Determining or indicating positions of head

Introduced: September 1968

Title

Titles differ between systems:

IPC: Determining or indicating position of head

CPC: Determining or indicating positions of head

Full Title

Full titles differ between systems:

IPC:

Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor > Arrangements of heads > Determining or indicating position of head

CPC:

Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B11/00, take precedence) > Arrangements of heads > Determining or indicating positions of head

No child classifications to compare. This is a leaf node in both IPC and CPC.