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. 18, 2011
Filed:
Dec. 20, 2007
Yasuteru Asakawa, Osaka, JP;
Naoki Yuda, Osaka, JP;
Eiji Okada, Osaka, JP;
Akira Fujishima, Osaka, JP;
Masatoshi Homan, Tokyo, JP;
Yasuteru Asakawa, Osaka, JP;
Naoki Yuda, Osaka, JP;
Eiji Okada, Osaka, JP;
Akira Fujishima, Osaka, JP;
Masatoshi Homan, Tokyo, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Olympus Medical Systems Corp., Tokyo, JP;
Abstract
An oscillator device includes a resonator including a coil and a capacitor connected to the coil in parallel; and an oscillator connected to the resonator. Electric waves are emitted from the coil to at least one receiving antenna of the receiver while the oscillator device changes position and direction over time. The coil has an outer diameter and a total length which is approximately the same as the outer diameter.