IT1125691B - Lampada a scarica,a vapori di mercurio,a bassa pressione - Google Patents

Lampada a scarica,a vapori di mercurio,a bassa pressione

Info

Publication number
IT1125691B
IT1125691B IT27282/79A IT2728279A IT1125691B IT 1125691 B IT1125691 B IT 1125691B IT 27282/79 A IT27282/79 A IT 27282/79A IT 2728279 A IT2728279 A IT 2728279A IT 1125691 B IT1125691 B IT 1125691B
Authority
IT
Italy
Prior art keywords
low pressure
discharge lamp
mercury vapor
vapor discharge
mercury
Prior art date
Application number
IT27282/79A
Other languages
English (en)
Other versions
IT7927282A0 (it
Inventor
Winston Donald Couwenberg
Albert Bouwknegt
Franciscus Antonius S Ligthart
Jean Johan Heuvelmans
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.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Publication of IT7927282A0 publication Critical patent/IT7927282A0/it
Application granted granted Critical
Publication of IT1125691B publication Critical patent/IT1125691B/it

Links

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
    • H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
IT27282/79A 1978-11-17 1979-11-14 Lampada a scarica,a vapori di mercurio,a bassa pressione IT1125691B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7811351A NL7811351A (nl) 1978-11-17 1978-11-17 Lagedrukkwikdampontladingslamp.

Publications (2)

Publication Number Publication Date
IT7927282A0 IT7927282A0 (it) 1979-11-14
IT1125691B true IT1125691B (it) 1986-05-14

Family

ID=19831913

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27282/79A IT1125691B (it) 1978-11-17 1979-11-14 Lampada a scarica,a vapori di mercurio,a bassa pressione

Country Status (9)

Country Link
US (1) US4277720A (it)
JP (2) JPS5572354A (it)
BE (1) BE880094A (it)
CA (1) CA1141419A (it)
DE (1) DE2945714A1 (it)
FR (1) FR2441920A1 (it)
GB (1) GB2042254B (it)
IT (1) IT1125691B (it)
NL (1) NL7811351A (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE457761B (sv) * 1985-05-23 1989-01-23 Lumalampan Ab Kompaktlysroer
US4902933A (en) * 1988-09-20 1990-02-20 General Electric Company High efficacy discharge lamp having large anodes
DE29606857U1 (de) * 1996-04-16 1998-01-29 Weth Gosbert Dr Med Dr Rer Nat Leuchtmittel für therapeutische Zwecke

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB302643A (en) * 1927-12-19 1930-01-06 Claude Neon Lights Inc Improvements in electric discharge devices
FR720784A (fr) * 1930-11-05 1932-02-24 Claude Lumiere Sa Appareil d'éclairage à décharge électrique
US2622221A (en) * 1945-11-23 1952-12-16 Westinghouse Electric Corp Fluorescent discharge lamp
BE558655A (it) * 1956-06-27
US3052813A (en) * 1959-06-30 1962-09-04 Sylvania Electric Prod Helium-argon lamp
CA921541A (en) * 1970-03-03 1973-02-20 Suoh Masatake Small-sized fluorescent lamp
US3886393A (en) * 1972-08-11 1975-05-27 Owens Illinois Inc Gas mixture for gas discharge device
US4032814A (en) * 1974-08-19 1977-06-28 Duro-Test Corporation Fluorescent lamp with reduced wattage consumption
JPS53114279A (en) * 1977-03-17 1978-10-05 Matsushita Electronics Corp Fluorescent lamp
DE2722694C2 (de) * 1977-05-18 1985-01-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Quecksilberdampf-Niederdruckentladungslampe

Also Published As

Publication number Publication date
NL7811351A (nl) 1980-05-20
FR2441920A1 (fr) 1980-06-13
GB2042254B (en) 1983-02-16
FR2441920B1 (it) 1982-08-20
JPH0120764Y2 (it) 1989-06-22
DE2945714A1 (de) 1980-05-29
JPS5572354A (en) 1980-05-31
US4277720A (en) 1981-07-07
DE2945714C2 (it) 1988-03-24
BE880094A (fr) 1980-05-16
IT7927282A0 (it) 1979-11-14
CA1141419A (en) 1983-02-15
GB2042254A (en) 1980-09-17
JPS62198658U (it) 1987-12-17

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