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JPS5866786

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DESCRIPTION JPS5866786
[0001]
Brief description of the drawings
[0002]
FIG. 1 is a perspective view showing a conventional speaker system, FIG. 2 is a perspective view
showing another conventional example, and FIGS. 3 to 8 show an embodiment of a variable
directivity speaker system according to the present invention. 3 is a perspective view, FIG. 4 is a
partially cutaway perspective view showing the main part, FIG. 5 is a perspective view showing a
state where the second skater case is set to a required angle, and FIG. FIG. 7 is a plan view
showing an example in which two directivity variable speaker systems are installed in a car, and
FIG. 8 is a pan-type car. It is a perspective view which shows the example equipped with the rear
side board of a. 5: 1st speaker case, 6: 2nd speaker case, 7: middle case, 8: 1st rotation axis, 11
and 19: Koru spring, 12: 1st gear cam, 13: Stobbar member, 14: 2nd Dynamic shaft, 15: Second
gear cam, 16: Third gear cam, 21: Automobile, Ml: Standing setting mechanism, M2: Angle
setting mechanism, SPl: Woher, SP2: Tweeter, SP, Skoeka, U, TJl, u2: Variable directivity%
formula% Fig. 1 Fig. 4 Fig. 8
10-05-2019
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