GB1370020A - Arc-discharge lamp - Google Patents

Arc-discharge lamp

Info

Publication number
GB1370020A
GB1370020A GB6069771A GB6069771A GB1370020A GB 1370020 A GB1370020 A GB 1370020A GB 6069771 A GB6069771 A GB 6069771A GB 6069771 A GB6069771 A GB 6069771A GB 1370020 A GB1370020 A GB 1370020A
Authority
GB
United Kingdom
Prior art keywords
halide
fluoride
mole
praseodymium
neodymium
Prior art date
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
GB6069771A
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.)
CBS Corp
Original Assignee
Westinghouse Electric 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.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB1370020A publication Critical patent/GB1370020A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/12Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/125Selection of substances for gas fillings; Specified operating pressure or temperature having an halogenide as principal component

Abstract

1370020 Metal-vapour lamps WESTING- HOUSE ELECTRIC CORP 30 Dec 1971 [21 Jan 1971] 60697/71 Heading H1D A discharge lamp has a filling which includes mercury providing, in operation a pressure of from 3 to 15 atmospheres; at least one of cerium halide, praseodymium halide, and neodymium halide, other than the fluoride, in a total amount of from 1À4 x 10<SP>-6</SP> to 5À4 x 10<SP>-5</SP> gm. mole cm.<SP>-1</SP> of spacing between the electrodes ; cesium halide, excluding the fluoride, in an amount of 3À5 Î 10<SP>-7</SP> to 5À4 Î 10<SP>-5</SP> gm. mole cm.<SP>-1</SP>; the molar ratio of the praseodymium, neodymium, and cerium halide to the cesium halide falling in the range 4 : 1 to 1 : 2À5; and a starting gas-e.g. 20 torr of argon. The halide is preferably the iodide, and the filling may additionally include the halide, other than the fluoride, of sodium, dysprasium, samarium, halmium, scandium, gadolinium, and indium, in specified ratios and amounts. The arc tube is mounted in an outer envelope (Fig. 1, not shown), and includes a starting electrode and series resistor. The arc tube may be of quartz or, as shown, of sintered polycrystalline alumina, with alumina end caps 46 through which pass exhaust and fill tubulations 50 which also support the electrodes 48.
GB6069771A 1971-01-21 1971-12-30 Arc-discharge lamp Expired GB1370020A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10842771A 1971-01-21 1971-01-21

Publications (1)

Publication Number Publication Date
GB1370020A true GB1370020A (en) 1974-10-09

Family

ID=22322119

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6069771A Expired GB1370020A (en) 1971-01-21 1971-12-30 Arc-discharge lamp

Country Status (9)

Country Link
JP (1) JPS5133360B1 (en)
BE (1) BE778219A (en)
DE (1) DE2201831A1 (en)
ES (1) ES398575A1 (en)
FR (1) FR2122551B1 (en)
GB (1) GB1370020A (en)
IT (1) IT946752B (en)
MY (1) MY7500097A (en)
NL (1) NL7200871A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5239232A (en) * 1990-04-24 1993-08-24 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh Light balance compensated mercury vapor and halogen high-pressure discharge lamp
WO2004075229A2 (en) * 2003-02-19 2004-09-02 Flowil International Lighting (Holding) B.V. Metal halide discharge lamp
EP2387065A3 (en) * 2010-05-13 2011-12-21 Flowil International Lighting (Holding) B.V. A high pressure discharge lamp for collagen regeneration in the skin

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2519377A1 (en) * 1975-04-30 1976-11-11 Patra Patent Treuhand MERCURY VAPOR HIGH PRESSURE DISCHARGE LAMP
JPS54129275U (en) * 1978-02-27 1979-09-08
JPS54167667U (en) * 1978-05-15 1979-11-26
JPS5537252U (en) * 1978-08-30 1980-03-10
NL8005456A (en) * 1980-10-02 1982-05-03 Philips Nv HIGH PRESSURE MERCURY DISCHARGE LAMP.
DE3427280C2 (en) * 1984-07-24 1986-06-12 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Metal halide high pressure discharge lamp
US4801846A (en) * 1986-12-19 1989-01-31 Gte Laboratories Incorporated Rare earth halide light source with enhanced red emission
HU196861B (en) * 1987-01-23 1989-01-30 Tungsram Reszvenytarsasag Low colour-temperature high-pressure metal-halide lamp with good colour reproduction

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3262012A (en) * 1963-12-31 1966-07-19 Sylvania Electric Prod Electric discharge device having a thermostatically operated switch connected to a main electrode
US3514659A (en) * 1967-07-03 1970-05-26 Sylvania Electric Prod High pressure vapor discharge lamp with cesium iodide

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5239232A (en) * 1990-04-24 1993-08-24 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh Light balance compensated mercury vapor and halogen high-pressure discharge lamp
WO2004075229A2 (en) * 2003-02-19 2004-09-02 Flowil International Lighting (Holding) B.V. Metal halide discharge lamp
WO2004075229A3 (en) * 2003-02-19 2004-11-25 Flowil Int Lighting Metal halide discharge lamp
GB2417364A (en) * 2003-02-19 2006-02-22 Flowil Internat Lighting Metal halide discharge lamp
GB2417364B (en) * 2003-02-19 2006-11-29 Flowil Internat Lighting Metal halide discharge lamp
EP2387065A3 (en) * 2010-05-13 2011-12-21 Flowil International Lighting (Holding) B.V. A high pressure discharge lamp for collagen regeneration in the skin

Also Published As

Publication number Publication date
DE2201831A1 (en) 1972-08-03
MY7500097A (en) 1975-12-31
ES398575A1 (en) 1974-10-01
BE778219A (en) 1972-07-19
IT946752B (en) 1973-05-21
NL7200871A (en) 1972-07-25
FR2122551B1 (en) 1977-01-14
JPS5133360B1 (en) 1976-09-18
FR2122551A1 (en) 1972-09-01

Similar Documents

Publication Publication Date Title
GB1537104A (en) Arc-discharge devices
GB1282805A (en) High pressure mercury vapour discharge lamp with a metal halide additive
GB1143452A (en) Improvements in high pressure saturated vapor sodium lamp containing mercury
GB1211175A (en) High-pressure sodium vapor lamp
GB1370020A (en) Arc-discharge lamp
GB1252829A (en)
GB1428494A (en) Sodium vapour lamp having starting means
GB1186632A (en) Mercury Vapour Discharge Lamp
GB1450466A (en) Fill gas mixture for glow lamps
GB1330045A (en) Small-sized fluorescent lamp
GB1039649A (en) Discharge lamp
GB1427867A (en) High pressure mercury vapour discharge lamp
GB1417515A (en) High-pressure metal-vapour discharge tube
GB1128504A (en) High pressure mercury vapour electric discharge tube
ES399456A1 (en) High pressure mercury vapour discharge lamp
GB1531280A (en) Metal halide lamps
GB1462955A (en) Discharge lamp
GB1248157A (en) Metallic vapor arc-lamp
GB1337134A (en) Metal halide lamp
GB1067923A (en) High pressure electric discharge lamps
GB1376509A (en) High-pressure mercury vapour discharge lamps
IE38771B1 (en) Improvements in electric discharge devices
GB1522330A (en) Discharge lamp
GB1309337A (en) Arc tubes
GB1202505A (en) Fluorescent lamp device

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee