ELECTROACOUSTIC TRANSDUCER - PANASONIC IP MAN CORP

Title:

ELECTROACOUSTIC TRANSDUCER

Document Type and Number:

Japanese Patent JP2023019839

Kind Code:

A

Abstract:

To provide an electroacoustic transducer capable of improving reproducibility between acoustic and electrical signals.SOLUTION: An electroacoustic transducer 100 includes: a diaphragm 110; a cylindrical first sliding member 181 arranged to surround a periphery of the diaphragm 110; an annular second sliding member 182 attached to an outer peripheral edge of the diaphragm 110 to slide on an inner peripheral surface of the first sliding member 181; and a first low friction film 170 interposed between the inner peripheral surface of the first sliding member 181 and an outer peripheral surface of the second sliding member 182. The first low-friction film 170 includes: a swollen body in which the second polymer chain is multiple-branched as a side chain from the first polymer chain; and grease that infiltrates between the second polymer chains.SELECTED DRAWING: Figure 1

More Like This:

JP5627799

Sound generators, sound generators and electronic devices

Inventors:

HIRAOKA HIDETOSHI

Application Number:

JP2021124875A

Publication Date:

February 09, 2023

Filing Date:

July 30, 2021

Export Citation: