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.:

US 7990020 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 02, 2011

Filed:

Dec. 04, 2007
Applicants:

Akihiro Iino, Chiba, JP;

Makoto Suzuki, Chiba, JP;

Inventors:

Akihiro Iino, Chiba, JP;

Makoto Suzuki, Chiba, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02N 2/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides an ultrasonic motor including a wire having a coiled stator at one end thereof, a vibration generating device disposed at another end of the wire, a moving member that is in contact with the stator, a guide member that guides the rotation of the moving member, and an elastic member that covers the periphery of the wire. Accordingly, the driving efficiency of the ultrasonic motor that has a simple structure and that can be easily downsized can be enhanced and the performance stability thereof can be realized.


Find Patent Forward Citations

Iino, Akihiro. (2011). Ultrasonic motor and electronic device using the same (U.S. Patent No. 7990020). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7990020

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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