FR1153479A - Field modulating lamp - Google Patents

Field modulating lamp

Info

Publication number: FR1153479A
Authority: FR; France
Prior art keywords: field modulating; modulating lamp; lamp; field; modulating
Prior art date: 1955-05-12
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.)

Telefunken AG

Original Assignee

Telefunken AG

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.)

1955-05-12

Filing date

1956-05-11

Publication date

1958-03-11

1956-05-11 Application filed by Telefunken AG filed Critical Telefunken AG

1958-03-11 Application granted granted Critical

1958-03-11 Publication of FR1153479A publication Critical patent/FR1153479A/en

Status Expired legal-status Critical Current

Classifications

- 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
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
- H01J25/36—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field
- H01J25/38—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field the forward travelling wave being utilised

FR1153479D 1955-05-12 1956-05-11 Field modulating lamp Expired FR1153479A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DET10921A DE1209662B (en)	1955-05-12	1955-05-12	Constructive structure of a Lauffeld spiral tube

Publications (1)

Publication Number	Publication Date
FR1153479A true FR1153479A (en)	1958-03-11

Family

ID=7546548

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1153479D Expired FR1153479A (en)	1955-05-12	1956-05-11	Field modulating lamp

Country Status (5)

Country	Link
US (1)	US2876379A (en)
DE (1)	DE1209662B (en)
FR (1)	FR1153479A (en)
GB (1)	GB798622A (en)
NL (1)	NL207090A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL273040A (en) *	1958-03-18
GB869714A (en) *	1958-12-17	1961-06-07	Mullard Ltd	Travelling-wave tubes
US3242375A (en) *	1961-06-19	1966-03-22	Litton Prec Products Inc	Helix support
CN114487074B (en) *	2022-01-27	2023-06-09	中国科学院空天信息创新研究院	Structure and preparation method for analyzing residual gas after aging of space traveling wave tube

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL172734C (en) *	1951-10-02		Krupp Gmbh	METHOD AND DEVICE FOR ACHIEVING A CLOSE LOCATION OF THE METAL SHEET LAYERS IN THE MANUFACTURE OF A CYLINDER-SHAPED PRESSURE RESERVOIR.
US2790105A (en) *	1951-11-01	1957-04-23	Bell Telephone Labor Inc	Traveling wave tubes
US2740068A (en) *	1951-12-28	1956-03-27	Bell Telephone Labor Inc	Traveling wave electron discharge device
US2765421A (en) *	1952-02-08	1956-10-02	Bell Telephone Labor Inc	Electron discharge devices
NL196804A (en) *	1954-04-29

0
- NL NL207090D patent/NL207090A/xx unknown
1955
- 1955-05-12 DE DET10921A patent/DE1209662B/en active Pending
1956
- 1956-05-09 US US583669A patent/US2876379A/en not_active Expired - Lifetime
- 1956-05-11 FR FR1153479D patent/FR1153479A/en not_active Expired
- 1956-05-14 GB GB14877/56A patent/GB798622A/en not_active Expired

Also Published As

Publication number	Publication date
DE1209662B (en)	1966-01-27
NL207090A (en)
US2876379A (en)	1959-03-03
GB798622A (en)	1958-07-23

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