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. 22, 2000
Filed:
Sep. 27, 1996
Applicant:
Inventor:
Toshio Amano, Kyoto, JP;
Assignee:
Rohm Co. Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
347 70 ; 347-9 ; 347 86 ;
Abstract
An ink jet printhead is provided which includes a head body. The head body includes a passage forming panel formed with a plurality of grooved ink passages each communicating with a discharge port, and a vibration plate laminated on the passage forming panel to face the ink passages. The vibration plate is provided with a plurality of ink inlet ports for introducing ink into the ink passages. Therefore, an ink cartridge may be connected from behind the head body.