CH221439A - Elektrische Entladungsröhre zum Erzeugen von Ultrahochfrequenzschwingungen. - Google Patents

Elektrische Entladungsröhre zum Erzeugen von Ultrahochfrequenzschwingungen.

Info

Publication number
CH221439A
CH221439A CH221439DA CH221439A CH 221439 A CH221439 A CH 221439A CH 221439D A CH221439D A CH 221439DA CH 221439 A CH221439 A CH 221439A
Authority
CH
Switzerland
Prior art keywords
high frequency
discharge tube
electric discharge
frequency oscillations
generating ultra
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH221439A publication Critical patent/CH221439A/de

Links

Classifications

    • 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
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
    • H03B5/1817—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a cavity resonator
    • H03B5/1835—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a cavity resonator the active element in the amplifier being a vacuum tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H01J21/06—Tubes with a single discharge path having electrostatic control means only
    • H01J21/08—Tubes with a single discharge path having electrostatic control means only with movable electrode or electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • 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
    • 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
CH221439D 1939-09-30 1941-05-10 Elektrische Entladungsröhre zum Erzeugen von Ultrahochfrequenzschwingungen. CH221439A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US297224A US2288812A (en) 1939-09-30 1939-09-30 Electron discharge device

Publications (1)

Publication Number Publication Date
CH221439A true CH221439A (de) 1942-05-31

Family

ID=23145393

Family Applications (1)

Application Number Title Priority Date Filing Date
CH221439D CH221439A (de) 1939-09-30 1941-05-10 Elektrische Entladungsröhre zum Erzeugen von Ultrahochfrequenzschwingungen.

Country Status (3)

Country Link
US (1) US2288812A (en(2012))
CH (1) CH221439A (en(2012))
NL (1) NL62591C (en(2012))

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR954568A (en(2012)) * 1942-05-09 1950-01-03
BE475640A (en(2012)) * 1942-12-31
FR954569A (en(2012)) * 1943-02-02 1950-01-03
US2429295A (en) * 1943-03-13 1947-10-21 Westinghouse Electric Corp Tuning means for magnetrons
US2439942A (en) * 1944-11-20 1948-04-20 William C Marshall Movable electrode tube
FR2255698B1 (en(2012)) * 1973-12-21 1977-08-19 Thomson Csf
JP2003139460A (ja) * 2001-11-01 2003-05-14 Abi:Kk 変動磁場発生装置、冷凍装置および均一な変動磁場の発生方法

Also Published As

Publication number Publication date
US2288812A (en) 1942-07-07
NL62591C (en(2012))

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