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GB499604A - Electron discharge apparatus - Google Patents

Electron discharge apparatus

Info

Publication number
GB499604A
GB499604A GB30379/38A GB3037938A GB499604A GB 499604 A GB499604 A GB 499604A GB 30379/38 A GB30379/38 A GB 30379/38A GB 3037938 A GB3037938 A GB 3037938A GB 499604 A GB499604 A GB 499604A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
flange
space
shell
discharge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB30379/38A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB499604A publication Critical patent/GB499604A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H01J21/04—Tubes with a single discharge path without control means, i.e. diodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/68—Tubes specially designed to act as oscillator with positive grid and retarding field, e.g. for Barkhausen-Kurz oscillators
    • H01J25/70—Tubes specially designed to act as oscillator with positive grid and retarding field, e.g. for Barkhausen-Kurz oscillators with resonator having distributed inductance with capacitance, e.g. Pintsch tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/74—Tubes specially designed to act as transit-time diode oscillators, e.g. monotrons
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B9/00—Generation of oscillations using transit-time effects
    • H03B9/01—Generation of oscillations using transit-time effects using discharge tubes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C7/00—Modulating electromagnetic waves
    • H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Electron Sources, Ion Sources (AREA)

Abstract

499,604. Discharge apparatus. STANDARD TELEPHONES & CABLES, Ltd. Nov. 5, 1937, No. 30379. Convention date, Nov. 7, 1936. [Class 39 (i)] An electron-discharge device, particularly for generating ultra-high frequencies of 3000 megacycles or more, comprises a cylindrical metal shell 11 enclosing a tubular portion 17 coaxial with the shell and having a plane end face 18 serving as an electrode adjacent a metallic plate or diaphragm 15 serving as another electrode, the portion 17 being carried by a flexible disc or flange 19 perpendicular to its axis, the flange 19 being attached to a further disc or flange 12 on the shell 11 by a peripheral sealing ring 20, whereby the spacing between the flanges is adjustable in order to vary the interelectrode capacity and thus the frequency generated. In the form shown, the surface 18 is coated with electron emissive material and heated by a heater 22, the leads to which pass out through a pinch 24. The capacity is varied by a clamp 30 and screws 33. The diaphragm 15 acts as the anode and may be vibrated by polepiece 36 and electromagnet 37, to modulate the frequency generated by the diode ; an electrodynamic or electrostatic drive may also be used. The tubular cathode support has annular grooves 28 to reduce heat losses, and the space within it is placed in communication with the discharge space by holes 29, the whole being evacuated by tube 26. The space behind the diaphragm 15 is separate from the discharge space but is evacuated to the same degree by tube 43.
GB30379/38A 1936-11-07 1937-11-05 Electron discharge apparatus Expired GB499604A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US109650A US2108640A (en) 1936-11-07 1936-11-07 Electron discharge apparatus

Publications (1)

Publication Number Publication Date
GB499604A true GB499604A (en) 1939-01-26

Family

ID=22328817

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30379/38A Expired GB499604A (en) 1936-11-07 1937-11-05 Electron discharge apparatus

Country Status (4)

Country Link
US (1) US2108640A (en)
FR (1) FR829267A (en)
GB (1) GB499604A (en)
NL (1) NL50309C (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2563612A (en) * 1951-08-07 Controlling transmission in
US2416318A (en) * 1942-08-15 1947-02-25 Standard Telephones Cables Ltd Electron discharge device
US2415962A (en) * 1942-10-16 1947-02-18 Westinghouse Electric Corp Automatic switch for ultra high frequency
US2419121A (en) * 1942-10-17 1947-04-15 Westinghouse Electric Corp Tuning means for cavity resonators
GB599677A (en) * 1943-01-06 1948-03-18 Sperry Gyroscope Co Inc Improvements in or relating to a cavity resonator device
US2514428A (en) * 1943-01-06 1950-07-11 Sperry Corp Electronic apparatus of the cavity resonator type
BE474796A (en) * 1943-03-26
US2530373A (en) * 1943-05-04 1950-11-21 Bell Telephone Labor Inc Ultra high frequency electronic device
US2459841A (en) * 1943-06-08 1949-01-25 Glenn F Rouse Cathode
US2454298A (en) * 1943-07-29 1948-11-23 Harold A Zahl Electronic tube
US2640964A (en) * 1945-05-09 1953-06-02 Freedman Samuel Microwave modulation
US2507812A (en) * 1945-08-17 1950-05-16 Cossor Ltd A C Thermionic cathode
US2686890A (en) * 1946-01-15 1954-08-17 Us Navy Klystron tuner
US2659054A (en) * 1946-04-09 1953-11-10 Alford Andrew Transformer for connecting a wave guide to a coaxial line
US2615156A (en) * 1948-02-14 1952-10-21 Rca Corp Frequency modulation of electron discharge devices
US2512859A (en) * 1948-06-29 1950-06-27 Rca Corp Electron discharge power amplifier
US2819421A (en) * 1953-01-21 1958-01-07 Gen Electric Electrode spacing adjustment

Also Published As

Publication number Publication date
NL50309C (en)
US2108640A (en) 1938-02-15
FR829267A (en) 1938-06-17

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