Tuners Patents (Class 334)
- Tuner switch rockable for fine tuning (Class 334/48)
- Disk-type turret tuner (Class 334/49)
- Drum or cylinder-type turret tuner (Class 334/50)
- Switch operated by variable tuning means (Class 334/52)
- Rectilinearly operated switch (Class 334/54)
- Capacitor only modified or substituted by switching (Class 334/55)
- Inductor only modified or substituted by switching (Class 334/56)
- Tuned transformer circuit substituted by switching (Class 334/59)