GB2142774B - Fluorescent light source for non-dispersive gas-analysis apparatus - Google Patents

Fluorescent light source for non-dispersive gas-analysis apparatus

Info

Publication number
GB2142774B
GB2142774B GB08411442A GB8411442A GB2142774B GB 2142774 B GB2142774 B GB 2142774B GB 08411442 A GB08411442 A GB 08411442A GB 8411442 A GB8411442 A GB 8411442A GB 2142774 B GB2142774 B GB 2142774B
Authority
GB
United Kingdom
Prior art keywords
light source
fluorescent light
analysis apparatus
dispersive gas
dispersive
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
GB08411442A
Other versions
GB2142774A (en
GB8411442D0 (en
Inventor
Gerhard Wiegleb
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.)
Balzers und Leybold Deutschland Holding AG
Original Assignee
Leybold Heraeus GmbH
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 Leybold Heraeus GmbH filed Critical Leybold Heraeus GmbH
Publication of GB8411442D0 publication Critical patent/GB8411442D0/en
Publication of GB2142774A publication Critical patent/GB2142774A/en
Application granted granted Critical
Publication of GB2142774B publication Critical patent/GB2142774B/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
    • H01J61/70—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H01J61/42—Devices for influencing the colour or wavelength of the light by transforming the wavelength of the light by luminescence
    • H01J61/44—Devices characterised by the luminescent material
GB08411442A 1983-05-07 1984-05-04 Fluorescent light source for non-dispersive gas-analysis apparatus Expired GB2142774B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833316771 DE3316771A1 (en) 1983-05-07 1983-05-07 LIGHT SOURCE FOR NON-DISPERSIVE GAS ANALYZERS AS A FLUORESCENT LAMP

Publications (3)

Publication Number Publication Date
GB8411442D0 GB8411442D0 (en) 1984-06-13
GB2142774A GB2142774A (en) 1985-01-23
GB2142774B true GB2142774B (en) 1987-01-07

Family

ID=6198443

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08411442A Expired GB2142774B (en) 1983-05-07 1984-05-04 Fluorescent light source for non-dispersive gas-analysis apparatus

Country Status (4)

Country Link
JP (1) JPS6035225A (en)
DE (1) DE3316771A1 (en)
FR (1) FR2545652B1 (en)
GB (1) GB2142774B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19923264A1 (en) 1999-05-20 2001-01-18 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Lighting device
DE102006048934A1 (en) * 2006-10-17 2008-05-08 Schott Ag System, useful e.g. for backlighting of displays and/or screens, and in LCD, computer monitors, phone screens, comprises an illuminating means with a glass envelope having an interior wall and a fluorescent layer

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1074879B (en) * 1960-02-04 Badische Anilin &. Soda Fabrik Aktiengesellschaft Ludwigshafen/Rhem Process for determining the chlorine content of air or other gases
BE505024A (en) *
CH218511A (en) * 1941-02-26 1941-12-15 Boegli & Kuhn Light tube provided with fluorescent material.
GB645335A (en) * 1946-01-11 1950-11-01 Sylvania Electric Prod Improvements in fluorescent lamps
US3275872A (en) * 1963-07-12 1966-09-27 Gen Electric Reflector fluorescent lamp
JPS5032757B1 (en) * 1970-04-22 1975-10-23
US3725701A (en) * 1971-10-26 1973-04-03 Andros Inc Fluorescent source non-dispersive infrared gas analyzer
SU515185A1 (en) * 1974-03-15 1976-05-25 Предприятие П/Я М-6002 Fluorescent lamp
JPS52100775A (en) * 1976-02-20 1977-08-24 Matsushita Electronics Corp Fluorescent lamp
JPS5515086A (en) * 1978-07-18 1980-02-01 Sanyo Electric Co Ltd Gas density measuring unit

Also Published As

Publication number Publication date
FR2545652B1 (en) 1992-11-13
FR2545652A1 (en) 1984-11-09
DE3316771A1 (en) 1984-11-08
GB2142774A (en) 1985-01-23
JPH0430535B2 (en) 1992-05-22
JPS6035225A (en) 1985-02-23
GB8411442D0 (en) 1984-06-13

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920504