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JPS56147680

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DESCRIPTION JPS56147680
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing a structure of a conventional
honeycomb diaphragm for a speaker, FIG. 2 is a view showing a structure of a honeycomb
diaphragm for a speaker of the present invention, and FIG. It is a figure which shows an Example.
1 is a honeycomb structure, and 2a, 2b and 2c are skin materials.
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vicinal
diaphragm for a speaker, wherein skin materials are attached to both front and back sides of a
honeycomb structure. Conventional loudspeaker ... two cut, vibrations roots as shown in FIG. 1,
both sides in the skins of ... honeycomb structure (1) (2a), has a structure in which bonding the
(2b), Since the honeycomb structure (1) is a single layer, the rigidity is insufficient, and there is a
defect that the divided vibration occurs at a relatively low frequency. The present invention is an
improvement of such a conventional defect /% 77-f) 2. Referring to FIG. 2, the nonicam
structures (1) and (1) are separated by the skin material (2C) 2 In this structure, the skin
materials (2a) and (2b) are laminated on the front and back sides of the laminated honeycomb
structures (1) and (1) by laminating layers or layers. FIG. 3 shows another embodiment in which
skin materials (2a) and (2b) are adhered to both front and back sides of a honeycomb structure
(1)... In the skin materials (2C), ie, (2b) and (2a), which are interposed between the nick structure
(1) and (1), there are two layers. In the above structure, since the honeycomb structures (1) and
(1) are laminated in multiple layers via the skin material (2C), the rigidity is significantly
increased. In the embodiment of FIG. 3, in particular, the skin material (2C) The rigidity is further
increased, since Therefore, the divided vibration frequency is increased, and the piston vibration
region is expanded, so that flat frequency characteristics can be obtained over a wide frequency
region, and there is an advantage that good quality reproduced sound with less distortion can be
obtained. 2 'ma 3
11-05-2019
1
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