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:
Jan. 25, 2005
Filed:
Dec. 27, 2002
Applicants:
Minoru Ueda, Adachi-ku, JP;
Kenji Ueno, Adachi-ku, JP;
Takayuki Kumagai, Adachi-ku, JP;
Inventors:
Assignee:
Namiki Seimitsu Houseki Kabushiki Kaisha, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K 706 ;
U.S. Cl.
CPC ...
Abstract
An amount of movement of an air passing through a clearance Gis adjusted by adjusting the clearance Gby placing an outer shape surfaceof a yokein proximity of an inner side surface of a housing. Accordingly, a vibration characteristic having a wide frequency bandwidth can be obtained, thereby improving stability and convenience of body-sensible vibration characteristic of a multifunctional vibration actuator.