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Class Information
Number: 334
Name: Tuners >
Description: This class includes:










Class Number Class Name No. of Patents
334/1

Combined diverse-type tuners

19
334/3

With mutual tuning element

1
334/2

With plural diverse disk or plural diverse cylinder-type turret tuners

3
334/39

Combined

2
334/5

Condition-responsive (e.g., temperature compensation)

4
334/6

With condition-responsive inductor or capacitor

3
334/65

Inductor and capacitor both variable

4
334/69

Inductor and capacitor simultaneously varied

1
334/70

Core tuned inductor

0
334/66

With variable inductor and capacitor structure in common

1
334/67

Butterfly-type tuner

0
334/68

Rectilinearly movable reactance adjusting elements

0
334/4

Magnetic field-responsive tuner

4
334/89

Miscellaneous

13
334/61

Mutual inductance variable means

4
334/63

Plural coils having common adjustable core

0
334/62

Variometer

0
334/7

Push button and/or lever-type mechanically operated tuner

90
334/8

Remotely controlled tuner

8
334/9

With electromagnetic operator

3
334/10

Solenoid or relay operator

3
334/40

Sensitivity or "q" adjustment means in tuned circuitry

5
334/64

Series tuned circuit

5
334/11

Tuner unit directly responsive to voltage and/or current variation

18
334/14

Reactance tuning

17
334/16

Automatic frequency-centering circuit

22
334/15

Semiconductor reactance circuit

159
334/12

Saturable core-type inductor

7
334/13

Automatic frequency-centering circuit

1
334/17

Tuner unit with electromagnetic operator

2
334/26

Automatic frequency-centering circuit

1
334/28

Plural signal sources

0
334/27

Tool-driven aligning apparatus

0
334/18

Band scanning or selector circuit

5
334/20

Motor-operated

3
334/23

Clutch means

0
334/21

Predetermined frequency selector

2
334/24

Relay-controlled

0
334/25

Plural relays

0
334/22

With reversing means

1
334/19

Solenoid or relay-operated tuner means

1
334/29

Predetermined center frequency selector (e.g., push-button control)

1
334/78

Variable capacitor tuned

22
334/84

Capacitor drive means

3
334/83

Gang-operated capacitors

5
334/81

Rectilinearly sliding plates

4
334/79

Straight-line frequency type

2
334/82

With particular shape and/or arrangement of plates

7
334/80

With variable spacing between plates

5
334/71

Variable inductor tuned

17
334/74

Adjustable core type

16
334/77

Gang-operated

2
334/75

With inductor wound in particular shape

3
334/76

With particular shape and/or type of core

2
334/72

Movable contact adjustable over length of inductor

3
334/73

With capacitor-type contact

0
334/46

With compressible or deformable-type tuner

4
334/86

With indicator

40
334/87

Band-switching

15
334/38

With reactor element winding and unwinding combined

0
334/30

With resonance indicator

2
334/33

Cathode ray type

0
334/34

Magic eye

1
334/35

Plural shadows

0
334/36

Lamp type

4
334/37

Glow discharge

0
334/31

Meter type

0
334/32

With optical and/or shading device

0
334/41

With resonant line elements

9
334/44

Deformable

4
334/42

Plural-operated tuning units

0
334/43

With shaft operator

1
334/45

With lumped capacitor in tuned circuit

23
334/85

With shielding or housing means

44
334/88

With stop or positioning means (e.g., detents)

12
334/47

With switching means

30
334/55

Capacitor only modified or substituted by switching

24
334/49

Disk-type turret tuner

6
334/50

Drum or cylinder-type turret tuner

6
334/51

With vernier tuning means

23
334/56

Inductor only modified or substituted by switching

32
334/57

With vernier tuning means

13
334/58

Variable capacitor

2
334/54

Rectilinearly operated switch

0
334/52

Switch operated by variable tuning means

2
334/53

Rectilinearly operated switch

2
334/59

Tuned transformer circuit substituted by switching

5
334/60

Tuned circuit shorted by switch

5
334/48

Tuner switch rockable for fine tuning

4
 
 
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