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:
Dec. 29, 2015
Filed:
Feb. 23, 2012
Takakazu Kuki, Fuchu, JP;
Katsuaki Komatsu, Hachioji, JP;
Takakazu Kuki, Fuchu, JP;
Katsuaki Komatsu, Hachioji, JP;
KONICA MINOLTA, INC., Tokyo, JP;
Abstract
A droplet discharge device having a droplet discharge head provided with a plurality of nozzles that discharge droplets; a plurality of pressure chambers communicating with the nozzles; and a plurality of pressure generating units for changing a capacity of each pressure chamber by applying a drive signal. The drive signal includes an expansion pulse and a contraction pulse, and the plurality of nozzles are divided into a plurality of groups each comprising one or more nozzles. A drive voltage value of the expansion pulse is set to be common to the respective groups. The drive signal which has a drive voltage value of the contraction pulse independently set in accordance with a droplet speed level for each group is applied to the droplet discharge head, and the droplets are discharged.