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. 26, 2020
Filed:
Nov. 16, 2018
Wistron Corporation, New Taipei, TW;
Li-Ping Pan, New Taipei, TW;
Ta-Yuan Tai, New Taipei, TW;
Jian-Zong Lee, New Taipei, TW;
I-Chun Wu, New Taipei, TW;
Ching-Fu Hsu, New Taipei, TW;
Cheng-Hsing Liu, New Taipei, TW;
Wistron Corporation, New Taipei, TW;
Abstract
A diffuser includes a cone body including an apex portion, a bottom portion, and a side edge portion. The apex portion forms a partial spherical surface, and the side edge portion is aspherical and is connected between the apex portion and the bottom portion. The apex portion satisfies: 2R/3≤r≤R, where r is a radius of curvature of the apex portion, and R is a radius of curvature of a spherical diaphragm of a tweeter speaker. A loudspeaker including a tweeter speaker and a diffuser is also provided.