• All sections
• H - Electricity
• H03J - Tuning resonant circuitsselecting resonant circuits
• H03J 3/26 - Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning the circuits being coupled so as to form a bandpass filter

Patent holdings for IPC class H03J 3/26

Total number of patents in this class: 4

10-year publication summary

Principal owners for this class