AT279735B - Low pressure mercury vapor discharge lamp - Google Patents

Low pressure mercury vapor discharge lamp

Info

Publication number
AT279735B
AT279735B AT432567A AT432567A AT279735B AT 279735 B AT279735 B AT 279735B AT 432567 A AT432567 A AT 432567A AT 432567 A AT432567 A AT 432567A AT 279735 B AT279735 B AT 279735B
Authority
AT
Austria
Prior art keywords
low pressure
discharge lamp
pressure mercury
mercury vapor
vapor discharge
Prior art date
Application number
AT432567A
Other languages
German (de)
Original Assignee
Philips Nv
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 claimed from NL6606479A external-priority patent/NL6606479A/xx
Priority claimed from NL6614550A external-priority patent/NL6614550A/xx
Application filed by Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of AT279735B publication Critical patent/AT279735B/en

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
AT432567A 1966-05-12 1967-05-09 Low pressure mercury vapor discharge lamp AT279735B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL6606479A NL6606479A (en) 1966-05-12 1966-05-12
NL6614550A NL6614550A (en) 1966-10-15 1966-10-15

Publications (1)

Publication Number Publication Date
AT279735B true AT279735B (en) 1970-03-10

Family

ID=26644037

Family Applications (1)

Application Number Title Priority Date Filing Date
AT432567A AT279735B (en) 1966-05-12 1967-05-09 Low pressure mercury vapor discharge lamp

Country Status (10)

Country Link
US (1) US3505553A (en)
AT (1) AT279735B (en)
BE (2) BE698366A (en)
CH (2) CH464354A (en)
DE (2) DE1589248B2 (en)
ES (2) ES340338A1 (en)
FR (2) FR1522814A (en)
GB (2) GB1193864A (en)
NO (1) NO118120B (en)
SE (2) SE305031B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4321503A (en) * 1978-11-06 1982-03-23 Westinghouse Electric Corp. HID Lamp electrode comprising barium-calcium niobate or tantalate
JPS63141252A (en) * 1986-12-02 1988-06-13 Hitachi Ltd Low pressure discharge lamp
US4910431A (en) * 1987-04-24 1990-03-20 W. C. Heraeus Gmbh Hydrogen discharge ultraviolet light source or lamp, and method of its manufacture
DE3713704A1 (en) * 1987-04-24 1988-11-03 Heraeus Gmbh W C HYDROGEN DISCHARGE LAMP AND METHOD FOR THE PRODUCTION THEREOF
DE3715375C1 (en) * 1987-05-08 1988-10-13 Heraeus Gmbh W C Hydrogen discharge lamp
US5391523A (en) * 1993-10-27 1995-02-21 Marlor; Richard C. Electric lamp with lead free glass
US5675214A (en) * 1994-09-21 1997-10-07 U.S. Philips Corporation Low-pressure discharge lamp having hollow electrodes
JP3762434B2 (en) * 1994-11-08 2006-04-05 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Low pressure discharge lamp
US5686789A (en) * 1995-03-14 1997-11-11 Osram Sylvania Inc. Discharge device having cathode with micro hollow array
JPH103879A (en) * 1996-06-12 1998-01-06 Tdk Corp Ceramic cathode fluorescent lamp
US5856726A (en) * 1996-03-15 1999-01-05 Osram Sylvania Inc. Electric lamp with a threaded electrode
US6713950B2 (en) 2001-08-22 2004-03-30 General Electric Company Low volatility slurry for emission mix powder

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL80503C (en) * 1950-03-31
US2878411A (en) * 1955-03-21 1959-03-17 Chromatic Television Lab Inc Color television display screen
US2959702A (en) * 1958-07-02 1960-11-08 Westinghouse Electric Corp Lamp and mount
US3027480A (en) * 1958-12-15 1962-03-27 Raytheon Co Electron discharge device cathodes
GB1015840A (en) * 1964-09-08 1966-01-05 Standard Telephones Cables Ltd Thermionic valves
GB1178052A (en) * 1966-04-20 1970-01-14 Matsushita Electronics Corp A Noiseless Discharge Tube
GB1178051A (en) * 1966-04-20 1970-01-14 Matsushita Electronics Corp Noiseless Discharge Tube

Also Published As

Publication number Publication date
SE304558B (en) 1968-09-30
DE1589248B2 (en) 1976-04-15
BE698451A (en) 1967-11-13
GB1193864A (en) 1970-06-03
CH490732A (en) 1970-05-15
FR1522814A (en) 1968-04-26
DE1589247A1 (en) 1970-04-09
GB1191463A (en) 1970-05-13
ES340338A1 (en) 1968-06-01
SE305031B (en) 1968-10-14
DE1589248A1 (en) 1970-04-30
ES340339A1 (en) 1968-06-01
DE1589247B2 (en) 1976-04-15
NO118120B (en) 1969-11-10
CH464354A (en) 1968-10-31
FR1522815A (en) 1968-04-26
US3505553A (en) 1970-04-07
BE698366A (en) 1967-11-13

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee