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:
May. 25, 1999
Filed:
Sep. 27, 1994
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
To prevent an ink blurring on the recording medium, the ink jet recording apparatus for ejecting ink droplets onto the recording medium to record an image includes a plurality of recording heads, each having a plurality of ejecting ports and ejecting different inks; a data storage device for storing printing data and non-printing data for each of the recording heads; a boundary detector for detecting a boundary between the printing data and the non printing data of one of the recording heads in accordance with the printing data stored in the storage device; and a judging an adjusting device for judging whether printing data of other heads continues for more than a predetermined number of dots at the boundary detected by the boundary detector; and a thinning device for converting some of the printing data of the other heads to non printing data when the judging means determines that the printing data of the other heads continues for more than the predetermined number of dots.