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DESCRIPTION JPS5190942

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DESCRIPTION JPS5190942
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment of a dome-shaped speaker
frame according to the present invention, FIG. 1 is a sectional view showing a state of use, and
FIG. 2 is a sectional view showing another example of construction The figure is a frequency
characteristic diagram. E support portion 2... Dome shape diaphragm 3 .. sound absorption
material 4 E top plate 1 magnet 8 yoke 9 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · The front of the baffle plate. 1-99-Japanese Utility Model Application Laid-Open No. 51-90942 (2) Easy and 22: 1: 1 (I3) 1α1'l. 'B,
1α + figure,. <C> ,, 1α boiled = 100-
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a dome shaped
speaker frame. The frame of the conventional dome-shaped speaker is almost flat so as to be
substantially flush with the baffle plate of the cabinet, and conversely, the top of the movable
plate is positioned behind the front of the baffle plate There are also devices that have been
devised (actual opening + 1849-42927). However, the 1 ° -1 type xe-fs K ′ ′ ′ ′ ′ using
the conventional nine flat frame i described above has a frequency of 5000 Hz or more due to
the (frequency) (1) number characteristics. The present invention is a book which attempts to
improve the sound quality of the auditory sense by improving the T8 wave number time
characteristics of the conventional speaker described above, and an embodiment of the present
invention will be described with reference to the drawings. FIG. 1 is a plan view of the domeshaped speaker @, where 1 is a frame, 2 is a dome @ 畿 勅, 3 is a sound absorbing material, 4 is a
voice coil, 5 is a spacer, 6 is a top plate, 7i, t The magnet 8 is a yoke, and 9 is a baffle plate of the
cabinet. The speaker support portion 1b at the central portion of the book is made to project
forward from the part 1a which is the mounting portion to the frame 11-j baffle plate 9, so that
the dome-shaped support 2 is a guest. It is l so as to project forward from the front surface 9 a of
the upper upper baffle plate 9. The letter of the frame 1 itself is variously deformable in seconds,
and FIG. 2 is a cross-sectional view showing a modification thereof. 而 轢, like this 轢 composed
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in nine frames! (2) The brazed dome type speaker has a good directivity because the diaphragm
is positioned substantially in front of the @ 而 of the buckle plate, but of course the frequency
characteristics are remarkable even if it is measured on a measuring note. Improved. Fig. 3 is a
comparison diagram of frequency characteristics, and the same 91 except for the frame!
Although it is clearly understood from the characteristic diagram, one using the conventional flat
frame is used. It can be seen that the tendency of sluggish seconds is remarkably quickened,
particularly at a level of 5000 north of z (at a level north of z). Moreover, it turned out that the
dome-shaped speaker using the frame of the present invention is excellent in the sound quality.
Therefore, the dome-shaped speaker frame of the present invention (therefore, the frequency
characteristics of the dome-shaped speaker using the same can be significantly improved, and
there is a merit that the same as the sound I can be achieved.
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