IT1130750B - Lampada a scarica,a vapori di sodio,ad alta pressione - Google Patents

Lampada a scarica,a vapori di sodio,ad alta pressione

Info

Publication number: IT1130750B
Authority: IT; Italy
Prior art keywords: high pressure; discharge lamp; sodium vapor; vapor; sodium
Prior art date: 1979-05-28

Application number

IT22304/80A

Other languages

English (en)

Other versions

IT8022304A0 (it

Inventor

Peter Andreas Walthe Tielemans

Cornelis Adrianus Joann Jacobs

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.)

1979-05-28

Filing date

1980-05-23

Publication date

1986-06-18

1979-05-28 Priority claimed from NL7904158A external-priority patent/NL7904158A/nl

1980-05-23 Application filed by Philips Nv filed Critical Philips Nv

1980-05-23 Publication of IT8022304A0 publication Critical patent/IT8022304A0/it

1986-06-18 Application granted granted Critical

1986-06-18 Publication of IT1130750B publication Critical patent/IT1130750B/it

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

IT22304/80A 1979-05-28 1980-05-23 Lampada a scarica,a vapori di sodio,ad alta pressione IT1130750B (it)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL7904158A NL7904158A (nl)	1979-05-28	1979-05-28	Hogedruknatriumdamp-ontladingslamp.
NL8000326A NL8000326A (nl)	1979-05-28	1980-01-18	Hogedruknatriumdampontladingslamp.

Publications (2)

Publication Number	Publication Date
IT8022304A0 IT8022304A0 (it)	1980-05-23
IT1130750B true IT1130750B (it)	1986-06-18

Family

ID=26645528

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT22304/80A IT1130750B (it)	1979-05-28	1980-05-23	Lampada a scarica,a vapori di sodio,ad alta pressione

Country Status (11)

Country	Link
US (1)	US4374339A (it)
AT (1)	AT375790B (it)
BR (1)	BR8003261A (it)
CA (1)	CA1150757A (it)
DE (1)	DE3019772A1 (it)
ES (1)	ES8103883A1 (it)
FR (1)	FR2458143A1 (it)
GB (1)	GB2051470B (it)
HU (1)	HU179865B (it)
IT (1)	IT1130750B (it)
NL (1)	NL8000326A (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3305468A1 (de) *	1983-02-17	1984-08-23	Egyesült Izzólámpa és Villamossági Részvénytársaság, Budapest	Verfahren zur herstellung von elektroden fuer hochdruck-entladungslampen
HU189968B (en) *	1984-03-28	1986-08-28	Nv Philips' Gloeilampenfabrieken,Nl	High pressure sodium vapour discharge lamp with improved electrode
US4709184A (en) *	1984-08-20	1987-11-24	Gte Products Corporation	Low wattage metal halide lamp
NL8802228A (nl) *	1988-09-12	1990-04-02	Philips Nv	Hogedruknatriumontladingslamp.
US7633216B2 (en) *	2005-11-28	2009-12-15	General Electric Company	Barium-free electrode materials for electric lamps and methods of manufacture thereof
USD1059207S1 (en) *	2024-07-26	2025-01-28	Junyi Tan	Plant-climbing frame

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3434812A (en) *	1964-04-16	1969-03-25	Gen Electric	Thermionic cathode
NL175771B (nl) *	1975-06-20	1984-07-16	Philips Nv	Hogedrukgasontladingslamp en een werkwijze voor de vervaardiging hiervan.
JPS5367972A (en) *	1976-11-30	1978-06-16	Mitsubishi Electric Corp	Electrode for elctric discharge lamp
US4152619A (en) *	1977-10-26	1979-05-01	Westinghouse Electric Corp.	HID lamp electrode comprising barium (yttrium or rare earth metal) tungstate or molybdate
NL177455C (nl) *	1977-12-02	1985-09-16	Philips Nv	Hogedrukmetaaldampontladingslamp.
NL179855C (nl) *	1978-02-22	1986-11-17	Philips Nv	Hogedruknatriumdampontladingslamp.
US4152620A (en) *	1978-06-29	1979-05-01	Westinghouse Electric Corp.	High intensity vapor discharge lamp with sintering aids for electrode emission materials
NL175770C (nl) *	1978-10-06	1984-12-17	Philips Nv	Hogedruknatriumdampontladingslamp.

1980
- 1980-01-18 NL NL8000326A patent/NL8000326A/nl not_active Application Discontinuation
- 1980-05-19 US US06/151,500 patent/US4374339A/en not_active Expired - Lifetime
- 1980-05-22 CA CA000352539A patent/CA1150757A/en not_active Expired
- 1980-05-23 FR FR8011591A patent/FR2458143A1/fr active Granted
- 1980-05-23 IT IT22304/80A patent/IT1130750B/it active
- 1980-05-23 HU HU80801309A patent/HU179865B/hu unknown
- 1980-05-23 DE DE19803019772 patent/DE3019772A1/de not_active Withdrawn
- 1980-05-23 GB GB8017178A patent/GB2051470B/en not_active Expired
- 1980-05-26 BR BR8003261A patent/BR8003261A/pt unknown
- 1980-05-26 ES ES491845A patent/ES8103883A1/es not_active Expired
- 1980-05-28 AT AT0283680A patent/AT375790B/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
BR8003261A (pt)	1980-12-30
HU179865B (en)	1982-12-28
FR2458143A1 (fr)	1980-12-26
GB2051470A (en)	1981-01-14
NL8000326A (nl)	1980-12-02
DE3019772A1 (de)	1980-12-04
CA1150757A (en)	1983-07-26
ATA283680A (de)	1984-01-15
ES491845A0 (es)	1981-03-16
IT8022304A0 (it)	1980-05-23
US4374339A (en)	1983-02-15
GB2051470B (en)	1983-05-18
ES8103883A1 (es)	1981-03-16
AT375790B (de)	1984-09-10
FR2458143B1 (it)	1982-11-19

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