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:
Oct. 02, 2007
Filed:
Jul. 18, 2003
Applicants:
Erich Klein, Himberg, AT;
Michael Schoeffmann, Siegenfeld, AT;
Inventors:
Erich Klein, Himberg, AT;
Michael Schoeffmann, Siegenfeld, AT;
Assignee:
NXP, B.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an electroacoustic transducer (), an annular shaped magnet system () is provided, enclosing an inner space (), in which inner space () an integrated circuit () is accommodated, with the aid of which integrated circuit () an electrical signal to be sent to a moving coil () of transducer () can be amplified.