US2416661A - Dispenser type cathode electric discharge device - Google Patents

Dispenser type cathode electric discharge device Download PDF

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Publication number
US2416661A
US2416661A US488825A US48882543A US2416661A US 2416661 A US2416661 A US 2416661A US 488825 A US488825 A US 488825A US 48882543 A US48882543 A US 48882543A US 2416661 A US2416661 A US 2416661A
Authority
US
United States
Prior art keywords
anode
cathode
grid
discharge device
dispenser element
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
US488825A
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English (en)
Inventor
Elliott J Lawton
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.)
General Electric Co
Original Assignee
General Electric Co
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
Priority to BE477491D priority Critical patent/BE477491A/xx
Application filed by General Electric Co filed Critical General Electric Co
Priority to US488825A priority patent/US2416661A/en
Application granted granted Critical
Publication of US2416661A publication Critical patent/US2416661A/en
Priority to FR943074D priority patent/FR943074A/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/50—Thermionic-cathode tubes
    • H01J17/52—Thermionic-cathode tubes with one cathode and one anode
    • H01J17/54—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes

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  • Discharge Lamp (AREA)
US488825A 1943-05-28 1943-05-28 Dispenser type cathode electric discharge device Expired - Lifetime US2416661A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE477491D BE477491A (xx) 1943-05-28
US488825A US2416661A (en) 1943-05-28 1943-05-28 Dispenser type cathode electric discharge device
FR943074D FR943074A (fr) 1943-05-28 1947-03-12 Perfectionnements aux tubes à décharge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US488825A US2416661A (en) 1943-05-28 1943-05-28 Dispenser type cathode electric discharge device

Publications (1)

Publication Number Publication Date
US2416661A true US2416661A (en) 1947-02-25

Family

ID=23941276

Family Applications (1)

Application Number Title Priority Date Filing Date
US488825A Expired - Lifetime US2416661A (en) 1943-05-28 1943-05-28 Dispenser type cathode electric discharge device

Country Status (3)

Country Link
US (1) US2416661A (xx)
BE (1) BE477491A (xx)
FR (1) FR943074A (xx)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2491425A (en) * 1946-01-26 1949-12-13 Raytheon Mfg Co Electrode structure for gaseous discharge devices
US2592556A (en) * 1947-09-25 1952-04-15 Kenneth J Germeshausen Gaseous-discharge device
US2624024A (en) * 1949-10-26 1952-12-30 Hartford Nat Bank & Trust Co Cathode for use in electron discharge tubes
US2640949A (en) * 1951-02-07 1953-06-02 Atomic Energy Commission Electron source
US2678403A (en) * 1946-05-03 1954-05-11 Us Navy Grid probe structure
US2757308A (en) * 1954-01-28 1956-07-31 Gera Corp Emissive cathode
US2925514A (en) * 1952-04-09 1960-02-16 Philips Corp Thermionic cathode
US3201639A (en) * 1955-02-09 1965-08-17 Philips Corp Thermionic dispenser cathode
US3250943A (en) * 1961-02-10 1966-05-10 Thorn Electrical Ind Ltd Braided thermionic cathode having emissive material
US3439210A (en) * 1966-01-03 1969-04-15 Hughes Aircraft Co Thermionic emission cathode having reduced frontal area and enlarged emission area for ion bombardment environment
US3461334A (en) * 1967-02-27 1969-08-12 Westinghouse Electric Corp Ceramic discharge lamp

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1591129A (en) * 1924-04-10 1926-07-06 Philips Nv Electric discharge tube
US2246176A (en) * 1938-11-30 1941-06-17 Gen Electric Thermionic discharge device
US2317222A (en) * 1941-03-20 1943-04-20 Bell Telephone Labor Inc Electron discharge device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1591129A (en) * 1924-04-10 1926-07-06 Philips Nv Electric discharge tube
US2246176A (en) * 1938-11-30 1941-06-17 Gen Electric Thermionic discharge device
US2317222A (en) * 1941-03-20 1943-04-20 Bell Telephone Labor Inc Electron discharge device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2491425A (en) * 1946-01-26 1949-12-13 Raytheon Mfg Co Electrode structure for gaseous discharge devices
US2678403A (en) * 1946-05-03 1954-05-11 Us Navy Grid probe structure
US2592556A (en) * 1947-09-25 1952-04-15 Kenneth J Germeshausen Gaseous-discharge device
US2624024A (en) * 1949-10-26 1952-12-30 Hartford Nat Bank & Trust Co Cathode for use in electron discharge tubes
US2640949A (en) * 1951-02-07 1953-06-02 Atomic Energy Commission Electron source
US2925514A (en) * 1952-04-09 1960-02-16 Philips Corp Thermionic cathode
US2757308A (en) * 1954-01-28 1956-07-31 Gera Corp Emissive cathode
US3201639A (en) * 1955-02-09 1965-08-17 Philips Corp Thermionic dispenser cathode
US3250943A (en) * 1961-02-10 1966-05-10 Thorn Electrical Ind Ltd Braided thermionic cathode having emissive material
US3439210A (en) * 1966-01-03 1969-04-15 Hughes Aircraft Co Thermionic emission cathode having reduced frontal area and enlarged emission area for ion bombardment environment
US3461334A (en) * 1967-02-27 1969-08-12 Westinghouse Electric Corp Ceramic discharge lamp

Also Published As

Publication number Publication date
FR943074A (fr) 1949-02-25
BE477491A (xx)

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