Back to results
US 11,700,480 B2Granted
Ultrasonic speaker
AssigneeHosiden Corporation
InventorsAkihiro Tanaka, Ryo Inoue
Life of this patent
Estimating the term…
Abstract
An ultrasonic speaker comprises a case that has an opened top surface and includes a plurality of protrusions protruding inward on an inner side surface of the case, a piezoelectric element fixed to a bottom surface in the case, and a substrate that is inserted in the case and placed on upper surfaces of the plurality of protrusions.
Claims3
An ultrasonic speaker comprising:
- a case that has an opened top surface and includes a plurality of protrusions protruding inward on an inner side surface of the case;
- a piezoelectric element fixed to a bottom surface in the case;
- an upper stage of the inner side surface of the case and a lower stage of the inner side surface of the case;
- and
- a substrate that is inserted in the case and placed on upper surfaces of a first set of the plurality of protrusions on the lower stage of the inner side surface of the case.
2 more elements
Dependencies are inferred from the claim text.