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. 05, 1986
Filed:
Aug. 08, 1985
Applicant:
Inventor:
Louis P Sweany, Carmel, IN (US);
Assignee:
Emhart Industries, Inc., Indianapolis, IN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B / ; H01L / ;
U.S. Cl.
CPC ...
3403 / ; 3403 / ; 310322 ; 310324 ;
Abstract
An audio signalling device provides a housing having at least one end, a piezoelectric transducer, a nodal mounting for the piezoelectric transducer in proximity to the end of the housing, a planar member, a mounting for the planar member in a spaced adjacent relationship with the piezoelectric transducer, and spring contacts mounted on the planar member for making spring biased electrical contact with the piezoelectric transducer.