Simultaneous tuning of more than one resonator, e.g. resonant cavities of a magnetron

Full Title

Details of transit-time tubes of the types covered by group H01J2225/00 > Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge > Resonators > Cavity resonators; Adjustment or tuning thereof > Simultaneous tuning of more than one resonator, e.g. resonant cavities of a magnetron