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.

Date of Patent:
Jul. 21, 2015

Filed:

Jun. 26, 2013
Applicant:

Fuji Xerox Co., Ltd., Tokyo, JP;

Inventors:

Masaaki Abe, Kanagawa, JP;

Yasufumi Suwabe, Kanagawa, JP;

Yoshinori Machida, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
G09G 3/344 (2013.01); G09G 2300/0473 (2013.01); G09G 2320/0209 (2013.01); G09G 2320/041 (2013.01);
Abstract

A driving device of an image display medium includes an electric field applying unit that applies an electric field between a pair of substrates of an image display medium including first particles of which a first start voltage and a first end voltage vary depending on a variation in external environment and second particles of which a second start voltage and a second end voltage vary depending on the variation in external environment, an external environment acquiring unit, an information storage unit that stores information of an initial driving electric field for applying an adhesive force, the absolute value of which satisfies the first start voltage<the first end voltage<the second start voltage<the second end voltage, to the first and second particles depending on the external environment information and information of a writing electric field to be applied to the particles, and a controller that controls the electric field applying unit.


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