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:
Feb. 28, 2017
Filed:
Jul. 15, 2014
Applicant:
Nokia Corporation, Espoo, FI;
Inventors:
Shengrong Shi, San Diego, CA (US);
Yuanjia Yang, Beijing, CN;
Jian Guo, San Diego, CA (US);
Oscar Lopez, San Diego, CA (US);
Assignee:
Nokia Technologies Oy, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 9/02 (2006.01); H04R 9/06 (2006.01);
U.S. Cl.
CPC ...
H04R 9/025 (2013.01); H04R 9/06 (2013.01); H04R 2400/11 (2013.01); H04R 2499/11 (2013.01);
Abstract
An apparatus including a frame; a coil movably connected to the frame; and a magnet system connected to the frame. The magnet system includes at least one magnet and at least one pole piece connected to the at least one magnet. The at least one pole piece include a magnet pot. A cross sectional length of the magnet pot and the frame are substantially the same in at least one cross sectional location.
Shi, Shengrong. (2017). Sound transducer (U.S. Patent No. 9584921). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9584921
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile