US 9,883,280 B2 · Headphone and acoustic characteristic adjusting method

Abstract

[Object] To make it possible to improve an acoustic characteristic. [Solution] There is provided a headphone including a driver unit that includes a diaphragm, a housing that accommodates the driver unit, and forms a sealed-type front-face air chamber spatially blocked from an outside except for an opening for sound output on a front face side provided with the diaphragm of the driver unit, and an acoustic tube whose end is directly connected to a first ventilation hole provided in a frame of the driver unit, and that spatially connects a driver-unit rear-face air chamber formed between the frame and the diaphragm with the outside of the driver unit via a tube.

Claims19

Dependent claims

A headphone, comprising:

a driver unit that includes a frame and a diaphragm;
a first housing that accommodates the driver unit, and comprises a driver-unit front-face air chamber defined by the diaphragm of the driver unit and a driver-unit rear-face air chamber opposite to the driver-unit front-face air chamber,
wherein the driver-unit front-face air chamber is spatially blocked from an outside of the driver unit except for an opening for sound output on a front face side of the first housing;
and
an acoustic tube in the driver-unit rear-face air chamber, and including a first end and a second end, wherein the first end is directly connected to a first ventilation hole in the frame of the driver unit, and the acoustic tube spatially connects the driver-unit rear-face air chamber with the outside of the driver unit.

2 more elements

Dependencies are inferred from the claim text.

Headphone and acoustic characteristic adjusting method

Life of this patent

Headphone and acoustic characteristic adjusting method

Life of this patent

Abstract

Claims19