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. 27, 2019
Filed:
May. 24, 2018
Applicant:
Ming Chi University of Technology, New Taipei, TW;
Inventors:
Assignee:
Ming Chi University of Technology, New Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 31/00 (2006.01); H04R 7/12 (2006.01); H04R 9/02 (2006.01); H04R 9/06 (2006.01);
U.S. Cl.
CPC ...
H04R 31/003 (2013.01); H04R 7/125 (2013.01); H04R 7/127 (2013.01); H04R 9/025 (2013.01); H04R 9/06 (2013.01); H04R 2307/027 (2013.01); H04R 2307/204 (2013.01);
Abstract
The present invention provides an acoustic diaphragm including: a cone and a surround mounted around the cone; wherein an amorphous titanium-zirconium film is formed on a cone substrate, a surround substrate, or both of the substrates. The present invention also provides a speaker containing the acoustic diaphragm.