DIFF Subgroup
G11B 27/24 by sensing features on the record carrier other than the transducing track
Introduced: September 1968
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 > by sensing features on the record carrier other than the transducing track
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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