• All sections
• G - Physics
• G11B - Information storage based on relative movement between record carrier and transducer
• G11B 7/09 - Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track f

Patent holdings for IPC class G11B 7/09

Total number of patents in this class: 653

10-year publication summary

Principal owners for this class