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:
Jun. 27, 2000
Filed:
Apr. 12, 1994
Jan Zwijsen, Wilrijk, BE;
Agfa-Gevaert, N.V., Mortsel, BE;
Abstract
The present invention provides a thermal printing system equipped with at least 3 light sources and 3 photodetectors positioned opposite thereto for detecting the type of dye donor element. One of said light source illuminates a dye frame whereas the other illuminate detection marks in a margin of the dye donor element. The thermal printing system according to the invention allows to distinguish between a dye donor element for color printing and black and white printing and according to an embodiment is also capable to detect further variants. The present invention further provides a dye donor element for use in such thermal printing system and to a method for detecting the type of dye donor element.