Title:
SPEAKER DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/219055
Kind Code:
A1
Abstract:
This speaker device (100) comprises: a speaker unit (110); and a casing (101) that forms an internal space (S10) in which the speaker unit (110) is accommodated. The casing (101) has a baffle plate (102) to which the speaker unit (110) is fixed in such an orientation that the diaphragm (111) of the speaker unit (110) is exposed. The baffle plate (102) has one or more through-holes (104) that cause an external space (S20), which is external to the casing (101), to communicate with the internal space (S10). Sounds released from the plurality of through-holes (104) have wavelengths the phases of which are opposite to those of the wavelengths of sounds directly released from the diaphragm (111) to the external space (S20).
Inventors:
NAKA MINAMI
SAIKI SHUJI
KAWAMURA AKIHISA
TAKAYAMA SATOSHI
SAIKI SHUJI
KAWAMURA AKIHISA
TAKAYAMA SATOSHI
Application Number:
PCT/JP2023/017259
Publication Date:
November 16, 2023
Filing Date:
May 08, 2023
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H04R1/34; G10K11/30; H04R1/02; H04R1/32
Foreign References:
| JP2007184821A | 2007-07-19 | |||
| JPH01254096A | 1989-10-11 | |||
| JP2007288712A | 2007-11-01 | |||
| JPH05344580A | 1993-12-24 | |||
| JPS51103930U | 1976-08-20 | |||
| JPS55155179U | 1980-11-08 |
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
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