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:
Sep. 29, 2015
Filed:
Oct. 26, 2011
Applicants:
Steffen Polster, Nürnberg, DE;
Andre Gerlach, Leonberg-Hoefingen, DE;
Claudia Arnold, Stuttgart, DE;
Stefan Zimmermann, Stuttgart, DE;
Inventors:
Steffen Polster, Nürnberg, DE;
Andre Gerlach, Leonberg-Hoefingen, DE;
Claudia Arnold, Stuttgart, DE;
Stefan Zimmermann, Stuttgart, DE;
Assignee:
ROBERT BOSCH GMBH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); H04R 17/00 (2006.01); H04R 19/02 (2006.01);
U.S. Cl.
CPC ...
H04R 17/00 (2013.01); H04R 17/005 (2013.01); H04R 19/02 (2013.01); H04R 2201/401 (2013.01);
Abstract
A piezoelectric sound transducer using a piezoelectric plastic material is developed from a substrate layer and a layer of a piezoelectric plastic material deposited thereon, the piezoelectric plastic layer covering the substrate layer not completely but having openings.