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:
Jan. 22, 2002
Filed:
May. 14, 1997
Applicant:
Inventors:
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/045 ;
U.S. Cl.
CPC ...
B41J 2/045 ;
Abstract
An ink-jet recording head ( ) comprises a first head portion ( ) and a second head portion ( ). The head portion has a plate ( ) which includes an ink cavity ( ) for receiving a ink material and a nozzle ( ) fluidly communicated with ink cavity for ejecting the ink material. A piezoelectric actuator ( ) which deforms to pressurize the ink material to eject the same through the nozzle when a voltage is applied to he piezoelectric actuator. In addition, both sizes of the ink cavity and associated piezoelectric actuator in the first head portion are different from those in the second head portion.