Earbud
AssigneePanasonic Intellectual Property Corporation of America
InventorToshiyuki Matsumura
Life of this patent
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Abstract
An earbud includes: a speaker unit which generates a sound wave; a first housing which houses the speaker unit, and has a first opening which faces a sound wave generation surface of the speaker unit; a sound conduit having one end connected to the first opening; an ear plug which is attached to the other end of the sound conduit, the ear plug being inserted into the ear canal; and an air conduit which is disposed so as to penetrate the ear plug and the first housing, the air conduit being disposed independently from the sound conduit.
Claims7
An earbud comprising:
- a speaker unit which generates a sound wave;
- an outermost, first housing which houses the speaker unit, and has a first opening which faces a sound wave generation surface of the speaker unit;
- a sound conduit having one end connected to the first opening;
- an ear plug which is attached to the other end of the sound conduit, the ear plug being inserted into an ear canal;
- and
- an air conduit which is disposed so as to penetrate the ear plug and the first housing, wherein opposite ends of the air conduit extend beyond the first housing.
An earbud comprising:
- a speaker unit which generates a sound wave;
- a first housing which houses the speaker unit, and has a first opening which faces a sound wave generation surface of the speaker unit;
- a second housing which has a second opening and a third opening and houses a control circuit for controlling driving of the speaker unit and a battery for supplying electric power for driving the speaker unit;
- a sound conduit having one end connected to the first opening;
- an ear plug which is attached to the other end of the sound conduit, the ear plug being inserted into the ear canal;
- and
- an air conduit having one end disposed in a space between the sound wave generation surface and the first opening in the first housing and the other end connected to the second opening, the air conduit being configured to penetrate the first housing.
An earbud comprising:
- a speaker which generates a sound wave;
- a first housing which houses the speaker, and has a first opening which faces a sound wave generation surface of the speaker;
- a sound conduit having one end connected to the first opening;
- an ear plug which is attached to the other end of the sound conduit, the ear plug being insertable into an ear canal;
- and
- an air conduit which is disposed so as to penetrate the ear plug and the first housing, wherein an entirety of the air conduit extends in a straight line.
Dependencies are inferred from the claim text.