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:
Apr. 08, 2014
Filed:
Sep. 28, 2007
Atsushi Kimura, Tokyo, JP;
Akio Uchiyama, Kanagawa, JP;
Ryoji Sato, Tokyo, JP;
Atsushi Chiba, Tokyo, JP;
Atsushi Kimura, Tokyo, JP;
Akio Uchiyama, Kanagawa, JP;
Ryoji Sato, Tokyo, JP;
Atsushi Chiba, Tokyo, JP;
Olympus Medical Systems Corp., Tokyo, JP;
Abstract
A position detection system for a detection object and a position detection method for a detection object that enable calibration without removing a detection object after the detection object is introduced into a detection space are provided. Provided are a magnetic-field generating unit () that generates a position-detection magnetic field; a detection object () including a resonant circuit () that generates a resonant magnetic field and an external-signal switch that connects or disconnects the path of the resonant circuit (); a switch-controlling unit () that controls connecting or disconnecting of the external-signal switch; a position-detection-magnetic-field detecting unit () that detects the magnetic field strength of at least one of the position-detection magnetic field and the resonant magnetic field; and a position-calculating unit () that calculates the position and orientation of the detection object () based on a detection signal from the position-detection-magnetic-field detecting unit ().