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Publication date
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Publication of BE679738ApublicationCriticalpatent/BE679738A/xx
G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
G06K7/01—Details
G06K7/016—Synchronisation of sensing process
G06K7/0166—Synchronisation of sensing process by means of clock-signals derived from the code marks, e.g. self-clocking code
G—PHYSICS
G06—COMPUTING OR CALCULATING; COUNTING
G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
G06V30/10—Character recognition
G06V30/22—Character recognition characterised by the type of writing
G06V30/224—Character recognition characterised by the type of writing of printed characters having additional code marks or containing code marks
G06V30/2247—Characters composed of bars, e.g. CMC-7
H—ELECTRICITY
H03—ELECTRONIC CIRCUITRY
H03K—PULSE TECHNIQUE
H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
H03K5/153—Arrangements in which a pulse is delivered at the instant when a predetermined characteristic of an input signal is present or at a fixed time interval after this instant