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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view, FIG. 2 is a side view, FIG. 3 is a
cross-sectional side view of FIG. The figure is a perspective view of the acoustic lens 11. 8
иииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии Acoustic lens, 12 ииииииии Blade.
[Detailed description of the invention] The present invention relates to the improvement of the
speaker used for the car audio equipment, in the relation of the ? ? t ? ? L ? ? ? ? ? ?
? ? ? ? ? ? ? ? ? ? ?In particular, there was a defect that the high-pass directivity was
poor. The present invention has been made in view of the point of soft soil. The above problem is
solved by rotatably mounting an acoustic lens on a tweeter. In the embodiment of the present
invention will be described with reference to FIGS. 1 to 4. (1) is the ? ? ? ? ? bar of the
speaker, which is provided with a mounting portion +2) и и и for mounting on a vehicle or the like
3 guy 2 z be? ??? (3) is a plate, and a magnetic body (4) is attached to the plate (3). (5) is a
frame attached to the plate (3). The diaphragm (6) and an elastic body (7) for vibrating the
diaphragm (6) are attached to the frame (5), and the tip portion thereof Said cover (1) is attached.
Then, a wafer having the first speaker 7) is formed by the magnetic body (4), the frame (5), the
diaphragm (6), the elastic body (7) and the like on the plate (3). (8) is a mounting plate for a
tweeter mounted on the frame (5), and the mounting plate (a tweeter (9) constituting a second
slide ?- is mounted substantially at the center of the collar The end of the tweeter (9,) is
provided with a circular mesh + * 4 for mounting an acoustic lens ?21 described later. The
acoustic lens plate is made of acid-containing resin or the like, and vL of vanes (6) are provided
on one surface so as to be inclined. The vanes (6) provide high directivity. The other side is
provided with a cylindrical mounting portion, and the inner diameter of the mounting portion is
approximately the same as the tat diameter of the tweeter (9), and the inner diameter at the
mounting portion gL A number of elastic coupling ribs ? ? и и и are provided, and the stalling
accident ? и и и и и said P3 tweeter (engagement groove of 91 (engage with IO, acoustic lens
Although ? is rotatably attached to the tweeter (9), the attachment part (b) of the acoustic lens
a1) is firstly attached to the tip of the tweeter (9). When positioned and pressed, the tip is
inserted into the inside diameter of the mounting part. ? ? ? ? ? ? is elastic r: bent in the
direction of the circle. Then, when the pressing is further continued, the stationary projection ?
? и и и engages with the engaging groove a of the tweeter (9), and the mounting is completed.
Then, the above-mentioned varnish beaker is attached to a vehicle or the like, f: Abrasion, and by
rotating the acoustic lens ?, 4Lr: 4 ? directivity can be obtained on the vehicle.
A) Since the present invention rotatably mounts an acoustic lens X: C111 with a plurality of
feathers on a week of soft soil, the speaker can be placed at any position on the vehicle etc. in
any direction. Mounting on the rear; it is possible to adjust the high-pass directivity by rotating
the acoustic lens mill later, the attachment can be freely in position, and the attachment easily
reduces the high-pass directivity depending on the position as in the conventional case. There is
an effect such as prevention by monkey. 4, simple aI9 of rA side! Each P4 drawing is an
embodiment of the present invention, FIG. 1 is a front view, FIG. 2 is a side view, FIG. 3 is a
sectional view taken along line A-A of FIG. 1, and FIG. It is a perspective view of a step. (8)
Mounting plate 1 \ (91 tweeter ? or acoustic lens (2) blade practical model climbing shaft
person Albein Co., Ltd. "(? Bili representative Kata Katabata part ? --- Fig. 2A-812?285486
,,,,,,,,, [6] "two cliffs acceptable"; two F E, j "" 1 "", Alpine? 11 st 1 type company, inferior
representative hole 1 ? '1 country thick n [-n Figure 2 Figure 3 4 3 4' 3 104 Figure 4 Figure 12
4 45 2 3 4 5 6 5 6 15? ░ 1? ? ? ? ?
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