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IPC Main Group
G06K 7/00

Methods or arrangements for sensing record carriers

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PHYSICS
Class:
COMPUTING OR CALCULATING; COUNTING
Subclass:
GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS

Scope Notes

Glossary: sensing reading the content of the record carrier | Limiting references: Methods or arrangements for marking the record carrier in digital fashion Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints ,

Related Keywords

sensing RECORD(S) carriers in data processing apparatusSENSING record carriers in data processing apparatus

6 direct subcodes

Child Classifications

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  • G06K 7/02 by pneumatic or hydraulic means, e.g. sensing punched holes with compressed air; by sonic means
  • G06K 7/04 by mechanical means, e.g. by pins operating electric contacts
  • G06K 7/06 by means which conduct current when a mark is sensed or absent, e.g. contact brush for a conductive mark
  • G06K 7/08 by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes