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JPS56160088

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DESCRIPTION JPS56160088
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view of a conventional
speaker, and FIG. 2 is a cross-sectional view of the speaker of the present invention. 1 is a
diaphragm, 2 is a honeycomb core 13 is a skin material, 4 is an edge, 5 is a voice coil, 7 is a
frame, and 10 is a plate.
[Detailed description of the invention] A wood plate i is a flat plate which prevents generation of
distortion sound in a working zone by sticking a flat plate diaphragm having a honeycomb core
sandwiched by a skin material on the upper end inner surface of a voice coil It relates to a
speaker. Conventionally, a magnetic circuit is configured by center hole 8, magnet 9, and two
rate 10, and frame 7 is fitted on the upper surface of plate 10. Center pole 8, plate 10 is not
shown in FIG. Form the magnetic gear knob, and place the winding part of the voice coil 5 at the
center of the magnetic gear knob, and the drum shape m! The upper end of the voice coil 5 is
attached to the inward edge of the plate 6 and the outer inner edge of the diaphragm 6 is
attached to the VV @ edge of the frame 7. In this case, there is a defect that distortion due to split
resonance or low frequency band comes out. The present invention has been devised to eliminate
the above-mentioned drawbacks. If the embodiment shown in the drawings is described, as
shown in FIG. The frame 7 is mounted on the upper surface of the play 10 or the winding portion
is disposed in the magnetic gear knob of the magnetic circuit. A disc-shaped honeycomb core 2
made of a lightweight material, and an outer cylindrical surface of a flat plate diaphragm 1 to
which a sheet, a sheet of aluminum, or the like is attached, is attached to both surfaces; It is a flat
speaker in which the edge 4 is stuck between the frame 7 and the inward edge. Since the speaker
according to the present invention has the above-mentioned structure, it is possible to easily
create a light-weight external-drive-type speaker. By selecting an appropriate material for the
honeycomb light material, it is possible to divide the same frequency. It is generated in the same
wave number band higher than the use band to prevent the occurrence of distortion in the use
band. The present invention also includes a method of extending and using the top skin 3 of the
11-05-2019
1
diaphragm 1 instead of the edge 40.
11-05-2019
2
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