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JPS5092754

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DESCRIPTION JPS5092754
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view of a conventional
electrostatic horns beaker, FIG. 2 is a top view of the electrostatic horns beaker according to two
embodiments of the present invention, and FIG. FIG. 4 and FIG. 5 are sectional views of another
embodiment of the present invention, and FIG. 6 is a graph of sound pressure characteristics on
the axis and at 30 degrees from the axis of the present invention and the prior art. Orla horn,
101 to 107 ииииииииии Electrostatic speaker unit. Fig.1-113-actual opening 50-92754 (2) Fig. 2 Fig. 34-actual opening 50-92754 (3)-Fig. 5 Fig. 6 # 30 # 20 pairs Sound ? I 0 (iB) A?O ? ? to o /
oD / ? ///// ? ? 2 ? ? to A 2 1 ? и J Ц, = ? ? f и Ha B 3 (? / 1 ? ? 1 B t ░ 30 ░ 1 1 (XX)
a V V 3 o 0050 0070 0002 QQ 0 Ichikawa liquid-& (H vision-115-
DETAILED DESCRIPTION OF THE INVENTION In the present invention, the example JL uses an
electret and is more than an electrostatic layer horn speaker such as a speaker I? ? O First,
K11llti together with the first w for the conventional * t * horn speaker using the electret. The
19th ff is 1.1 '! Ret Ret, 3I close 9114. The metal fixed electrode is attached with an adhesive
tape or the like, and the above-mentioned electret @, a'l & IK is a loss-free film 2 through an air
gap 4.4 '. fIL * 1ssf doing mouth f) IIIIIIIit # 11111 Nodate ICI III attached 2. Above gold IIm
fixed electricity 1, 11 and elm! A plurality of sound wave emission holes 6151 are formed in the
treble 3.3 'to radiate the somatic sound waves generated by the vibration of the vibrating
membrane 20 into the space. The back surface fixed electrode base SI is disposed at the edge of
the back surface group IIIIl constant electrode array, and a back surface volume 6 close to fL @
closed or closed is formed. S is a fixed electrode table, and the upper plate-fixed electrode 1 '1' is
pasted or embedded in this electrode table a, a'ec, or an adhesive. 0 Electrical connection
between the solid-state electrode 1.1 'and the input terminals 13, 13'! IIIIKs, e 'are made of a
conductive resin or a resin, etc. 10, 111 1 respectively fixed gold electrode fixed electrode stand
8.8 'b bolt and nut. @ Odds are applied to input terminals 13 and 131 'via impedance matching
transformer T, and ? и more than 1 [13 [sbi kayet is composed 1 This sbi ka ei nit em 1 g K is
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then total 1, according Horn SO-Name of the oar-и и и и и и и и и и и ? ? ? ? ? ? ? ? ? ? ? ?
? ? ? ? ? ? ? ? ? pressure sensitivity, Maina Z Tsutorange such as 1! Realize the t <, ce
electrostatic speaker. Rounding K makes the air gap 4.4 ? of the first-listed speaker very small
(about o, og? ? ~0.3 m / IIN) Or, the speaker unit itself has to increase the volume of the
moving system to increase the volume velocity. The pigeon which has made the air gap 4.4 ?
smaller, vibration I! It is impossible to take a large vibration amplitude of 2, and as a result of the
seventh, the reproduction frequency band is written in a high frequency band. 0 For the same
vibration system-product or horn opening area, High frequency <e ? sharp directional
characteristics <1 ? 30 on the axis, the frequency characteristics in the direction of deterioration
deteriorate и OSm narrows the air gap 4.4 ? ha re debris liquid drop The region is transferred to
the high region, and the frequency at which directional ? Ik begins to deteriorate is low * h% O
? ? t?
