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:
Feb. 05, 2013
Filed:
Mar. 15, 2011
Eiji Tachibana, Kanagawa, JP;
Eiji Tachibana, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An image forming apparatus includes a printing head having an ink nozzle configured to discharge ink droplets onto a recording medium in order to form an image on the recording medium in a recording operation; a carriage on which the printing head is mounted and being moved in a main-scan direction during the recording operation; a linear encoder sheet having a counter for detecting a position of the carriage; an encoder sensor mounted on the carriage and detecting the position of the carriage by optically reading the counter of the linear encoder sheet; an carriage unit enclosure in which at least the carriage, the linear encoder sheet, and the encoder sensor are disposed; and an internal pressure adjusting unit adjusting an internal pressure of the carriage unit enclosure to be other than a negative pressure.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile