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:
Nov. 29, 2016
Filed:
Oct. 19, 2015
Applicants:
Tetsuro Hirota, Kanagawa, JP;
Hiroshi Hosokawa, Kanagawa, JP;
Shunji Katoh, Kanagawa, JP;
Masayuki Yamane, Kanagawa, JP;
Masahiro Watanabe, Kanagawa, JP;
Shingo Nishizaki, Kanagawa, JP;
Inventors:
Tetsuro Hirota, Kanagawa, JP;
Hiroshi Hosokawa, Kanagawa, JP;
Shunji Katoh, Kanagawa, JP;
Masayuki Yamane, Kanagawa, JP;
Masahiro Watanabe, Kanagawa, JP;
Shingo Nishizaki, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01); G01N 27/72 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0829 (2013.01); G01N 27/72 (2013.01); G03G 15/0848 (2013.01); G03G 15/0853 (2013.01);
Abstract
A magnetic permeability detector includes an LC oscillator circuit including a coil and a capacitor; and a resistor connected in series with the coil.