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. 12, 2005
Filed:
Apr. 28, 2004
Applicants:
Hiroshi Okada, Gunma, JP;
Masato Kumagai, Saitama, JP;
Inventors:
Hiroshi Okada, Gunma, JP;
Masato Kumagai, Saitama, JP;
Assignee:
Hitachi Unisia Automotive, Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F023/32 ; G01F023/30 ; G08B021/00 ;
U.S. Cl.
CPC ...
Abstract
A fuel gauge includes an arm moving with the level of fuel in a fuel tank, a detection body for movably supporting the arm and including a rotor moving together with the arm and a stator for movably supporting the rotor, and a magnetic-flux detecting element arranged in the stator and for detecting the displacement amount of the arm.