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JPS4727831

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DESCRIPTION JPS4727831
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1a shows the invention according to the invention
with the lid for sealing the acoustic chamber removed. FIG. 1b is a side view of a ribbon
microphone having four vibrating elements, FIG. 2a is a side view of the same, FIG. 2a and 2b are
L sides and side views of a condenser microphone according to the present invention, and FIG. A
general equivalent circuit diagram of the vibration system of the microphone, FIG. 4 is an
equivalent circuit diagram in which the transformer in FIG. 3 is eliminated, FIG. 5 is an equivalent
circuit diagram in which the equivalent circuit in FIG. 4 is organized, and FIG. An equivalent
circuit diagram in the case where the four-terminal acoustic circuit shown in FIG. 5 is
represented by one acoustic impedance Zz, FIG. 7 is a directivity characteristic diagram of each
transducer element of the microphone according to the present invention, and FIG. Figure 9
shows the directivity characteristics when adjusting and recombining the outputs of the two
adjacent vibrating elements, and Figure 10 shows the directional characteristics when taking the
sum and difference of the output voltages of the two vibrating elements. Two vibration elements
FIG. 11 is a circuit diagram showing an example of an output combining circuit for obtaining a
directional variable directional unidirectional microphone capable of rotating the main axis
direction 360 degrees using the microphone of the present invention. Similarly, FIG. 12 is a
circuit diagram piece of the modified example, 3. permanent magnet, 4 acoustic tube, 5 back
electrode, 6 air chamber. Fig. 1b Fig. 83 Actual opening 47-27831 (2) Fig. 2a Fig. 2 Fig. 3 Fig. 4
One opening 47-27831 (3) Fig. 5 Fig. 6-Y Fig. 7 Y Fig. 1 Y- 85 = 47 4727831 (4) Fig. 8 Fig. 9 Y86-one actual opening 47-27831 (5) Fig. 11 Fig. 12 correction 47 47.2. ?
Detailed Description of the Invention Inventive 12 / piece microphone four-phone "t's channel
acoustic t" distorting blue oscillator element Th? ??? It is% O about Itadai phone ?
Conventional channel stereo blue It! ? ? ? O single directivity to collect capital! Ita Gastric
Phone fp @ Vh, these "j'A '-= 70q1-nQ [They were collected by arranging them in a radial
arrangement, but such a method requires a large number of microphones, and it is inconvenient
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in sound collection. Shi, and each! Because of the position interference O accompanied by the
time of the sound 0g 4 og hon hon ? sound 0 (the localization of the previous image is unclear "t
'To"). The conventional O method to obtain a single directional directional variable microphone
tube capable of rotating in a principal axis direction of 0360 degrees is firstly bi-directional as
described in the patent invention Q as a patent invention of the applicant O out HK. ! Main axis
direction fJto51: A bi-directional directional directional variable microphone W-phone can be
formed by ?-phone p-phones, and the output of a non-directional microphone four-phone [This
is the method of combining the unidirectional output. It was not. This cold KJ @ C) element mic
shiphone is necessary, and there is a drawback that the high range O directivity pattern is
impaired due to the large distance between the element mic siphons. In order to be able to
properly arrange K11 l, and with the IIIO microphone W-phone 11 rich in the channel 11Th
collection 1 or-in the main sector or in the main shaft direction 34011j, to be able to rotate ? ?
?? ??-directivity! ? ?? ? ? O O O O ? ? ? ? ? ? ? ? ? ? ? ? ? 1 и и и 47 1 и и и
'47-278 31-03 four phone I-Jul service. In the present invention, the equivalent mechanical
impedance equivalent 0 vibration element ?Each element is acoustically # c # 1 matched to the
tank weight through the terminal 0 to @ next to the terminal next to the acoustic circuit next
week, and 1 # II tll of each vibration element output In the same direction-each other's 11K de O
degree O angle adjacent to each other in the dream direction [each vibration herb and ladder pair
acoustic circuit O Acoustic impedance ?Separately added and extracted as 1 or synthesized
separately for each vibration bulker output YII. Figure-(Shin Yoshimoto Condensation
Explanation. Fig. 97 shows an example of a directional ribbon structure of a directional
microphone according to the present invention as a tube. T / 1 / ', /', / 'is a ribbon, 2 Fi ring
pieces, 3 is a permanent magnet, The ginsengs are shown in the picture. The first figure is a
sheet of O vibrating membrane ?Used also by the invention! Iku 4 phone Ol @ 0IIII fi tube
shown% 0, t, tl,%, tll is 0 diaphragm as a work element, j back pole, 1 is an air rod.
