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:
Mar. 27, 1990
Filed:
Sep. 22, 1988
Applicant:
Inventors:
Keiji Takata, Tokorozawa, JP;
Shigeyuki Hosoki, Hachioji, JP;
Sumio Hosaka, Tokyo, JP;
Tsutomu Komoda, Tokyo, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310323 ; 310358 ;
Abstract
A piezoelectric motor is disclosed, which comprises a slider including a tabular vibrator in which a standing wave is excited, and a plurality of piezoelectric actuators securely mounted at the parts of the lower surface of the vibrator corresponding to the loop and node of the standing wave and adapted to be deformed in phase with the standing wave.