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:
Aug. 18, 1992
Filed:
Sep. 18, 1989
Applicant:
Inventor:
Masaki Yamaguchi, Gifu, JP;
Assignee:
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310323 ; 310328 ;
Abstract
A vibrator comprising an elastic member and two exciting members such as piezoelectric members, and an ultrasonic linear or rotary motor having the vibrator. One exciting member excites a longitudinal vibration in the elastic member in the length direction thereof and the other exciting member excites a flexural vibration in the elastic member in the thickness thereof, thereby providing substantially elliptical motion to the elastic member.