FR48401E - Secondary emission tube oscillator - Google Patents

Secondary emission tube oscillator

Info

Publication number
FR48401E
FR48401E FR48401DA FR48401E FR 48401 E FR48401 E FR 48401E FR 48401D A FR48401D A FR 48401DA FR 48401 E FR48401 E FR 48401E
Authority
FR
France
Prior art keywords
secondary emission
emission tube
tube oscillator
oscillator
tube
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
Other languages
French (fr)
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR48401E publication Critical patent/FR48401E/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B9/00Generation of oscillations using transit-time effects
    • H03B9/01Generation of oscillations using transit-time effects using discharge tubes
    • H03B9/10Generation of oscillations using transit-time effects using discharge tubes using a magnetron
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/50Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/76Dynamic electron-multiplier tubes, e.g. Farnsworth multiplier tube, multipactor
FR48401D 1936-04-20 1937-04-23 Secondary emission tube oscillator Expired FR48401E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE494230X 1936-04-20
DE2138920X 1936-04-23

Publications (1)

Publication Number Publication Date
FR48401E true FR48401E (en) 1938-02-08

Family

ID=32043856

Family Applications (3)

Application Number Title Priority Date Filing Date
FR820665D Expired FR820665A (en) 1936-04-20 1937-04-16 Secondary emission tube oscillator
FR48401D Expired FR48401E (en) 1936-04-20 1937-04-23 Secondary emission tube oscillator
FR50605D Expired FR50605E (en) 1936-04-20 1939-05-05 Secondary emission tube oscillator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR820665D Expired FR820665A (en) 1936-04-20 1937-04-16 Secondary emission tube oscillator

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR50605D Expired FR50605E (en) 1936-04-20 1939-05-05 Secondary emission tube oscillator

Country Status (4)

Country Link
US (2) US2138920A (en)
FR (3) FR820665A (en)
GB (1) GB494230A (en)
NL (1) NL56591C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2648028A (en) * 1941-08-22 1953-08-04 English Electric Valve Co Ltd Magnetron
US2624863A (en) * 1945-10-10 1953-01-06 Albert M Clogston Self-modulated magnetron
US2819449A (en) * 1954-01-21 1958-01-07 Rca Corp Magnetron
US4453108A (en) * 1980-11-21 1984-06-05 William Marsh Rice University Device for generating RF energy from electromagnetic radiation of another form such as light

Also Published As

Publication number Publication date
US2138920A (en) 1938-12-06
FR50605E (en) 1941-01-27
FR820665A (en) 1937-11-16
US2171212A (en) 1939-08-29
GB494230A (en) 1938-10-20
NL56591C (en) 1944-07-15

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