G06K21/00 - CPC Classification Index

ClassID:

192756 ⎘

G06K21/00 - CPC Classification

Classification description:

Information retrieval from punched cards designed for manual use or handling by machine ; Apparatus for handling such cards, e.g. marking or correcting

Sub-classes:

G06K21/002 » {Selecting of marginally notched cards } 0
G06K21/02 » in which coincidence of markings is sensed mechanically, e.g. by needle 1
G06K21/04 » in which coincidence of markings is sensed optically, e.g. peek-a-boo system 0
G06K21/06 » Apparatus or tools adapted for slotting or otherwise marking information-retrieval cards 3
G06K21/08 » Apparatus or tools for correcting punching or slotting errors {and regeneration of record carriers} 0

Recent Application in this class:

20100019883

2010-01-28

Methods of identifying RFID tag for preventing RFID tag collision, RFID reader and RFID tag using the same