FR1137688A - Advanced cathode - Google Patents

Advanced cathode

Info

Publication number
FR1137688A
FR1137688A FR1137688DA FR1137688A FR 1137688 A FR1137688 A FR 1137688A FR 1137688D A FR1137688D A FR 1137688DA FR 1137688 A FR1137688 A FR 1137688A
Authority
FR
France
Prior art keywords
advanced cathode
cathode
advanced
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1137688A publication Critical patent/FR1137688A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/16—Cathodes heated directly by an electric current characterised by the shape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
FR1137688D 1954-10-22 1955-10-21 Advanced cathode Expired FR1137688A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US820065XA 1954-10-22 1954-10-22

Publications (1)

Publication Number Publication Date
FR1137688A true FR1137688A (en) 1957-06-03

Family

ID=22167990

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1137688D Expired FR1137688A (en) 1954-10-22 1955-10-21 Advanced cathode

Country Status (3)

Country Link
DE (1) DE1133041B (en)
FR (1) FR1137688A (en)
GB (1) GB820065A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1146985B (en) * 1960-11-04 1963-04-11 Siemens Ag Semi-indirectly heated cathode for electron tubes

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1208830B (en) * 1963-06-12 1966-01-13 Dr Jakob Bingel Device for generating a high-power electron beam for heating purposes
US4575855A (en) * 1983-07-29 1986-03-11 Sundstrand Optical Technologies, Inc. Ring laser gyro cathode arrangement
GB2268325B (en) * 1992-07-01 1996-01-03 Thorn Emi Electronics Ltd Thermionic cathode structure

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE645937C (en) * 1934-07-04 1937-06-07 Aeg Electrical discharge vessel with indirectly heated cathode
DE693697C (en) * 1934-08-13 1940-07-17 Philips Patentverwaltung Indirectly heated cathode for electrical discharge tubes
US2256297A (en) * 1939-08-31 1941-09-16 Rca Corp Electron discharge device
BE473991A (en) * 1941-06-24
BE478852A (en) * 1942-06-26
FR978463A (en) * 1942-09-14 1951-04-13 Csf Direct heated cathode for velocity modulated tube
DE896394C (en) * 1942-12-25 1953-11-12 Telefunken Gmbh Decimeter wave tube with indirectly heated cathode, which is carried by a tube serving with its outside as part of an oscillating circuit and containing the heating line inside
US2454298A (en) * 1943-07-29 1948-11-23 Harold A Zahl Electronic tube
BE470922A (en) * 1944-01-31
FR959951A (en) * 1944-02-12 1950-04-07
GB587014A (en) * 1944-09-15 1947-04-10 Jack Reed Improvements in or relating to cathodes for electron discharge devices
NL69250C (en) * 1946-03-05
FR1032465A (en) * 1951-02-14 1953-07-02 Radiotechnique Process for manufacturing grid-shaped structures, intended in particular for electrical appliances

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1146985B (en) * 1960-11-04 1963-04-11 Siemens Ag Semi-indirectly heated cathode for electron tubes

Also Published As

Publication number Publication date
DE1133041B (en) 1962-07-12
GB820065A (en) 1959-09-16

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