US2542966A - High-frequency-electrical oscillator - Google Patents

High-frequency-electrical oscillator Download PDF

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Publication number
US2542966A
US2542966A US407680A US40768041A US2542966A US 2542966 A US2542966 A US 2542966A US 407680 A US407680 A US 407680A US 40768041 A US40768041 A US 40768041A US 2542966 A US2542966 A US 2542966A
Authority
US
United States
Prior art keywords
space
anode
cathode
cavities
resonators
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 - Lifetime
Application number
US407680A
Other languages
English (en)
Inventor
Randall John Turton
Boot Henry Albert Howard
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.)
Teledyne UK Ltd
Original Assignee
English Electric Valve Co Ltd
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 English Electric Valve Co Ltd filed Critical English Electric Valve Co Ltd
Application granted granted Critical
Publication of US2542966A publication Critical patent/US2542966A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H03B9/00—Generation of oscillations using transit-time effects
    • H03B9/01—Generation of oscillations using transit-time effects using discharge tubes
    • H03B9/10—Generation of oscillations using transit-time effects using discharge tubes using a magnetron
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
    • H01J25/52—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
    • H01J25/58—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode having a number of resonators; having a composite resonator, e.g. a helix
    • H01J25/587—Multi-cavity magnetrons

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  • Microwave Tubes (AREA)
US407680A 1940-08-22 1941-08-20 High-frequency-electrical oscillator Expired - Lifetime US2542966A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB266782X 1940-08-22

Publications (1)

Publication Number Publication Date
US2542966A true US2542966A (en) 1951-02-20

Family

ID=10247450

Family Applications (1)

Application Number Title Priority Date Filing Date
US407680A Expired - Lifetime US2542966A (en) 1940-08-22 1941-08-20 High-frequency-electrical oscillator

Country Status (6)

Country Link
US (1) US2542966A (sr)
BE (1) BE465477A (sr)
CH (1) CH266782A (sr)
FR (1) FR926888A (sr)
GB (1) GB588185A (sr)
NL (1) NL78079C (sr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2616063A (en) * 1942-04-09 1952-10-28 M O Valve Co Ltd Magnetron
US2635210A (en) * 1946-03-01 1953-04-14 Millman Sidney Magnetron
US3491291A (en) * 1966-06-27 1970-01-20 Beloit Iron Works Resonant loop single conductor surface wave device
US3509452A (en) * 1965-05-21 1970-04-28 Beloit Corp Microwave hygrometer having a helical surface wave transmission line

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL78079C (sr) * 1940-08-22
US2648028A (en) * 1941-08-22 1953-08-04 English Electric Valve Co Ltd Magnetron
US2595677A (en) * 1948-05-27 1952-05-06 Rca Corp Electron discharge device
US2714178A (en) * 1951-05-26 1955-07-26 Raytheon Mfg Co Tunable magnetrons

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2063342A (en) * 1934-12-08 1936-12-08 Bell Telephone Labor Inc Electron discharge device
GB509102A (en) * 1937-10-08 1939-07-11 Electricitatsgesellschaft Sani Improvements in vacuum electric discharge apparatus
US2217745A (en) * 1934-03-20 1940-10-15 Rca Corp Ultra high frequency oscillation circuits
GB588185A (en) * 1940-08-22 1947-05-16 John Turton Randall Improvements in high frequency electrical oscillators

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2217745A (en) * 1934-03-20 1940-10-15 Rca Corp Ultra high frequency oscillation circuits
US2063342A (en) * 1934-12-08 1936-12-08 Bell Telephone Labor Inc Electron discharge device
GB509102A (en) * 1937-10-08 1939-07-11 Electricitatsgesellschaft Sani Improvements in vacuum electric discharge apparatus
US2305781A (en) * 1937-10-08 1942-12-22 Helbig Adolf Vacuum electric apparatus
GB588185A (en) * 1940-08-22 1947-05-16 John Turton Randall Improvements in high frequency electrical oscillators

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2616063A (en) * 1942-04-09 1952-10-28 M O Valve Co Ltd Magnetron
US2635210A (en) * 1946-03-01 1953-04-14 Millman Sidney Magnetron
US3509452A (en) * 1965-05-21 1970-04-28 Beloit Corp Microwave hygrometer having a helical surface wave transmission line
US3491291A (en) * 1966-06-27 1970-01-20 Beloit Iron Works Resonant loop single conductor surface wave device

Also Published As

Publication number Publication date
GB588185A (en) 1947-05-16
BE465477A (sr)
NL78079C (sr)
FR926888A (fr) 1947-10-14
CH266782A (de) 1950-02-15

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