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.:
Date of Patent:
Dec. 04, 2018
Filed:
Jan. 30, 2017
Applicant:
Acer Incorporated, New Taipei, TW;
Inventors:
Feng-Ming Liu, New Taipei, TW;
Jia-Ren Chang, New Taipei, TW;
Assignee:
ACER INCORPORATED, New Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/02 (2006.01); H04R 1/28 (2006.01); H04R 3/00 (2006.01);
U.S. Cl.
CPC ...
H04R 1/2857 (2013.01); H04R 1/025 (2013.01); H04R 3/00 (2013.01); H04R 2201/028 (2013.01);
Abstract
An amplifier and an electronic device using the same are provided. The amplifier includes a first acoustic box, a speaker, a second acoustic box, a connection tube and at least one sound guide tube. The first acoustic box has a first sound hole. The speaker faces the first acoustic box. The second acoustic box has at least one second sound hole. The connection tube connects the first acoustic box and the second acoustic box. The sound guide tube is connected to the second sound hole.