IT454148A - - Google Patents

Info

Publication number
IT454148A
IT454148A IT454148DA IT454148A IT 454148 A IT454148 A IT 454148A IT 454148D A IT454148D A IT 454148DA IT 454148 A IT454148 A IT 454148A
Authority
IT
Italy
Application number
Other languages
Italian (it)
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 IT454148A publication Critical patent/IT454148A/it

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
IT454148D 1948-01-15 IT454148A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2405A US2692350A (en) 1948-01-15 1948-01-15 Discharge lamp and electrode

Publications (1)

Publication Number Publication Date
IT454148A true IT454148A (enrdf_load_stackoverflow)

Family

ID=21700605

Family Applications (1)

Application Number Title Priority Date Filing Date
IT454148D IT454148A (enrdf_load_stackoverflow) 1948-01-15

Country Status (3)

Country Link
US (1) US2692350A (enrdf_load_stackoverflow)
GB (1) GB670006A (enrdf_load_stackoverflow)
IT (1) IT454148A (enrdf_load_stackoverflow)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2977508A (en) * 1956-07-17 1961-03-28 Edgerton Germeshausen & Grier Gaseous-discharge device and system
US3013175A (en) * 1957-05-01 1961-12-12 Sylvania Electric Prod High output discharge lamp
US2908841A (en) * 1958-05-19 1959-10-13 Greber Henry Gas discharge lamp
US2930919A (en) * 1959-01-15 1960-03-29 Westinghouse Electric Corp Discharge device
US3271093A (en) * 1960-06-10 1966-09-06 Westinghouse Electric Corp Method for making incandescent lamps
DE1489438A1 (de) * 1965-06-29 1969-04-24 Philips Nv Gasgefuellte Anordnung,insbesondere Gluehlampe,mit Schwaerzungsschutz um einen gluehenden Koerper
US3710172A (en) * 1971-04-26 1973-01-09 Gen Electric Composite thermionic cathodes for gas discharge devices
US3883764A (en) * 1974-03-04 1975-05-13 Gen Electric Cathode structure for high current, low pressure discharge devices
NL7405071A (nl) * 1974-04-16 1975-10-20 Philips Nv Gloeilamp met infrarood filter.
JP3400489B2 (ja) * 1993-05-20 2003-04-28 東京電測株式会社 複合放電ランプ
JPH1092376A (ja) * 1996-09-19 1998-04-10 Tekunetsuto:Kk 放電管用電極装置
JP2001514796A (ja) * 1997-03-14 2001-09-11 オスラム シルバニア インコーポレイテッド 低圧力の放電ランプのための始動補助
US6630787B2 (en) * 2000-03-06 2003-10-07 Koninklijke Philips Electronics N.V. Low-pressure mercury-vapor discharge lamp having electrode shield carrying direct electric current

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2182732A (en) * 1926-12-10 1939-12-05 Gen Electric Metal vapor lamp
US2053879A (en) * 1929-05-04 1936-09-08 Hans J Spanner Discharge tube
US2071426A (en) * 1934-12-20 1937-02-23 Voltarc Tubes Inc Luminous discharge tube
US2233741A (en) * 1938-11-21 1941-03-04 Kurt F J Kirsten Cathode electrode
US2283216A (en) * 1941-07-19 1942-05-19 Hygrade Sylvania Corp Cathode for discharge tubes
US2429118A (en) * 1943-03-24 1947-10-14 Ray Lite Electrical Dev Corp Electrode for fluorescent tubes
US2405089A (en) * 1943-09-03 1946-07-30 Invex Inc Gaseous discharge device
US2433218A (en) * 1945-06-12 1947-12-23 Herzog Carl Cold cathode fluorescent lamp

Also Published As

Publication number Publication date
US2692350A (en) 1954-10-19
GB670006A (en) 1952-04-09

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