Title:
LOUDSPEAKER, LOUDSPEAKER SYSTEM, STEREO LOUDSPEAKER SYSTEM, AND ON-BOARD STEREO LOUDSPEAKER SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/130790
Kind Code:
A1
Abstract:
A loudspeaker (51) is provided with: a vibrating body (67) including an annular valley section (Qa) depressed backward; and a diffuser (9) which includes an annular or arcuate base section (9b) and which is positioned so that an end section (9c) on the vibrating body (67) side of the base section (9b) faces the valley section (Qa). At least one recess (E), farther away from the vibrating body (67) than the other portions, is provided in the end section (9c) on the vibrating body (67) side of the base section (9b).
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Inventors:
NEGISHI YUJI (JP)
INAGAKI KAZUYUKI (JP)
INAGAKI KAZUYUKI (JP)
Application Number:
PCT/JP2018/040083
Publication Date:
July 04, 2019
Filing Date:
October 29, 2018
Export Citation:
Assignee:
JVC KENWOOD CORP (JP)
International Classes:
H04R1/34; H04R1/02; H04R1/22; H04R1/32
Foreign References:
| JPS55102285U | 1980-07-16 | |||
| JPH04107995U | 1992-09-17 | |||
| JP2004343804A | 2004-12-02 | |||
| JP2011010056A | 2011-01-13 |
Other References:
See also references of EP 3734991A4
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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