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. 27, 2012
Filed:
Oct. 26, 2009
Applicants:
Markku Rouvala, Helsinki, FI;
Tim Mellow, Farnham, GB;
Pritesh Hiralal, Cambridge, GB;
Haolan Wang, Cambridge, GB;
Gehan Amaratunga, Cambridge, GB;
Inventors:
Markku Rouvala, Helsinki, FI;
Tim Mellow, Farnham, GB;
Pritesh Hiralal, Cambridge, GB;
Haolan Wang, Cambridge, GB;
Gehan Amaratunga, Cambridge, GB;
Assignee:
Nokia Corporation, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus and method of providing an apparatus, the apparatus including: a loudspeaker configured to convert an electrical input signal into an acoustic output signal; and carbon nanohorn material wherein the carbon nanohorn material is positioned so as to be exposed to the acoustic output signal.