In general, the equivalent circuit of the 347-27831-04 vibration system of the microphones as
shown in FIG. 3 and FIG. Here, S, gl + ?3, @ 4 is the area of the vibrating element, the phantom,
i2 ░ z, i4 is the equivalent impedance of the vibrating element, * 0. ??? ?, ? is the vibration
speed of the vibrating element, inside, jg, ?, 'p, is the sound pressure applied to the vibrating
element, & is a pair of acoustic ladder circuit (medium space surrounded by a method oH moving
element) [5it for effective fishing from point to each acoustic terminal-shown. The equivalent
circle in Fig. 3 shows the central ill cycle circuit and each threat ? ? ?, '' iJ + J'r thing, it's
machine ? Price range ?All plane B construction electronics /, / ' Converted to the mechanical
circuit of, it becomes like the reference figure. Therefore, when the condition of-1-1-2-2 "8 1
142" g ? I 1-is satisfied, that is, the condition of equivalent converted mechanical impedance or
between the respective straddle elements is satisfied, the equivalent circuit of FIG. Is slaughtered
as shown in Fig. S. However, 1k No. 47-27831-05. 1-) V, -4 + 11; 3 (-) V3-3 * 184 и 1 (-) V,-881 и \
pljl "" lp 2 "1-" 2 p 3 1-F 3 '411 ?- 2 knee bream. It is a nostalgic change. This microphone
phone K (?, ?) direction. 2. Each ms terminal '+ /' i, 2 '; J, J': reference, a exciter F having 2XI of
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q 'when a sound wave is incident from a quirk. And F4 female, the position # i of the sound wave
incident on the origin. + 0'I'B-Fo6 Jkasinem1ysfF- * a-J '? Sin # so, 9' + 3'0y, -F. e-Jka5ill?-1 ?
?2.4.? ░ ? ? ? ? ? ? 831-06 where 1 ░ is the excitation force at the origin, because it is
cold ?? (c: grant, @ #: precious signal angular frequency ?). Also eclipse the acoustic
resistance connected to the acoustic tube and set 4 I terminal pair acoustic circuit-? ? ? ? ?
? ? impedance matrix [(t]. "11 issues 2. 7132. Seven 2 ? ▒ 22 ▒, S 7, 4 ('z,)-, (4) z 3 ? 2, 2 ▒
33 ▒ 34 222 ▒ 414 j! Assuming that the vibration velocity [[э] of each diaphragm, and the
excitation force t [*] applied to each acoustic insulator, these are э,! ? э 213 [Lee, (i: +-Si, (S) 3
v 4 children. The vibration velocity of each diaphragm is (?) ?1 [▒] ??. [X]) ?[*] (phrase can
be obtained.-K (1) is unit F matrix ? '? 47-2783 I-07)-/, 0, 0.0" o, t, o,.
[Working]-Q, 0. l, 00.0, 0. ????? # Terminal pair 1 range or 84 acoustics as shown in FIG. O,
in the case of vcFI, z, z, ? 22z, z, iz ▒ 2 [phantom-, (7) z 8 z zzz 7, tz Since the velocity is 2z8, the
velocity V of the diaphragm 1 ', [t + ?-). . s (msim?. o 1 ?) yoZo (Z. + * Z,)-Kono zoO @ (klsin II
dew 11 ?) to j (notice. + ?,) sin (klsin. ???? )) Ask for 11 $ 1. Considering the ribbon
microphone in Figure 1 owns as tl @, Zo = j ?, z,-wr (however, "47-2783 1-08 and the mass of
the ribbon at 11 o, r is the acoustic resistance) and the emotion Since the approximation is good,
these values [(8) ? (substitute, ka (/ f satisfying the middle frequency range below satisfying the
ribbon 10 output power F + :, (proportional value r э 1 / ?Or And 0m0rVl + jp + 5 ?! J cone ka
* in # oo sp ~ rit (10) ░ 2 ?,. ? ???????? The condition for becoming vl or unidirectionality from equation (10) is 11. -4 ia 7. ,. . In this case, rCrll is obtained as ginI @ os? (/
(+ ') to ? (l ? jka). This indicates the positive direction of the main thin-axis, that is, the (?, ?)(0, 0) 'llk direction [same-order single finger identity pattern]. Similar to the output of other
ribbons [Similarly taken out (a unidirectional pattern in which the main axis is directed to Y-axis,
-X-axis, -Y one-way, respectively]. Directional pattern t-1! It is shown in 7 (2). 47-27831-09 In
this FIG. 7 # C, 7 to Da indicate the directivity characteristic i of each ribbon output 0 Therefore
the output of these ribbons [Separately (one channel sound can be picked up for one channel
sound can be taken out. It becomes. Incidentally, the difference between the areas of the
transducers m * and the difference between the mechanical conversion coefficient and the like
(due to the unevenness of the sensitivity, the output of each image pickup element can be
corrected by the amplifier t). In the case of the condenser microphone as in the case of the
ribbon microphone and the four-phone, in the case of this condenser microphone, for example, rt
knee as a habit proportional to the vibration III film / 4D output voltage in the case of this
condenser microphone. ,--By thought. j? y. The output voltage Trio of this vibrating element in
the case where a sound wave is incident from between the principal axes of one vibrating
element, and the output voltage sensitivity of each vibrating element [When aligned, the output
voltage of each 1 Mml element is ?3147-27831-10 XO ? ? z-(/ 4psin theta eomq) child.
