GB676169A - Electric high pressure discharge lamp - Google Patents

Electric high pressure discharge lamp

Info

Publication number
GB676169A
GB676169A GB20235/50A GB2023550A GB676169A GB 676169 A GB676169 A GB 676169A GB 20235/50 A GB20235/50 A GB 20235/50A GB 2023550 A GB2023550 A GB 2023550A GB 676169 A GB676169 A GB 676169A
Authority
GB
United Kingdom
Prior art keywords
lamp
electrodes
aug
chlorine
reagent
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
GB20235/50A
Other languages
English (en)
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of GB676169A publication Critical patent/GB676169A/en
Expired legal-status Critical Current

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
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J61/26—Means for absorbing or adsorbing gas, e.g. by gettering; Means for preventing blackening of the envelope

Landscapes

  • Discharge Lamp (AREA)
GB20235/50A 1949-08-20 1950-08-15 Electric high pressure discharge lamp Expired GB676169A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP3915A DE833221C (de) 1949-08-20 1949-08-20 Elektrische Gasentladungsroehre, insbesondere fuer Strahlungszwecke

Publications (1)

Publication Number Publication Date
GB676169A true GB676169A (en) 1952-07-23

Family

ID=6593849

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20235/50A Expired GB676169A (en) 1949-08-20 1950-08-15 Electric high pressure discharge lamp

Country Status (3)

Country Link
DE (1) DE833221C (de)
FR (1) FR1023583A (de)
GB (1) GB676169A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012004166A1 (de) * 2010-07-06 2012-01-12 Osram Gesellschaft mit beschränkter Haftung Kurzbogenlampe - entladungslampe

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL113832C (de) * 1955-08-03
NL269416A (de) * 1960-09-21
GB1002961A (en) * 1961-04-11 1965-09-02 Gen Electric Improvements in electric discharge lamp
DE1270684B (de) * 1961-07-26 1968-06-20 Philips Nv Gasgefuellte Gluehlampe mit einem Wolfram-Gluehkoerper und Verfahren zu ihrer Herstellung
DE2456757C2 (de) * 1974-11-30 1983-06-01 Philips Patentverwaltung Gmbh, 2000 Hamburg Metallhalogenid-Hochdruckgasentladungslampe
NL7712058A (nl) * 1977-11-02 1979-05-04 Philips Nv Lagedrukkwikdampontladingslamp.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012004166A1 (de) * 2010-07-06 2012-01-12 Osram Gesellschaft mit beschränkter Haftung Kurzbogenlampe - entladungslampe

Also Published As

Publication number Publication date
FR1023583A (fr) 1953-03-20
DE833221C (de) 1952-03-06

Similar Documents

Publication Publication Date Title
GB641581A (en) Improvements in or relating to electric discharge tubes
ES272505A1 (es) Mejoras introducidas en las lámparas de descarga eléctrica en gas
GB1212010A (en) Arc discharge lamps
GB676169A (en) Electric high pressure discharge lamp
US2697183A (en) High-pressure electric discharge lamp
GB1222089A (en) Electric discharge lamp
GB482625A (en) Improvements in metal vapour electric discharge lamps
GB1168460A (en) High pressure electric discharge device
GB1222834A (en) Photochemical wavelength-emitting lamps
GB1211176A (en) High-pressure sodium vapor lamp
US4237401A (en) Low-pressure mercury vapor discharge lamp
GB802877A (en) Improvements in low pressure discharge lamps
JPH0471155A (ja) けい光ランプおよびこれを用いた照明装置ならびに液晶表示装置
US1803175A (en) Electric-arc device
US3379302A (en) Sodium-vapor discharge lamp having an envelope with a porous inner wall
GB615851A (en) Improvements in and relating to electric discharge lamps
ES298181A1 (es) Mejoras introducidas en la fabricaciën de lamparas de descarga de vapor de mercurio
GB1019845A (en) High intensity atomic spectral lamps
GB669033A (en) Improvements in electric discharge lamps having a gas filling
GB1056904A (en) High pressure discharge lamps
JPS55143768A (en) Metal vapor discharge lamp and its manufacture
Babeliowsky Heat of Sublimation of CaO
JPH06333535A (ja) 窒化ホウ素膜をコーティングした金属蒸気放電灯
GB990629A (en) Improvements in and relating to a method of producing luminescent materials
Barrow A note on high-temperature positive-column discharge tubes