-1'l <-'1 crophone "? 'P: t'l B, * m 4 會 1) Temo Yu Qj)-/'
source.
Fig. 1a-c is a schematic view of a part of the conventional I 1 noise 41, f in the Ka conversion k
<L circuit IU 1 view, Fig. 2 is for the city four-piece acoustic converter according to the present
invention Magnetic il: One example of the Il path: Ho to the central four-way one-channel
diagram, Fig. 5 reduces the direction of the magnetic flux Partially Hi day mA! 図, · M41 Slit
Conventional magnetic circuit for Ill river + Shehe current for current, city characteristic diagram,
for 5 Figure + + 明明 V (, according to the magnetic jpl path is used · H, lr1 歪 strain
characteristic diagram, Fig. 6 shows the central 1 砕 1p-1 1 of the example of + U +, and Fig. 7
shows the '1! (11i'f yoke, (2) Q center pole, (3) is a magnet, (4) is a plate, (5) is a coil bobbin, (6) )
HaVoice coil, +7) +8) is Mi, JJ property + kQ. EndPage: 36 light other than the above, 9.1. 〆 1
'Applicant or Agent (1) Inventor Address Name Address Address Mr. r. Address name (2) Patent
applicant address (location) name (name) representative piece address (J) location name (name)
representative group (3) agent EndPage: 5 Warning: Discontinuity of Page
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