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US 12,660,505 B2Granted
Piezoelectric coil and electronic apparatus
AssigneeSony Group Corporation
InventorsShuta Kitade, Toru Udaka, Yuichi Ishida, Nobuyuki Nagai, Miki Endo
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Abstract
[Object] To provide a technology such as a piezoelectric coil having higher energy conversion efficiency. [Solving Means] A piezoelectric coil according to the present technology includes a coil-like core material and a plurality of band-like piezoelectric materials. The plurality of piezoelectric materials is helically wound around the core material so as to be alternately arranged along the core material.
Claims22
A piezoelectric coil, comprising:
- a coil-like core material;
- and
- a plurality of band-like piezoelectric materials
- that is helically wound around the core material so as to be alternately arranged along the core material,
- wherein a number of piezoelectric materials ranges from 2 to 10, and
- wherein an occupancy rate of the piezoelectric material to a surface of the core material is 30% or more.
3 more elements
Dependencies are inferred from the claim text.