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JPS5366227

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DESCRIPTION JPS5366227
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side sectional view of a conventional
diaphragm and jig, and FIG. 2 is a side sectional view of a diaphragm for an electrodynamic
acoustic transducer according to an embodiment of the present invention. 5 иииииии Vibrating film,
5a ииииииииииииииииииииииииииииииии Voice coil.
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vibration
ambience for a dynamic 7E acoustic transducer, in which the center of the vibration 7 ambience
and the voice are the same when the outer circumference of the diaphragm and the center of the
inner circumference of the voice coil are the same The purpose is to make it possible to integrate
precisely with the center of the inner circumference of the coil. 1, FIG. 1 shows a cross-sectional
view of a conventional ophthalmologic membrane O for an electrodynamic acoustic transducer,
The outer circumference of the jig 2 is accommodated in a jig 2 which contains the vibrating
membrane 1 and has an outer circumference which is the same as the outer circumference of the
imaging film 1 in order to align the outer circumference of the crease 1 and the inner
circumference of the voice coil 4. In combination, and the jig 3 having the same inner
circumference 7.1 as the center of the inner circumference of the 2-6 voice coil 4 is combined,
and the voice coil 4 is attached. It was. Therefore, the accuracy and operability of the jig are poor,
and if distortion is applied to the voice coil 4, it is lost. The present invention is intended to
eliminate such a defect and at the same time eliminate the need for the operation of a jig, and an
embodiment of the present invention will be described with reference to FIG. 2 below. 5 is an
imaging film, 6a is a groove (including a step shape) having the same center as the outer
periphery of the imaging film 60 (consisting of co-moulded interproximal at the time of coloring)
6: voice coil The groove 6 a provided in the vibrating membrane 6 in this case is matched with
the inner circumference of the voice coil 6. By inserting the voice coil 6 into the groove 6a and
fixing it with an adhesive, a distortion is applied to the voice coil 6 and a jig is required, and the
outer circumference of the moving film 5 and the voice coil at t ' The same center of the inner
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circumference of 6 is easily obtained. As is apparent from the above embodiment, according to
the present invention, since the groove for inserting the voice coil is provided in the imaging film,
the voice coil is mounted with high accuracy and J without using a jig. 3 can be assembled easily,
and the work efficiency can be increased.
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