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Patent Searching and Data


Title:
VIBRATION SYSTEM, SPEAKER DEVICE, AND VIDEO DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/111558
Kind Code:
A1
Abstract:
This vibration system has: a diaphragm; and an edge that is disposed around the diaphragm. The vibration system is configured such that the diaphragm has a first region and a second region which have shapes asymmetrical to each other, that a weight difference between the first region and the second region is less than a threshold value, and that the stiffness at the edge is substantially uniform.

Inventors:
SAKAI, Haruka (Osaki Shinagawa-k, Tokyo 10, 〒1418610, JP)
TAGAMI, Takahisa (Osaki Shinagawa-k, Tokyo 10, 〒1418610, JP)
IKEDA, Emiko (Osaki Shinagawa-k, Tokyo 10, 〒1418610, JP)
KUNIKATA, Naoya (Osaki Shinagawa-k, Tokyo 10, 〒1418610, JP)
Application Number:
JP2018/039133
Publication Date:
June 13, 2019
Filing Date:
October 22, 2018
Export Citation:
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Assignee:
SONY CORPORATION (1-7-1, Konan Minato-k, Tokyo 75, 〒1080075, JP)
International Classes:
H04R7/20; H04R1/02; H04R7/12; H04R9/04
Foreign References:
JP2010252034A2010-11-04
JPS58107799A1983-06-27
Attorney, Agent or Firm:
SUGIURA, Masatomo et al. (402 Kadora Building, 1-1-11 Minami Ikebukuro, Toshima-k, Tokyo 22, 〒1710022, JP)
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