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:
Apr. 09, 2019
Filed:
Feb. 07, 2017
Applicants:
Tseng Feng Wen, Taoyuan, TW;
Jing Luen Wen, Taoyuan, TW;
Hsin Hao Wen, Taoyuan, TW;
Inventors:
Assignee:
TRANSOUND ELECTRONICS CO., LTD., Guangdong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); H04R 1/28 (2006.01); H04R 9/06 (2006.01); H04R 9/02 (2006.01); H04R 1/10 (2006.01);
U.S. Cl.
CPC ...
H04R 1/2849 (2013.01); H04R 1/1008 (2013.01); H04R 1/1016 (2013.01); H04R 1/1058 (2013.01); H04R 1/2811 (2013.01); H04R 1/2819 (2013.01); H04R 9/025 (2013.01); H04R 9/06 (2013.01); H04R 2201/105 (2013.01);
Abstract
The present invention is directed to a headphone device including zones to separate different frequency ranges for enhancing and improving sound quality. The headphone device includes more than one cavities and second auxiliary holes. The second auxiliary holes are configured for most bass or low-frequency to enter a second cavity through the second auxiliary holes and to have a better frequency division effect and to improve the audio quality of the headphone device.