IT1015668B - Lampadina elettrica a scarica a vapore di mercurio a raggi ultra violetti - Google Patents

Lampadina elettrica a scarica a vapore di mercurio a raggi ultra violetti

Info

Publication number: IT1015668B
Authority: IT; Italy
Prior art keywords: mercury vapor; ultra violet; vapor discharge; discharge bulb; electric ultra
Prior art date: 1973-07-05

Application number

IT24792/74A

Other languages

English (en)

Original Assignee

Thorn Electrical Ind Ltd

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.)

1973-07-05

Filing date

1974-07-04

Publication date

1977-05-20

1974-07-04 Application filed by Thorn Electrical Ind Ltd filed Critical Thorn Electrical Ind Ltd

1977-05-20 Application granted granted Critical

1977-05-20 Publication of IT1015668B publication Critical patent/IT1015668B/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
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent

IT24792/74A 1973-07-05 1974-07-04 Lampadina elettrica a scarica a vapore di mercurio a raggi ultra violetti IT1015668B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB3210473*[A GB1397034A (en)	1973-07-05	1973-07-05	Discharge lamps

Publications (1)

Publication Number	Publication Date
IT1015668B true IT1015668B (it)	1977-05-20

Family

ID=10333303

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT24792/74A IT1015668B (it)	1973-07-05	1974-07-04	Lampadina elettrica a scarica a vapore di mercurio a raggi ultra violetti

Country Status (9)

Country	Link
US (1)	US3867665A (it)
JP (1)	JPS5069880A (it)
CA (1)	CA983565A (it)
DE (1)	DE2430041A1 (it)
FR (1)	FR2236269B1 (it)
GB (1)	GB1397034A (it)
IT (1)	IT1015668B (it)
NL (1)	NL7409135A (it)
SE (1)	SE391834B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2629309C2 (de) *	1975-07-02	1986-09-25	Gte Products Corp., Wilmington, Del.	Mitteldruck-Bogenentladungslampe
DE2718735C2 (de) *	1977-04-27	1986-06-05	Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München	Quecksilberdampfhochdruckentladung
DE2725297C3 (de) *	1977-06-04	1980-10-16	Philips Patentverwaltung Gmbh, 2000 Hamburg	Hochdruckquecksilberdampfentladungslampe
NL7712058A (nl) *	1977-11-02	1979-05-04	Philips Nv	Lagedrukkwikdampontladingslamp.
JPS58175251A (ja) *	1982-04-07	1983-10-14	Hitachi Ltd	高輝度紫外線光源
DE3376922D1 (en) *	1982-11-30	1988-07-07	Emi Plc Thorn	Improvements in photoprinting lamps
GB2182486B (en) *	1985-10-04	1990-06-06	Ushio Electric Inc	Magnesium and iron vapor discharge lamp
GB2183085A (en) *	1985-10-04	1987-05-28	Ushio Electric Inc	Iron vapor discharge lamp
WO1995028733A1 (en) *	1994-04-13	1995-10-26	Philips Electronics N.V.	Metal halide lamp
US5757133A (en) *	1996-03-12	1998-05-26	Uvp, Inc.	Magnesium vapor discharge lamp
US6121730A (en) *	1998-06-05	2000-09-19	Matsushita Electric Works R&D Laboratory, Inc.	Metal hydrides lamp and fill for the same
KR100348610B1 (ko) *	2000-01-19	2002-08-13	엘지전자주식회사	금속 할로겐 무전극 램프
US6717364B1 (en) *	2000-07-28	2004-04-06	Matsushita Research & Development Labs Inc	Thallium free—metal halide lamp with magnesium halide filling for improved dimming properties
US20040227463A1 (en) *	2003-05-15	2004-11-18	Lepselter Martin P.	Flat panel display having conductors magnetically bonded to substrate
US9415126B2 (en) *	2013-05-23	2016-08-16	Sensor Electronic Technology, Inc.	Reflective transparent optical chamber

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1177248B (de) *	1962-08-22	1964-09-03	Patra Patent Treuhand	Elektrische Hochdruck-Dampfentladungslampe mit einer farbkorrigierenden Zusatz-Fuellung
US3521111A (en) *	1965-10-01	1970-07-21	Mitsubishi Electric Corp	Discharge lamp having a fill including mercury and gallium iodide
US3319119A (en) *	1965-10-22	1967-05-09	Hewlett Packard Co	Metal vapor spectral lamp with mercury and a metal halide at subatmospheric pressure
US3398312A (en) *	1965-11-24	1968-08-20	Westinghouse Electric Corp	High pressure vapor discharge lamp having a fill including sodium iodide and a free metal
US3431447A (en) *	1966-02-16	1969-03-04	Westinghouse Electric Corp	High-pressure metallic vapor discharge lamp including mercury and thallium iodide
US3480819A (en) *	1967-11-22	1969-11-25	Sylvania Electric Prod	Phosphor coated high pressure electric discharge device
GB1360022A (en) *	1971-05-25	1974-07-17	Thorn Electrical Ind Ltd	Discharge lamps

1973
- 1973-07-05 GB GB3210473*[A patent/GB1397034A/en not_active Expired
- 1973-11-21 US US418122A patent/US3867665A/en not_active Expired - Lifetime
1974
- 1974-06-13 CA CA202,354A patent/CA983565A/en not_active Expired
- 1974-06-19 JP JP49069273A patent/JPS5069880A/ja active Pending
- 1974-06-22 DE DE2430041A patent/DE2430041A1/de active Pending
- 1974-07-04 SE SE7408819A patent/SE391834B/xx unknown
- 1974-07-04 IT IT24792/74A patent/IT1015668B/it active
- 1974-07-05 FR FR7423520A patent/FR2236269B1/fr not_active Expired
- 1974-07-05 NL NL7409135A patent/NL7409135A/xx unknown

Also Published As

Publication number	Publication date
US3867665A (en)	1975-02-18
CA983565A (en)	1976-02-10
NL7409135A (nl)	1975-01-07
GB1397034A (en)	1975-06-11
DE2430041A1 (de)	1975-01-23
FR2236269B1 (it)	1978-10-27
SE7408819L (it)	1975-01-07
SE391834B (sv)	1977-02-28
FR2236269A1 (it)	1975-01-31
JPS5069880A (it)	1975-06-10

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