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. 17, 2013
Filed:
Jul. 16, 2010
Applicant:
Satoshi Ogawa, Shiojiri, JP;
Inventor:
Satoshi Ogawa, Shiojiri, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/033 (2013.01); G09G 3/34 (2006.01); G08B 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A writing device for displaying an image on a display layer having a containing portion in which electrophoretic particles are contained, includes: a casing; a power supply provided in the casing; an electrode portion which is provided in the casing and is electrically connected to the power supply; and a conductive portion which is provided in the casing and is electrically connected to the power supply, wherein display of the image is performed by electrically connecting the electrode portion to the display layer so that the conductive portion is electrically connected to the display layer.