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:
Jul. 20, 1999
Filed:
Oct. 17, 1996
Applicant:
Inventor:
Cormac G O'Neill, Walnut Creek, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310328 ;
Abstract
Ferroelectric transducers each including two cooperating, identically polarized ferroelectric stacks which are excited in opposite polarity. Each transducer includes a yoke assembly for sensing the respective expansions and contractions of the two ferroelectric stacks, mechanically adding these respective expansions and contractions, and applying the sum thereof to a pair of elongated T-levers, which T-levers serve to displace the output element of the transducer.