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Patent Searching and Data


Title:
HEADPHONE AND ACOUSTIC CHARACTERISTIC ADJUSTMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2015/076006
Kind Code:
A1
Abstract:
[Problem] To allow greater improvement in audio characteristics. [Solution] Provided is a headphone comprising: a driver unit having a diaphragm; a housing which houses the driver unit, forms an airtight forward air chamber to the front of the driver unit, which is where the diaphragm is disposed, and forms a rear air chamber to the rear of the driver unit, which is on the opposite side from the front side, said forward chamber being spatially isolated from the outside with the exception of an aperture part for sound output, and said rear air chamber having a prescribed capacitance; and an acoustic tube which is disposed in a partial region of a partition of the housing forming the rear air chamber, and which spatially connects the rear air chamber to the exterior of the housing via a tube.

Inventors:
KUWAHARA EIJI (JP)
SUZUKI TAKAHIRO (JP)
Application Number:
PCT/JP2014/074582
Publication Date:
May 28, 2015
Filing Date:
September 17, 2014
Export Citation:
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Assignee:
SONY CORP (JP)
International Classes:
H04R1/02; H04R1/10; H04R1/28; H04R9/02
Foreign References:
JP2003179990A2003-06-27
JPH08172691A1996-07-02
JPS59177287U1984-11-27
JPS62141293U1987-09-05
JPH03184499A1991-08-12
Other References:
See also references of EP 3073758A4
None
Attorney, Agent or Firm:
KAMEYA, Yoshiaki et al. (JP)
Yoshiaki Kameya (JP)
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