The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 2025
Filed:
May. 04, 2022
Hamamatsu Photonics K.k., Hamamatsu, JP;
Daiki Suzuki, Hamamatsu, JP;
Takuma Osaki, Hamamatsu, JP;
Makoto Nozaki, Hamamatsu, JP;
Kota Sugizaki, Hamamatsu, JP;
HAMAMATSU PHOTONICS K.K., Hamamatsu, JP;
Abstract
An actuator device includes a wiring substrate; a metal substrate; a first electrode unit provided to the metal substrate; a piezoelectric drive body disposed on the first electrode unit; a second electrode unit disposed on a first main surface of the piezoelectric drive body; a piezoelectric detection body disposed on the second electrode unit; a third electrode unit disposed on a third main surface of the piezoelectric detection body; a connection unit; an input unit; and an output unit. The connection unit is configured to be electrically connected to a reference potential on an outside such that a potential of the second electrode unit becomes the reference potential. The input unit is configured to input a drive signal to the first electrode unit from the outside. The output unit is configured to output an output signal generated in the piezoelectric detection body, to the outside from the third electrode unit.