Pressure adjustor and method of manufacturing the same, speaker device using the pressure adjustor, electronic device, and vehicle

摘要

A pressure adjustor includes a sheet-like supporter formed of unwoven fabric or woven fabric, a plurality of activated carbon powder particles attached to the supporter, and binders binding the plurality of activated carbon powder particles to each other. If this pressure adjustor is disposed inside a cabinet of a speaker device including a speaker unit provided in the cabinet, a speaker device is obtained which has an excellent bass reproduction effect even if the device is made small.

主权项

1. A pressure adjustor comprising:
a sheet-like supporter made of unwoven fabric or woven fabric; a plurality of activated carbon powder particles impregnating an inside of the supporter; and binders binding the plurality of activated carbon powder particles to each other, wherein the plurality of activated carbon powder particles has pores having a radius of 1 nm or less, and wherein the volume of the pores in the activated carbon powder particles per unit weight of the activated carbon powder particles is 0.6 ml/g or more.