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. 11, 2009
Filed:
Jun. 21, 2006
Masatoshi Araki, Kanagawa, JP;
Masatoshi Araki, Kanagawa, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A nozzle check pattern is formed by ejecting liquid droplets onto a recording medium from a nozzle row formed in a liquid droplet ejection head. The nozzle check pattern includes: a first pattern formed by assigning consecutive numbers in order to the nozzles in the nozzle row, dividing the nozzle row into plural first nozzle groups, and ejecting predetermined dots onto the recording medium in order from the nozzle with the smallest number to the nozzle with the largest number in each of the first nozzle groups; and a second pattern formed by dividing the nozzle row into second nozzle groups whose number is larger than that of the first nozzle groups and ejecting predetermined dots onto the recording medium in order from the nozzle with the smallest number to the nozzle with the largest number in each of the second nozzle groups.