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Transit-time tubes
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CPC
H01J25/00
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Parent Industries
H
ELECTRICITY
H01
Electric elements
H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
Current Industry
H01J25/00
Transit-time tubes
Sub Industries
H01J25/005
Gas-filled transit-time tubes
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Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
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with an electron stream following a helical path
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Tubes having one or more resonators, without reflection of the electron stream, and in which the modulation produced in the modulator zone is mainly density modulation
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Tubes having only one resonator, without reflection of the electron stream, and in which the modulation produced in the modulator zone is mainly velocity modulation
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with electron stream perpendicular to the axis of the resonator
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Klystrons
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Extended interaction Klystrons
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with pencil-like electron stream in the axis of the resonators
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with tube-like electron stream coaxial with the axis of the resonators
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with pencil-like electron stream perpendicular to the axis of the resonators
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with radial or disc-like electron stream perpendicular to the axis of the resonators
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having special arrangements in the space between resonators
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Reflex Klystrons
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in which the electron stream is in the axis of the resonator or resonators and is pencil-like before reflection
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in which the electron stream is coaxial with the axis of the resonator or resonators and is tube-like before reflection
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in which the electron stream is perpendicular to the axis of the resonator or resonators and is pencil-like before reflection
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in which the electron stream is perpendicular to the axis of the resonator or resonators and is radial or disc-like before reflection
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Tubes with plural reflection
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Travelling-wave tubes Tubes in which a travelling wave is simulated at spaced gaps
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Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field
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the forward travelling wave being utilised
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the backward travelling wave being utilised
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Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and with a magnet system producing an H-field crossing the E-field
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the forward travelling wave being utilised
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the backward travelling wave being utilised
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Tubes in which two electron streams of different velocities interact with one another
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Tubes using the parametric principle
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Magnetrons
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with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
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having only one cavity or other resonator
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Coaxial cavity magnetrons
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with interdigital arrangements of anodes
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having a number of resonators having a composite resonator
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Multi-cavity magnetrons
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Rising-sun magnetrons
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with an electron space having a shape that prevents any electron from moving completely around the cathode or guide electrode Linear magnetrons
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Hybrid tubes
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Strophotrons
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Turbine tubes
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Tubes with electron stream crossing itself and thereby interacting or interfering with itself
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Tubes specially designed to act as oscillator with positive grid and retarding field
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with resonator having distributed inductance with capacitance
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in which a standing wave or a considerable part thereof is produced along an electrode
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Tubes specially designed to act as transit-time diode oscillators
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Dynamic electron-multiplier tubes
H01J25/78
Tubes with electron stream modulated by deflection in a resonator
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