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. 18, 1998
Filed:
Dec. 06, 1996
Applicant:
Inventor:
Raimund Martin, Eggolsheim, DE;
Assignee:
Siemens Audiologische Technik GmbH, Erlangen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
381 682 ; 381 68 ; 381 69 ;
Abstract
A hearing aid has at least one microphone, a digital signal conditioning stage having a signal converter, an amplifier as well as filters, and an earphone. For protection against emission of electromagnetic waves, an analog-to-digital converter is arranged in the microphone housing.