& Jb, according to the Puden ? speaker in the output tube pressure and ? 41 41 ? III III III III
III III III III III c ? ? ? (? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? lc lc lc lc Ilc
Even when the sound pressure improvement is achieved, the% is too hot (1 to 1 and therefore the
number of fluids that start to deteriorate is reduced). As described above, the speaker for
warning the pressure drop improves the sound pressure for 1 h and the hand N also causes
deterioration of the directivity characteristics (1? However, at the expense of directivity
characteristics, the air gap 14.4 'is made smaller, the vibration system area is heated up, and the
sound pressure on the front axis is increased to make it IA-shaped! It can be said that the sound
pressure on the frontal axis has been increased using h ?, that is, sharp directional
characteristics. By attaching the horn to the electrostatic type speaker K, the radiation resistance
by the horn can be extremely effectively increased, and the control mode can be made resistance
control. In contrast to the electrodynamic type speaker, the vibration type system is extremely
large (20 to 3 o) and therefore it is an electrostatic type large constriction. The sound power
characteristics are output by the resistance ? 1lllvc f and the f, and the sound to which the
sound power characteristics are to be distributed is output. However, although the horn O
radiation resistance is greatly required <Sic <th <and (when the horn o @ e effect is large heat (if
the effect is increased), the resistance control area company is expanded, but the on-axis sound
pressure lI # property is increased by. , Plain weave of the on-axis sound IEII, 1 to 1 as shown in l
1111! In the conventional structure, the problem is Y-Ikh. 8 ', i6 ░. The present invention is a
defect of the above-mentioned conventional O electrostatic layer horn speaker, tampering with
the finger characteristics and the on-axis sound pressure characteristics, the horn and Speaker
unit vlll N! The purpose is to smooth out the islets, and a plurality of chopsticks speaker units
should be arranged side by side with each other in a suitable angle summer tube 4 in accordance
with the design purpose of each unit. It is a combination of multi-cellular horns with throats of
different aperture ratios. The following is an example of the + X idea: c @ X @ + 0 in FIG. 2 which
will be described together with FIG. 3) IK 3111) 101.102 ri electrostatic lid speaker unit, these
are angles ? I / IK # It can be placed close to you. ! A multi-cellular cellular phone with two 11 ij
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Q-shaped portions and an opening IN (rectangular shape) in a self-shaped manner. H. 2 horns 1Tomo, and the same angle 0 as the arrangement angle of the speaker unit. Reference numeral 16
is a mounting plate for attaching the horn to a speaker box or the like, and can be understood
from ?O take (?(? ? ? ?? ?? ??? speaker output is the first m G speaker airt). It is
necessary to make the arrangement angle f11 freely even if the two O-speaker units 101 and
102 are extremely close to + Cm because spring can be extremely thin (eight or less can be
divided by light). Absent.
* When connecting a horn to the electrostatic layer speaker, it is not desirable to squeeze the
horn like a dynamic 1g horn speaker from the sound pressure sensitivity 0 point, and therefore,
the throat product of the horn will become large. It is effective to make the speaker unit thinner.
Because the area of the electrodynamic horn speaker is small, the angle ? (ao0 or more) is set to
4 as in the case of the horn and the speaker unit egaw because the area is small! It is extremely li
to sum up! ???????? That is because the electrodynamic speaker unit is large. Taking
advantage of the feature of thinning of the electrostatic 1 speaker, one horn gives a large number
of throat fins, and couples the speaker unit to the waist W of it. In the case of K1 or ? softly the
horn is different from tffc. It is possible to make a circle by selecting the arrangement angle of t,
sbi-ka-ettsu '? ?)), 1?7T и t and ? 4 ? ?. IIEa @, @ sslmK) kllom, 10 &, 1011, 106 ░ 107 are
Fuden Electric Heavy Metals, 1551.8 SR It is an fL * multi-cellular horn molded integrally. The
frequency characteristic of the present proposal is the structure K) as shown in the second row,
and the arrangement angle l! It is possible to falsify the finger-gloss property, positive-axial
sound pressure characteristics by modifying ?, and * e- is shown in FIG. 2 and FIG. Loudspeaker
02 one speaker unit configuration angle change-fIlsOotn * o positive-on-axis sound pressure and
? o 0 0000 o'clock 0 sound 8 E 411 characteristics from the on-axis, and so on the direction of
electrostatic capacity horn speaker D shown in Fig. Sound pressure characteristics O Comparison
of Toho invention and the conventional example with vibration system product (60?)
(7041111) etc. Ho ye streak rate, horn cut-off circumferential fluid number is also the same 0 S
It is a comparison when two multi-k k и cellular horn # c as shown at 1-0 ? ?-as shown by 1-0
? ?-as the same as the speaker unit for 1 _ shown in Fig. If you squeeze the horn too much, the
on-axis sound pressure will be about 64B10at like characteristic AI There is a rising curve, and
the directivity characteristic is also a storm (not at B 'and at a frequency K which is not the case).
The characteristics A and B of the present invention can flatten the on-axis sound pressure
characteristics as desired, and the directivity is also greatly altered compared to the prior art. A
'is a 300 direction sound pressure characteristic of the speaker of the present invention, B is an
on-axis 00 sound pressure characteristic of the conventional example, and B' is a 300 direction
sound IF1 of the conventional example.
As described above, when combining the tm speaker unit and the horn as described above, a
plurality of lids are used in the mouth electrostatic lid horn speaker to make the most of the thin
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features of the electrostatic type Sbi-Kaet, The speaker units are arranged in close proximity to
the angle of 4 It 1, and each speaker unit has a horns fight--even one-even one! According to the
present invention, according to the present invention, it is possible to obtain the following effects:
1h4v??cTo 0, ? ? ? ? ? 1 speaker unit number, and those O arrangements The angle is
changed by C and J! ! Even if it increases 41 degrees, the on-axis tube pressure characteristics
and directivity characteristics can be adjusted even if it increases 41 degrees or more. The
number of speaker units and the arrangement angle are uniformly selected to stretch ho / in a
ring shape. The circle-shaped multi-cellar NСssbeka gets hot
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