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. 13, 1982
Filed:
Sep. 22, 1980
Applicant:
Inventors:
Minoru Toda, Machida, JP;
Susumu Osaka, Machida, JP;
Assignee:
RCA Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310321 ; 310317 ; 310328 ; 310332 ;
Abstract
A rotative motor includes a member mounted to rotate freely. A pair of piezoelectric bimorph elements are excited from a source of alternating current so that free ends of the respective elements vibrate ninety degrees out of phase. The central point of an elastic member connected between the free ends of the elements is in frictional contact with the rotatable member. The central point exhibits a physical displacement circular in shape, imparting a rotary motion to the rotatable member.