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. 21, 2025
Filed:
Jan. 09, 2023
Applicant:
Infineon Technologies Ag, Neubiberg, DE;
Inventors:
Hong Chen, Pogöriach, AT;
Benno Muehlbacher, Villach-St. Magdalen, AT;
Michael Reinhold, Erlangen, DE;
Juergen Roeber, Stegaurach, DE;
Andreas Wiesbauer, Pörtschach a. W., AT;
Assignee:
Infineon Technologies AG, Neubiberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 19/00 (2006.01); H04R 3/04 (2006.01);
U.S. Cl.
CPC ...
H04R 19/005 (2013.01); H04R 3/04 (2013.01); H04R 2201/003 (2013.01);
Abstract
A microphone includes a first resistor circuit for receiving a bias voltage; an offset reduction circuit coupled to the first resistor circuit; a second resistor circuit coupled to the offset reduction circuit; an amplifier coupled to the second resistor circuit configured for receiving an input signal and generating an output signal; and a capacitor circuit coupled to the amplifier, the offset reduction circuit, and the second resistor circuit.