FR996350A - Dispositif amplificateur d'ondes centimétriques - Google Patents

Dispositif amplificateur d'ondes centimétriques

Info

Publication number: FR996350A
Authority: FR; France
Prior art keywords: amplifier device; wave amplifier; centimeter wave; centimeter; wave
Prior art date: 1948-09-30
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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken 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.)

1948-09-30

Filing date

1949-09-28

Publication date

1951-12-18

1949-09-28 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1951-12-18 Application granted granted Critical

1951-12-18 Publication of FR996350A publication Critical patent/FR996350A/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
- H01J25/34—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

FR996350D 1948-09-30 1949-09-28 Dispositif amplificateur d'ondes centimétriques Expired FR996350A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL678723X		1948-09-30

Publications (1)

Publication Number	Publication Date
FR996350A true FR996350A (fr)	1951-12-18

Family

ID=19802367

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR996350D Expired FR996350A (fr)	1948-09-30	1949-09-28	Dispositif amplificateur d'ondes centimétriques

Country Status (4)

Country	Link
US (1)	US2733305A (fr)
DE (1)	DE807963C (fr)
FR (1)	FR996350A (fr)
GB (1)	GB678723A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2849642A (en) *	1953-06-17	1958-08-26	Bell Telephone Labor Inc	Traveling wave amplifier
US2849545A (en) *	1953-07-29	1958-08-26	John T Mendel	Wide band traveling wave amplifier
DE972492C (de) *	1953-12-22	1959-07-30	Siemens Ag	Anordnung zur Anpassung des Eingangs und/oder Ausgangs einer Elektronenroehre fuer sehr kurze Wellen an eine Hohlleitung
US2808470A (en) *	1954-05-18	1957-10-01	Rca Corp	Electron discharge device structures and circuitry therefor
US3050657A (en) *	1955-01-12	1962-08-21	Gen Electric	Slow wave structures
US2985793A (en) *	1955-04-06	1961-05-23	Hughes Aircraft Co	Traveling-wave tube
US2888649A (en) *	1956-01-31	1959-05-26	Raytheon Mfg Co	Traveling wave tube system
NL215519A (fr) *	1956-03-30
US3039089A (en) *	1958-01-27	1962-06-12	Temco Electronics & Missiles C	Radar system
US3084293A (en) *	1959-04-01	1963-04-02	Hughes Aircraft Co	Microwave amplifier
US3119045A (en) *	1961-01-03	1964-01-21	Rca Corp	Electron beam tube with longitudinally partitioned drift tube
US3293482A (en) *	1962-06-21	1966-12-20	Rca Corp	Plural output traveling wave tube
US3366885A (en) *	1963-12-04	1968-01-30	Microwave Ass	Switching system comprising low gain, electron beam coupled helices

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE433819A (fr) *	1937-07-14
BE481452A (fr) *	1939-06-15
NL62817C (fr) *	1940-05-04
FR957330A (fr) *	1940-05-17	1950-02-18
BE469122A (fr) *	1946-01-11		Western Electric Co
FR57746E (fr) *	1947-01-09	1953-05-05
US2578434A (en) *	1947-06-25	1951-12-11	Rca Corp	High-frequency electron discharge device of the traveling wave type
US2541843A (en) *	1947-07-18	1951-02-13	Philco Corp	Electronic tube of the traveling wave type
US2672572A (en) *	1947-07-18	1954-03-16	Philco Corp	Traveling wave tube
US2516944A (en) *	1947-12-18	1950-08-01	Philco Corp	Impedance-matching device
FR959298A (fr) *	1947-12-31	1950-03-28
US2584597A (en) *	1949-01-26	1952-02-05	Sylvania Electric Prod	Traveling wave tube
US2531972A (en) *	1949-02-12	1950-11-28	Csf	Ultra short wave transmitting tube

0
- US US2733305D patent/US2733305A/en not_active Expired - Lifetime
1949
- 1949-09-27 DE DEP55979A patent/DE807963C/de not_active Expired
- 1949-09-27 GB GB24749/49A patent/GB678723A/en not_active Expired
- 1949-09-28 FR FR996350D patent/FR996350A/fr not_active Expired

Also Published As

Publication number	Publication date
DE807963C (de)	1951-07-09
GB678723A (en)	1952-09-10
US2733305A (en)	1956-01-31

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