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:
Nov. 28, 2006
Filed:
Oct. 08, 2004
Applicants:
John G. Edelen, Lexington, KY (US);
Paul W. Graf, Lexington, KY (US);
Inventors:
John G. Edelen, Lexington, KY (US);
Paul W. Graf, Lexington, KY (US);
Assignee:
Lexmark International, Lexington, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/34 (2006.01); G11C 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A memory circuit for an inkjet print head having a plurality of memory cells switchably connected to a source and configured in an array, wherein at least one of the memory cells is a reference memory cell and at least one of the remaining cells are data memory cells, and at least one sense amplifier adapted to compare at least one of a current and voltage received from the reference memory cell with at least one of a current and voltage received from one of the data memory cells and generate an output based on the comparison.