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 (nl)

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 (nl)

Family

ID=25027406

Family Applications (1)

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

Country Status (5)

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

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 (nl) * 1952-03-24
NL95838C (nl) * 1952-04-24
BE524490A (nl) * 1952-11-22
BE526330A (nl) * 1953-02-09
US3069580A (en) * 1953-10-28 1962-12-18 Sylvania Electric Prod Fluorescent lamp
DE1068380B (nl) * 1954-03-01
BE545445A (nl) * 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
DE4415748C2 (de) * 1994-05-04 1998-08-13 Matsushita Electric Works Ltd Elektrode für eine Leuchtstofflampe
US7358677B2 (en) * 2003-07-29 2008-04-15 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
NL23762C (nl) * 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
DE627617C (de) * 1928-09-21 1936-03-19 Osram G M B H Zuendvorrichtung fuer elektrische Gasentladungslampen mit langgestrecktem Entladungsweg
US1925648A (en) * 1928-09-21 1933-09-05 Hans J Spanner Lighting device
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 (nl) * 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
NL76841C (nl) * 1940-11-23

Also Published As

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

Similar Documents

Publication Publication Date Title
AT165657B (nl)
BE481190R (nl)
AT165716B (nl)
AT166672B (nl)
AT165673B (nl)
AT165884B (nl)
BE474505A (nl)
BE472149A (nl)
BE473418A (nl)
BE473448A (nl)
BE474878A (nl)
BE474976A (nl)
BE472071A (nl)
BE465296A (nl)
BE481299A (nl)
BE484553A (nl)
BE471830A (nl)
BE471627A (nl)
BE471492A (nl)
LU28914A1 (nl)
BE471467A (nl)
BE472571A (nl)
BE471414A (nl)
LU29012A1 (nl)
BE472727A (nl)