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JPS619351

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DESCRIPTION JPS619351
[0001]
Brief description of the drawings
[0002]
Fig. 1 is a side view of the present invention applied to a hatchback type automobile, Fig. 2 and
Fig. 3 are a side view and two views of an embodiment of the present invention applied to a
sedan type automobile, and Fig. 4 is Fig. 4 1 is an enlarged view of the main part of FIG. 1, FIG. 5
is an equivalent view thereof, FIG. 6 is an explanatory view of sound wave interference, FIG. 7 is a
circuit diagram of a correction amplifier, and FIG. FIG. 9 is a circuit diagram “′ ′ ′ of the
correction amplifier. DESCRIPTION OF SYMBOLS 2 ... horn driver, 3 ... horn, 4 ... ho ヅ speaker, 5
... speaker, 7 ... delay circuit, 8 ... amplification circuit, 9 ... phase inversion circuit, 10 ...・ Adder,
11 ・ ・ ・ Level adjuster, 12 ・ ・ ・ Sound receiving point.
02-05-2019
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