• All sections
• G - Physics
• G11B - Information storage based on relative movement between record carrier and transducer
• G11B 27/17 - IndexingAddressingTiming or synchronisingMeasuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer using electrical sensing means

Patent holdings for IPC class G11B 27/17

Total number of patents in this class: 20

10-year publication summary

Principal owners for this class