US 12,247,330 B2
Cylindrical structure
Takafumi Inoue, Nagaokakyo (JP); Masayuki Tsuji, Nagaokakyo (JP); Eiji Taguchi, Nagaokakyo (JP); Hirokazu Hayashi, Osaka (JP); and Ryosuke Ebina, Osaka (JP)
Assigned to MURATA MANUFACTURING CO., LTD., Nagaokakyo (JP)
Filed by Murata Manufacturing Co., Ltd., Nagaokakyo (JP)
Filed on Apr. 8, 2022, as Appl. No. 17/716,032.
Application 17/716,032 is a continuation of application No. PCT/JP2020/043597, filed on Nov. 24, 2020.
Claims priority of application No. 2019-212117 (JP), filed on Nov. 25, 2019.
Prior Publication US 2022/0228300 A1, Jul. 21, 2022
Int. Cl. D03D 3/02 (2006.01); A61L 9/16 (2006.01); D03D 15/533 (2021.01); D04B 1/16 (2006.01); H10N 30/00 (2023.01); H10N 30/857 (2023.01)
CPC D03D 3/02 (2013.01) [A61L 9/16 (2013.01); D03D 15/533 (2021.01); D04B 1/16 (2013.01); H10N 30/702 (2024.05); H10N 30/857 (2023.02); A61L 2209/132 (2013.01); D10B 2401/16 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A cylindrical structure comprising:
a first cloth that includes a first piezoelectric thread that generates a first electric potential from input of external energy;
a second cloth that includes a second piezoelectric thread that generates a second electric potential from the input of the external energy; and
a connection portion connecting the first cloth and the second cloth,
wherein the first cloth and the second cloth form a side face of the cylindrical structure, and
wherein the first piezoelectric thread and the second piezoelectric thread generate opposite charges.