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:
Jul. 07, 2009
Filed:
Feb. 23, 2006
Applicant:
Atsushi Terasaki, Tsukuba-gun, JP;
Inventor:
Atsushi Terasaki, Tsukuba-gun, JP;
Assignee:
SMC Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01B 7/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A position detecting mechanism for specifying the position of a movable body using magnetism includes a magnetic device mounted to the movable body and a magnetic sensor mounted to a housing. The magnetic device includes a pair of yokes made of a magnetic substance, a plurality of permanent magnets interposed between the yokes, and a holder for holding the magnets. The magnets are disposed in such a manner that the north and south magnetic poles are in contact with the yokes on both sides.