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:
Apr. 29, 2003
Filed:
Nov. 16, 2001
Haruhiko Koto, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus according to the present invention comprises a medium-conveyance device having a conveyance surface that moves at a speed V, and a plurality of liquid ejecting heads disposed in a movement direction of the surface. Associated with the maximum value of variations of a height of the surface with respect to a conveyance reference surface, the maximum error amount of a thickness of a print medium and the maximum amount of relief from the conveyance surface, the maximum height H of a cockling produced on the medium, and a cockling height after passage of a predetermined time L/V since a liquid is firstly ejected to the medium by the upstream liquid ejecting head, a gap between an ejection opening surface of the head located on the downstream side and the conveyance surface is set, and a distance L between the upstream and downstream liquid ejecting heads is set shorter than (V/V )H .
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile