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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front sectional view of a conventional smallsized sounding body, FIG. 2 is a plan sectional view of A-A 'of the apparatus of FIG. 1, and FIG.
FIG. 4 shows a cross-sectional view of the device of FIG. 3 taken along the line B-B '. 11.21 иии и и и и
и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и permanent magnet, 14, 24 и и и и и и и и diaphragm, 15, 25 и и
и? ? ? ? ? ? Case, 16.26.28 и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и gap. Fig. 4177-
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to the structure of a
small sounding body. The sound generator is obtained by vibrating the diaphragm by the
interaction between the small sounding body company electromagnet and the permanent
magnet. A conventional one will be described according to FIG. The magnetic cylinder 11 is
configured so that one normal cross section becomes a single letter, and an excitation wire ring
12 is provided around the central projection. Permanent magnet 1 at a position facing the central
projection of blind 11! A diaphragm 14 is provided, and the diaphragm 14 is held and fixed (1)
by the diaphragm 11 and the case 15. Bold-11. Permanent n stone 13. The diaphragm 14 forms
a magnetic 4IL + flow path, and the current flowing through the filament 12 forms an
electromagnet, which causes a magnetic change in the magnetic circuit. This makes the
electromagnet permanent (V stone 13? Suction and repulsion, vibrating plate 14t-vibrate to
generate sound. The sound 1 is obtained by resonating the group 1 of the vibration t514.
However, although a small sounding body of Sueto East uses a cavity in a nurse as a resonator,
the cavity 16 can not be used alone. However, the cavity 16 must be large enough to cause
sufficient resonance at Vt, but if it is warped, the shape of the small sound generator itself
becomes large. It is also considered to use the t ▒ 9 oscillation circuit while swallowing it, but
this also increases in size, and generates an order of t height. The purpose of the invention is to
make effective use of the space in the case to make it a resonator, and to make the shape of the
case hairy (thereby achieving it). 21. An obtrusive sounding body according to the present
invention will be described by way of its example shown in FIG. Line @ 22. Permanent magnet
25. A magnetic circuit is configured by the diaphragm 24 and t, The moving plate 24 is' wL
edged by the action of gemstones and 15's and colleagues. b Make the diameter of the first
edition 24 smaller than the inner diameter of the case, and case 25 and case 25! ?? Between
the work board 24 and 9 can be made. Therefore, in order to support the h moving plate 24, an Il
several cabinet power protrusion 27 is provided in the inside a of the case 25 so that the N side
of the h moving plate 24 fits in the mating groove. . Fixation of the movable plate 24 does not
necessarily have to be fitted, and other fixing methods may be used, but it is preferable to
combine them from the functional reliability-between the protrusions 27 of the multiple
depressions 27 There is an empty @ 29 in the cavity 29 and the cavity 26 and the cavity 28 are
communicated 4 by this empty 129. Looking at the small sounding body from the above 11
thoughts' 1.
Not only the cavity 26 but also the cavity 28 can be used for resonance. Small sounding body ((In
the case of 2 rounds of peripheral support motion plate movement speed 6 is 7 и и и и snow, и и и, (3)
(@ radius, thickness: 1: 1: Young The rate, :: dense valley, 01 oason ratio). ??? The number of
knee gauges q4 is approximately the same number of cycles b) The length of one f '' l [Km] 2?
N-(11); In addition, it is possible to obtain a loud sounding body of electrokinetics by making the
female frequency of the 1st route 1-l ? and @@ ? j b ? J ? ?) so that the volume of the cavity
is # 11! Take a good look at & 0! ? If it is said, a small sounding body with good sounding
efficiency can be obtained with a small one. It is necessary to die for 12 o'clock screaming-his 9
o'clock according to the demon craftsmanship, too, so low cost 4 is possible. 4, 1 'IIIIL 1' Figure 1
is a front sectional view of a latitudinal sounding body, Fig. 2 is a plan view of the plane A-m 'of
the apparatus of FIG. 1, FIG. FIG. 4 is a top plan view of B-3 'of the apparatus of FIG. 3; FIG. (4) 1t
21 иии 1-и и и и и и и и и и и и и и и и 1S, 2N и и и и permanent 2 stones, 14. 24 и и и и и и diaphragm, 15.25 и и
иииCase. ! 6.26.28 и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и cavity. Utility
model registration dispatch person Toko Co., Ltd. (Shun 1 (2) 14 Fig 2 ? C 3 Fig 4 Fig 4 "?
Liquor" и ??? ? 2 ? utility model bundling Jp people bunch ? ? ? ? ? ?, ((? 7 и
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