US 12,262,176 B2
Transducer
Seiji Umezawa, Nagaokakyo (JP); Shinsuke Ikeuchi, Nagaokakyo (JP); Masayuki Suzuki, Nagaokakyo (JP); Matti Liukku, Nagaokakyo (JP); Ville-Pekka Rytkönen, Nagaokakyo (JP); Anssi Blomqvist, Nagaokakyo (JP); and Ville Kaajakari, Nagaokakyo (JP)
Assigned to MURATA MANUFACTURING CO., LTD., Kyoto (JP)
Filed by Murata Manufacturing Co., Ltd., Nagaokakyo (JP)
Filed on Feb. 15, 2023, as Appl. No. 18/109,900.
Application 18/109,900 is a continuation of application No. PCT/JP2021/028286, filed on Jul. 30, 2021.
Claims priority of application No. 2020-149663 (JP), filed on Sep. 7, 2020.
Prior Publication US 2023/0199405 A1, Jun. 22, 2023
Int. Cl. H04R 17/02 (2006.01)
CPC H04R 17/02 (2013.01) 21 Claims
OG exemplary drawing
 
1. A transducer comprising:
an annular base;
a first beam including a first fixed end connected to the base and a first tip located closer to a center of the base on a side opposite to the first fixed end, the first beam extending from the first fixed end towards the first tip;
a second beam adjacent to the first beam in a circumferential direction of the base, including a second fixed end connected to the base and a second tip located closer to a center of the base on a side opposite to the second fixed end, and extending from the second fixed end towards the second tip; and
a first connection portion connecting the first tip and the second tip to each other; wherein
the first connection portion is surrounded by a split slit connecting a center of the first tip, the center of the base, and a center of the second tip, the first tip, and the second tip.