Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Main Group
G11B 13/00

Recording simultaneously or selectively by methods covered by different main groups ; Record carriers therefor ; Reproducing therefrom

Introduced: September 1968

Title

Titles differ between systems:

IPC: Recording simultaneously or selectively by methods or means covered by different main groups; Record carriers therefor; Reproducing simultaneously or selectively therefrom

CPC: Recording simultaneously or selectively by methods covered by different main groups ; Record carriers therefor ; Reproducing therefrom

Full Title

Full titles differ between systems:

IPC:

Recording simultaneously or selectively by methods or means covered by different main groups; Record carriers therefor; Reproducing simultaneously or selectively therefrom

CPC:

Recording simultaneously or selectively by methods covered by different main groups ; Record carriers therefor ; Reproducing therefrom

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

Child Classifications

Navigate with arrow keys, Enter to open

  • G11B 13/02 magnetically and by styli IPC+CPC Available in IPC and CPC
  • G11B 13/06 optically and by styli IPC+CPC Available in IPC and CPC
  • G11B 13/08 using near-field interactions or transducing means and at least one other method or means for recording or reproducing since 2000 IPC+CPC Available in IPC and CPC