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, 2001
Filed:
Jan. 19, 1999
Shogo Suzuki, Nagoya, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
An ink ejecting apparatus has: a plate member in which an ink channel is formed; an ink supplying source for supplying the ink to the ink channel; a plurality of ink chambers formed in the plate member and each communicating with the ink channel to allow the ink to be moved from the ink channel into the plurality of ink chambers; a plurality of ink ejecting holes formed in the plate member and communicating with the plurality of ink chambers, respectively, to eject the ink from the plurality of ink chambers; a selection device for selecting more than one ink chamber that actually ejects the ink, from among the plurality of ink chambers; a first control device for reducing a volume of each of the selected ink chambers to actually eject the ink from the selected ink chambers; and a second control device for expanding a volume of non-selected ink chambers to absorb a pressure wave which is caused by a change of the volume of each of the selected ink chambers.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile