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:
Feb. 07, 2023
Filed:
Mar. 08, 2021
Applicants:
Hiroshi Nishimura, West Hills, CA (US);
Giang Vo, Simi Valley, CA (US);
Cesar Hurtado, Simi Valley, CA (US);
Inventors:
Hiroshi Nishimura, West Hills, CA (US);
Giang Vo, Simi Valley, CA (US);
Cesar Hurtado, Simi Valley, CA (US);
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
B41J 2/14201 (2013.01); B41J 2002/14419 (2013.01); B41J 2202/11 (2013.01);
Abstract
Printheads and manifolds within printheads. In one embodiment, a method comprises determining a resonant frequency of jetting channels for a printhead, and selecting a target length for a manifold fluidly coupled to the jetting channels such that resonant frequencies of the manifold differ from the resonant frequency of the jetting channels by a threshold amount.