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:
Jun. 30, 2009
Filed:
Jan. 16, 2004
Applicant:
Hideo Horigome, Kanagawa, JP;
Inventor:
Hideo Horigome, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); G08B 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
According to one aspect of the invention, a battery charging apparatus including a battery pack, which is attachable/removable to/from an ink jet printer which can be driven with electric power from the battery pack. The battery charging apparatus has a serial communication unit which receives battery residual capacity information, detected by the ink jet printer, from the ink jet printer, and a display unit which displays a battery residual capacity based on the residual capacity information received by the serial communication unit.