US 10,889,221 B2
Sound pickup device
Shingo Takei, Saitama (JP); and Naoki Takada, Saitama (JP)
Assigned to CLARION CO., LTD., Saitama (JP)
Appl. No. 16/303,787
Filed by CLARION CO., LTD., Saitama (JP)
PCT Filed Jun. 23, 2017, PCT No. PCT/JP2017/023273
§ 371(c)(1), (2) Date Nov. 21, 2018,
PCT Pub. No. WO2018/003714, PCT Pub. Date Jan. 4, 2018.
Claims priority of application No. 2016-129209 (JP), filed on Jun. 29, 2016.
Prior Publication US 2020/0317102 A1, Oct. 8, 2020
Int. Cl. B60N 2/80 (2018.01); B60N 2/879 (2018.01); A47C 7/72 (2006.01); B60N 2/64 (2006.01); B60R 11/02 (2006.01); B60R 11/00 (2006.01)
CPC B60N 2/879 (2018.02) [A47C 7/727 (2018.08); B60N 2/64 (2013.01); B60R 11/0223 (2013.01); B60R 11/0247 (2013.01); B60R 2011/0017 (2013.01); B60R 2011/0043 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A sound pickup device, comprising:
a headrest which is provided with an opening on a seating surface side, and has a recess formed in the opening extending in a front-rear direction in a side view; and
two or more microphones,
wherein a first microphone and a second microphone are disposed in the recess of the headrest, and
each of the first microphone and the second microphone is a nondirectional microphone, and at least one of the first microphone and the second microphone is disposed in a wall portion, of the recess, extending forward to the opening from a rear wall portion which faces the opening so that distances to the first microphone and the second microphone from a portion, closest to the seating surface, of the opening of the headrest are different from each other.