"Z-(/ + mix.theta.sin 9; ') tag (77)] C3-(/-mum.theta.oomq) Da OK 4-(/-sln.theta.sin 9+). Therefore,
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the output of another vibrating element that contacts iI, for example, the sum of i ?, i2, and! ! !
????????????? (/ ?--oom (?--)) J ((/ J) 0 El-2-r: mountain aeom (def), each ?-j
direction? The same single-directional pattern and the Is- 4 Isg direction [The directional
characteristic kllAI (2) of OC that is the same as the Oka finger homosexual pattern facing the
direction is shown. 'eKKVXz- * 2> ta times (o <a //) vclIIB and re-synthesizing, 1 #-░░-? -co-J' и
9p * 1047-27831-Th1 (E1) c2) ? (* ?-*)) -4 ░ 1 / +-mix ? (f?) mill = 7 ? ? co ? lEx +)-6 (i, 1 E, 2)-1 o blowing q sin ? oom (f-F)) door 1) door However, l-? ?-tan (-) l ? ?! As shown in
the diagram, which is + ?F?tan (?) ??? ?1-1j2, 1! From the angle between the principal
axis direction and de-O0. ?? -One unidirectional pattern. The above (l ?), (/ J) equation to the
capital and E3 и E3 and * 4. * 4 and iXO combinations hold true. As shown in FIG. 17, the
microphone according to the present invention is not limited to a single unidirectional pattern
which is in the same direction as 90 degrees as shown in FIG. By making it a uni-directional
pattern that can be changed to other than 190 degrees of the main axis direction! ?? By this, it
is convenient to be able to make the main axis direction [variable in accordance with the
arrangement of the musical instrument, in accordance with the arrangement of the musical
instrument, the one-point setting of. @ 10 diagrams m The outputs of the two vibrating elements
in contact, for example--and! 2 [The above-mentioned 0 (/ J) equation (in one path having a
potentiometer to be synthesized, its synthesized output * O arc t is ll, ?. It becomes 1cot1t ?
(??) Kl ? ? E2 (0??4900) (/ *) co?. Therefore, when X is substituted for E2 in the above
equation (/ 41) K equation (11), xo door t = '-one "" (Z'U). ? 1 s) 1 ? ? ? However, ? '-tan (-)
?-? Then immediately after the potentiometer-o 71 a single directional pattern is obtained
which rotates in the direction of the main axis according to the rotation angle of the work. In FIG.
10, R represents the output impedance of each microphone and the microphone four-phone, and
P represents a resistance distribution or a uniform circular lentiometer.
The resistance value of the whole circumference of this circular potentiometer -P, MO1 idle) "? L
'47-27831-13" is taken as the output impedance RO of each element microphone. Make m
residuals of the remaining circumference equal to each element microphone O output impedance
value R. S, 8 are circular l tensiome i-P, and the finger rotation is shown to move K over the MO
scrap at a distance of tctro degrees. In the 1g circuit shown in the above-mentioned IIs?
diagram, only one rotation within the range of 001001jtoo can be made in one main direction.
