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JPS6055187

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DESCRIPTION JPS6055187
[0001]
Brief description of the drawings
[0002]
1 is a block diagram of a conventional speaker device, FIG. 2 is a characteristic diagram for
explaining the operation of FIG. 1, FIG. 3 is a block diagram of a speaker device of the present
invention, and FIG. Fig. 5 is a partial view showing how to attach the temperature sensor to the
speaker, Fig. 6 is a characteristic diagram of V, C, R, (voltage control resistor), and Fig. 7 is Fig. 4
FIG. 8 is a diagram comparing and showing harmonic distortion of the conventional speaker
device and the speaker device of the present invention. 1 ... input terminal, 2 ... low pass boost
circuit, 3 ... subtractor, 4 ... power amplifier, 5 ... differential amplifier, 6 ° 6 '... speaker,? , 8.9 ...
impedance element, 13. 13a, 13'b ... temperature sensor, 14 ... control circuit.
07-05-2019
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