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:
Aug. 14, 2012
Filed:
Feb. 19, 2010
Takashi Fukushima, Kawasaki, JP;
Toshihiko Ujita, Yokohama, JP;
Shinichi Miyauchi, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink tank capable of optically detecting ink remaining in an ink accommodation chamber with high precision is provided. A printing apparatus, a method of manufacturing the ink tank, and a method of detecting ink remaining in the ink tank are also provided. Radiated light () projected into an ink accommodation chamber (A) excites an illuminant material () contained in ink in the ink accommodation chamber (A) to illuminate. Based on light () produced by the illuminant material (), the amount of ink remaining in the ink accommodation chamber (A) is detected.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile