US 11,789,489 B2
Vibration system, speaker apparatus and video displaying apparatus
Haruka Sakai, Tokyo (JP); Takahisa Tagami, Kanagawa (JP); Emiko Ikeda, Tokyo (JP); and Naoya Kunikata, Tokyo (JP)
Assigned to SONY CORPORATION, Tokyo (JP)
Appl. No. 16/760,231
Filed by SONY CORPORATION, Tokyo (JP)
PCT Filed Oct. 22, 2018, PCT No. PCT/JP2018/039133
§ 371(c)(1), (2) Date Apr. 29, 2020,
PCT Pub. No. WO2019/111558, PCT Pub. Date Jun. 13, 2019.
Claims priority of application No. 2017-234849 (JP), filed on Dec. 7, 2017.
Prior Publication US 2020/0356138 A1, Nov. 12, 2020
Int. Cl. H04R 7/12 (2006.01); G06F 1/16 (2006.01); G06F 3/16 (2006.01); G10K 9/13 (2006.01); H04R 1/10 (2006.01); H04R 7/20 (2006.01)
CPC G06F 1/1605 (2013.01) [G06F 3/16 (2013.01); G10K 9/13 (2013.01); H04R 1/10 (2013.01); H04R 7/12 (2013.01); H04R 7/20 (2013.01); H04R 2440/07 (2013.01); H04R 2460/13 (2013.01); H04R 2499/15 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A vibration system, comprising:
a vibration plate and an edge portion around the vibration plate, wherein
the vibration plate has a first region and a second region,
a shape of the first region is asymmetrical with a shape of the second region,
a curvature of a first curve that configures an outer edge of the first region is different from a curvature that configures an outer edge of the second region,
the outer edge of the first region is opposite to the outer edge of the second region with respect to a division line,
the vibration plate is configured such that a weight difference between the first region and the second region is equal to or smaller than a threshold value, and
a stiffness at the edge portion is substantially uniform.