Title:
SPEAKER AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/246212
Kind Code:
A1
Abstract:
An embodiment of the present technology relates to a speaker comprising a diaphragm. The diaphragm includes an upper-layer member and a reinforcing member. The upper-layer member has a first surface and a second surface on a side opposite the first surface. A plurality of drive points as a reference for transmission of vibrations are set at predetermined positions on the second surface. The reinforcing member includes a plurality of first reinforcing portions configured in the vicinity of each of the plurality of drive points, and one or more second reinforcing portions which, in a state of being spaced apart from the second surface, are configured to connect the plurality of first reinforcing portions. The reinforcing member is connected to the second surface of the upper-layer member.
Inventors:
SHINMEN NAOKI (JP)
NOMOTO KOYA (JP)
KAMATA MASAKI (JP)
NAKATA AKIHIRO (JP)
NOMOTO KOYA (JP)
KAMATA MASAKI (JP)
NAKATA AKIHIRO (JP)
Application Number:
PCT/JP2021/019512
Publication Date:
December 09, 2021
Filing Date:
May 24, 2021
Export Citation:
Assignee:
SONY GROUP CORP (JP)
International Classes:
H04R1/02; H04R7/06; H04R7/26
Foreign References:
| JP2001119790A | 2001-04-27 |
Attorney, Agent or Firm:
OMORI, Junichi (JP)
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