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. 17, 2007
Filed:
Apr. 25, 2006
Kazuhiko Kikuchi, Yokohama, JP;
Kazushige Morihara, Yokohama, JP;
Satoshi Kinouchi, Tokyo, JP;
Osamu Takagi, Tokyo, JP;
Shin Yamauchi, Yokohama, JP;
Kazuhiko Kikuchi, Yokohama, JP;
Kazushige Morihara, Yokohama, JP;
Satoshi Kinouchi, Tokyo, JP;
Osamu Takagi, Tokyo, JP;
Shin Yamauchi, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Abstract
In an image forming apparatus according to the present invention, a shield platewhich is made of a specific material and has a specific thickness is provided between an exciting coil and at least one of a first and a second magnetic field intensity measuring point P, P, which prevents a magnetic field of a specific magnetic field intensity or higher from leaking to the outside of the image forming apparatus or alleviates the effect of the magnetic field on the circuits in the apparatus or optionally installed devices.