NL186351C - Ontladingslamp met ontlading van hoge intensiteit. - Google Patents

Ontladingslamp met ontlading van hoge intensiteit.

Info

Publication number: NL186351C
Authority: NL; Netherlands
Prior art keywords: discharge; high intensity; lamp; discharge lamp; intensity discharge
Prior art date: 1977-10-26

Application number

NLAANVRAGE7809913,A

Other languages

English (en)

Other versions

NL186351B (nl

NL7809913A (nl

Original Assignee

Philips Lighting Corp

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.)

1977-10-26

Filing date

1978-10-02

Publication date

1990-11-01

1978-10-02 Application filed by Philips Lighting Corp filed Critical Philips Lighting Corp

1979-05-01 Publication of NL7809913A publication Critical patent/NL7809913A/nl

1990-06-01 Publication of NL186351B publication Critical patent/NL186351B/nl

1990-11-01 Application granted granted Critical

1990-11-01 Publication of NL186351C publication Critical patent/NL186351C/nl

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
- H01J61/073—Main electrodes for high-pressure discharge lamps
- H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode
- H01J61/0737—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material

NLAANVRAGE7809913,A 1977-10-26 1978-10-02 Ontladingslamp met ontlading van hoge intensiteit. NL186351C (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/845,521 US4152619A (en)	1977-10-26	1977-10-26	HID lamp electrode comprising barium (yttrium or rare earth metal) tungstate or molybdate

Publications (3)

Publication Number	Publication Date
NL7809913A NL7809913A (nl)	1979-05-01
NL186351B NL186351B (nl)	1990-06-01
NL186351C true NL186351C (nl)	1990-11-01

Family

ID=25295418

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NLAANVRAGE7809913,A NL186351C (nl)	1977-10-26	1978-10-02	Ontladingslamp met ontlading van hoge intensiteit.

Country Status (5)

Country	Link
US (1)	US4152619A (nl)
JP (2)	JPS5477480A (nl)
DE (1)	DE2845283A1 (nl)
GB (1)	GB1603341A (nl)
NL (1)	NL186351C (nl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4210840A (en) *	1978-12-12	1980-07-01	Westinghouse Electric Corp.	HID Lamp emission material
NL8000326A (nl) *	1979-05-28	1980-12-02	Philips Nv	Hogedruknatriumdampontladingslamp.
US4303848A (en) *	1979-08-29	1981-12-01	Toshiba Corporation	Discharge lamp and method of making same
US4479074A (en) *	1982-09-02	1984-10-23	North American Philips Lighting Corp.	High intensity vapor discharge lamp with sintering aids for electrode emission materials
US4620128A (en) *	1985-04-29	1986-10-28	General Electric Company	Tungsten laden emission mix of improved stability
KR900008794B1 (ko) *	1986-06-11	1990-11-29	티 디 케이 가부시끼가이샤	방전 램프장치
KR920001844B1 (ko) *	1986-07-15	1992-03-05	티디 케이 가부시기가이샤	냉음극형 방전 등 장치
US5111108A (en) *	1990-12-14	1992-05-05	Gte Products Corporation	Vapor discharge device with electron emissive material
US6433482B1 (en)	1998-05-11	2002-08-13	Wisconsin Alumni Research Foundation	Barium light source method and apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1888272U (de) *		1964-02-27	Westmghouse Flectric Corporation Pittsburgh Pa (V St A) \ertr Dipl Ing J Dellian Pat Anw München	Elektrode fur eine Entladungslampe
US3170081A (en) *	1962-06-05	1965-02-16	Westinghouse Electric Corp	Discharge lamp electrode
US3708710A (en) *	1970-12-14	1973-01-02	Gen Electric	Discharge lamp thermoionic cathode containing emission material
JPS5340833B2 (nl) *	1971-11-02	1978-10-30
US3988629A (en) *	1974-10-07	1976-10-26	General Electric Company	Thermionic wick electrode for discharge lamps
NL175771B (nl) *	1975-06-20	1984-07-16	Philips Nv	Hogedrukgasontladingslamp en een werkwijze voor de vervaardiging hiervan.

1977
- 1977-10-26 US US05/845,521 patent/US4152619A/en not_active Expired - Lifetime
1978
- 1978-05-31 GB GB25896/78A patent/GB1603341A/en not_active Expired
- 1978-10-02 NL NLAANVRAGE7809913,A patent/NL186351C/nl not_active IP Right Cessation
- 1978-10-18 DE DE19782845283 patent/DE2845283A1/de active Granted
- 1978-10-26 JP JP13108378A patent/JPS5477480A/ja active Pending
1983
- 1983-07-06 JP JP1983103997U patent/JPS5943063U/ja active Granted

Also Published As

Publication number	Publication date
NL186351B (nl)	1990-06-01
DE2845283C2 (nl)	1989-11-09
DE2845283A1 (de)	1979-05-03
JPS5943063U (ja)	1984-03-21
JPS5477480A (en)	1979-06-20
NL7809913A (nl)	1979-05-01
GB1603341A (en)	1981-11-25
JPS6226914Y2 (nl)	1987-07-10
US4152619A (en)	1979-05-01

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Legal Events

Date	Code	Title	Description
1985-01-01	A85	Still pending on 85-01-01
1985-06-03	BA	A request for search or an international-type search has been filed
1985-07-16	CNR	Transfer of rights (patent application after its laying open for public inspection)	Free format text: NORTH AMERICAN PHILIPS LIGHTING CORPORATION
1987-11-02	BB	A search report has been drawn up
1988-03-01	BC	A request for examination has been filed
1992-06-16	V1	Lapsed because of non-payment of the annual fee