DEVICE FOR RECOGNIZING OPEN/CLOSE OPERATION OF OPEN/CLOSE MEMBER AND METHOD FOR RECOGNIZING OPEN/CLOSE OPERATION OF OPEN/CLOSE MEMBER

WIPO Patent Application WO/2010/032446

A1

A sensor microphone (10) senses a sound pressure.  An amplifier circuit (20) amplifies the sensed signal.  A filter circuit (30) filters the signal amplified through the amplifier circuit (20).  Further, an A/D converter (40) converts an analog signal obtained after passing through the filter circuit (30) to a digital signal, by use of which a signal discriminator (100) determines the presence or absence of an open/close operation of an open/close member.  The determined result is outputted through an output controller (50) to the outside.  This makes it possible to accurately detect the open/close of a door or the like without installing a special sensor at the door or the like.

TAGUCHI, Masashiro (Inc. 700 banchi, Aoyagi-cho, Tatebayashi-cit, Gunma 35, 〒3740035, JP)
田口正城 (〒35 群馬県館林市青柳町７００番地ニャロ・コンピュータ株式会社内 Gunma, 〒3740035, JP)

JP2009/004628

March 25, 2010

September 16, 2009

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Transvirtual, Inc. (2-33-8, Nihonbashi-Ningyocho Chuo-k, Tokyo 13, 〒1030013, JP)
株式会社トランスバーチャル (〒13 東京都中央区日本橋人形町二丁目３３番８号 Tokyo, 〒1030013, JP)
TAGUCHI, Masashiro (Inc. 700 banchi, Aoyagi-cho, Tatebayashi-cit, Gunma 35, 〒3740035, JP)

G01H3/00; E05F7/00; G01V1/00; G08B13/16; G01H3/00; E05F7/00; G01V1/00; G08B13/16

SAHARA, Masashi et al. (SIGHT PATENT, 794 Suzuya 2-chome, Chuou-ku, Saitama-sh, Saitama 13, 〒3380013, JP)

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