Earphone
First Claim
Patent Images
1. An earphone comprising:
- a trumpet unit being utilized to transmit sound wave outward;
a hollow shield further comprising an upper shield portion and a lower shield portion, wherein the lower shield portion is joined to the upper shield portion to receive the trumpet unit, and there is a sound chamber disposed in the lower shield portion facing the trumpet unit;
a guide sound tube with an opening extending outward the lower shield portion, inclining an acute angle denoted by θ
with respect to the trumpet unit, and communicating with the sound chamber;
an ear cushion being detachably joined to the guide sound tube with an inclination to the guide sound tube;
wherein, the ear cushion is plugged to an ear canal to admit the sound wave into the ear canal and block foreign noise, the shield is inserted in an ear nest next to the ear canal to locate and support the earphone, and the sound wave enters the ear canal straight along the ear cushion via the sound chamber and the guide sound tube.
1 Assignment
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Accused Products
Abstract
An earphone comprises a trumpet unit, a hollow shield, and a guide sound tube: the shield is hollow to receive the trumpet, has a sound chamber and an opening, and the opening inclines an acute angle from the trumpet unit; the guide sound tube is disposed at the opening with an end communicating with the sound chamber and another end extending to the opening. The earphone is capable of presenting the high and low pitches completely and providing a better sound quality by way of the acute angle between the opening and the trumpet unit.
2 Citations
7 Claims
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1. An earphone comprising:
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a trumpet unit being utilized to transmit sound wave outward; a hollow shield further comprising an upper shield portion and a lower shield portion, wherein the lower shield portion is joined to the upper shield portion to receive the trumpet unit, and there is a sound chamber disposed in the lower shield portion facing the trumpet unit; a guide sound tube with an opening extending outward the lower shield portion, inclining an acute angle denoted by θ
with respect to the trumpet unit, and communicating with the sound chamber;an ear cushion being detachably joined to the guide sound tube with an inclination to the guide sound tube; wherein, the ear cushion is plugged to an ear canal to admit the sound wave into the ear canal and block foreign noise, the shield is inserted in an ear nest next to the ear canal to locate and support the earphone, and the sound wave enters the ear canal straight along the ear cushion via the sound chamber and the guide sound tube. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification