• All sections
• G - Physics
• G11B - Information storage based on relative movement between record carrier and transducer
• G11B 23/20 - Record carriers not specific to the method of recording or reproducingAccessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus with provision for splicing to provide permanent or temporary connections

Patent holdings for IPC class G11B 23/20

Total number of patents in this class: 2

10-year publication summary

Principal owners for this class