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:
Dec. 31, 2013
Filed:
May. 16, 2008
Mitsunori Morisaki, Tokyo, JP;
Mitsunori Morisaki, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A power acquisition device fixed to an illuminating device having a fluorescent tube and a reflective plate so as to acquire power from a magnetic field generated by an alternating current flowing through the fluorescent tube by electromagnetic induction. The power acquisition device is fixed so as to surround the fluorescent tube and at least one of the thickness in the direction perpendicular to the surface of the fluorescent tube and the length in the direction parallel to the length direction of the fluorescent tube is non-uniformly. Assuming that the area where the reflective plate exists in the direction perpendicular to the surface of the fluorescent tube is a first area, and the area where the reflective plate does not exist in the direction perpendicular to the surface of the fluorescent tube is a second area, at least one of the thickness in the direction perpendicular to the surface of the fluorescent tube and the length in the direction parallel to the length direction of the fluorescent tube is non-uniformly in the first and second areas.