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. 09, 2011
Filed:
Jun. 21, 2007
Paris Tsangaris, Itasca, IL (US);
Thomas E. Longwell, Phoenix, AZ (US);
Thomas E. Miller, Arlington Heights, IL (US);
Dennis Ray Kirchhoefer, Plainfield, IL (US);
Daniel M. Warren, Geneva, IL (US);
Paris Tsangaris, Itasca, IL (US);
Thomas E. Longwell, Phoenix, AZ (US);
Thomas E. Miller, Arlington Heights, IL (US);
Dennis Ray Kirchhoefer, Plainfield, IL (US);
Daniel M. Warren, Geneva, IL (US);
Knowles Electronics, LLC, Itasca, IL (US);
Abstract
A transducer comprising a pair of spaced magnets at least partially forming a tunnel having a central axis. A coil having a first and a second side wall and an upper and a lower wall at least partially forms the tunnel. A reed having a central portion extends through the tunnel. The reed has a stationary end, a deflection end, and a tip portion which lies at least partially between the magnets, wherein the reed is mounted for deflection towards or away from the respective magnets.