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:
May. 27, 2003
Filed:
Oct. 31, 2001
Applicant:
Inventor:
Andrew Joseph Zaremba, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41S 2/01 ;
U.S. Cl.
CPC ...
B41S 2/01 ;
Abstract
The present invention includes as one embodiment a fluid ejection device coupled to a controller that sends and receives data signals to and from the fluid ejection device, the printhead comprising a communication device that facilitates data signal transfer between the printhead and the controller through both physical electrical contact and radio frequency signals.