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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view of a conventional flat
plate speaker, FIG. 2 is a cross-sectional view of an edge 1, and FIG. 3 is a partially enlarged
cross-sectional view of the flat plate speaker of the present invention. 1 is an edge, 2 is a
diaphragm, 3 is a frame, 4 is a flat portion, 5 is an upper end surface, 6 is a lower end surface,
and 7 is an inner side of a bent portion.
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to the pasting
structure of the flat end of the flat speaker, and the edge of the flat speaker is shown in FIG. 1 as
a center ball 8 and a McNevet 9, A magnetic circuit is constituted by the plate 10, the frame 3 is
attached to the 1-surface of the plate 10, a magnetic ball is formed by the center ball 8 and the
plate 10, and a magnetic gear. 23.3 ′ ′ 42, the one end of the voice coil 11 is attached to the
center of the lower surface of the flat diaphragm 2, and the periphery of the diaphragm 20 and
the frame 3 Both end faces of the edge 12 having an arc-shaped cross section which protrudes
outward or inward between the flat portion 4 of the outer edge and the outer edge 12 are
inserted and attached in the vibration direction. In this case, when the gap between the outer
periphery of the diaphragm 2 and the outer peripheral end of the frame 3 is small, the
assembling operation is very difficult. The present invention was devised to eliminate the 12
layout defects, and to explain the embodiment shown in the drawings, as shown in FIGS. 2 and 3,
the flat portion 4 of the outer edge of the frame 3 and the flat diaphragm 2 The F-direction end
face 5 of the edge 1 having an arc-shaped cross section which protrudes outward or inward
between it and the peripheral part of the sheet is attached to the peripheral part of the
diaphragm 2 by forming a sticking part. It is an edge of a flat speaker in which the lower end face
6 is bent at a right angle with respect to the arc-shaped portion and the inner side of the lower
end face 6 is attached to the inside 7 of the bent portion of the frame 3. The present invention
has a structure as described in 1-, so that it is easy to attach both end faces of the edge l, and
when forming the attachment part by making a step on the upper end face 53, the diaphragm 2
and the edge 1 Is a device to improve the assembly operation efficiency without
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