USPC Patent Classifications

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Class 334 tuners
uspcdescription
334/1334 tuners/(1) combined diverse-type tuners
334/2334 tuners/(1) combined diverse-type tuners (2) with plural diverse disk or plural diverse cylinder-type turret tuners
334/3334 tuners/(1) combined diverse-type tuners (3) with mutual tuning element
334/4334 tuners/(4) magnetic field-responsive tuner
334/5334 tuners/(5) condition-responsive (e.g., temperature compensation)
334/6334 tuners/(5) condition-responsive (e.g., temperature compensation) (6) with condition-responsive inductor or capacitor
334/7334 tuners/(7) push button and/or lever-type mechanically operated tuner
334/8334 tuners/(8) remotely controlled tuner
334/9334 tuners/(8) remotely controlled tuner (9) with electromagnetic operator
334/10334 tuners/(8) remotely controlled tuner (9) with electromagnetic operator (10) solenoid or relay operator
334/11334 tuners/(11) tuner unit directly responsive to voltage and/or current variation
334/12334 tuners/(11) tuner unit directly responsive to voltage and/or current variation (12) saturable core-type inductor
334/13334 tuners/(11) tuner unit directly responsive to voltage and/or current variation (12) saturable core-type inductor (13) automatic frequency-centering circuit
334/14334 tuners/(11) tuner unit directly responsive to voltage and/or current variation (14) reactance tuning
334/15334 tuners/(11) tuner unit directly responsive to voltage and/or current variation (14) reactance tuning (15) semiconductor reactance circuit
334/16334 tuners/(11) tuner unit directly responsive to voltage and/or current variation (14) reactance tuning (16) automatic frequency-centering circuit
334/17334 tuners/(17) tuner unit with electromagnetic operator
334/18334 tuners/(17) tuner unit with electromagnetic operator (18) band scanning or selector circuit
334/19334 tuners/(17) tuner unit with electromagnetic operator (18) band scanning or selector circuit (19) solenoid or relay-operated tuner means
334/20334 tuners/(17) tuner unit with electromagnetic operator (18) band scanning or selector circuit (20) motor-operated
334/21334 tuners/(17) tuner unit with electromagnetic operator (18) band scanning or selector circuit (20) motor-operated (21) predetermined frequency selector
334/22334 tuners/(17) tuner unit with electromagnetic operator (18) band scanning or selector circuit (20) motor-operated (22) with reversing means
334/23334 tuners/(17) tuner unit with electromagnetic operator (18) band scanning or selector circuit (20) motor-operated (23) clutch means
334/24334 tuners/(17) tuner unit with electromagnetic operator (18) band scanning or selector circuit (20) motor-operated (24) relay-controlled
334/25334 tuners/(17) tuner unit with electromagnetic operator (18) band scanning or selector circuit (20) motor-operated (24) relay-controlled (25) plural relays
334/26334 tuners/(17) tuner unit with electromagnetic operator (26) automatic frequency-centering circuit
334/27334 tuners/(17) tuner unit with electromagnetic operator (26) automatic frequency-centering circuit (27) tool-driven aligning apparatus
334/28334 tuners/(17) tuner unit with electromagnetic operator (26) automatic frequency-centering circuit (28) plural signal sources
334/29334 tuners/(17) tuner unit with electromagnetic operator (29) predetermined center frequency selector (e.g., push-button control)
334/30334 tuners/(30) with resonance indicator
334/31334 tuners/(30) with resonance indicator (31) meter type
334/32334 tuners/(30) with resonance indicator (31) meter type (32) with optical and/or shading device
334/33334 tuners/(30) with resonance indicator (33) cathode ray type
334/34334 tuners/(30) with resonance indicator (33) cathode ray type (34) magic eye
334/35334 tuners/(30) with resonance indicator (33) cathode ray type (34) magic eye (35) plural shadows
334/36334 tuners/(30) with resonance indicator (36) lamp type
334/37334 tuners/(30) with resonance indicator (36) lamp type (37) glow discharge
334/38334 tuners/(38) with reactor element winding and unwinding combined
334/39334 tuners/(39) combined
334/40334 tuners/(40) sensitivity or "q" adjustment means in tuned circuitry
334/41334 tuners/(41) with resonant line elements
334/42334 tuners/(41) with resonant line elements (42) plural-operated tuning units
