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FR1522814A - Low pressure mercury vapor discharge lamp - Google Patents

Low pressure mercury vapor discharge lamp

Info

Publication number
FR1522814A
FR1522814A FR106222A FR106222A FR1522814A FR 1522814 A FR1522814 A FR 1522814A FR 106222 A FR106222 A FR 106222A FR 106222 A FR106222 A FR 106222A FR 1522814 A FR1522814 A FR 1522814A
Authority
FR
France
Prior art keywords
low pressure
discharge lamp
pressure mercury
mercury vapor
vapor discharge
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
Application number
FR106222A
Other languages
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1522814A publication Critical patent/FR1522814A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/04Electrodes; Screens; Shields
    • H01J61/06Main electrodes
    • H01J61/067Main electrodes for low-pressure discharge lamps
    • H01J61/0675Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0677Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
FR106222A 1966-05-12 1967-05-12 Low pressure mercury vapor discharge lamp Expired FR1522814A (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
FR1522814A true FR1522814A (en) 1968-04-26

Family

ID=26644037

Family Applications (2)

Application Number Title Priority Date Filing Date
FR106223A Expired FR1522815A (en) 1966-05-12 1967-05-12 Low pressure mercury vapor discharge lamp
FR106222A Expired FR1522814A (en) 1966-05-12 1967-05-12 Low pressure mercury vapor discharge lamp

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR106223A Expired FR1522815A (en) 1966-05-12 1967-05-12 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) CH490732A (en)
DE (2) DE1589248B2 (en)
ES (2) ES340339A1 (en)
FR (2) FR1522815A (en)
GB (2) GB1191463A (en)
NO (1) NO118120B (en)
SE (2) SE304558B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0287706A2 (en) * 1987-04-24 1988-10-26 Heraeus Instruments GmbH Hydrogen discharge lamp and method of manufacturing it
EP0290669A1 (en) * 1987-05-08 1988-11-17 Heraeus Instruments GmbH Hydrogen lamp and method for production thereof
US4910431A (en) * 1987-04-24 1990-03-20 W. C. Heraeus Gmbh Hydrogen discharge ultraviolet light source or lamp, and method of its manufacture

Families Citing this family (9)

* 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
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
DE69507283T2 (en) * 1994-11-08 1999-07-01 Koninklijke Philips Electronics N.V., Eindhoven 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
BE502232A (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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0287706A2 (en) * 1987-04-24 1988-10-26 Heraeus Instruments GmbH Hydrogen discharge lamp and method of manufacturing it
US4910431A (en) * 1987-04-24 1990-03-20 W. C. Heraeus Gmbh Hydrogen discharge ultraviolet light source or lamp, and method of its manufacture
EP0287706A3 (en) * 1987-04-24 1990-09-12 W.C. Heraeus Gmbh Hydrogen discharge lamp and method of manufacturing it
EP0290669A1 (en) * 1987-05-08 1988-11-17 Heraeus Instruments GmbH Hydrogen lamp and method for production thereof
EP0290669B1 (en) * 1987-05-08 1990-05-09 Heraeus Instruments GmbH Hydrogen lamp and method for production thereof

Also Published As

Publication number Publication date
NO118120B (en) 1969-11-10
AT279735B (en) 1970-03-10
FR1522815A (en) 1968-04-26
US3505553A (en) 1970-04-07
GB1193864A (en) 1970-06-03
DE1589247B2 (en) 1976-04-15
ES340339A1 (en) 1968-06-01
DE1589247A1 (en) 1970-04-09
ES340338A1 (en) 1968-06-01
CH464354A (en) 1968-10-31
GB1191463A (en) 1970-05-13
SE305031B (en) 1968-10-14
BE698451A (en) 1967-11-13
CH490732A (en) 1970-05-15
DE1589248A1 (en) 1970-04-30
SE304558B (en) 1968-09-30
BE698366A (en) 1967-11-13
DE1589248B2 (en) 1976-04-15

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