WAKEFULNESS-MAINTAINING DEVICE AND WAKEFULNESS-MAINTAINING METHOD

WIPO Patent Application WO/2012/157156

A1

A wakefulness-maintaining device capable of maintaining a driver's wakefulness by making the driver aware of changes in sound characteristics. A wakefulness-maintaining device (100), which maintains a person's wakefulness, wherein: a switching time control part (102) analyzes the characteristics of perceived sounds acquired by a microphone provided inside the vehicle, the perceived sounds comprising control sounds played back by the wakefulness-maintaining device (100) and environmental sounds around the person when no control sounds are being played back; an in-car sound-accumulating part (103) accumulates the perceived sounds; an acoustic pressure change-setting part (105) sets the control method to be used on the environmental sounds on the basis of the characteristics of the perceived sounds accumulated by the in-car sound-accumulating part (103); and a control sound-generating part (106) applies the control method, set by the acoustic pressure change-setting part (105), on the environmental sounds and generates control sounds.

NAKAI WATARU
KUBOTANI HIROYUKI
TOI TAKESHI
SATOMI MASAYUKI

PCT/JP2012/001407

November 22, 2012

March 01, 2012

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PANASONIC CORP (JP)
UNIV CHUO (JP)
NAKAI WATARU
KUBOTANI HIROYUKI
TOI TAKESHI
SATOMI MASAYUKI

A61M21/00; B60R11/02; G08B21/06; G08G1/16; G10K15/00; H04R3/04

WO2006109390A1

2006-10-19

JP2004254750A	2004-09-16
JP2007260015A	2007-10-11

WASHIDA, KIMIHITO (JP)
Koichi Washida (JP)

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