Therefore, the present invention microphone as shown in FIG. 141 [for 1 IN // as shown in the
figure, the output of the vibrating element 1-W [When connected, cP-? = de O 0 The other lIkwn
element output, which is output as? Got + t. W is short-circuited and output as h & WIJt child 1
and ICI combined output or 1cout at 900-?4 / 100, and other Ikl [l element output 1. It is
possible to realize a directional directional variable unidirectional microphone 2 '? ? phone
which can be rotated in the main axis direction tJ40jli to operate in the same way because it
operates in the same way. The impedance of the external load circuit with respect to the blue
tatami impedance tJ6111 ░ [No и 13 * 74.7-2 ? B3i-i4 but in the first i WJ circuit synthesized
(not involved m dynamic element o external negative IIi circuit It is necessary to open the
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external circuit of the vibration element which does not apply to synthesis because it has an
impedance of 0 or an acoustic impedance of j 6 111 ░ K. The circuit for this purpose is shown
as / j 93 K. This circuit is based on the applicant's application (related to Patent Application No. 4
to No. 4. In this case, the oscillator element 1 and the IO output are synthesized with q q, 00 q,
and other O components 1 l II II l !, NO Open to the output, 1 & 1 dynamic element 1.1 is
synthesized at 90 ░ 2 ? t / II o, other O vibration element 1, NO output is open, and so forth as
to make it rigid as well as unthinking! The microphones [, ?? principal axis direction 3 3 O O
degrees can be turned to a directional direction ? ? ? ? ? ? ? ?. In this ml /-diagram, 1 to
y are vibration elements, sl is a finger movement of a circular methine geometer P, M, ?ag
movement 10 rotation angle, 1 cout Fi J 40 degrees pointing direction same variable directional
output [Show. In addition (l Tendimeter P, MO14 conductor t1 breakdown insulator [indicated,
respectively, this methin geometer p, xo * m. Resistance value by each vibration element!
Is it 41% of 47-2783I-15 Bomby R to go out of the Ikuhonon? ! It is obvious that the example is
the same @ Note that the present invention is also applicable to microphones of any type of
acoustoelectric conversion system, for example, electrodynamic type, electromagnetic type,
electrostatic V, piezoelectric type, or -Is a microphone 0 phone P such as a semiconductor type!
Can also be used. The above-mentioned microphone 0 according to the present invention uses da
twist wJ elements! In Iku V hon, adjacent single-WII 11! Adjacent in main shaft direction or angle
difference of K900 each other! ! Since a l-character pattern is obtained, one main left blue Ka
such as a reference channel sound is obtained, and further, the distance t11 between the
transducer elements is sufficiently small compared to the wavelength of the wave 8, and phase
interference does not occur. Oriented or clear reproduction 'III'S is obtained and combined with a
circular potentiometer i-It is also rich in making it a variable direction pointing beam variable
single-1v fleshy microphone in the main axis direction VrJaol K @ Fig. 111 is a schematic
diagram of a sound-tight seal-a board [removed principal xB47-2783i-16 (according to a ribbontype microphone having a gO vibration element according to WJWJ1 Fig. 1b shows its individual
orientation as well. Fig. 11, 11 and co b WJ are also the condenser type mic field phone O above
# 71 i and the bi-directional (2) according to the invention, the jFIJ diagram is the vibration
system of the mic siphon according to the invention General equivalent times 1 [+, III diagram
between equivalent N paths that Kitashi Qing transformer of FIG. 3, FIG. 5 is a equivalent ginseng
view - between road - leveling the equivalent orifice passage, II! Fig. 4 is an example of Fig. J, Fig.
0, Fig. 0, Fig. 10, Fig. 7 shows an equivalent 1 gl path diagram, and Fig. 7 shows the present
invention (according to each vibrator element output of the microphone waphone O directivity
characteristic diagram, Figure r is the sum of the output voltage of one O vibration element in
contact with the unplanned mic field phone 0v I 4 and at the same time O directivity
characteristic (2), Figure shows adjacent one vibration Figure 10 shows the directivity
characteristics when the output of the element is adjusted and resynthesized. Fig. 10 shows the
output of the ? light collecting laminator ?O ?? for synthesizing, Fig. 11 is the microphone of
the present invention. ?Directive synthesis N way O / example to obtain [Examples,-Between,
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Fig. 1-Figure 10 is also the same example O circuit type circuit (2). Oh. 7 'и и 1 '47-27331-11 l и l'
ll 'и f ? side accumulator, 2 ball bees, 3 ... permanent magnet, ? 11111, jv 6, 6 ... air room
practical model registration- Assignee's Day * Broadcast Association Attorney Attorney Sugimura
Nobuchi (The 5F Shiosugi Sugi N Cho Den amount amount patent attorney Sugimura Kosaku
174'r-27C: 3t-18l '' 21-2, / '33 Figure & 2b Figurer: ? anti-i, = 1 / '/ II-Figure 8: z ? / z 3 и A /'.
