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. 10, 1978
Filed:
Nov. 04, 1975
Applicant:
Inventor:
Michel Lagier, Paris, FR;
Assignee:
Thomson-CSF, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
340 10 ; 340 / ; 340 / ;
Abstract
An improved-performance transducer for deep submersion operation. An axially operating sandwich type transducer has its active part arranged in a housing designed and embodied to form a filter for decoupling the active face. Such a transducer is usable in systems for underwater acoustics.