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JPS4848629

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DESCRIPTION JPS4848629
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal sectional view showing the left
half of the cone-shaped speaker force according to the present invention, FIG. 2 is a longitudinal
sectional view showing the left half of the dome-shaped speaker according to the present
invention, Fig. 3 shows the frequency characteristics and harmonic distortion characteristics of
the conventional cone speaker, Fig. 4 shows the frequency characteristics and harmonic
distortion characteristics of the cone speaker of the present invention, and Fig. 5 shows the
frequency characteristics of the conventional dome speaker And FIG. 6 are frequency
characteristics and harmonic distortion characteristics of the dome-shaped speaker according to
the present invention. 6 ииииии Cone-shaped diaphragm, 7 ииииииииииииииииииии Dome shape diaphragm, 14
ииииииииииииииииииииии? Braking agent. Fig.1-65 real opening 48-48629 (2), Fig. 3 20 20-00 shoulder J soft
(/ {. ) 10000 20000 Fig. 20? 001000 1 и и ?'l,-(Hz) 10 tapping O20000-66 real opening 4848629 (3) 20? Perimeter soft (H2) 1000 100 0020 DO 0 67 1
DETAILED DESCRIPTION OF THE INVENTION According to the present invention, a speaker K11
having a low impact resilience damping agent comprising polyisobutylene or butyl rubber or a
mixture thereof is used on an edge or a mass moving plate or both of them. The purpose is to
change the sound quality of the speaker by E-K, which is the purpose of changing the sound
quality of the speaker. Materials such as Kri of the conventional speaker's edge or a photo-taking
plate etc. and cellulose-based, ac V # thread or 88R, @ etc. are used as a damping agent, but all
are incomplete as a damping agent and further on the diaphragm To improve the sound quality
by 1 cloth, it is #i Kakigaki (1) === Call; In the present invention, both a speaker end plate and a
#iS plate or plate are coated with a low resilience agent made of polyisobutylene or butyl rubber
or a mixture thereof. It is intended to improve the sound quality of the speaker, and the details
thereof will be described below. Figure 1 shows the left half of the cone-shaped speaker structure
according to the present invention: IFi yoke, 2Fi magnet, 5 is a housing, 4Fi voice coil, 5 is a
damper, 6Fi cone type diaphragm,? In this case, the cone m diaphragm 6 and the edge 7 are
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formed by breaking a damping agent 15 having low resilience and made of polyisobutylene or
butyl rubber or a mixture thereof. Fig. 1-2 shows the left half of the structure of the dome-shaped
speaker according to the present invention, wherein S is a yoke, 9 is a magnet, 10 is a top plate,
11 is a sound absorbing material, 12If voice coil, 15Fi. 5 am (2) 1-2-22! ',' O, ':' Moving plate, 14
is an edge, and these dome slide plate 15 and edge 14 have low repulsion resistance I, which is
the same as that described above with respect to the body platin or butyl rubber or their mixture
I! It is a cocoon made by depositing 415. 100 parts of butyl rubber, 50 parts of a carbon platter,
and 10 parts of an arm agent (oil) are mixed by a roll as an example of the above 11111 al + 111
used in the present invention, and made into one shape with a solvent. The figure in the chart is
the frequency characteristics and the harmonic distortion characteristics of the speaker when the
damping steel is not applied to the edge of the S-in-Poon type speaker. There is a harmonic
distortion in the vicinity of the valley 0 sharply and deeply. ????? ?I have many rough
spots.
IIfiFi 8 inch cone stationary speaker mounting section, Bodaisopeptylene or butyl rubber or
Momor ? apply a mixture of these materials with a low impact resilience damping steel. IIII
wave number% characteristics of the speaker of the 9 inventions (3) ? = ?It is -y and a
harmonic distortion characteristic figure, the valley near 500 Hz is lose | eliminated in-wave
number characteristic, laR wave distortion 4 decreases remarkably, the peak & valley on the
frequency l & characteristic ((xi) Kl. ????? In the vicinity), it is clear that the acoustic
characteristics are improved significantly more clearly than in FIG. Fig. 5 shows the frequency
characteristics p and harmonic distortion characteristics of the speaker when a cellulose-based
adhesive is applied on the diaphragm of the dome-shaped speaker cloth. Instead of the rubber
with low impact resilience consisting of polyisobutylene or butyl rubber or mixtures of these! The
wIA wave number characteristic and the harmonic distortion characteristic figure of the domeshaped speaker of this invention which were deposited on af are shown. What is the
characteristic of this 6 figure? Harmonic distortion is significantly reduced compared to the
characteristics shown in Fig. 5 and the frequency characteristics are as follows. ~ 15.000 HM) is
found to be excellent in acoustic characteristics with scrap. This is because, for example, butyl
rubber used in the present invention, as shown in the following table, has very low repulsion
resistance and high photographing relaxation value, so that its resonance point is corrected by
being attached to the photographing dynamic braking part Can reduce the amplitude of
resonance, which results in the reduction of unnecessary vibration. Therefore, when the damping
agent used in the present invention as described above is attached to the edge, for example,
natural rubber, urethane rubber, etc., which are conventionally used, are absorbed faster than
when the damping agent used in the present invention is applied. It is thought that the valley of
the medium sound becomes extremely small when it is applied on the vibro-spin plate, and
absorption of unnecessary vibration, abnormal peak, etc. on the vibration trap from K when it is
applied . Ц 48-48629-06 иии ? ? ? L, also Llo ? ? ? ? ? ? ? ? ? ? ? 1 ░ Hightemperature polymer 60-go +, 88R bass polymer 60-g O 188 B oil p 60-75 ? Li CR 5 o-go; 1
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'Butyllo ^ 20 to 501 l BR 7 o to 95. IRTo-9G '(Urethane 40-90' Ring: Silicon 50-851, as described
above, both the speaker edge or diaphragm i 9 are both (, polyisobutylene 4 L <butyl rubber or a
mixture thereof) 1w4 wave number dl! By depositing a low repulsion cutback that becomes
There is a% length that can make a good speaker.
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