4 false 41. ! ?? ??1454 ░ -Y4... L: s,? Cedrus, ?l и ииии 411 ? ?? eq, l, ~ to A7 (s,. ???
??????????? 4th ?-bell Y'l: 'asf, YJ', "! a ? 2 ░ FIG. 6 sound aX 11 direction self (6
?) -X, / A, 4 'Lhio, 2-Y-, F2-Y 4', '! ?????? Z-out 783 mass 4'7 '-27 v 31 -10 Fig. 6 2.7X3-bY-Y-4-4' 8 / Z Fig. 1 1 ?;-X 1-y 4 S 'y / 22, +. 4, 7-271'8 heat -21 true 1 v eyes and '(j, s t 2) () ?
tl x X No' (1 2 t-E 2) Y Figure 9 (Et + Ez)-6 (jt-k) 'f-(j-? ) -Xg = tas-'(-/ (E1 + E2h5 (El-E2) -Y4727823-22) first ? figure REl- + F? MRS ? ? ? SE2-IREautl de Fig. 11 like -1) 11291. fs to 1 ?
и 9 1 ? ?, 3-1 ? ? '5-) 247-278 1?2 1-23 ? ? i + iPM +, 3-l / ? /-1 1 1 ? 1727 ?: Medium
5'7'7---? (? \-/ 1 /// \-X1rt't ? 11so: l "llllll IX; / 77 no, no / \, \, \ + -/, P / do \\ / 1 / \ + /) \
?-/ ииииииииииии-1 + 1 / / iS ?----= / ? ? m ? -245, List of attached documents Il + specification IIt 112) Drawing 1 (3) Power of attorney 1-9Q 11 h% 9 h flh%%% M <Crane to west-v-'6. Other than
the above inventor, utility model registration applicant or agent t11 inventor, 121 agent
residence Chiyoda-ku, Tokyo Chiyoda-ku Sakai 3-chome 2nd 4th zip code 100 (5925) Name
Attorney Sugimura Ai y "," 'Fu и X (и hen name valve и ? ? ? ?,') t-278 31-25 '? 1 ░
"procedure amendment Showa # B) January ? Japan Patent Office also & Takehisa Ido. iII ? 1,
incident display Showa% Showa year practical button 1-Request No. Jtl l l-+ 2, Note IK 641 ? ? I
Oi I Mitta W phone 3 with moving elements, correction person 'Itl' 1-A (7 ) IIsI ,? + Practical fr III
registration-deputy (481) Nation military broadcast tube money 4, agent Tokyo T representative
exit) district ? ? 3-112 No. 4 ? Building 7 Ill! IWi ,? , (1081) No. 2241 (representative) (+ 317)
Patents in charge 7 Ninsugimura Nobuyoshi j External name 5 ░ 6, correction target in writing
in ew ? ? ? ? ? ? 1 1 1 1 1, 1 lll IO ? ? ? ? ?; i ? two T7, correction The contents (as
attached) 111- ') IR "41-" 6 "░ t 1st tribute * S- line" one-pointing direction acceptable 1!
R finger flesh direction variable single-directivity miter W phone JK correct, l! Correct "Directive
available" of 15Jll ? line to "Directable variable". JL same staff member / 1 line of 'following' r
female A A '# i after conversion Da terminal vs. acoustic times II? Show. Therefore, "(correct.
Correct the ?terminal-to-pair 11w circuit '? of ?Da-terminal to transmission circuit? of the
JWIi @ tB second thing line (! ?Impedance it-r impedance? (corrected) in the same 1st JNtq
line. ???????????????? Correct to To line r special 11184-IJtr real II ? 6-co ti
'ti No. ? Do the same in the 14th line of No. 14 No. 4 "Reduce" tr. 71 Correct this to ?m jtr 5?
in the drawing @ and 5 in the figure. ? ? ? ? ? ? ? Name (1)
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