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. 05, 2010
Filed:
Feb. 22, 2007
Applicant:
Hiroshi Mataki, Kanagawa-ken, JP;
Inventor:
Hiroshi Mataki, Kanagawa-ken, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
The liquid ejection head has an ejection unit which includes: a nozzle ejecting a droplet of liquid; a pressure chamber connected to the nozzle; a displacement generating device which changes a volume of the pressure chamber; and a supply flow channel which is connected to the pressure chamber and supplies the liquid to the pressure chamber, wherein a resonance frequency f (kHz) of the ejection unit and an ejection speed v (m/s) of the droplet ejected by the nozzle satisfy a following relationship: f>31×v+80.