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. 12, 1978
Filed:
Jan. 18, 1977
Applicant:
Inventor:
Jan Podgorski, Bensberg, DE;
Assignee:
INTERATOM, International Atomreaktorbau GmbH, Bensberg, Koeln, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
340 11 ; 310 26 ;
Abstract
Electromechanical transducer includes a magnetostrictive core formed of a superimposed stack of individual plates disposed within a cylindrical protective sheath and having a coil wound thereon in longitudinal direction thereof, the plates having the shape of a circular disc formed with slots therein which leave open an area central to the disc that corresponds to the cross section of the coil and are disposed alternatingly offset from one another at a given angle so that the stack formed by the individual plates is in contact with the inner surface of the protective sheath over the entire periphery thereof.