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:
Jan. 31, 1984
Filed:
Jan. 28, 1982
Applicant:
Inventor:
Steven Feldman, Seminole, FL (US);
Assignee:
AMP Incorporated, Harrisburg, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310322 ; 310324 ; 1791 / ;
Abstract
Nodal contacts for piezoelectric audio transducer comprise an annular surface in a conductive housing member which is attached resiliently to a circuit board. The transducer is clamped resiliently between the annular surface and first and second contacts mounted to the board. The first contact is situated on a semicircular wall which forms a resonant cavity and the second contact is situated on a post in an aperture defined by the wall. An alternative embodiment utilizes a plastic housing member with slots in the top thereof which allow resilience of the annular surface.