Title:
SOUND EMITTER AND ELECTRONIC APPARATUS EMPLOYING SAME
Document Type and Number:
WIPO Patent Application WO/2014/103454
Kind Code:
A1
Abstract:
[Problem] To provide a sound emitter and an electronic apparatus employing same, whereby it is possible to emit a sound having a high sound pressure in a wide frequency region. [Solution] Provided are a sound emitter and an electronic apparatus employing same, said sound emitter comprising: an oscillation body (3); an exciter (1) which is attached to the oscillation body (3), and which causes the oscillation body (3) to bend oscillate in the thickness direction of the oscillation body (3), by the exciter (1) oscillating; an enclosure (21) which is bonded to the oscillation body (3) and which forms an enclosing first space (22) together with the oscillation body (3); and a duct (23) which connects the first space (22) with an external space. The gap between the oscillation body (3) and the surface of the enclosure (21) that faces the oscillation body (3) is smaller than one-half the length of the wavelength of the lowest-frequency resonance in the bend oscillation of the oscillation body (3).
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Inventors:
KUSHIMA NORIYUKI (JP)
FUKUOKA SHUICHI (JP)
HIRAYAMA TAKESHI (JP)
AKIEDA SANEAKI (JP)
ISHIHARA ATSUSHI (JP)
MIYAZATO KENTAROU (JP)
FUKUOKA SHUICHI (JP)
HIRAYAMA TAKESHI (JP)
AKIEDA SANEAKI (JP)
ISHIHARA ATSUSHI (JP)
MIYAZATO KENTAROU (JP)
Application Number:
PCT/JP2013/076356
Publication Date:
July 03, 2014
Filing Date:
September 27, 2013
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
H04R1/02; H04R7/04; H04R17/00
Foreign References:
| JPH06138882A | 1994-05-20 | |||
| JPH04289897A | 1992-10-14 | |||
| JPS58196797A | 1983-11-16 | |||
| JPH11205880A | 1999-07-30 |
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