by using information signals recorded by the same method as the main recording

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 using information signals recorded by the same method as the main recording

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

Navigate with arrow keys, Enter to open

G11B 27/30 on the same track as the main recording +5 CPC IPC+CPC Available in IPC and CPC
G11B 27/32 on separate auxiliary tracks of the same or an auxiliary record carrier +4 CPC IPC+CPC Available in IPC and CPC