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. 15, 2000
Filed:
Sep. 22, 1998
Applicant:
Inventors:
Mitsuhiro Okazaki, Soka, JP;
Takatoshi Ashizawa, Yokohama, JP;
Kazuyasu Oone, Urawa, JP;
Mina Kobayashi, Yokohama, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02N / ;
U.S. Cl.
CPC ...
31032309 ; 310328 ;
Abstract
A vibration actuator having improved drive efficiency by preventing the generation of noise and unnecessary vibrations. The vibration actuator includes a vibration member to generate vibration in contact with a relative movement member and a supporting member to support the vibration member. The supporting member includes a plurality of position determining members in contact with vibration member at different locations. At least one of the plurality of position determining members provides the vibration member with an energy imparting force.