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:
Nov. 14, 2017
Filed:
Nov. 02, 2016
Applicant:
Onkyo Corporation, Osaka, JP;
Inventors:
Hiroyasu Kumo, Osaka, JP;
Takaya Fujii, Osaka, JP;
Assignee:
Onkyo Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 7/02 (2006.01); G10K 13/00 (2006.01); D21H 11/18 (2006.01); H04R 7/00 (2006.01);
U.S. Cl.
CPC ...
G10K 13/00 (2013.01); D21H 11/18 (2013.01);
Abstract
An acoustic diaphragm which has excellent Young's modulus and internal loss (tan δ) values is provided. The acoustic diaphragm according to the present invention is made from papermaking material substantially solely including cellulose nanofibers. In one embodiment, the cellulose nanofibers are unoxidized cellulose nanofibers.