FR1522814A - Low pressure mercury vapor discharge lamp - Google Patents

Low pressure mercury vapor discharge lamp

Info

Publication number: FR1522814A
Authority: FR; France
Prior art keywords: low pressure; discharge lamp; pressure mercury; mercury vapor; vapor discharge
Prior art date: 1966-05-12
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

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.)

1966-05-12

Filing date

1967-05-12

Publication date

1968-04-26

1966-05-12 Priority claimed from NL6606479A external-priority patent/NL6606479A/xx

1966-10-15 Priority claimed from NL6614550A external-priority patent/NL6614550A/xx

1967-05-12 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1968-04-26 Application granted granted Critical

1968-04-26 Publication of FR1522814A publication Critical patent/FR1522814A/en

Status Expired legal-status Critical Current

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

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)	ES340338A1 (en)
FR (2)	FR1522815A (en)
GB (2)	GB1191463A (en)
NO (1)	NO118120B (en)
SE (2)	SE305031B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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
EP0287706A3 (en) *	1987-04-24	1990-09-12	W.C. Heraeus Gmbh	Hydrogen discharge lamp and method of manufacturing it

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
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

1967
- 1967-04-27 US US634222A patent/US3505553A/en not_active Expired - Lifetime
- 1967-05-09 DE DE1967N0030479 patent/DE1589248B2/en active Granted
- 1967-05-09 CH CH660367A patent/CH490732A/en not_active IP Right Cessation
- 1967-05-09 CH CH660267A patent/CH464354A/en unknown
- 1967-05-09 AT AT432567A patent/AT279735B/en not_active IP Right Cessation
- 1967-05-09 DE DE1967N0030478 patent/DE1589247B2/en active Granted
- 1967-05-09 SE SE6482/67A patent/SE305031B/xx unknown
- 1967-05-09 NO NO168066A patent/NO118120B/no unknown
- 1967-05-09 GB GB21428/67A patent/GB1191463A/en not_active Expired
- 1967-05-09 GB GB21427/67A patent/GB1193864A/en not_active Expired
- 1967-05-09 SE SE6489/67A patent/SE304558B/xx unknown
- 1967-05-10 ES ES340338A patent/ES340338A1/en not_active Expired
- 1967-05-10 ES ES340339A patent/ES340339A1/en not_active Expired
- 1967-05-11 BE BE698366D patent/BE698366A/xx unknown
- 1967-05-12 FR FR106223A patent/FR1522815A/en not_active Expired
- 1967-05-12 FR FR106222A patent/FR1522814A/en not_active Expired
- 1967-05-12 BE BE698451D patent/BE698451A/xx unknown

Cited By (4)

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

Publication	Publication Date	Title
BE753011A (en)	1971-01-04	LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP
AT300956B (en)	1972-07-15	LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP
BE788095A (en)	1973-02-28	LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP
FR1522814A (en)	1968-04-26	Low pressure mercury vapor discharge lamp
OA00844A (en)	1967-11-15	Sodium vapor discharge lamp.
DE1905646B2 (en)	1971-05-06	LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP
BE751637A (en)	1970-11-16	MERCURY VAPOR DISCHARGE LAMP
BE585322A (en)	1960-04-01	Low pressure mercury vapor discharge lamp.
AT286449B (en)	1970-12-10	Elongated high pressure mercury vapor discharge lamp
FR1504822A (en)	1967-12-08	Low pressure mercury vapor discharge lamp
BE749235A (en)	1970-10-20	LOW PRESSURE SODIUM VAPOR DISCHARGE LAMP
FR1457175A (en)	1966-10-28	Low pressure mercury vapor discharge lamp
AT271625B (en)	1969-06-10	Low pressure mercury vapor discharge lamp
FR1507675A (en)	1967-12-29	Low pressure mercury vapor discharge lamp
FR1546988A (en)	1968-11-22	Low pressure mercury vapor discharge lamp
CH485319A (en)	1970-01-31	Low pressure sodium vapor discharge lamp
FR2073525A5 (en)	1971-10-01	LOW PRESSURE SODIUM VAPOR DISCHARGE LAMP
FR1504586A (en)	1967-12-08	High pressure mercury vapor lamp
FR1398335A (en)	1965-05-07	Sodium vapor discharge lamp
FR1428299A (en)	1966-02-11	Discharge lamp in an atmosphere of mercury vapor at low pressure
FR1392415A (en)	1965-03-12	Low pressure mercury vapor discharge lamp
AT274958B (en)	1969-10-10	Low pressure mercury vapor discharge lamp
FR1495667A (en)	1967-09-22	Discharge lamp containing mercury vapor at low pressure
AT292846B (en)	1971-09-10	High pressure mercury vapor discharge lamp
FR1419230A (en)	1965-11-26	High pressure mercury vapor discharge lamp