Electronic device

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United States of America Patent

PATENT NO 9116224
APP PUB NO 20140192616A1
SERIAL NO

14238938

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Provided is an electronic device including a modulation unit (22) that modulates a sound signal to a modulation wave for a parametric speaker; an oscillator (12) to which the modulation wave is input; an equalizer (26) that corrects a frequency characteristic of a sound wave that is demodulated by the modulation wave; and a control unit (20) that selects a carrier frequency of the modulation wave and changes setting of the equalizer (26) on the basis of the selected carrier frequency. Thus, it is possible to provide the electronic device capable of correcting the frequency characteristic of the sound wave that is demodulated, for each carrier frequency of the modulation wave.

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Patent Owner(s)

Patent OwnerAddress
NEC CORPORATION108-8001 TOKYO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kishinami, Yuichiro Kanagawa, JP 29 118
Komoda, Motoyoshi Kanagawa, JP 47 310
Kuroda, Jun Kanagawa, JP 63 343
Murata, Yukio Kanagawa, JP 78 697
Onishi, Yasuharu Kanagawa, JP 55 394
Satou, Shigeo Kanagawa, JP 27 132

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