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:
Jul. 01, 2014
Filed:
Nov. 21, 2011
Applicant:
Hirofumi Teramae, Matsumoto, JP;
Inventor:
Hirofumi Teramae, Matsumoto, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 29/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drive signal generating circuit of the liquid ejection apparatus may output a second drive signal including a first unit signal including a set of two ejection drive pulses, and a fine vibration drive pulse, and a second unit signal including a set of two ejection drive pulses; and at a steady speed area of the recording head, both the first unit signal and the second unit signal are output according to one timing signal while at an acceleration or deceleration area of the recording head, one first unit signal is output according to one timing signal.