FR943339A - Perfectionnements aux magnétrons - Google Patents

Perfectionnements aux magnétrons

Info

Publication number: FR943339A
Authority: FR; France
Prior art keywords: refinements; magnetron; magnetron refinements
Prior art date: 1946-03-16
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

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.)

RCA Corp

Original Assignee

RCA Corp

Radio Corporation of America

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.)

1946-03-16

Filing date

1947-03-15

Publication date

1949-03-04

1947-03-15 Application filed by RCA Corp, Radio Corporation of America filed Critical RCA Corp

1949-03-04 Application granted granted Critical

1949-03-04 Publication of FR943339A publication Critical patent/FR943339A/fr

Status Expired legal-status Critical Current

Classifications

- 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
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/04—Cathodes
- H01J23/05—Cathodes having a cylindrical emissive surface, e.g. cathodes for magnetrons

FR943339D 1946-03-16 1947-03-15 Perfectionnements aux magnétrons Expired FR943339A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US654934A US2592206A (en)	1946-03-16	1946-03-16	Magnetron

Publications (1)

Publication Number	Publication Date
FR943339A true FR943339A (fr)	1949-03-04

Family

ID=24626812

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR943339D Expired FR943339A (fr)	1946-03-16	1947-03-15	Perfectionnements aux magnétrons

Country Status (5)

Country	Link
US (1)	US2592206A (fr)
BE (1)	BE471896A (fr)
FR (1)	FR943339A (fr)
GB (1)	GB640255A (fr)
NL (1)	NL67823C (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2784346A (en) *	1950-01-28	1957-03-05	Rca Corp	Electron discharge device
NL171019B (nl) *	1951-07-12		Consiglio Nazionale Ricerche	Membranen voor omgekeerde osmose.
US2992360A (en) *	1953-05-13	1961-07-11	Csf	Suppressor device for the secondary emission current in magnetic field electronic tubes
US2869031A (en) *	1955-03-01	1959-01-13	Brett Herbert	Cathode
GB1009870A (en) *	1961-04-27	1965-11-17	Gen Electric	Crossed-field electric discharge tube
US3315121A (en) *	1961-04-27	1967-04-18	Gen Electric	Crossed-field electric discharge device
US3413516A (en) *	1965-08-30	1968-11-26	Gen Electric	Crossed-field discharge devices and oscillators and amplifiers incorporating the same
US3458753A (en) *	1965-08-30	1969-07-29	Gen Electric	Crossed-field discharge devices and couplers therefor and oscillators and amplifiers incorporating the same
GB2029632B (en) *	1978-09-02	1982-08-11	English Electric Valve Co Ltd	Magnetrons
JPH0760641B2 (ja) *	1985-02-06	1995-06-28	新日本無線株式会社	マグネトロン用陰極
JP4286406B2 (ja)	1999-02-10	2009-07-01	新日本無線株式会社	マグネトロン用陰極

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2130280A (en) *	1933-04-12	1938-09-13	Telefunken Gmbh	Electron discharge tube
US2032179A (en) *	1933-04-12	1936-02-25	Westinghouse Electric & Mfg Co	Oxide coated cathode for heavy duty service
NL43310C (fr) *	1934-12-29
US2225259A (en) *	1937-06-28	1940-12-17	Julius Pintsch Kommandit Ges	Ultra-high-frequency generator
DE699482C (de) *	1937-08-24	1940-11-29	Telefunken Gmbh	Magnetfeldroehre mit ausserhalb des Anodenzylinders befindlichen Elektronenquellen
US2138918A (en) *	1938-03-24	1938-12-06	Rca Corp	Cathode
US2358542A (en) *	1940-07-26	1944-09-19	Rca Corp	Currentless grid tube
US2411601A (en) *	1941-09-30	1946-11-26	Raytheon Mfg Co	Electronic discharge device
US2409038A (en) *	1942-12-31	1946-10-08	Rca Corp	Magnetron and circuit therefor

0
- NL NL67823D patent/NL67823C/xx active
- BE BE471896D patent/BE471896A/xx unknown
1946
- 1946-03-16 US US654934A patent/US2592206A/en not_active Expired - Lifetime
1947
- 1947-03-15 FR FR943339D patent/FR943339A/fr not_active Expired
- 1947-03-17 GB GB7363/47A patent/GB640255A/en not_active Expired

Also Published As

Publication number	Publication date
NL67823C (fr)
GB640255A (en)	1950-07-19
BE471896A (fr)
US2592206A (en)	1952-04-08

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