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JPS5813793

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DESCRIPTION JPS5813793
[0001]
Brief description of the drawings
[0002]
1 is a front view showing an embodiment of the variable directivity type speaker according to the
present invention, FIG. 2 is a rear view in a state where a back plate is opened, FIG. 3 is a
sectional view, and FIG. 4 is a horizontal sectional view. is there. 1 ...... case, IA ...... housing recess,
IC ...... arcuate mounting surface, 2 ...... speaker holder, 2B ...... circle Arc-shaped sliding piece, 3 ··· ·
· · · · · · · · · · · · · · · · Spring material.
03-05-2019
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