CH508274A - Low-pressure mercury vapor discharge lamp with amalgam - Google Patents

Low-pressure mercury vapor discharge lamp with amalgam

Info

Publication number
CH508274A
CH508274A CH903570A CH903570A CH508274A CH 508274 A CH508274 A CH 508274A CH 903570 A CH903570 A CH 903570A CH 903570 A CH903570 A CH 903570A CH 508274 A CH508274 A CH 508274A
Authority
CH
Switzerland
Prior art keywords
amalgam
low
discharge lamp
pressure mercury
mercury vapor
Prior art date
Application number
CH903570A
Other languages
German (de)
Inventor
Dieter Dr Hofmann
Bernhard Dr Kuehl
Rasch Erhard
Original Assignee
Patent Treuhand Ges 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 Ges Fuer Elektrische Gluehlampen Mbh filed Critical Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh
Publication of CH508274A publication Critical patent/CH508274A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
CH903570A 1969-07-25 1970-06-15 Low-pressure mercury vapor discharge lamp with amalgam CH508274A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1937938A DE1937938C3 (en) 1969-07-25 1969-07-25 Mercury vapor low pressure discharge lamp with major and minor amalgam

Publications (1)

Publication Number Publication Date
CH508274A true CH508274A (en) 1971-05-31

Family

ID=5740925

Family Applications (1)

Application Number Title Priority Date Filing Date
CH903570A CH508274A (en) 1969-07-25 1970-06-15 Low-pressure mercury vapor discharge lamp with amalgam

Country Status (8)

Country Link
US (1) US3629641A (en)
AT (1) AT300956B (en)
BE (1) BE753899A (en)
CH (1) CH508274A (en)
DE (1) DE1937938C3 (en)
FR (1) FR2055635A5 (en)
GB (1) GB1319105A (en)
SE (1) SE376683B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898720A (en) * 1972-09-28 1975-08-12 Westinghouse Electric Corp Method of providing a fluorescent lamp stem with an integral mercury-vapor pressure regulating means
DE2330391A1 (en) * 1973-06-14 1975-01-09 Patra Patent Treuhand LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP WITH AMALGAM
DE2339056A1 (en) * 1973-08-01 1975-02-13 Patra Patent Treuhand LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP WITH AMALGAM
DE2510379A1 (en) * 1975-03-10 1976-09-30 Patra Patent Treuhand LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP WITH AMALGAM
US4015162A (en) * 1975-07-07 1977-03-29 Westinghouse Electric Corporation Fluorescent lamp having implanted amalgamative metal for mercury vapor regulation
US4105910A (en) * 1976-04-23 1978-08-08 Westinghouse Electric Corp. Fluorescent lamp with an integral fail-safe and auxiliary-amalgam component
US4528209A (en) * 1978-10-25 1985-07-09 General Electric Company Use of amalgams in solenoidal electric field lamps
US4698549A (en) * 1984-07-02 1987-10-06 General Electric Company D.C. lamp discharge gas pumping control
US5095336A (en) * 1990-11-08 1992-03-10 Xerox Corporation Temperature control of a fluorescent lamp having a central and two end amalgam patches
US5237240A (en) * 1991-12-04 1993-08-17 Gte Products Corporation Mercury vapor discharge lamp containing device for heating amalgam-forming material
TW344018B (en) * 1994-07-15 1998-11-01 Philips Electronics Nv Low-pressure mercury vapor discharge lamp
GB9521375D0 (en) * 1995-10-18 1995-12-20 Gen Electric Electrodeless fluorescent lamp
GB9521373D0 (en) * 1995-10-18 1995-12-20 Gen Electric Electrodeless fluorescent lamp
EP1004138B1 (en) * 1998-05-22 2004-10-27 Koninklijke Philips Electronics N.V. Low-pressure mercury vapor discharge lamp
CN1327614A (en) * 1999-08-19 2001-12-19 皇家菲利浦电子有限公司 Low pressure mercury vapor dicharge lamp
WO2002080224A2 (en) * 2001-03-29 2002-10-10 Koninklijke Philips Electronics N.V. Low/pressure mercury vapor discharge lamp
DE102020203417A1 (en) * 2020-03-17 2021-09-23 Heraeus Noblelight Gmbh Low pressure mercury vapor discharge lamp and lamp system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1140286B (en) * 1961-04-07 1962-11-29 Patra Patent Treuhand Mercury low-pressure discharge lamp with increased electrical and / or thermal load capacity, in particular fluorescent lamp
US3392298A (en) * 1962-08-31 1968-07-09 Sylvania Electric Prod Fluorescent lamp using an indiummercury amalgam band for pressure control
US3227907A (en) * 1962-12-31 1966-01-04 Sylvania Electric Prod Electric discharge lamp with integral pressure regulator

Also Published As

Publication number Publication date
DE1937938C3 (en) 1980-10-09
GB1319105A (en) 1973-06-06
DE1937938B2 (en) 1980-01-31
BE753899A (en) 1970-12-31
SE376683B (en) 1975-06-02
DE1937938A1 (en) 1971-02-04
US3629641A (en) 1971-12-21
FR2055635A5 (en) 1971-05-07
AT300956B (en) 1972-07-15

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Legal Events

Date Code Title Description
PL Patent ceased