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US 12,636,974 B2Granted
Piezoelectric sensor and seat
AssigneeToyota Boshoku Kabushiki Kaisha
InventorsWataru Hayashi, Nobuhiro Moriyama, Tomoyuki Ogawa
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Abstract
A piezoelectric sensor includes: a piezoelectric element which is long and which includes a first electrode, a second electrode, and a piezoelectric body interposed between the first and second electrodes; and a laminate film which is long and which surrounds the piezoelectric element. The laminate film includes a wide portion whose length along a shorter side direction of the laminate film is not less than twice a length of the piezoelectric element which length is along a shorter side direction of the piezoelectric element.
Claims7
A piezoelectric sensor comprising:
- a piezoelectric element extending in a longitudinal direction, the piezoelectric element including a first electrode, a second electrode, and a piezoelectric body interposed between the first electrode and the second electrode;
- and
- a film extending in the longitudinal direction, and surrounding the piezoelectric element,
- the film including a wide portion having a length in a width direction, which is a direction perpendicular to a longitudinal direction of the film, the length of the wide portion being at least twice as large as a width of the piezoelectric element, the width being measured in a direction perpendicular to a longitudinal direction of the piezoelectric element.
1 more element
Dependencies are inferred from the claim text.