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. 11, 2011
Filed:
Sep. 25, 2007
Applicants:
Jens Kristian Poulsen, Hedehusene, DK;
Carsten Fallesen, Nyborg, DK;
Lars Jørn Stenberg, Roskilde, DK;
Jozef Johannes Gerardus Bosch, Amsterdam, DK;
Inventors:
Jens Kristian Poulsen, Hedehusene, DK;
Carsten Fallesen, Nyborg, DK;
Lars Jørn Stenberg, Roskilde, DK;
Jozef Johannes Gerardus Bosch, Amsterdam, DK;
Assignee:
EPCOS Pte Ltd, Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 3/00 (2006.01); H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A MEMS microphone comprising a MEMS transducer having a back plate and a diaphragm as well as controllable bias voltage generator providing a DC bias voltage between the back plate and the diaphragm. The microphone also has an amplifier with a controllable gain, and a memory for storing information for determining a bias voltage to be provided by the bias voltage generator and the gain of the amplifier.