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JPS5734776

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complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
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DESCRIPTION JPS5734776
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory view of the present invention. 1
is a honeycomb diaphragm, 2 is an edge, and 3 is a reinforcing plate.
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a structure in
which the peripheral portion of the flat diaphragm C is rigidly attached for attachment. The
present invention will be described with reference to the embodiment shown in the drawings.
The magnetic circuit shown in FIG. 1 is formed in the same manner as the conventional example,
with the frame 5 attached to the upper white of the plate 4 and the winding around the magnetic
gear knob. The center of the flat diaphragm l is attached to the upper end of the Heus coil 6 in
which parts are arranged, and it is made of a light material such as paper or aluminum. · The
peripheral part of the r-plane diaphragm l and the outer edge of the frame At the attachment
portion 3Z7 'of the speaker edge 2 and the diaphragm 1 which is attached to both ends of the
edge 2 having the arc-shaped cross section which protrudes outward or inward respectively and
is inserted in the vibration direction, When the skin material 7 on the surface of the diaphragm 1
is thin, the skin material 7 and the surface of the diaphragm 1 peel off due to vibration, resulting
in a defect. As shown in FIG. 1, this device is a lightweight metal foil or strong paper between the
skin 7 and the edge 2 bonded portion of the bonded portion between the edge 2 and the
diaphragm l, or Bonding by interposing a reinforcing plate 8 made of synthetic resin / together is
effective in reinforcing the edge 2 bonding portion of the diaphragm 1 and preventing the skin
material 7 from being peeled off by vibration I.
11-05-2019
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