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PCE
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IPC Subgroup
G11B 27/19

by using information detectable on the record carrier

Introduced: January 1985

Last revised: January 2006

Full Title

Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel > Indexing; Addressing; Timing or synchronising; Measuring tape travel > by using information detectable on the record carrier

Classification Context

Section:
PHYSICS
Class:
INFORMATION STORAGE
Subclass:
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER

3 direct subcodes

Child Classifications

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  • G11B 27/22 Means responsive to presence or absence of recorded information signals