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Patent Searching and Data


Title:
ELECTRONIC DEVICE AND ELECTRO-ACOUSTIC TRANSDUCER
Document Type and Number:
WIPO Patent Application WO/2022/019033
Kind Code:
A1
Abstract:
[Problem] To provide: an electronic device capable of suppressing noise; and an electro-acoustic transducer. [Solution] The present disclosure provides an electronic device comprising: a switching element that applies voltage based on a DC power supply to one end of an electro-acoustic transducer in response to a first pulse signal, and applies voltage based on the DC power supply to the other end of the electro-acoustic transducer in response to a second pulse signal; and a delay circuit that generates a delay based on a communication frequency in at least one of the first pulse signal and the second pulse signal.

Inventors:
NAKAHARA HIRONORI (JP)
MIYAZAKI DAISUKE (JP)
Application Number:
PCT/JP2021/023639
Publication Date:
January 27, 2022
Filing Date:
June 22, 2021
Export Citation:
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Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
H04R3/00; H03F1/26; H03F3/217; H04B1/04
Foreign References:
JP2013187861A2013-09-19
JP2008509575A2008-03-27
JP2005136452A2005-05-26
Attorney, Agent or Firm:
NAKAMURA Yukitaka et al. (JP)
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