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:
Sep. 10, 1996
Filed:
Sep. 09, 1991
Applicant:
Inventors:
J Brett Lefebvre, Lowell, MA (US);
Glenn E Cabana, Derry, NH (US);
Assignee:
Intergraph Corporation, , DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ;
U.S. Cl.
CPC ...
358298 ; 358450 ; 358456 ; 358464 ; 358467 ;
Abstract
An ink-jet apparatus in which a recorded image is read to provide a image reference signal for comparison with an image recording signal, the resulting comparsion being used as a basis for diagnosing an ink injection state of a recording head nozzles in order to determine and implement an ink injection recovery process.