US 12,069,954 B2
Power generating element and apparatus including power generating element
Yuichiro Miyauchi, Kanagawa (JP); Masakazu Mori, Kanagawa (JP); and Noriyuki Chino, Kanagawa (JP)
Assigned to CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Nov. 24, 2021, as Appl. No. 17/535,338.
Application 17/535,338 is a continuation of application No. PCT/JP2020/020546, filed on May 25, 2020.
Claims priority of application No. 2019-103230 (JP), filed on May 31, 2019.
Prior Publication US 2022/0085272 A1, Mar. 17, 2022
Int. Cl. H10N 35/01 (2023.01); H02N 2/18 (2006.01); H10N 35/00 (2023.01)
CPC H10N 35/101 (2023.02) [H02N 2/186 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A power generating element comprising:
at least one magnetostrictive portion containing a magnetostrictive material;
at least one magnetic portion containing a magnetic material, part of a surface of the magnetic portion being fixed to the magnetostrictive portion;
a coil housing part of one of the magnetostrictive portion and the magnetic portion; and
a magnet portion including a magnet and fixed to the magnetostrictive portion,
wherein the magnetic portion is magnetically connected in parallel to the magnetostrictive portion and is fixed to the magnetostrictive portion so as to have an interval between the magnetostrictive portion and the magnetic portion, the interval being magnetically connected in series to the magnetic portion.