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US 9,961,428 B2Granted
Earphone device
AssigneeSony Corporation
InventorsTomohiro Matsuo, Takashi Ohta, Koji Nageno, Tomohiro Ito
Life of this patent
Estimating the term…
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.
Claims14
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 rear portion has at least one inner rear opening;
- a sound guide tube mounted on the housing front portion to protrude from a front surface of the housing;
- a rear cover located at a rear side of the housing rear portion, wherein the rear cover has a sloped peripheral portion contacting and extending from a peripheral portion of the rear side of the housing rear portion, in which the sloped peripheral portion of the rear cover extends from the peripheral portion of the rear side of the housing rear portion with increasing spacing from the front surface of the housing, wherein the rear cover has at least one outer rear opening at the sloped peripheral portion of the rear cover, and wherein an entirety of the at least one outer rear opening is exposed to an exterior of the earphone;
- a front space formed by a diaphragm of the driver unit and the housing front portion;
- and
- a rear space formed by a rear portion of the driver unit and the housing rear portion,
- wherein the rear space is communicated to the exterior of the earphone via the inner rear opening and the outer rear opening.
4 more elements
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 rear portion has at least one inner rear opening;
- a sound guide tube mounted on the housing front portion to protrude from a front surface of the housing;
- a rear cover located at a rear side of the housing rear portion, wherein the rear cover has a sloped peripheral portion and has at least one outer rear opening at the sloped peripheral portion of the rear cover, in which the sloped peripheral portion of the rear cover is in contact with a portion of the rear side of the housing rear portion and extends from the portion of the rear side of the housing rear portion with increasing spacing from the front surface of the housing, and wherein an entirety of the at least one outer rear opening is exposed to an exterior of the earphone;
- a front space formed by a diaphragm of the driver unit and the housing front portion;
- a rear space formed by a rear portion of the driver unit and the housing rear portion,
- wherein the rear space is communicated to the exterior of the earphone via the inner rear opening and the outer rear opening;
- and
- a cord knot of a cord located at an opposite side of the sound guide tube across the driver unit.
5 more elements
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 rear portion has at least one inner rear opening;
- a sound guide tube mounted on the housing front portion to protrude from a front surface of the housing;
- a rear cover located at a rear side of the housing rear portion, wherein the rear cover has a sloped peripheral portion and has at least one outer rear opening at the sloped peripheral portion of the rear cover, in which the sloped peripheral portion of the rear cover is in contact with a portion of the rear side of the housing rear portion and extends from the portion of the rear side of the housing rear portion with increasing spacing from the front surface of the housing, and wherein an entirety of the at least one outer rear opening is exposed to an exterior of the earphone;
- a front space formed by a diaphragm of the driver unit and the housing front portion;
- a rear space formed by a rear portion of the driver unit and the housing rear portion,
- wherein the rear space is communicated to the exterior of the earphone via the inner rear opening and the outer rear opening;
- a protection plate spaced from the diaphragm;
- and
- a cord knot of a cord located at an opposite side of the protection plate across the driver unit.
6 more elements
Dependencies are inferred from the claim text.