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:
Jul. 07, 1998
Filed:
Sep. 26, 1995
Applicant:
Inventors:
Yoshitaka Okamura, Kawasaki, JP;
Yoichi Tosaka, Yokohama, JP;
Kenichirou Hashimoto, Yokohama, JP;
Hirofumi Hirano, Yokohama, JP;
Kosuke Yamamoto, Yokohama, JP;
Hiroshi Nakai, Yokohama, JP;
Yoshinori Watanabe, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ; B41J / ;
U.S. Cl.
CPC ...
347-7 ; 347 14 ;
Abstract
A black ink cartridge is mounted on a carriage capable of scanning along a guide shaft, and when a projection of the carriage rides on a sensor within the scanning range of the carriage, the weight of the black ink cartridge is detected.