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. 29, 2005
Filed:
Jun. 18, 2001
Applicants:
Yoshitaka Ichii, Kadoma, JP;
Katsuhiro Hirata, Kadoma, JP;
Yasushi Arikawa, Kadoma, JP;
Tomio Yamada, Kadoma, JP;
Hidekazu Yabuuchi, Kadoma, JP;
Hiroki Inoue, Kadoma, JP;
Inventors:
Yoshitaka Ichii, Kadoma, JP;
Katsuhiro Hirata, Kadoma, JP;
Yasushi Arikawa, Kadoma, JP;
Tomio Yamada, Kadoma, JP;
Hidekazu Yabuuchi, Kadoma, JP;
Hiroki Inoue, Kadoma, JP;
Assignee:
Matsushita Electric Works, Ltd., Kadoma, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K033/00 ;
U.S. Cl.
CPC ...
Abstract
A linear oscillator includes a reciprocating moving part, a case to contain the moving part, and an amplitude control spindle moveably supported in the case. The moving part and the amplitude control spindle reciprocate at a frequency approximately equal to the resonance frequency of the linear oscillator.