Title:
ELECTROACOUSTIC ACTUATOR
Document Type and Number:
Japanese Patent JP2022031060
Kind Code:
A
Abstract:
To achieve an electroacoustic actuator optimum for an earphone of high sound quality that is hardly fatigued even for long time listening and that used to be difficult for an earphone with only bone conduction (cartilage conduction), utilizing a piezoelectric element while using bone conduction.SOLUTION: An electroacoustic actuator is provided that is optimum for an earphone of high sound quality that is hardly fatigued even for long time listening and that used to be difficult for an earphone with only bone conduction (cartilage conduction) utilizing a piezoelectric element while using bone conduction, and can tune reproduced sound having high quality that hardly causes hearing loss into desired sound. The electroacoustic actuator is composed of an outline T-shaped cylindrical case, a vibration stay inserted into a T-shaped cross bar unit of the case, and a plate-shaped vibrator held by two vibration contact points integrally formed with the vibration stay. The vibrator is suspended from a vertical bar portion of the T-shaped cylinder of a cylindrical case, and a signal line for supplying an electric signal to the vibrator is connected to a free end.SELECTED DRAWING: Figure 1
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Inventors:
KOBAYASHI OKIHIRO
Application Number:
JP2020145042A
Publication Date:
February 18, 2022
Filing Date:
August 07, 2020
Export Citation:
Assignee:
KOBAYASHI OKIHIRO
International Classes:
H04R1/10; H04R1/00; H04R17/00
Domestic Patent References:
| JP6421360B2 | 2018-11-14 | |||
| JP2018064258A | 2018-04-19 | |||
| JP2014146949A | 2014-08-14 | |||
| JP2009088942A | 2009-04-23 |