Tuners Patents (Class 334)
Combined diverse-type tuners (Class 334/1)
Magnetic field-responsive tuner (Class 334/4)
Condition-responsive (e.g., temperature compensation) (Class 334/5)
Push button and/or lever-type mechanically operated tuner (Class 334/7)
Remotely controlled tuner (Class 334/8)
Tuner unit directly responsive to voltage and/or current variation (Class 334/11)
Tuner unit with electromagnetic operator (Class 334/17)
With resonance indicator (Class 334/30)
With reactor element winding and unwinding combined (Class 334/38)
Combined (Class 334/39)
Sensitivity or "q" adjustment means in tuned circuitry (Class 334/40)
With resonant line elements (Class 334/41)
With compressible or deformable-type tuner (Class 334/46)
With switching means (Class 334/47)
Mutual inductance variable means (Class 334/61)
Series tuned circuit (Class 334/64)
Inductor and capacitor both variable (Class 334/65)
Variable inductor tuned (Class 334/71)
Variable capacitor tuned (Class 334/78)
With shielding or housing means (Class 334/85)
With indicator (Class 334/86)
With stop or positioning means (e.g., detents) (Class 334/88)
Miscellaneous (Class 334/89)

Foreign Patent Art Collections

Class-related foreign documents (Class 334/FOR000)