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:
Dec. 24, 1996
Filed:
Jan. 16, 1996
Applicant:
Inventors:
John P McSwiggen, Inver Grove Heights, MN (US);
Randall W Roberts, Eden Prairie, MN (US);
Assignee:
Wilbrecht Electronics, Inc., St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
381 692 ; 381 686 ; 381 69 ;
Abstract
A hearing aid battery cover switch for a hearing aid, having a shorting contact mounted to the battery cover for actuation of various modes of a hearing aid by a user. A contact member is positioned to be engaged by the shorting contact when the contact is moved by a user. Various switch designs are used, including a cantilevered contact switch, a symmetrical wave spring switch, and a cantilevered switch with a battery contact post.