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:
May. 17, 2016
Filed:
Nov. 11, 2014
Transound Electronics Co.,ltd, Dongguan, CN;
Tsengfeng Wen, Dongguan, CN;
Huiguang Yang, Dongguan, CN;
TRANSOUND ELECTRONICS CO., LTD., Dongguan, Guangdong, CN;
Abstract
An earphone with dual loudspeakers includes a casing, a retaining member, a tweeter, and a woofer. The casing has a first sound outlet passage and an accommodation space therein. The retaining member is installed in the accommodation space. Two ends of the retaining member are formed with a first accommodation cavity and a second accommodation cavity, respectively. The tweeter and the woofer are respectively installed in the first and second accommodation cavities and then installed in the casing. The tweeter has a sound outlet side facing the first sound outlet passage. A second sound outlet passage is formed between the outer wall of the tweeter and the inner wall of the first accommodation cavity. The second sound outlet passage communicates with the first sound outlet passage. The woofer has a sound outlet side facing the second sound outlet passage.