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:
Mar. 22, 2016
Filed:
May. 24, 2013
Konica Minolta, Inc., Chiyoda-ku, JP;
Naoya Komada, Atsugi, JP;
Shingo Tsubotani, Kunitachi, JP;
KONICA MINOLTA, INC., Tokyo, JP;
Abstract
An object is to provide a head drive unit that prevents an increase in viscosity of inks in nozzles even when a head is present outside an image forming region and also provide an inkjet printer, and the head drive unit includes: a drive signal output devicethat outputs either a discharge signal or a meniscus oscillation signal to each head; a cycle generatorthat generates a cyclic oscillation timing signal for the meniscus oscillation signal; an input interruption detectorthat detects that input of a print timing signal is interrupted; and a drive signal selectorthat selects the meniscus oscillation signal as a drive signal output from the drive signal output device and continuously applies the meniscus oscillation signal to all nozzles of each head in synchronization with an oscillation timing signal when interruption of the input of the print timing signal is detected.