Back to results
US 2022/0070575 A1Published application
Audio device
AssigneeTDK Corporation
InventorsYoshiki OHTA, Takuto HORII, Yoshikazu SHIMURA, Atsushi EZAWA, Miho BAMBA, Kaoru KIJIMA, Akihiro TAKEDA
Life of this patent
Estimating the term…
Abstract
An audio device includes a vibration member, and a first piezoelectric vibrator and a second piezoelectric vibrator that are provided on the vibration member. A natural frequency of the first piezoelectric vibrator is larger than a natural frequency of the second piezoelectric vibrator.
Claims20
An audio device comprising:
- a vibration member;
- and
- a first piezoelectric vibrator and a second piezoelectric vibrator provided on the vibration member, wherein
- a natural frequency of the first piezoelectric vibrator is larger than a natural frequency of the second piezoelectric vibrator.
1 more element
Dependencies are inferred from the claim text.