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:
May. 06, 2008
Filed:
Jan. 16, 2004
Applicants:
Takashi Yamaguchi, Tokyo, JP;
Jingo Wada, Tokyo, JP;
Inventors:
Takashi Yamaguchi, Tokyo, JP;
Jingo Wada, Tokyo, JP;
Assignee:
Konami Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61L 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A point switching device that is disposed at a diverging point on tracks on which a movable body travels is provided. This point switching device includes: a point that rotates around a support point on one end, and can move between a first position and a second position; a first coil that generates an induction field to drive the point to the first position; a second coil that generates an induction field to drive the point to the second position; and an excitation control unit that selectively supplies an intermittent exciting current to the first coil or the second coil.