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:
Jul. 18, 2023
Filed:
May. 06, 2022
Applicant:
Primax Electronics Ltd., Taipei, TW;
Inventors:
Assignee:
PRIMAX ELECTRONICS LTD., Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/10 (2006.01);
U.S. Cl.
CPC ...
H04R 1/1008 (2013.01); H04R 1/1083 (2013.01); H04R 1/1091 (2013.01); H04R 2201/10 (2013.01); H04R 2460/11 (2013.01);
Abstract
A headphone device includes a covering member, a sound chamber casing and a speaker unit. The sound chamber casing is combined with the covering member, so that a sound chamber is formed. The speaker unit is installed within the sound chamber. The sound chamber includes a gas channel. The gas channel has a bend portion.