GB1572657A - Lowpressure mercury vapour discharge lamp - Google Patents

Lowpressure mercury vapour discharge lamp Download PDF

Info

Publication number
GB1572657A
GB1572657A GB8530/77A GB853077A GB1572657A GB 1572657 A GB1572657 A GB 1572657A GB 8530/77 A GB8530/77 A GB 8530/77A GB 853077 A GB853077 A GB 853077A GB 1572657 A GB1572657 A GB 1572657A
Authority
GB
United Kingdom
Prior art keywords
mercury
amalgam
bismuth
tin
lead
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
GB8530/77A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1572657A publication Critical patent/GB1572657A/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

Landscapes

  • Discharge Lamp (AREA)
GB8530/77A 1976-03-04 1977-03-01 Lowpressure mercury vapour discharge lamp Expired GB1572657A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7602232,A NL177163C (nl) 1976-03-04 1976-03-04 Lagedrukkwikdampontladingslamp.

Publications (1)

Publication Number Publication Date
GB1572657A true GB1572657A (en) 1980-07-30

Family

ID=19825737

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8530/77A Expired GB1572657A (en) 1976-03-04 1977-03-01 Lowpressure mercury vapour discharge lamp

Country Status (12)

Country Link
US (1) US4093889A ( )
JP (1) JPS52107178A ( )
AT (1) AT354563B ( )
AU (1) AU499993B2 ( )
BE (1) BE852008A ( )
CA (1) CA1067561A ( )
DE (1) DE2707295C3 ( )
ES (1) ES456452A1 ( )
FR (1) FR2343329A1 ( )
GB (1) GB1572657A ( )
HU (1) HU178322B ( )
NL (1) NL177163C ( )

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4528209A (en) * 1978-10-25 1985-07-09 General Electric Company Use of amalgams in solenoidal electric field lamps
GB2069228B (en) * 1979-01-02 1983-02-23 Gen Electric Stabilised high intensity discharge lamp
NL185639C (nl) * 1980-10-29 1990-06-01 Philips Nv Lagedrukkwikdampontladingslamp.
NL8301032A (nl) * 1983-03-23 1984-10-16 Philips Nv Elektrodenloze ontladingslamp.
NL8400756A (nl) * 1984-03-09 1985-10-01 Philips Nv Lagedrukkwikdampontladingslamp.
JPS6154748U ( ) * 1984-09-13 1986-04-12
JPH01197959A (ja) * 1988-02-02 1989-08-09 Toshiba Corp 低圧水銀蒸気放電灯用アマルガムおよびこのアマルガムを用いた低圧水銀蒸気放電灯
US5204584A (en) * 1990-09-28 1993-04-20 Toshiba Lighting & Technology Corporation Low pressure mercury vapor discharge lamp
US5294867A (en) * 1992-03-13 1994-03-15 Gte Products Corporation Low pressure mercury vapor discharge lamp containing an amalgam
US5598069A (en) * 1993-09-30 1997-01-28 Diablo Research Corporation Amalgam system for electrodeless discharge lamp
DE69507696T2 (de) * 1994-12-20 1999-09-09 Koninkl Philips Electronics Nv Niederdruckquecksilberdampfentladungslampe
DE19512129A1 (de) * 1995-03-31 1996-10-02 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Niederdruckquecksilberdampfentladungslampe
GB9520367D0 (en) * 1995-10-05 1995-12-06 Gen Electric Fluorescent lamps
US5698943A (en) * 1996-03-22 1997-12-16 Osram Sylvania Inc. Starting flag for use in mercury discharge lamp and lamp employing same
TW548681B (en) 1999-02-24 2003-08-21 Koninkl Philips Electronics Nv Low-pressure mercury vapor discharge lamp
TW494439B (en) * 2000-03-21 2002-07-11 Koninkl Philips Electronics Nv Low-pressure mercury-vapor discharge lamp and amalgam
US7279840B2 (en) * 2004-11-17 2007-10-09 Matsushita Electric Works Ltd. Electrodeless fluorescent lamp with controlled cold spot temperature
JP6270527B2 (ja) * 2014-02-20 2018-01-31 戸田建設株式会社 洋上風力発電設備の施工方法
JP6853423B2 (ja) 2019-04-01 2021-03-31 ヌヴォトンテクノロジージャパン株式会社 抵抗素子及び電力増幅回路

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1176955A (en) * 1967-07-17 1970-01-07 Gen Electric & English Elect Improvements in or relating to Low Pressure Mercury Vapour Fluorescent Electric Discharge Lamps and their Manufacture
US3521110A (en) * 1967-09-25 1970-07-21 Gen Electric Mercury-metallic halide vapor lamp with regenerative cycle
SU308689A1 ( ) * 1970-05-25 1973-10-26
SU308671A1 ( ) * 1970-05-25 1973-10-26 Ю. И. Шиндельмап , Г. И. Акулова

Also Published As

Publication number Publication date
DE2707295A1 (de) 1977-09-08
DE2707295C3 (de) 1979-11-29
AU499993B2 (en) 1979-05-10
JPS52107178A (en) 1977-09-08
CA1067561A (en) 1979-12-04
ATA135077A (de) 1979-06-15
AU2274077A (en) 1978-09-07
NL7602232A (nl) 1977-09-06
JPS577463B2 ( ) 1982-02-10
US4093889A (en) 1978-06-06
BE852008A (fr) 1977-09-02
FR2343329B1 ( ) 1982-04-16
AT354563B (de) 1979-01-10
ES456452A1 (es) 1978-02-16
NL177163C (nl) 1985-08-01
DE2707295B2 (de) 1979-04-05
HU178322B (en) 1982-04-28
FR2343329A1 (fr) 1977-09-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960301