STEREO HEADPHONE DEVICE

WIPO Patent Application WO/2012/153784

A1

Provided is a stereo headphone device capable of determining into which ear each of left and right headphone units is fitted. The stereo headphone device is either an inner-ear type in which the headphone unit is worn on an auricle of a user or a canal type in which the headphone unit is inserted into an external auditory canal of the user. The stereo headphone device comprises: two headphone units each of which has a built-in driver unit; a sensor provided in at least one of the two headphone units, the sensor being disposed at a position at which the auricle is detected if the headphone unit is fitted to the ear on a predetermined side and at which the auricle is not detected if the headphone unit is fitted to the ear on the other side; and a signal switching means that determines, on the basis of a detection signal from the sensor, to which driver unit each of left and right audio signals is to be output.

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MATSUMURA KOUHEI (JP)
SAKAMOTO DAISUKE (JP)
IGARASHI TAKEO (JP)

PCT/JP2012/061918

November 15, 2012

May 09, 2012

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JAPAN SCIENCE & TECH AGENCY (JP)
MATSUMURA KOUHEI (JP)
SAKAMOTO DAISUKE (JP)
IGARASHI TAKEO (JP)

H04R1/10

JP2007506334A	2007-03-15
JP2002135887A	2002-05-10
JP2009152666A	2009-07-09
JP2006024241A	2006-01-26
JPS62178690U	1987-11-13

KAWAGUCHI Yoshiyuki et al. (JP)
Yoshiyuki Kawaguchi (JP)

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