BE482916A - - Google Patents

Info

Publication number
BE482916A
BE482916A BE482916DA BE482916A BE 482916 A BE482916 A BE 482916A BE 482916D A BE482916D A BE 482916DA BE 482916 A BE482916 A BE 482916A
Authority
BE
Belgium
Application number
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.)
Publication of BE482916A publication Critical patent/BE482916A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
BE482916D 1947-06-05 BE482916A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US752698A US2530394A (en) 1947-06-05 1947-06-05 Electrode coating for discharge devices

Publications (1)

Publication Number Publication Date
BE482916A true BE482916A (enrdf_load_html_response)

Family

ID=25027406

Family Applications (1)

Application Number Title Priority Date Filing Date
BE482916D BE482916A (enrdf_load_html_response) 1947-06-05

Country Status (5)

Country Link
US (1) US2530394A (enrdf_load_html_response)
BE (1) BE482916A (enrdf_load_html_response)
DE (1) DE974434C (enrdf_load_html_response)
FR (1) FR966907A (enrdf_load_html_response)
GB (1) GB655123A (enrdf_load_html_response)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE966927C (de) * 1951-09-23 1957-09-19 Quarzlampen Gmbh Elektrische Hochdruckentladungslampe
BE518639A (enrdf_load_html_response) * 1952-03-24
NL95838C (enrdf_load_html_response) * 1952-04-24
BE524490A (enrdf_load_html_response) * 1952-11-22
BE526330A (enrdf_load_html_response) * 1953-02-09
US3069580A (en) * 1953-10-28 1962-12-18 Sylvania Electric Prod Fluorescent lamp
DE1068380B (enrdf_load_html_response) * 1954-03-01
BE545445A (enrdf_load_html_response) * 1955-02-23
US2935637A (en) * 1957-03-05 1960-05-03 Thomas M Cortese Fluorescent lamp
US5471110A (en) * 1991-12-23 1995-11-28 Philips Electronics North America Corporation High pressure discharge lamp having filament electrodes
JPH06223776A (ja) * 1992-12-02 1994-08-12 Matsushita Electric Works Ltd 蛍光ランプ用電極
NL193963C (nl) * 1994-05-04 2001-03-02 Matsushita Electric Works Ltd Elektrode voor toepassing in een fluorescerende lamp en werkwijze ter vervaardiging daarvan.
WO2005010922A2 (en) * 2003-07-29 2005-02-03 Koninklijke Philips Electronics N.V. Low-pressure mercury vapor discharge lamp having determined probability of failure

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1823984A (en) * 1926-05-13 1931-09-22 Communications Patents Inc Cathode for thermionic devices
BE359097A (enrdf_load_html_response) * 1928-04-13
DE597580C (de) * 1928-05-01 1934-05-26 Osram G M B H Komm Ges Elektrische Leucht- oder Ultraviolett-Bestrahlungsroehre
US1903144A (en) * 1928-06-19 1933-03-28 Electrons Inc Rectifying tube
US1925648A (en) * 1928-09-21 1933-09-05 Hans J Spanner Lighting device
DE627617C (de) * 1928-09-21 1936-03-19 Osram G M B H Zuendvorrichtung fuer elektrische Gasentladungslampen mit langgestrecktem Entladungsweg
US1883898A (en) * 1928-12-14 1932-10-25 Westinghouse Electric & Mfg Co Thermionic cathode
US2097261A (en) * 1929-04-30 1937-10-26 Spanner Hans Joachim Lighting device
DE627520C (de) * 1929-05-05 1936-03-17 Osram G M B H Komm Ges Elektrische Entladungsroehre beliebiger Fuellung mit Gluehelektroden und Entladung durch die positive Saeule
FR694941A (fr) * 1929-07-02 1930-12-09 Tubes à décharge, en particulier tubes luminescents et irradiants
DE624620C (de) * 1929-08-19 1936-01-24 Linde Eismasch Ag Verfahren zur Ausscheidung von Daempfen aus Gasen
NL35601C (enrdf_load_html_response) * 1930-06-16
DE581872C (de) * 1930-06-17 1933-08-04 Osram G M B H Komm Ges Elektrische Entladungsroehre
DE696506C (de) * 1930-12-07 1940-09-23 Osram G M B H Komm Ges Elektrische Hochdruckentladungsroehre fuer Beleuchnd Zusatz eines verdampfbaren Metalls
DE606407C (de) * 1932-12-06 1934-12-01 Patra Patent Treuhand Gluehkathode fuer elektrische Leuchtroehren, die zwei uebereinanderliegende Lagen verschiedener Erdalkalimetalloxyde aufweist
US2249672A (en) * 1936-12-10 1941-07-15 Gen Electric Discharge device
US2238595A (en) * 1938-09-29 1941-04-15 Westinghouse Electric & Mfg Co Oxide coated cathode
BE481787A (enrdf_load_html_response) * 1940-11-23

Also Published As

Publication number Publication date
US2530394A (en) 1950-11-21
GB655123A (en) 1951-07-11
DE974434C (de) 1960-12-22
FR966907A (fr) 1950-10-20

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