The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7103393 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 05, 2006

Filed:

Dec. 30, 2002
Applicant:

Seon-woong Hwang, Suwon-shi, KR;

Inventor:

Seon-Woong Hwang, Suwon-shi, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

A sound output system and method of a mobile communication terminal, which can output high-fidelity sound even with small-diameter speakers. The sound output system comprises a sound signal reproduction system for reproducing a sound signal to be output by the mobile communication terminal; a plurality of amplifiers, each of which is connected with the sound signal reproduction system and amplifies the sound signal input from the sound signal reproduction system; a plurality of speakers, each of which is connected with each of the amplifiers and outputs the sound signal amplified by each of the amplifiers; and a control section for controlling the sound signal reproduction system, the amplifiers, and the speakers, respectively, according to sound output modes.


Find Patent Forward Citations

Hwang, Seon-Woong. (2006). Sound output system and method of a mobile communication terminal (U.S. Patent No. 7103393). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7103393

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