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:
Aug. 24, 2021
Filed:
Mar. 10, 2020
Almus Corp., Chungcheongnam-do, KR;
Ju Heon Ko, Hwaseong-si, KR;
Byung Il Min, Suwon-si, KR;
Yun Uk Ha, Incheon, KR;
Jeong Kwon Park, Yeoju-si, KR;
Yeong Jae Lee, Yongin-si, KR;
ALMUS CORP., Chungcheongnam-Do, KR;
Abstract
Disclosed is a speaker unit for an earphone. The speaker unit includes a magnet, a voice coil, a vibration plate, a fixing ring on which an edge of the vibration plate is mounted, and a frame configured to accommodate the magnet, the upper plate, and the voice coil. Here, a pipe conduit is formed in the frame along a circumferential direction. A first hole configured to allow the pipe conduit and a first space disposed in front of the speaker unit to communicate with each other is formed in at least one first position at a top of the frame in a circumferential direction. A second hole configured to allow the pipe conduit and a second space disposed in the rear of the speaker unit to communicate with each other is formed in at lest one second position at a bottom of the frame in a circumferential direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile