Methods or arrangements for sensing record carriers, (methods or arrangements for marking the record carrier in digital fashion G06K1/00; pattern recognition G06F18/00; arrangements for image or video recognition or understanding G06V10/00; character recognition, recognising digital ink or document-oriented image-based pattern recognition G06V30/00)

Child Classifications

Navigate with arrow keys, Enter to open

• G06K 7/0004 CPC only CPC only
• G06K 7/0008 CPC only CPC only
• G06K 7/0013 +7 CPC CPC only CPC only
• G06K 7/0095 CPC only CPC only
• G06K 7/01 Details IPC+CPC Available in IPC and CPC
• G06K 7/02 by pneumatic or hydraulic means, e.g. sensing punched holes with compressed air; by sonic means IPC+CPC Available in IPC and CPC
• G06K 7/04 by mechanical means, e.g. by pins operating electric contacts +1 CPC IPC+CPC Available in IPC and CPC
• G06K 7/06 by means which conduct current when a mark is sensed or absent, e.g. contact brush for a conductive mark +1 CPC IPC+CPC Available in IPC and CPC
• G06K 7/08 by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes +3 CPC IPC+CPC Available in IPC and CPC
• G06K 7/10 by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation +7 CPC IPC+CPC Available in IPC and CPC