Back to results
US 9,179,212 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.
Claims15
An earphone comprising:
- a housing which houses a driver unit, wherein the housing includes a housing front portion and a housing rear portion;
- a sound guide tube mounted on the housing front portion to protrude from a front surface of the housing;
- a cushion member residing between the driver unit and the housing front portion;
- an earpiece provided around an outer periphery of the sound guide tube, wherein the driver unit is located in a cavum conchae of a user when the user is wearing the earphone;
- and
- a cord retainer configured to retain a cord, wherein
- the cord retainer includes at least a part of a circular cross-section,
- a rear portion of the cord retainer is located outside of the cavum conchae of the user when the user is wearing the earphone, the rear portion of the cord retainer positioned behind the cord, and
- the cord retainer extends posterior to the driver unit in a straight line.
6 more elements
Dependencies are inferred from the claim text.