334/43334 tuners/(41) with resonant line elements (42) plural-operated tuning units (43) with shaft operator
334/44334 tuners/(41) with resonant line elements (44) deformable
334/45334 tuners/(41) with resonant line elements (45) with lumped capacitor in tuned circuit
334/46334 tuners/(46) with compressible or deformable-type tuner
334/47334 tuners/(47) with switching means
334/48334 tuners/(47) with switching means (48) tuner switch rockable for fine tuning
334/49334 tuners/(47) with switching means (49) disk-type turret tuner
334/50334 tuners/(47) with switching means (50) drum or cylinder-type turret tuner
334/51334 tuners/(47) with switching means (50) drum or cylinder-type turret tuner (51) with vernier tuning means
334/52334 tuners/(47) with switching means (52) switch operated by variable tuning means
334/53334 tuners/(47) with switching means (52) switch operated by variable tuning means (53) rectilinearly operated switch
334/54334 tuners/(47) with switching means (54) rectilinearly operated switch
334/55334 tuners/(47) with switching means (55) capacitor only modified or substituted by switching
334/56334 tuners/(47) with switching means (56) inductor only modified or substituted by switching
334/57334 tuners/(47) with switching means (56) inductor only modified or substituted by switching (57) with vernier tuning means
334/58334 tuners/(47) with switching means (56) inductor only modified or substituted by switching (57) with vernier tuning means (58) variable capacitor
334/59334 tuners/(47) with switching means (59) tuned transformer circuit substituted by switching
334/60334 tuners/(47) with switching means (59) tuned transformer circuit substituted by switching (60) tuned circuit shorted by switch
334/61334 tuners/(61) mutual inductance variable means
334/62334 tuners/(61) mutual inductance variable means (62) variometer
334/63334 tuners/(61) mutual inductance variable means (63) plural coils having common adjustable core
334/64334 tuners/(64) series tuned circuit
334/65334 tuners/(65) inductor and capacitor both variable
334/66334 tuners/(65) inductor and capacitor both variable (66) with variable inductor and capacitor structure in common
334/67334 tuners/(65) inductor and capacitor both variable (66) with variable inductor and capacitor structure in common (67) butterfly-type tuner
334/68334 tuners/(65) inductor and capacitor both variable (66) with variable inductor and capacitor structure in common (68) rectilinearly movable reactance adjusting elements
334/69334 tuners/(65) inductor and capacitor both variable (69) inductor and capacitor simultaneously varied
334/70334 tuners/(65) inductor and capacitor both variable (69) inductor and capacitor simultaneously varied (70) core tuned inductor
334/71334 tuners/(71) variable inductor tuned
334/72334 tuners/(71) variable inductor tuned (72) movable contact adjustable over length of inductor
334/73334 tuners/(71) variable inductor tuned (72) movable contact adjustable over length of inductor (73) with capacitor-type contact
334/74334 tuners/(71) variable inductor tuned (74) adjustable core type
334/75334 tuners/(71) variable inductor tuned (74) adjustable core type (75) with inductor wound in particular shape
334/76334 tuners/(71) variable inductor tuned (74) adjustable core type (76) with particular shape and/or type of core
334/77334 tuners/(71) variable inductor tuned (74) adjustable core type (77) gang-operated
334/78334 tuners/(78) variable capacitor tuned
334/79334 tuners/(78) variable capacitor tuned (79) straight-line frequency type
334/80334 tuners/(78) variable capacitor tuned (80) with variable spacing between plates
334/81334 tuners/(78) variable capacitor tuned (81) rectilinearly sliding plates
334/82334 tuners/(78) variable capacitor tuned (82) with particular shape and/or arrangement of plates
334/83334 tuners/(78) variable capacitor tuned (83) gang-operated capacitors
334/84334 tuners/(78) variable capacitor tuned (84) capacitor drive means
334/85334 tuners/(85) with shielding or housing means
334/86334 tuners/(86) with indicator
334/87334 tuners/(86) with indicator (87) band-switching
334/88334 tuners/(88) with stop or positioning means (e.g., detents)
334/89334 tuners/(89) miscellaneous

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