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:
Mar. 19, 1991
Filed:
Mar. 31, 1989
Applicant:
Inventors:
David R Barwig, Plymouth, MN (US);
Michael P Geraci, Bloomington, MN (US);
Assignee:
Resistance Technology, Inc., Arden Hills, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03G / ; H01C / ;
U.S. Cl.
CPC ...
381 684 ;
Abstract
A hearing aid faceplate assembly includes a faceplate having a volume control/switch receiving aperture. A volume control/switch integrated circuit assembly is mounted within the aperture. The volume control/switch integrated circuit assembly includes a module substrate, an amplifier mounted to the substrate and a volume control mounted to the substrate and electrically coupled to the amplifier.