Earphone device

Patent metadata

Field	Value
Publication number	US-9826300-B2
Application number	US-201514969466-A
Country	US
Kind code	B2
Filing date	Dec 15, 2015
Priority date	Jan 12, 2006
Publication date	Nov 21, 2017
Grant date	Nov 21, 2017

Abstract

An earphone device includes a housing having a driver unit, and a sound guide tube mounted on a front surface of the housing to protrude from the front surface, in which the sound guide tube is disposed at a position deviated from a center position of the housing.

First claim

The invention claimed is:

1. An earphone comprising:
a housing which houses a driver unit, wherein the housing includes a housing front portion and a housing rear portion, wherein the housing front portion includes a sound guide tube protruding from a front surface of the housing, and wherein the housing defines an opening positioned at the housing front portion;
a plate; and
a cushion member, wherein the cushion member is disposed between the plate and the housing front portion in a direction the sound guide tube is protruding from the front surface of the housing,
wherein the plate overlaps an entirety of the cushion member in the direction the sound guide is protruding from the front surface of the housing, and is spaced from the cushion member.

2. The earphone of claim 1 , wherein the plate is porous.

3. The earphone of claim 1 , wherein the plate is spaced from a diaphragm of the driver unit by a predetermined distance.

4. The earphone of claim 1 , wherein the cushion member is rubber-like.

5. The earphone of claim 1 , wherein the cushion member is larger than the opening.

6. The earphone of claim 1 , wherein the cushion member extends from the housing front portion.

7. The earphone of claim 1 , wherein the cushion member extends from the opening.

8. The earphone of claim 1 , wherein the cushion member with the housing front portion presses the driver unit.

9. The earphone of claim 1 , wherein the opening is positioned around a base of the sound guide tube.

10. The earphone of claim 1 , wherein the earphone generates a sound corresponding to a sound signal output by a music player.

11. The earphone of claim 1 further comprising:
a plurality of earpieces having different sizes, in which one of the earpieces is selectable in accordance with a size of a user's external auditory meatus.

12. The earphone of claim 11 , wherein the sizes of the earpieces include 12 mm.

13. The earphone of claim 11 , wherein the sizes of the earpieces include 10 mm.

14. The earphone of claim 11 , wherein the sizes of the earpieces include 14 mm.

15. The earphone of claim 1 , wherein a surface of the plate facing the opening extends over an entirety of the opening.

Assignees

• Sony Corp

Inventors

• Matsuo Tomohiro
• Ohta Takashi
• Nageno Koji
• Ito Tomohiro

Classifications

• H04R29/001

  for loudspeakers (H04R29/007 takes precedence) · CPC title

• H04R1/1016 Primary

  Earpieces of the intra-aural type · CPC title

• H04R1/10 Primary

  Earpieces; Attachments therefor {; Earphones; Monophonic headphones (H04R1/28 takes precedence; stereophonic headphones H04R5/033)} · CPC title

• H04R2499/11

  Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's · CPC title

• H04R1/1091

  Details not provided for in groups H04R1/1008 - H04R1/1083 · CPC title