Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Publication of LU41163A1publicationCriticalpatent/LU41163A1/xx
G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
G06K13/00—Conveying record carriers from one station to another, e.g. from stack to punching mechanism
G06K13/02—Conveying record carriers from one station to another, e.g. from stack to punching mechanism the record carrier having longitudinal dimension comparable with transverse dimension, e.g. punched card
G06K13/06—Guiding cards; Checking correct operation of card-conveying mechanisms
G06K13/067—Checking presence, absence, correct position, or moving status of cards