USRE14572E - Ments - Google Patents

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Publication number
USRE14572E
USRE14572E US RE14572 E USRE14572 E US RE14572E
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US
United States
Prior art keywords
electrode
cathode
repeater
input
electrodes
Prior art date
Application number
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English (en)
Inventor
Alexander Molean Nicolson
Original Assignee
Ments
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  • the vacuum tube 4 is the usual press or Be it known that I, ALEXANDER McLnAN squash 5 from which arise the arbors or sup- Nrconson, a subject of the King of Great porting rods 6 and'7..
  • From the other arbor extends a ments in Thermionic Repeaters, of which the supporting connection 9 to the electrode 1.
  • the invention relates to thermionic re- Referring to the drawing, the input eleceaters such as audions, and its object is to trode is shown in the form of two parallel 65 improve the efiiciency thereof wires 1, 1 electrically connected together, or
  • ode is a heated filament 2 entwined about the tact electrically is brought about, in accordtwo forks or wires 1, 1, thus presenting a ance xwith the present invention, by arranglarge, active area.
  • the output electrode is ing them 'on opposite sides of, and preferin the form of two plates 3, 3 parallel to each ably touching the opposing surfaces of a other and to the plane of the two wires 1, 1 80 dielectric film. Furthermore, the interposed and upon opposite sides thereof.
  • the two film is greatly beneficial .in that it enables plates 3, 3 are electrically connected tothe amplifying efiicieney of the audion to gether, and since the audion shown is of the be increased by permitting the input elechigh-current :output type, i said lates are trode to be insulatively supported in exceedplaced near to the filament.
  • the input elec- '85 ingly close relationship to the cathode.
  • the input electrode preferlieved to be the. best type of thermionic re- 95 ably consists of one or more wires having an peaterj
  • t e p insulating coating and the insulatingcoatinvention is not limited to the particular ing preferably consists of a thin 1m of structure herein illustrated but may be 'nickelous oxid, such coating having been found useful in modified forms or types of found in practice to be a good dielectric for thermionic repeaters. 100 the purposes of this'invention. What is claimed is:
  • putleb ect-rode an output electrode
  • a helicalg electrode adaptedto serve as-a-source of electrons, said input electrode being .su r-' rounded by said helical electrode and sand output electrode being located outside ,of
  • I I Athermionic repeater having its input electrode and cathode entwined.
  • Athermionic repeater having its cathode. wound uponits. input electrode.
  • a thermionic-repeater having its input electrodelinthe form of a plurality (if-wires and having its cathode entwined about said wires.
  • Athermionic repeater having'its input electrode in the. form of a. plural ty of arallelwires' and its cathode entwined a out said i 3 a .10.
  • a thermionic repeater having its Input cathod ewentwmed' upon, said electrode.
  • I Athermion c repeater having its input electrode; coated with nickelous'.oxid and its I hode in contact with "Said o0atedeledtrode.
  • a thermionic repeater having its input electrode coated'with an oxid and o eentwi-nd upon said electrode.
  • I a helical filamentary cathode 'located'between the other two electrodes.
  • a th ode,-one of said elements being coated with an oxid and'the the coatedelement.
  • ermiomc repeater having an inrepeater having an input electrode andfa cathode arranged so permit the interposition of a thinfilm only,
  • A-thermionic repeater having an input. electrode and a cathode in immediate roximity to each other, and one supported, I
  • a thermionic repeater having an in put electrode and a cathode, and a covering f insulating material carried by one of said with which the other element contacts.
  • a thermionic repeater having its cathode arranged between its input and output I. I I des, and an interposed dielectric'be tween said cathode and said input electrode.
  • a thermionic repeater comprising an an output electrode and a; cat ode, said input electrode and said cathode being separated by an interposed dielec- I and said output electrode and said cathode being separated by vacuous space. I '26,.
  • thermoelectric repeater having its in-' put electrode surrounded by its cathode and thermlonlc repeater having a heli' cal electrode in close proximity to and held out of electrical contact with another elec I of electrodes in Immediate proxnnlty to each one of said ele- I inents being coated with a dielectric and the an interposed dielectric;
  • ermionic device 1 comprising an electrode surroundedbya cathode and an anod'e outside of'said cathode.
  • a space current device comprising a f pluralityof'electrodes, one of which is in sulatingly snppo'rted by another electrode.
  • I insulating material support/ed.- bysaid electrode and another electrodesupported by said insulating material.
  • vacuum tube type comprising I an hode and a control output electrode, a, electrode, one of said a electrodes being insulatingly-supported by another of said electr as. .4.
  • vacuumtube deviceof the .audion 13 t at electrical device of the audion type comprising a pair of plate electrodes with a filamentary electrode and an auxiliary electrode located between the electrodes 'of said pair, said filamentary electrode being another of said with a filamentary electrode and an auxil-.
  • said filamentary electrode being insulatingly supported by 'said auxiliary electrode.
  • An evacuated vessel comprising an arbor, a pair of plate electrodes laterally disposed from said arbor and supported thereby, and an electrode between said plate electrodes.
  • An evacuated ,vessel comprising an arbor, a pair of plate electrodes laterally disposed from said arbor and supported thereby, and cathode and control electrodes located between the members of said pair.
  • An evacuated vessel comprising a pair of spaced parallel arbor-s, cathode, plate, and control electrodes, said electrodes being located between said arbors, and supported thereby.
  • a vacuum tube device comprising a press, a pair of spaced parallel rods arising from said press. trodes including a cathode located between said rods and supported thereby.
  • a vacuum tube device comprising a press, a pair'of spaced parallel arbors arising therefrom, a plurality of electrodes comprising a cathode, an input electrode and a plate electrode located between said arbors, and supporting arms connecting said arbors and said electrodes.
  • a vacuum tube device of the audion type comprising a plurality of electrodes, one of which is supported by another.
  • a vacuum tube device comprising an arbor, an electrode supported thereby, and another electrode supported by said first mentioned electrode.
  • a vacuum tube device comprising anode and control electrodes, and a filaand more than two elec-.
  • a vacuum tube device comprising anode and control electrodes, and a filamentary cathode insulatingly supported by said control electrode.
  • a thermionic device comprising a helical filamentary cathode, anode surfaces at opposite sides of said cathode, and a control electrode between said anode surfaces and adjacent said cathode.
  • An evacuated vessel containing a cathode forming a hollow cylinder, an anode outside of said cylinder, and a control electrode adjacent said electrodes.
  • An evacuated vessel containing a press, a straight wire supported above said press, a helical electrode supported by said wire, and a coiiperating anode.
  • An evacuated vessel containing a press, a straight wire supported above said press, a helical cathode supported by said wire, and an anode associated with said cathode.
  • An evacuated vessel containing a press, a straight wire supported above said press, a'helical cathode surrounding said wire and supported thereby, and a coiiperating anode.
  • a thermionic device comprising an evacuated vessel, a pair of parallel plate electrode surfaces, a plurality of arallel wires therebetween, and a helicale ectrode mounted on said wires.
  • An evacuated vessel comprising a prom, a plurality of arallel wires support a helical elecat opposite sides of, said electrode, and lead wires in said press for said electrodes.

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