IP Library Granted Patent US 8,768,405
Granted Patent B2
US 8,768,405 · App. 13/724,929 · Granted Jul 1, 2014

Portable terminal with first and second sound emission portions

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Quick Facts
Patent No.
US 8,768,405
App. No.
13/724,929
Granted
Jul 1, 2014
Kind
B2
Abstract

A portable terminal comprising a housing which incorporates a receiving speaker, an earpiece portion which allows a user to listen to an output sound from the receiving speaker, a first sound emission portion and a second sound emission portion which guide the output sound from the receiving speaker to the earpiece portion, and a sound guide space which communicates the first sound emission portion and the second sound emission portion. The first sound emission portion is opposed to the receiving speaker. The second sound emission portion is formed in plane with and near to the first sound emission portion. The second sound emission portion is located at a center of the earpiece portion.

Claims (24)

1. A portable terminal comprising:

a housing which incorporates a speaker;

an earpiece portion which allows a user to listen to an output sound from said speaker;

a first sound emission portion and a second sound emission portion which guide the output sound from said speaker to said earpiece portion, said first sound emission portion being configured to emit an output sound from an output sound generating main surface of the speaker to an outside, and said second sound emission portion being configured to emit an output sound from a rear surface on a side opposite from the output sound generating main surface of the speaker and the output sound from the output sound generating main surface to the outside; and

a sound guide space which communicates said first sound emission portion and said second sound emission portion,

wherein said first sound emission portion opposes said speaker,

said second sound emission portion is formed in plane with and near to said first sound emission portion, said second sound emission portion being located at a center of said earpiece portion.

2. The portable terminal according to claim 1 , wherein said speaker is disposed at an off-center position of said earpiece portion.

3. The portable terminal according to claim 1 , further comprising a screen which covers said housing;

wherein said first sound emission portion comprises

a first through hole extending through said housing, and

a second through hole extending through said screen.

4. The portable terminal according to claim 3 , wherein said second sound emission portion comprises

a third through hole extending through said housing, and

a fourth through hole extending through said screen.

5. The portable terminal according to claim 3 , wherein said sound guide space is formed by covering a groove with said screen, said groove being formed in said housing to connect said first sound emission portion and said second sound emission portion, and

said second sound emission portion comprises

a groove structure which is formed on said housing and connected to said groove, and

a fourth through hole extending through said screen.

6. The portable terminal according to claim 1 , wherein at least one of said first sound emission portion and said second sound emission portion comprises a plurality of sound emission portions.

7. The portable terminal according to claim 1 , further comprising a camera unit incorporated in said housing,

wherein said earpiece portion opposes said speaker and said camera unit which are incorporated in said housing,

said camera unit is arranged at substantially a center of said earpiece portion, and

said second sound emission portion opposes said camera unit.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 11, 2014
From: NEC CORPORATION
To: LENOVO INNOVATIONS LIMITED (HONG KONG)
Reel/Frame 033720/0767 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 21, 2012
From: FUKAZAWA, KENJI; YOSHIDA, HIROSHI
To: NEC CORPORATION
Reel/Frame 029520/0944 →