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:
May. 22, 1979
Filed:
Jul. 26, 1977
Applicant:
Inventor:
Donald B Heckman, Sterling, VA (US);
Assignee:
EG&G International, Inc., Waltham, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
340 / ; 340 10 ;
Abstract
An acoustic transducer for use under water is constructed in such a manner that when out of the water the transducer element is substantially isolated from vibrations that otherwise would be coupled thereto from the mounting base on which it is mounted.