Title:
HEADPHONE AND ACOUSTIC CHARACTERISTIC ADJUSTMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2015/022817
Kind Code:
A1
Abstract:
[Problem] To enable acoustic characteristics to be further improved. [Solution] The provided headphone is equipped with: a driver unit having a diaphragm; a housing that houses the driver unit and forms a sealed front air chamber to the front of the driver unit where the diaphragm is disposed, said front air chamber being spatially blocked off from the outside except at a sound output opening part; and an acoustic tube that directly connects to a first air hole at one end and spatially connects a rear air chamber of the driver unit to the outside of the driver unit via a tube, said first air hole being formed in a frame of the driver unit, and said rear air chamber being formed between the frame and the diaphragm.
Inventors:
OOSATO YUUSUKE (JP)
SUZUKI TAKAHIRO (JP)
SUZUKI TAKAHIRO (JP)
Application Number:
PCT/JP2014/067668
Publication Date:
February 19, 2015
Filing Date:
July 02, 2014
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
H04R1/10; H04R1/22; H04R11/02
Foreign References:
| JPS55165568U | 1980-11-28 | |||
| JP2011234102A | 2011-11-17 | |||
| JPH02133090U | 1990-11-05 | |||
| JPS6178492U | 1986-05-26 | |||
| JP2009219122A | 2009-09-24 | |||
| JP2007028375A | 2007-02-01 | |||
| JP2007189468A | 2007-07-26 | |||
| JPH04227396A | 1992-08-17 |
Other References:
See also references of EP 3035700A4
Attorney, Agent or Firm:
KAMEYA, Yoshiaki et al. (JP)
Yoshiaki Kameya (JP)
Yoshiaki Kameya (JP)
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